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openai[minor]: implement langchain-openai package (#15503)

Browse Source 
Todo

- [x] copy over integration tests
- [x] update docs with new instructions in #15513 
- [x] add linear ticket to bump core -> community, community->langchain,
and core->openai deps
- [ ] (optional): add `pip install langchain-openai` command to each
notebook using it
- [x] Update docstrings to not need `openai` install
- [x] Add serialization
- [x] deprecate old models

Contributor steps:

- [x] Add secret names to manual integrations workflow in
.github/workflows/_integration_test.yml
- [x] Add secrets to release workflow (for pre-release testing) in
.github/workflows/_release.yml

Maintainer steps (Contributors should not do these):

- [x] set up pypi and test pypi projects
- [x] add credential secrets to Github Actions
- [ ] add package to conda-forge


Functional changes to existing classes:

- now relies on openai client v1 (1.6.1) via concrete dep in
langchain-openai package

Codebase organization

- some function calling stuff moved to
`langchain_core.utils.function_calling` in order to be used in both
community and langchain-openai
This commit is contained in:
Erick Friis 2024-01-05 15:03:28 -08:00 committed by GitHub
parent a7d023aaf0
commit ebc75c5ca7
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GPG Key ID: 4AEE18F83AFDEB23
64 changed files with 5997 additions and 387 deletions
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1
.github/workflows/_integration_test.yml vendored
View File

@ -44,6 +44,7 @@ jobs:
ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }} ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
MISTRAL_API_KEY: ${{ secrets.MISTRAL_API_KEY }} MISTRAL_API_KEY: ${{ secrets.MISTRAL_API_KEY }}
TOGETHER_API_KEY: ${{ secrets.TOGETHER_API_KEY }} TOGETHER_API_KEY: ${{ secrets.TOGETHER_API_KEY }}
OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
run: | run: |
make integration_tests make integration_tests

1
.github/workflows/_release.yml vendored
View File

@ -156,6 +156,7 @@ jobs:
ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }} ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
MISTRAL_API_KEY: ${{ secrets.MISTRAL_API_KEY }} MISTRAL_API_KEY: ${{ secrets.MISTRAL_API_KEY }}
TOGETHER_API_KEY: ${{ secrets.TOGETHER_API_KEY }} TOGETHER_API_KEY: ${{ secrets.TOGETHER_API_KEY }}
OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
run: make integration_tests run: make integration_tests
working-directory: ${{ inputs.working-directory }} working-directory: ${{ inputs.working-directory }}

4
libs/community/langchain_community/chat_models/azure_openai.py
View File

@ -6,6 +6,7 @@ import os
import warnings import warnings
from typing import Any, Callable, Dict, List, Union from typing import Any, Callable, Dict, List, Union
from langchain_core._api.deprecation import deprecated
from langchain_core.outputs import ChatResult from langchain_core.outputs import ChatResult
from langchain_core.pydantic_v1 import BaseModel, Field, root_validator from langchain_core.pydantic_v1 import BaseModel, Field, root_validator
from langchain_core.utils import get_from_dict_or_env from langchain_core.utils import get_from_dict_or_env
@ -16,6 +17,9 @@ from langchain_community.utils.openai import is_openai_v1
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
@deprecated(
since="0.1.0", removal="0.2.0", alternative="langchain_openai.AzureChatOpenAI"
)
class AzureChatOpenAI(ChatOpenAI): class AzureChatOpenAI(ChatOpenAI):
"""`Azure OpenAI` Chat Completion API. """`Azure OpenAI` Chat Completion API.

2
libs/community/langchain_community/chat_models/openai.py
View File

@ -20,6 +20,7 @@ from typing import (
Union, Union,
) )
from langchain_core._api.deprecation import deprecated
from langchain_core.callbacks import ( from langchain_core.callbacks import (
AsyncCallbackManagerForLLMRun, AsyncCallbackManagerForLLMRun,
CallbackManagerForLLMRun, CallbackManagerForLLMRun,
@ -143,6 +144,7 @@ def _convert_delta_to_message_chunk(
return default_class(content=content) return default_class(content=content)
@deprecated(since="0.1.0", removal="0.2.0", alternative="langchain_openai.ChatOpenAI")
class ChatOpenAI(BaseChatModel): class ChatOpenAI(BaseChatModel):
"""`OpenAI` Chat large language models API. """`OpenAI` Chat large language models API.

4
libs/community/langchain_community/embeddings/azure_openai.py
View File

@ -5,6 +5,7 @@ import os
import warnings import warnings
from typing import Callable, Dict, Optional, Union from typing import Callable, Dict, Optional, Union
from langchain_core._api.deprecation import deprecated
from langchain_core.pydantic_v1 import Field, root_validator from langchain_core.pydantic_v1 import Field, root_validator
from langchain_core.utils import get_from_dict_or_env from langchain_core.utils import get_from_dict_or_env
@ -12,6 +13,9 @@ from langchain_community.embeddings.openai import OpenAIEmbeddings
from langchain_community.utils.openai import is_openai_v1 from langchain_community.utils.openai import is_openai_v1
@deprecated(
since="0.1.0", removal="0.2.0", alternative="langchain_openai.AzureOpenAIEmbeddings"
)
class AzureOpenAIEmbeddings(OpenAIEmbeddings): class AzureOpenAIEmbeddings(OpenAIEmbeddings):
"""`Azure OpenAI` Embeddings API.""" """`Azure OpenAI` Embeddings API."""

6
libs/community/langchain_community/embeddings/openai.py
View File

@ -19,6 +19,7 @@ from typing import (
) )
import numpy as np import numpy as np
from langchain_core._api.deprecation import deprecated
from langchain_core.embeddings import Embeddings from langchain_core.embeddings import Embeddings
from langchain_core.pydantic_v1 import BaseModel, Extra, Field, root_validator from langchain_core.pydantic_v1 import BaseModel, Extra, Field, root_validator
from langchain_core.utils import get_from_dict_or_env, get_pydantic_field_names from langchain_core.utils import get_from_dict_or_env, get_pydantic_field_names
@ -137,6 +138,11 @@ async def async_embed_with_retry(embeddings: OpenAIEmbeddings, **kwargs: Any) ->
return await _async_embed_with_retry(**kwargs) return await _async_embed_with_retry(**kwargs)
@deprecated(
since="0.1.0",
removal="0.2.0",
alternative="langchain_openai.OpenAIEmbeddings",
)
class OpenAIEmbeddings(BaseModel, Embeddings): class OpenAIEmbeddings(BaseModel, Embeddings):
"""OpenAI embedding models. """OpenAI embedding models.

4
libs/community/langchain_community/llms/openai.py
View File

@ -21,6 +21,7 @@ from typing import (
Union, Union,
) )
from langchain_core._api.deprecation import deprecated
from langchain_core.callbacks import ( from langchain_core.callbacks import (
AsyncCallbackManagerForLLMRun, AsyncCallbackManagerForLLMRun,
CallbackManagerForLLMRun, CallbackManagerForLLMRun,
@ -724,6 +725,7 @@ class BaseOpenAI(BaseLLM):
return self.max_context_size - num_tokens return self.max_context_size - num_tokens
@deprecated(since="0.1.0", removal="0.2.0", alternative="langchain_openai.OpenAI")
class OpenAI(BaseOpenAI): class OpenAI(BaseOpenAI):
"""OpenAI large language models. """OpenAI large language models.
@ -750,6 +752,7 @@ class OpenAI(BaseOpenAI):
return {**{"model": self.model_name}, **super()._invocation_params} return {**{"model": self.model_name}, **super()._invocation_params}
@deprecated(since="0.1.0", removal="0.2.0", alternative="langchain_openai.AzureOpenAI")
class AzureOpenAI(BaseOpenAI): class AzureOpenAI(BaseOpenAI):
"""Azure-specific OpenAI large language models. """Azure-specific OpenAI large language models.
@ -953,6 +956,7 @@ class AzureOpenAI(BaseOpenAI):
} }
@deprecated(since="0.1.0", removal="0.2.0", alternative="langchain_openai.ChatOpenAI")
class OpenAIChat(BaseLLM): class OpenAIChat(BaseLLM):
"""OpenAI Chat large language models. """OpenAI Chat large language models.

62
libs/community/langchain_community/utils/openai_functions.py
View File

@ -1,51 +1,15 @@
from typing import Literal, Optional, Type, TypedDict # these stubs are just for backwards compatibility
from langchain_core.pydantic_v1 import BaseModel from langchain_core.utils.function_calling import (
from langchain_core.utils.json_schema import dereference_refs FunctionDescription,
ToolDescription,
convert_pydantic_to_openai_function,
convert_pydantic_to_openai_tool,
)
__all__ = [
class FunctionDescription(TypedDict): "FunctionDescription",
"""Representation of a callable function to the OpenAI API.""" "ToolDescription",
"convert_pydantic_to_openai_function",
name: str "convert_pydantic_to_openai_tool",
"""The name of the function.""" ]
description: str
"""A description of the function."""
parameters: dict
"""The parameters of the function."""
class ToolDescription(TypedDict):
"""Representation of a callable function to the OpenAI API."""
type: Literal["function"]
function: FunctionDescription
def convert_pydantic_to_openai_function(
model: Type[BaseModel],
*,
name: Optional[str] = None,
description: Optional[str] = None,
) -> FunctionDescription:
"""Converts a Pydantic model to a function description for the OpenAI API."""
schema = dereference_refs(model.schema())
schema.pop("definitions", None)
return {
"name": name or schema["title"],
"description": description or schema["description"],
"parameters": schema,
}
def convert_pydantic_to_openai_tool(
model: Type[BaseModel],
*,
name: Optional[str] = None,
description: Optional[str] = None,
) -> ToolDescription:
"""Converts a Pydantic model to a function description for the OpenAI API."""
function = convert_pydantic_to_openai_function(
model, name=name, description=description
)
return {"type": "function", "function": function}

34
libs/community/poetry.lock generated
View File

@ -1,4 +1,4 @@
# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand. # This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
[[package]] [[package]]
name = "aenum" name = "aenum"
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@ -3885,7 +3881,7 @@ files = [
[[package]] [[package]]
name = "langchain-core" name = "langchain-core"
version = "0.1.5" version = "0.1.6"
description = "Building applications with LLMs through composability" description = "Building applications with LLMs through composability"
optional = false optional = false
python-versions = ">=3.8.1,<4.0" python-versions = ">=3.8.1,<4.0"
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{file = "SQLAlchemy-2.0.23-cp310-cp310-win32.whl", hash = "sha256:cabafc7837b6cec61c0e1e5c6d14ef250b675fa9c3060ed8a7e38653bd732ff8"}, {file = "SQLAlchemy-2.0.23-cp310-cp310-win32.whl", hash = "sha256:cabafc7837b6cec61c0e1e5c6d14ef250b675fa9c3060ed8a7e38653bd732ff8"},
{file = "SQLAlchemy-2.0.23-cp310-cp310-win_amd64.whl", hash = "sha256:87a3d6b53c39cd173990de2f5f4b83431d534a74f0e2f88bd16eabb5667e65c6"}, {file = "SQLAlchemy-2.0.23-cp310-cp310-win_amd64.whl", hash = "sha256:87a3d6b53c39cd173990de2f5f4b83431d534a74f0e2f88bd16eabb5667e65c6"},
@ -7753,9 +7727,7 @@ files = [
{file = "SQLAlchemy-2.0.23-cp38-cp38-win_amd64.whl", hash = "sha256:964971b52daab357d2c0875825e36584d58f536e920f2968df8d581054eada4b"}, {file = "SQLAlchemy-2.0.23-cp38-cp38-win_amd64.whl", hash = "sha256:964971b52daab357d2c0875825e36584d58f536e920f2968df8d581054eada4b"},
{file = "SQLAlchemy-2.0.23-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:616fe7bcff0a05098f64b4478b78ec2dfa03225c23734d83d6c169eb41a93e55"}, {file = "SQLAlchemy-2.0.23-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:616fe7bcff0a05098f64b4478b78ec2dfa03225c23734d83d6c169eb41a93e55"},
{file = "SQLAlchemy-2.0.23-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:0e680527245895aba86afbd5bef6c316831c02aa988d1aad83c47ffe92655e74"}, {file = "SQLAlchemy-2.0.23-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:0e680527245895aba86afbd5bef6c316831c02aa988d1aad83c47ffe92655e74"},
{file = "SQLAlchemy-2.0.23-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:9585b646ffb048c0250acc7dad92536591ffe35dba624bb8fd9b471e25212a35"},
{file = "SQLAlchemy-2.0.23-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:4895a63e2c271ffc7a81ea424b94060f7b3b03b4ea0cd58ab5bb676ed02f4221"}, {file = "SQLAlchemy-2.0.23-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:4895a63e2c271ffc7a81ea424b94060f7b3b03b4ea0cd58ab5bb676ed02f4221"},
{file = "SQLAlchemy-2.0.23-cp39-cp39-musllinux_1_1_aarch64.whl", hash = "sha256:cc1d21576f958c42d9aec68eba5c1a7d715e5fc07825a629015fe8e3b0657fb0"},
{file = "SQLAlchemy-2.0.23-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:967c0b71156f793e6662dd839da54f884631755275ed71f1539c95bbada9aaab"}, {file = "SQLAlchemy-2.0.23-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:967c0b71156f793e6662dd839da54f884631755275ed71f1539c95bbada9aaab"},
{file = "SQLAlchemy-2.0.23-cp39-cp39-win32.whl", hash = "sha256:0a8c6aa506893e25a04233bc721c6b6cf844bafd7250535abb56cb6cc1368884"}, {file = "SQLAlchemy-2.0.23-cp39-cp39-win32.whl", hash = "sha256:0a8c6aa506893e25a04233bc721c6b6cf844bafd7250535abb56cb6cc1368884"},
{file = "SQLAlchemy-2.0.23-cp39-cp39-win_amd64.whl", hash = "sha256:f3420d00d2cb42432c1d0e44540ae83185ccbbc67a6054dcc8ab5387add6620b"}, {file = "SQLAlchemy-2.0.23-cp39-cp39-win_amd64.whl", hash = "sha256:f3420d00d2cb42432c1d0e44540ae83185ccbbc67a6054dcc8ab5387add6620b"},
@ -9172,4 +9144,4 @@ extended-testing = ["aiosqlite", "aleph-alpha-client", "anthropic", "arxiv", "as
[metadata] [metadata]
lock-version = "2.0" lock-version = "2.0"
python-versions = ">=3.8.1,<4.0" python-versions = ">=3.8.1,<4.0"
content-hash = "bccc7bda518d01eb91a86397c0b22b83db9d57ee45c2bca4e46fc8b22ddb6a17" content-hash = "211766fff312525865b6b28225f61b70b18a0fcda9a3212ea8de7ef4f327c51a"

2
libs/community/pyproject.toml
View File

@ -141,7 +141,7 @@ wrapt = "^1.15.0"
openai = "^1" openai = "^1"
python-dotenv = "^1.0.0" python-dotenv = "^1.0.0"
cassio = "^0.1.0" cassio = "^0.1.0"
tiktoken = "^0.3.2" tiktoken = ">=0.3.2,<0.6.0"
anthropic = "^0.3.11" anthropic = "^0.3.11"
langchain-core = { path = "../core", develop = true } langchain-core = { path = "../core", develop = true }
fireworks-ai = "^0.9.0" fireworks-ai = "^0.9.0"

31
libs/community/tests/integration_tests/llms/test_openai.py
View File

@ -22,37 +22,6 @@ def test_openai_call() -> None:
assert isinstance(output, str) assert isinstance(output, str)
def test_openai_model_param() -> None:
llm = OpenAI(model="foo")
assert llm.model_name == "foo"
llm = OpenAI(model_name="foo")
assert llm.model_name == "foo"
def test_openai_extra_kwargs() -> None:
"""Test extra kwargs to openai."""
# Check that foo is saved in extra_kwargs.
llm = OpenAI(foo=3, max_tokens=10)
assert llm.max_tokens == 10
assert llm.model_kwargs == {"foo": 3}
# Test that if extra_kwargs are provided, they are added to it.
llm = OpenAI(foo=3, model_kwargs={"bar": 2})
assert llm.model_kwargs == {"foo": 3, "bar": 2}
# Test that if provided twice it errors
with pytest.raises(ValueError):
OpenAI(foo=3, model_kwargs={"foo": 2})
# Test that if explicit param is specified in kwargs it errors
with pytest.raises(ValueError):
OpenAI(model_kwargs={"temperature": 0.2})
# Test that "model" cannot be specified in kwargs
with pytest.raises(ValueError):
OpenAI(model_kwargs={"model": "gpt-3.5-turbo-instruct"})
def test_openai_llm_output_contains_model_name() -> None: def test_openai_llm_output_contains_model_name() -> None:
"""Test llm_output contains model_name.""" """Test llm_output contains model_name."""
llm = OpenAI(max_tokens=10) llm = OpenAI(max_tokens=10)

4
libs/community/tests/unit_tests/llms/test_openai.py
View File

@ -34,6 +34,10 @@ def test_openai_invalid_model_kwargs() -> None:
with pytest.raises(ValueError): with pytest.raises(ValueError):
OpenAI(model_kwargs={"model_name": "foo"}) OpenAI(model_kwargs={"model_name": "foo"})
# Test that "model" cannot be specified in kwargs
with pytest.raises(ValueError):
OpenAI(model_kwargs={"model": "gpt-3.5-turbo-instruct"})
@pytest.mark.requires("openai") @pytest.mark.requires("openai")
def test_openai_incorrect_field() -> None: def test_openai_incorrect_field() -> None:

16
libs/core/langchain_core/load/mapping.py
View File

@ -90,9 +90,9 @@ SERIALIZABLE_MAPPING = {
"MessagesPlaceholder", "MessagesPlaceholder",
), ),
("langchain", "llms", "openai", "OpenAI"): ( ("langchain", "llms", "openai", "OpenAI"): (
"langchain", "langchain_openai",
"llms", "llms",
"openai", "base",
"OpenAI", "OpenAI",
), ),
("langchain", "prompts", "chat", "ChatPromptTemplate"): ( ("langchain", "prompts", "chat", "ChatPromptTemplate"): (
@ -203,9 +203,9 @@ SERIALIZABLE_MAPPING = {
"StrOutputParser", "StrOutputParser",
), ),
("langchain", "chat_models", "openai", "ChatOpenAI"): ( ("langchain", "chat_models", "openai", "ChatOpenAI"): (
"langchain", "langchain_openai",
"chat_models", "chat_models",
"openai", "base",
"ChatOpenAI", "ChatOpenAI",
), ),
("langchain", "output_parsers", "list", "CommaSeparatedListOutputParser"): ( ("langchain", "output_parsers", "list", "CommaSeparatedListOutputParser"): (
@ -221,9 +221,9 @@ SERIALIZABLE_MAPPING = {
"RunnableParallel", "RunnableParallel",
), ),
("langchain", "chat_models", "azure_openai", "AzureChatOpenAI"): ( ("langchain", "chat_models", "azure_openai", "AzureChatOpenAI"): (
"langchain", "langchain_openai",
"chat_models", "chat_models",
"azure_openai", "azure",
"AzureChatOpenAI", "AzureChatOpenAI",
), ),
("langchain", "chat_models", "bedrock", "BedrockChat"): ( ("langchain", "chat_models", "bedrock", "BedrockChat"): (
@ -323,9 +323,9 @@ SERIALIZABLE_MAPPING = {
"GooglePalm", "GooglePalm",
), ),
("langchain", "llms", "openai", "AzureOpenAI"): ( ("langchain", "llms", "openai", "AzureOpenAI"): (
"langchain", "langchain_openai",
"llms", "llms",
"openai", "azure",
"AzureOpenAI", "AzureOpenAI",
), ),
("langchain", "llms", "replicate", "Replicate"): ( ("langchain", "llms", "replicate", "Replicate"): (

202
libs/core/langchain_core/utils/function_calling.py Normal file
View File

@ -0,0 +1,202 @@
"""Methods for creating function specs in the style of OpenAI Functions"""
import inspect
from typing import (
Any,
Callable,
Dict,
List,
Literal,
Optional,
Tuple,
Type,
Union,
cast,
)
from typing_extensions import TypedDict
from langchain_core.pydantic_v1 import BaseModel
from langchain_core.utils.json_schema import dereference_refs
PYTHON_TO_JSON_TYPES = {
"str": "string",
"int": "number",
"float": "number",
"bool": "boolean",
}
class FunctionDescription(TypedDict):
"""Representation of a callable function to the OpenAI API."""
name: str
"""The name of the function."""
description: str
"""A description of the function."""
parameters: dict
"""The parameters of the function."""
class ToolDescription(TypedDict):
"""Representation of a callable function to the OpenAI API."""
type: Literal["function"]
function: FunctionDescription
def convert_pydantic_to_openai_function(
model: Type[BaseModel],
*,
name: Optional[str] = None,
description: Optional[str] = None,
) -> FunctionDescription:
"""Converts a Pydantic model to a function description for the OpenAI API."""
schema = dereference_refs(model.schema())
schema.pop("definitions", None)
return {
"name": name or schema["title"],
"description": description or schema["description"],
"parameters": schema,
}
def convert_pydantic_to_openai_tool(
model: Type[BaseModel],
*,
name: Optional[str] = None,
description: Optional[str] = None,
) -> ToolDescription:
"""Converts a Pydantic model to a function description for the OpenAI API."""
function = convert_pydantic_to_openai_function(
model, name=name, description=description
)
return {"type": "function", "function": function}
def _get_python_function_name(function: Callable) -> str:
"""Get the name of a Python function."""
return function.__name__
def _parse_python_function_docstring(function: Callable) -> Tuple[str, dict]:
"""Parse the function and argument descriptions from the docstring of a function.
Assumes the function docstring follows Google Python style guide.
"""
docstring = inspect.getdoc(function)
if docstring:
docstring_blocks = docstring.split("\n\n")
descriptors = []
args_block = None
past_descriptors = False
for block in docstring_blocks:
if block.startswith("Args:"):
args_block = block
break
elif block.startswith("Returns:") or block.startswith("Example:"):
# Don't break in case Args come after
past_descriptors = True
elif not past_descriptors:
descriptors.append(block)
else:
continue
description = " ".join(descriptors)
else:
description = ""
args_block = None
arg_descriptions = {}
if args_block:
arg = None
for line in args_block.split("\n")[1:]:
if ":" in line:
arg, desc = line.split(":", maxsplit=1)
arg_descriptions[arg.strip()] = desc.strip()
elif arg:
arg_descriptions[arg.strip()] += " " + line.strip()
return description, arg_descriptions
def _get_python_function_arguments(function: Callable, arg_descriptions: dict) -> dict:
"""Get JsonSchema describing a Python functions arguments.
Assumes all function arguments are of primitive types (int, float, str, bool) or
are subclasses of pydantic.BaseModel.
"""
properties = {}
annotations = inspect.getfullargspec(function).annotations
for arg, arg_type in annotations.items():
if arg == "return":
continue
if isinstance(arg_type, type) and issubclass(arg_type, BaseModel):
# Mypy error:
# "type" has no attribute "schema"
properties[arg] = arg_type.schema() # type: ignore[attr-defined]
elif arg_type.__name__ in PYTHON_TO_JSON_TYPES:
properties[arg] = {"type": PYTHON_TO_JSON_TYPES[arg_type.__name__]}
if arg in arg_descriptions:
if arg not in properties:
properties[arg] = {}
properties[arg]["description"] = arg_descriptions[arg]
return properties
def _get_python_function_required_args(function: Callable) -> List[str]:
"""Get the required arguments for a Python function."""
spec = inspect.getfullargspec(function)
required = spec.args[: -len(spec.defaults)] if spec.defaults else spec.args
required += [k for k in spec.kwonlyargs if k not in (spec.kwonlydefaults or {})]
is_class = type(function) is type
if is_class and required[0] == "self":
required = required[1:]
return required
def convert_python_function_to_openai_function(
function: Callable,
) -> Dict[str, Any]:
"""Convert a Python function to an OpenAI function-calling API compatible dict.
Assumes the Python function has type hints and a docstring with a description. If
the docstring has Google Python style argument descriptions, these will be
included as well.
"""
description, arg_descriptions = _parse_python_function_docstring(function)
return {
"name": _get_python_function_name(function),
"description": description,
"parameters": {
"type": "object",
"properties": _get_python_function_arguments(function, arg_descriptions),
"required": _get_python_function_required_args(function),
},
}
def convert_to_openai_function(
function: Union[Dict[str, Any], Type[BaseModel], Callable],
) -> Dict[str, Any]:
"""Convert a raw function/class to an OpenAI function.
Args:
function: Either a dictionary, a pydantic.BaseModel class, or a Python function.
If a dictionary is passed in, it is assumed to already be a valid OpenAI
function.
Returns:
A dict version of the passed in function which is compatible with the
OpenAI function-calling API.
"""
if isinstance(function, dict):
return function
elif isinstance(function, type) and issubclass(function, BaseModel):
return cast(Dict, convert_pydantic_to_openai_function(function))
elif callable(function):
return convert_python_function_to_openai_function(function)
else:
raise ValueError(
f"Unsupported function type {type(function)}. Functions must be passed in"
f" as Dict, pydantic.BaseModel, or Callable."
)

155
libs/langchain/langchain/chains/openai_functions/base.py
View File

@ -1,16 +1,12 @@
"""Methods for creating chains that use OpenAI function-calling APIs.""" """Methods for creating chains that use OpenAI function-calling APIs."""
import inspect
from typing import ( from typing import (
Any, Any,
Callable, Callable,
Dict, Dict,
List,
Optional, Optional,
Sequence, Sequence,
Tuple,
Type, Type,
Union, Union,
cast,
) )
from langchain_core.output_parsers import ( from langchain_core.output_parsers import (
@ -21,6 +17,10 @@ from langchain_core.output_parsers import (
from langchain_core.prompts import BasePromptTemplate from langchain_core.prompts import BasePromptTemplate
from langchain_core.pydantic_v1 import BaseModel from langchain_core.pydantic_v1 import BaseModel
from langchain_core.runnables import Runnable from langchain_core.runnables import Runnable
from langchain_core.utils.function_calling import (
PYTHON_TO_JSON_TYPES,
convert_to_openai_function,
)
from langchain.base_language import BaseLanguageModel from langchain.base_language import BaseLanguageModel
from langchain.chains import LLMChain from langchain.chains import LLMChain
@ -29,142 +29,6 @@ from langchain.output_parsers.openai_functions import (
PydanticAttrOutputFunctionsParser, PydanticAttrOutputFunctionsParser,
PydanticOutputFunctionsParser, PydanticOutputFunctionsParser,
) )
from langchain.utils.openai_functions import convert_pydantic_to_openai_function
PYTHON_TO_JSON_TYPES = {
"str": "string",
"int": "number",
"float": "number",
"bool": "boolean",
}
def _get_python_function_name(function: Callable) -> str:
"""Get the name of a Python function."""
return function.__name__
def _parse_python_function_docstring(function: Callable) -> Tuple[str, dict]:
"""Parse the function and argument descriptions from the docstring of a function.
Assumes the function docstring follows Google Python style guide.
"""
docstring = inspect.getdoc(function)
if docstring:
docstring_blocks = docstring.split("\n\n")
descriptors = []
args_block = None
past_descriptors = False
for block in docstring_blocks:
if block.startswith("Args:"):
args_block = block
break
elif block.startswith("Returns:") or block.startswith("Example:"):
# Don't break in case Args come after
past_descriptors = True
elif not past_descriptors:
descriptors.append(block)
else:
continue
description = " ".join(descriptors)
else:
description = ""
args_block = None
arg_descriptions = {}
if args_block:
arg = None
for line in args_block.split("\n")[1:]:
if ":" in line:
arg, desc = line.split(":", maxsplit=1)
arg_descriptions[arg.strip()] = desc.strip()
elif arg:
arg_descriptions[arg.strip()] += " " + line.strip()
return description, arg_descriptions
def _get_python_function_arguments(function: Callable, arg_descriptions: dict) -> dict:
"""Get JsonSchema describing a Python functions arguments.
Assumes all function arguments are of primitive types (int, float, str, bool) or
are subclasses of pydantic.BaseModel.
"""
properties = {}
annotations = inspect.getfullargspec(function).annotations
for arg, arg_type in annotations.items():
if arg == "return":
continue
if isinstance(arg_type, type) and issubclass(arg_type, BaseModel):
# Mypy error:
# "type" has no attribute "schema"
properties[arg] = arg_type.schema() # type: ignore[attr-defined]
elif arg_type.__name__ in PYTHON_TO_JSON_TYPES:
properties[arg] = {"type": PYTHON_TO_JSON_TYPES[arg_type.__name__]}
if arg in arg_descriptions:
if arg not in properties:
properties[arg] = {}
properties[arg]["description"] = arg_descriptions[arg]
return properties
def _get_python_function_required_args(function: Callable) -> List[str]:
"""Get the required arguments for a Python function."""
spec = inspect.getfullargspec(function)
required = spec.args[: -len(spec.defaults)] if spec.defaults else spec.args
required += [k for k in spec.kwonlyargs if k not in (spec.kwonlydefaults or {})]
is_class = type(function) is type
if is_class and required[0] == "self":
required = required[1:]
return required
def convert_python_function_to_openai_function(
function: Callable,
) -> Dict[str, Any]:
"""Convert a Python function to an OpenAI function-calling API compatible dict.
Assumes the Python function has type hints and a docstring with a description. If
the docstring has Google Python style argument descriptions, these will be
included as well.
"""
description, arg_descriptions = _parse_python_function_docstring(function)
return {
"name": _get_python_function_name(function),
"description": description,
"parameters": {
"type": "object",
"properties": _get_python_function_arguments(function, arg_descriptions),
"required": _get_python_function_required_args(function),
},
}
def convert_to_openai_function(
function: Union[Dict[str, Any], Type[BaseModel], Callable],
) -> Dict[str, Any]:
"""Convert a raw function/class to an OpenAI function.
Args:
function: Either a dictionary, a pydantic.BaseModel class, or a Python function.
If a dictionary is passed in, it is assumed to already be a valid OpenAI
function.
Returns:
A dict version of the passed in function which is compatible with the
OpenAI function-calling API.
"""
if isinstance(function, dict):
return function
elif isinstance(function, type) and issubclass(function, BaseModel):
return cast(Dict, convert_pydantic_to_openai_function(function))
elif callable(function):
return convert_python_function_to_openai_function(function)
else:
raise ValueError(
f"Unsupported function type {type(function)}. Functions must be passed in"
f" as Dict, pydantic.BaseModel, or Callable."
)
def get_openai_output_parser( def get_openai_output_parser(
@ -557,3 +421,14 @@ def create_structured_output_chain(
output_parser=output_parser, output_parser=output_parser,
**kwargs, **kwargs,
) )
__all__ = [
"create_openai_fn_chain",
"create_openai_fn_runnable",
"create_structured_output_chain",
"create_structured_output_runnable",
"get_openai_output_parser",
"PYTHON_TO_JSON_TYPES",
"convert_to_openai_function",
]

182
libs/langchain/poetry.lock generated
View File

@ -1,4 +1,4 @@
# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand. # This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
[[package]] [[package]]
name = "aiodns" name = "aiodns"
@ -2358,7 +2358,7 @@ files = [
{file = "greenlet-3.0.0-cp311-cp311-musllinux_1_1_aarch64.whl", hash = "sha256:0b72b802496cccbd9b31acea72b6f87e7771ccfd7f7927437d592e5c92ed703c"}, {file = "greenlet-3.0.0-cp311-cp311-musllinux_1_1_aarch64.whl", hash = "sha256:0b72b802496cccbd9b31acea72b6f87e7771ccfd7f7927437d592e5c92ed703c"},
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] ]
[package.dependencies] [package.dependencies]
@ -9093,7 +9053,7 @@ cli = ["typer"]
cohere = ["cohere"] cohere = ["cohere"]
docarray = ["docarray"] docarray = ["docarray"]
embeddings = ["sentence-transformers"] embeddings = ["sentence-transformers"]
extended-testing = ["aiosqlite", "aleph-alpha-client", "anthropic", "arxiv", "assemblyai", "atlassian-python-api", "beautifulsoup4", "bibtexparser", "cassio", "chardet", "cohere", "couchbase", "dashvector", "databricks-vectorsearch", "datasets", "dgml-utils", "esprima", "faiss-cpu", "feedparser", "fireworks-ai", "geopandas", "gitpython", "google-cloud-documentai", "gql", "hologres-vector", "html2text", "javelin-sdk", "jinja2", "jq", "jsonschema", "lxml", "markdownify", "motor", "msal", "mwparserfromhell", "mwxml", "newspaper3k", "numexpr", "openai", "openai", "openapi-pydantic", "pandas", "pdfminer-six", "pgvector", "praw", "psychicapi", "py-trello", "pymupdf", "pypdf", "pypdfium2", "pyspark", "rank-bm25", "rapidfuzz", "rapidocr-onnxruntime", "requests-toolbelt", "rspace_client", "scikit-learn", "sqlite-vss", "streamlit", "sympy", "telethon", "timescale-vector", "tqdm", "upstash-redis", "xata", "xmltodict"] extended-testing = ["aiosqlite", "aleph-alpha-client", "anthropic", "arxiv", "assemblyai", "atlassian-python-api", "beautifulsoup4", "bibtexparser", "cassio", "chardet", "cohere", "couchbase", "dashvector", "databricks-vectorsearch", "datasets", "dgml-utils", "esprima", "faiss-cpu", "feedparser", "fireworks-ai", "geopandas", "gitpython", "google-cloud-documentai", "gql", "hologres-vector", "html2text", "javelin-sdk", "jinja2", "jq", "jsonschema", "langchain-openai", "lxml", "markdownify", "motor", "msal", "mwparserfromhell", "mwxml", "newspaper3k", "numexpr", "openai", "openai", "openapi-pydantic", "pandas", "pdfminer-six", "pgvector", "praw", "psychicapi", "py-trello", "pymupdf", "pypdf", "pypdfium2", "pyspark", "rank-bm25", "rapidfuzz", "rapidocr-onnxruntime", "requests-toolbelt", "rspace_client", "scikit-learn", "sqlite-vss", "streamlit", "sympy", "telethon", "timescale-vector", "tqdm", "upstash-redis", "xata", "xmltodict"]
javascript = ["esprima"] javascript = ["esprima"]
llms = ["clarifai", "cohere", "huggingface_hub", "manifest-ml", "nlpcloud", "openai", "openlm", "torch", "transformers"] llms = ["clarifai", "cohere", "huggingface_hub", "manifest-ml", "nlpcloud", "openai", "openlm", "torch", "transformers"]
openai = ["openai", "tiktoken"] openai = ["openai", "tiktoken"]
@ -9103,4 +9063,4 @@ text-helpers = ["chardet"]
[metadata] [metadata]
lock-version = "2.0" lock-version = "2.0"
python-versions = ">=3.8.1,<4.0" python-versions = ">=3.8.1,<4.0"
content-hash = "00dbfc7d9700a8ad488f42c4100abf615067e873bb6593b13a34738248606e83" content-hash = "aa9f54772221cb8f6faa71e643fab30fc72761366b65cde9fd408e424478d77a"

4
libs/langchain/pyproject.toml
View File

@ -110,6 +110,7 @@ databricks-vectorsearch = {version = "^0.21", optional = true}
couchbase = {version = "^4.1.9", optional = true} couchbase = {version = "^4.1.9", optional = true}
dgml-utils = {version = "^0.3.0", optional = true} dgml-utils = {version = "^0.3.0", optional = true}
datasets = {version = "^2.15.0", optional = true} datasets = {version = "^2.15.0", optional = true}
langchain-openai = {path = "../partners/openai", optional = true}
[tool.poetry.group.test] [tool.poetry.group.test]
optional = true optional = true
@ -164,7 +165,7 @@ wrapt = "^1.15.0"
openai = "^1" openai = "^1"
python-dotenv = "^1.0.0" python-dotenv = "^1.0.0"
cassio = "^0.1.0" cassio = "^0.1.0"
tiktoken = "^0.3.2" tiktoken = ">=0.3.2,<0.6.0"
anthropic = "^0.3.11" anthropic = "^0.3.11"
langchain-core = {path = "../core", develop = true} langchain-core = {path = "../core", develop = true}
langchain-community = {path = "../community", develop = true} langchain-community = {path = "../community", develop = true}
@ -294,6 +295,7 @@ extended_testing = [
"couchbase", "couchbase",
"dgml-utils", "dgml-utils",
"cohere", "cohere",
"langchain-openai",
] ]
[tool.ruff] [tool.ruff]

43
libs/langchain/tests/unit_tests/load/test_load.py
View File

@ -1,7 +1,7 @@
"""Test for Serializable base class""" """Test for Serializable base class"""
import pytest import pytest
from langchain_community.llms.openai import OpenAI from langchain_community.llms.openai import OpenAI as CommunityOpenAI
from langchain_core.load.dump import dumpd, dumps from langchain_core.load.dump import dumpd, dumps
from langchain_core.load.load import load, loads from langchain_core.load.load import load, loads
from langchain_core.prompts.prompt import PromptTemplate from langchain_core.prompts.prompt import PromptTemplate
@ -13,20 +13,25 @@ class NotSerializable:
pass pass
@pytest.mark.requires("openai") @pytest.mark.requires("openai", "langchain_openai")
def test_loads_openai_llm() -> None: def test_loads_openai_llm() -> None:
llm = OpenAI(model="davinci", temperature=0.5, openai_api_key="hello") from langchain_openai import OpenAI
llm = CommunityOpenAI(model="davinci", temperature=0.5, openai_api_key="hello")
llm_string = dumps(llm) llm_string = dumps(llm)
llm2 = loads(llm_string, secrets_map={"OPENAI_API_KEY": "hello"}) llm2 = loads(llm_string, secrets_map={"OPENAI_API_KEY": "hello"})
assert llm2 == llm assert llm2 == llm
assert dumps(llm2) == llm_string llm_string_2 = dumps(llm2)
assert llm_string_2 == llm_string
assert isinstance(llm2, OpenAI) assert isinstance(llm2, OpenAI)
@pytest.mark.requires("openai") @pytest.mark.requires("openai", "langchain_openai")
def test_loads_llmchain() -> None: def test_loads_llmchain() -> None:
llm = OpenAI(model="davinci", temperature=0.5, openai_api_key="hello") from langchain_openai import OpenAI
llm = CommunityOpenAI(model="davinci", temperature=0.5, openai_api_key="hello")
prompt = PromptTemplate.from_template("hello {name}!") prompt = PromptTemplate.from_template("hello {name}!")
chain = LLMChain(llm=llm, prompt=prompt) chain = LLMChain(llm=llm, prompt=prompt)
chain_string = dumps(chain) chain_string = dumps(chain)
@ -39,10 +44,12 @@ def test_loads_llmchain() -> None:
assert isinstance(chain2.prompt, PromptTemplate) assert isinstance(chain2.prompt, PromptTemplate)
@pytest.mark.requires("openai") @pytest.mark.requires("openai", "langchain_openai")
def test_loads_llmchain_env() -> None: def test_loads_llmchain_env() -> None:
import os import os
from langchain_openai import OpenAI
has_env = "OPENAI_API_KEY" in os.environ has_env = "OPENAI_API_KEY" in os.environ
if not has_env: if not has_env:
os.environ["OPENAI_API_KEY"] = "env_variable" os.environ["OPENAI_API_KEY"] = "env_variable"
@ -65,7 +72,7 @@ def test_loads_llmchain_env() -> None:
@pytest.mark.requires("openai") @pytest.mark.requires("openai")
def test_loads_llmchain_with_non_serializable_arg() -> None: def test_loads_llmchain_with_non_serializable_arg() -> None:
llm = OpenAI( llm = CommunityOpenAI(
model="davinci", model="davinci",
temperature=0.5, temperature=0.5,
openai_api_key="hello", openai_api_key="hello",
@ -78,9 +85,11 @@ def test_loads_llmchain_with_non_serializable_arg() -> None:
loads(chain_string, secrets_map={"OPENAI_API_KEY": "hello"}) loads(chain_string, secrets_map={"OPENAI_API_KEY": "hello"})
@pytest.mark.requires("openai") @pytest.mark.requires("openai", "langchain_openai")
def test_load_openai_llm() -> None: def test_load_openai_llm() -> None:
llm = OpenAI(model="davinci", temperature=0.5, openai_api_key="hello") from langchain_openai import OpenAI
llm = CommunityOpenAI(model="davinci", temperature=0.5, openai_api_key="hello")
llm_obj = dumpd(llm) llm_obj = dumpd(llm)
llm2 = load(llm_obj, secrets_map={"OPENAI_API_KEY": "hello"}) llm2 = load(llm_obj, secrets_map={"OPENAI_API_KEY": "hello"})
@ -89,9 +98,11 @@ def test_load_openai_llm() -> None:
assert isinstance(llm2, OpenAI) assert isinstance(llm2, OpenAI)
@pytest.mark.requires("openai") @pytest.mark.requires("openai", "langchain_openai")
def test_load_llmchain() -> None: def test_load_llmchain() -> None:
llm = OpenAI(model="davinci", temperature=0.5, openai_api_key="hello") from langchain_openai import OpenAI
llm = CommunityOpenAI(model="davinci", temperature=0.5, openai_api_key="hello")
prompt = PromptTemplate.from_template("hello {name}!") prompt = PromptTemplate.from_template("hello {name}!")
chain = LLMChain(llm=llm, prompt=prompt) chain = LLMChain(llm=llm, prompt=prompt)
chain_obj = dumpd(chain) chain_obj = dumpd(chain)
@ -104,15 +115,17 @@ def test_load_llmchain() -> None:
assert isinstance(chain2.prompt, PromptTemplate) assert isinstance(chain2.prompt, PromptTemplate)
@pytest.mark.requires("openai") @pytest.mark.requires("openai", "langchain_openai")
def test_load_llmchain_env() -> None: def test_load_llmchain_env() -> None:
import os import os
from langchain_openai import OpenAI
has_env = "OPENAI_API_KEY" in os.environ has_env = "OPENAI_API_KEY" in os.environ
if not has_env: if not has_env:
os.environ["OPENAI_API_KEY"] = "env_variable" os.environ["OPENAI_API_KEY"] = "env_variable"
llm = OpenAI(model="davinci", temperature=0.5) llm = CommunityOpenAI(model="davinci", temperature=0.5)
prompt = PromptTemplate.from_template("hello {name}!") prompt = PromptTemplate.from_template("hello {name}!")
chain = LLMChain(llm=llm, prompt=prompt) chain = LLMChain(llm=llm, prompt=prompt)
chain_obj = dumpd(chain) chain_obj = dumpd(chain)
@ -130,7 +143,7 @@ def test_load_llmchain_env() -> None:
@pytest.mark.requires("openai") @pytest.mark.requires("openai")
def test_load_llmchain_with_non_serializable_arg() -> None: def test_load_llmchain_with_non_serializable_arg() -> None:
llm = OpenAI( llm = CommunityOpenAI(
model="davinci", model="davinci",
temperature=0.5, temperature=0.5,
openai_api_key="hello", openai_api_key="hello",

1
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__pycache__

21
libs/partners/openai/LICENSE Normal file
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MIT License
Copyright (c) 2023 LangChain, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

59
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@ -0,0 +1,59 @@
.PHONY: all format lint test tests integration_tests docker_tests help extended_tests
# Default target executed when no arguments are given to make.
all: help
# Define a variable for the test file path.
TEST_FILE ?= tests/unit_tests/
test:
poetry run pytest $(TEST_FILE)
tests:
poetry run pytest $(TEST_FILE)
######################
# LINTING AND FORMATTING
######################
# Define a variable for Python and notebook files.
PYTHON_FILES=.
MYPY_CACHE=.mypy_cache
lint format: PYTHON_FILES=.
lint_diff format_diff: PYTHON_FILES=$(shell git diff --relative=libs/partners/openai --name-only --diff-filter=d master | grep -E '\.py$$|\.ipynb$$')
lint_package: PYTHON_FILES=langchain_openai
lint_tests: PYTHON_FILES=tests
lint_tests: MYPY_CACHE=.mypy_cache_test
lint lint_diff lint_package lint_tests:
poetry run ruff .
poetry run ruff format $(PYTHON_FILES) --diff
poetry run ruff --select I $(PYTHON_FILES)
mkdir $(MYPY_CACHE); poetry run mypy $(PYTHON_FILES) --cache-dir $(MYPY_CACHE)
format format_diff:
poetry run ruff format $(PYTHON_FILES)
poetry run ruff --select I --fix $(PYTHON_FILES)
spell_check:
poetry run codespell --toml pyproject.toml
spell_fix:
poetry run codespell --toml pyproject.toml -w
check_imports: $(shell find langchain_openai -name '*.py')
poetry run python ./scripts/check_imports.py $^
######################
# HELP
######################
help:
@echo '----'
@echo 'check_imports - check imports'
@echo 'format - run code formatters'
@echo 'lint - run linters'
@echo 'test - run unit tests'
@echo 'tests - run unit tests'
@echo 'test TEST_FILE=<test_file> - run all tests in file'

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# langchain-openai

18
libs/partners/openai/langchain_openai/__init__.py Normal file
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@ -0,0 +1,18 @@
from langchain_openai.chat_models import (
AzureChatOpenAI,
ChatOpenAI,
)
from langchain_openai.embeddings import (
AzureOpenAIEmbeddings,
OpenAIEmbeddings,
)
from langchain_openai.llms import AzureOpenAI, OpenAI
__all__ = [
"OpenAI",
"ChatOpenAI",
"OpenAIEmbeddings",
"AzureOpenAI",
"AzureChatOpenAI",
"AzureOpenAIEmbeddings",
]

7
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@ -0,0 +1,7 @@
from langchain_openai.chat_models.azure import AzureChatOpenAI
from langchain_openai.chat_models.base import ChatOpenAI
__all__ = [
"ChatOpenAI",
"AzureChatOpenAI",
]

218
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"""Azure OpenAI chat wrapper."""
from __future__ import annotations
import logging
import os
from typing import Any, Callable, Dict, List, Union
import openai
from langchain_core.outputs import ChatResult
from langchain_core.pydantic_v1 import BaseModel, Field, root_validator
from langchain_core.utils import get_from_dict_or_env
from langchain_openai.chat_models.base import ChatOpenAI
logger = logging.getLogger(__name__)
class AzureChatOpenAI(ChatOpenAI):
"""`Azure OpenAI` Chat Completion API.
To use this class you
must have a deployed model on Azure OpenAI. Use `deployment_name` in the
constructor to refer to the "Model deployment name" in the Azure portal.
In addition, you should have the
following environment variables set or passed in constructor in lower case:
- ``AZURE_OPENAI_API_KEY``
- ``AZURE_OPENAI_ENDPOINT``
- ``AZURE_OPENAI_AD_TOKEN``
- ``OPENAI_API_VERSION``
- ``OPENAI_PROXY``
For example, if you have `gpt-3.5-turbo` deployed, with the deployment name
`35-turbo-dev`, the constructor should look like:
.. code-block:: python
AzureChatOpenAI(
azure_deployment="35-turbo-dev",
openai_api_version="2023-05-15",
)
Be aware the API version may change.
You can also specify the version of the model using ``model_version`` constructor
parameter, as Azure OpenAI doesn't return model version with the response.
Default is empty. When you specify the version, it will be appended to the
model name in the response. Setting correct version will help you to calculate the
cost properly. Model version is not validated, so make sure you set it correctly
to get the correct cost.
Any parameters that are valid to be passed to the openai.create call can be passed
in, even if not explicitly saved on this class.
"""
azure_endpoint: Union[str, None] = None
"""Your Azure endpoint, including the resource.
Automatically inferred from env var `AZURE_OPENAI_ENDPOINT` if not provided.
Example: `https://example-resource.azure.openai.com/`
"""
deployment_name: Union[str, None] = Field(default=None, alias="azure_deployment")
"""A model deployment.
If given sets the base client URL to include `/deployments/{azure_deployment}`.
Note: this means you won't be able to use non-deployment endpoints.
"""
openai_api_version: str = Field(default="", alias="api_version")
"""Automatically inferred from env var `OPENAI_API_VERSION` if not provided."""
openai_api_key: Union[str, None] = Field(default=None, alias="api_key")
"""Automatically inferred from env var `AZURE_OPENAI_API_KEY` if not provided."""
azure_ad_token: Union[str, None] = None
"""Your Azure Active Directory token.
Automatically inferred from env var `AZURE_OPENAI_AD_TOKEN` if not provided.
For more:
https://www.microsoft.com/en-us/security/business/identity-access/microsoft-entra-id.
""" # noqa: E501
azure_ad_token_provider: Union[Callable[[], str], None] = None
"""A function that returns an Azure Active Directory token.
Will be invoked on every request.
"""
model_version: str = ""
"""Legacy, for openai<1.0.0 support."""
openai_api_type: str = ""
"""Legacy, for openai<1.0.0 support."""
validate_base_url: bool = True
"""For backwards compatibility. If legacy val openai_api_base is passed in, try to
infer if it is a base_url or azure_endpoint and update accordingly.
"""
@classmethod
def get_lc_namespace(cls) -> List[str]:
"""Get the namespace of the langchain object."""
return ["langchain", "chat_models", "azure_openai"]
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate that api key and python package exists in environment."""
if values["n"] < 1:
raise ValueError("n must be at least 1.")
if values["n"] > 1 and values["streaming"]:
raise ValueError("n must be 1 when streaming.")
# Check OPENAI_KEY for backwards compatibility.
# TODO: Remove OPENAI_API_KEY support to avoid possible conflict when using
# other forms of azure credentials.
values["openai_api_key"] = (
values["openai_api_key"]
or os.getenv("AZURE_OPENAI_API_KEY")
or os.getenv("OPENAI_API_KEY")
)
values["openai_api_base"] = values["openai_api_base"] or os.getenv(
"OPENAI_API_BASE"
)
values["openai_api_version"] = values["openai_api_version"] or os.getenv(
"OPENAI_API_VERSION"
)
# Check OPENAI_ORGANIZATION for backwards compatibility.
values["openai_organization"] = (
values["openai_organization"]
or os.getenv("OPENAI_ORG_ID")
or os.getenv("OPENAI_ORGANIZATION")
)
values["azure_endpoint"] = values["azure_endpoint"] or os.getenv(
"AZURE_OPENAI_ENDPOINT"
)
values["azure_ad_token"] = values["azure_ad_token"] or os.getenv(
"AZURE_OPENAI_AD_TOKEN"
)
values["openai_api_type"] = get_from_dict_or_env(
values, "openai_api_type", "OPENAI_API_TYPE", default="azure"
)
values["openai_proxy"] = get_from_dict_or_env(
values, "openai_proxy", "OPENAI_PROXY", default=""
)
# For backwards compatibility. Before openai v1, no distinction was made
# between azure_endpoint and base_url (openai_api_base).
openai_api_base = values["openai_api_base"]
if openai_api_base and values["validate_base_url"]:
if "/openai" not in openai_api_base:
raise ValueError(
"As of openai>=1.0.0, Azure endpoints should be specified via "
"the `azure_endpoint` param not `openai_api_base` "
"(or alias `base_url`)."
)
if values["deployment_name"]:
raise ValueError(
"As of openai>=1.0.0, if `deployment_name` (or alias "
"`azure_deployment`) is specified then "
"`openai_api_base` (or alias `base_url`) should not be. "
"Instead use `deployment_name` (or alias `azure_deployment`) "
"and `azure_endpoint`."
)
client_params = {
"api_version": values["openai_api_version"],
"azure_endpoint": values["azure_endpoint"],
"azure_deployment": values["deployment_name"],
"api_key": values["openai_api_key"],
"azure_ad_token": values["azure_ad_token"],
"azure_ad_token_provider": values["azure_ad_token_provider"],
"organization": values["openai_organization"],
"base_url": values["openai_api_base"],
"timeout": values["request_timeout"],
"max_retries": values["max_retries"],
"default_headers": values["default_headers"],
"default_query": values["default_query"],
"http_client": values["http_client"],
}
values["client"] = openai.AzureOpenAI(**client_params).chat.completions
values["async_client"] = openai.AsyncAzureOpenAI(
**client_params
).chat.completions
return values
@property
def _identifying_params(self) -> Dict[str, Any]:
"""Get the identifying parameters."""
return {**self._default_params}
@property
def _llm_type(self) -> str:
return "azure-openai-chat"
@property
def lc_attributes(self) -> Dict[str, Any]:
return {
"openai_api_type": self.openai_api_type,
"openai_api_version": self.openai_api_version,
}
def _create_chat_result(self, response: Union[dict, BaseModel]) -> ChatResult:
if not isinstance(response, dict):
response = response.dict()
for res in response["choices"]:
if res.get("finish_reason", None) == "content_filter":
raise ValueError(
"Azure has not provided the response due to a content filter "
"being triggered"
)
chat_result = super()._create_chat_result(response)
if "model" in response:
model = response["model"]
if self.model_version:
model = f"{model}-{self.model_version}"
if chat_result.llm_output is not None and isinstance(
chat_result.llm_output, dict
):
chat_result.llm_output["model_name"] = model
return chat_result

655
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@ -0,0 +1,655 @@
"""OpenAI chat wrapper."""
from __future__ import annotations
import logging
import os
import sys
import warnings
from typing import (
Any,
AsyncIterator,
Callable,
Dict,
Iterator,
List,
Mapping,
Optional,
Sequence,
Tuple,
Type,
Union,
cast,
)
import openai
import tiktoken
from langchain_core.callbacks import (
AsyncCallbackManagerForLLMRun,
CallbackManagerForLLMRun,
)
from langchain_core.language_models import LanguageModelInput
from langchain_core.language_models.chat_models import (
BaseChatModel,
agenerate_from_stream,
generate_from_stream,
)
from langchain_core.messages import (
AIMessage,
AIMessageChunk,
BaseMessage,
BaseMessageChunk,
ChatMessage,
ChatMessageChunk,
FunctionMessage,
FunctionMessageChunk,
HumanMessage,
HumanMessageChunk,
SystemMessage,
SystemMessageChunk,
ToolMessage,
ToolMessageChunk,
)
from langchain_core.outputs import ChatGeneration, ChatGenerationChunk, ChatResult
from langchain_core.pydantic_v1 import BaseModel, Field, root_validator
from langchain_core.runnables import Runnable
from langchain_core.utils import (
get_from_dict_or_env,
get_pydantic_field_names,
)
from langchain_core.utils.function_calling import convert_to_openai_function
logger = logging.getLogger(__name__)
def _convert_dict_to_message(_dict: Mapping[str, Any]) -> BaseMessage:
"""Convert a dictionary to a LangChain message.
Args:
_dict: The dictionary.
Returns:
The LangChain message.
"""
role = _dict.get("role")
if role == "user":
return HumanMessage(content=_dict.get("content", ""))
elif role == "assistant":
# Fix for azure
# Also OpenAI returns None for tool invocations
content = _dict.get("content", "") or ""
additional_kwargs: Dict = {}
if function_call := _dict.get("function_call"):
additional_kwargs["function_call"] = dict(function_call)
if tool_calls := _dict.get("tool_calls"):
additional_kwargs["tool_calls"] = tool_calls
return AIMessage(content=content, additional_kwargs=additional_kwargs)
elif role == "system":
return SystemMessage(content=_dict.get("content", ""))
elif role == "function":
return FunctionMessage(content=_dict.get("content", ""), name=_dict.get("name"))
elif role == "tool":
additional_kwargs = {}
if "name" in _dict:
additional_kwargs["name"] = _dict["name"]
return ToolMessage(
content=_dict.get("content", ""),
tool_call_id=_dict.get("tool_call_id"),
additional_kwargs=additional_kwargs,
)
else:
return ChatMessage(content=_dict.get("content", ""), role=role)
def _convert_message_to_dict(message: BaseMessage) -> dict:
"""Convert a LangChain message to a dictionary.
Args:
message: The LangChain message.
Returns:
The dictionary.
"""
message_dict: Dict[str, Any]
if isinstance(message, ChatMessage):
message_dict = {"role": message.role, "content": message.content}
elif isinstance(message, HumanMessage):
message_dict = {"role": "user", "content": message.content}
elif isinstance(message, AIMessage):
message_dict = {"role": "assistant", "content": message.content}
if "function_call" in message.additional_kwargs:
message_dict["function_call"] = message.additional_kwargs["function_call"]
# If function call only, content is None not empty string
if message_dict["content"] == "":
message_dict["content"] = None
if "tool_calls" in message.additional_kwargs:
message_dict["tool_calls"] = message.additional_kwargs["tool_calls"]
# If tool calls only, content is None not empty string
if message_dict["content"] == "":
message_dict["content"] = None
elif isinstance(message, SystemMessage):
message_dict = {"role": "system", "content": message.content}
elif isinstance(message, FunctionMessage):
message_dict = {
"role": "function",
"content": message.content,
"name": message.name,
}
elif isinstance(message, ToolMessage):
message_dict = {
"role": "tool",
"content": message.content,
"tool_call_id": message.tool_call_id,
}
else:
raise TypeError(f"Got unknown type {message}")
if "name" in message.additional_kwargs:
message_dict["name"] = message.additional_kwargs["name"]
return message_dict
def _convert_delta_to_message_chunk(
_dict: Mapping[str, Any], default_class: Type[BaseMessageChunk]
) -> BaseMessageChunk:
role = cast(str, _dict.get("role"))
content = cast(str, _dict.get("content") or "")
additional_kwargs: Dict = {}
if _dict.get("function_call"):
function_call = dict(_dict["function_call"])
if "name" in function_call and function_call["name"] is None:
function_call["name"] = ""
additional_kwargs["function_call"] = function_call
if _dict.get("tool_calls"):
additional_kwargs["tool_calls"] = _dict["tool_calls"]
if role == "user" or default_class == HumanMessageChunk:
return HumanMessageChunk(content=content)
elif role == "assistant" or default_class == AIMessageChunk:
return AIMessageChunk(content=content, additional_kwargs=additional_kwargs)
elif role == "system" or default_class == SystemMessageChunk:
return SystemMessageChunk(content=content)
elif role == "function" or default_class == FunctionMessageChunk:
return FunctionMessageChunk(content=content, name=_dict["name"])
elif role == "tool" or default_class == ToolMessageChunk:
return ToolMessageChunk(content=content, tool_call_id=_dict["tool_call_id"])
elif role or default_class == ChatMessageChunk:
return ChatMessageChunk(content=content, role=role)
else:
return default_class(content=content) # type: ignore
class ChatOpenAI(BaseChatModel):
"""`OpenAI` Chat large language models API.
To use, you should have the
environment variable ``OPENAI_API_KEY`` set with your API key.
Any parameters that are valid to be passed to the openai.create call can be passed
in, even if not explicitly saved on this class.
Example:
.. code-block:: python
from langchain_community.chat_models import ChatOpenAI
openai = ChatOpenAI(model_name="gpt-3.5-turbo")
"""
@property
def lc_secrets(self) -> Dict[str, str]:
return {"openai_api_key": "OPENAI_API_KEY"}
@classmethod
def get_lc_namespace(cls) -> List[str]:
"""Get the namespace of the langchain object."""
return ["langchain", "chat_models", "openai"]
@property
def lc_attributes(self) -> Dict[str, Any]:
attributes: Dict[str, Any] = {}
if self.openai_organization:
attributes["openai_organization"] = self.openai_organization
if self.openai_api_base:
attributes["openai_api_base"] = self.openai_api_base
if self.openai_proxy:
attributes["openai_proxy"] = self.openai_proxy
return attributes
@classmethod
def is_lc_serializable(cls) -> bool:
"""Return whether this model can be serialized by Langchain."""
return True
client: Any = Field(default=None, exclude=True) #: :meta private:
async_client: Any = Field(default=None, exclude=True) #: :meta private:
model_name: str = Field(default="gpt-3.5-turbo", alias="model")
"""Model name to use."""
temperature: float = 0.7
"""What sampling temperature to use."""
model_kwargs: Dict[str, Any] = Field(default_factory=dict)
"""Holds any model parameters valid for `create` call not explicitly specified."""
# When updating this to use a SecretStr
# Check for classes that derive from this class (as some of them
# may assume openai_api_key is a str)
openai_api_key: Optional[str] = Field(default=None, alias="api_key")
"""Automatically inferred from env var `OPENAI_API_KEY` if not provided."""
openai_api_base: Optional[str] = Field(default=None, alias="base_url")
"""Base URL path for API requests, leave blank if not using a proxy or service
emulator."""
openai_organization: Optional[str] = Field(default=None, alias="organization")
"""Automatically inferred from env var `OPENAI_ORG_ID` if not provided."""
# to support explicit proxy for OpenAI
openai_proxy: Optional[str] = None
request_timeout: Union[float, Tuple[float, float], Any, None] = Field(
default=None, alias="timeout"
)
"""Timeout for requests to OpenAI completion API. Can be float, httpx.Timeout or
None."""
max_retries: int = 2
"""Maximum number of retries to make when generating."""
streaming: bool = False
"""Whether to stream the results or not."""
n: int = 1
"""Number of chat completions to generate for each prompt."""
max_tokens: Optional[int] = None
"""Maximum number of tokens to generate."""
tiktoken_model_name: Optional[str] = None
"""The model name to pass to tiktoken when using this class.
Tiktoken is used to count the number of tokens in documents to constrain
them to be under a certain limit. By default, when set to None, this will
be the same as the embedding model name. However, there are some cases
where you may want to use this Embedding class with a model name not
supported by tiktoken. This can include when using Azure embeddings or
when using one of the many model providers that expose an OpenAI-like
API but with different models. In those cases, in order to avoid erroring
when tiktoken is called, you can specify a model name to use here."""
default_headers: Union[Mapping[str, str], None] = None
default_query: Union[Mapping[str, object], None] = None
# Configure a custom httpx client. See the
# [httpx documentation](https://www.python-httpx.org/api/#client) for more details.
http_client: Union[Any, None] = None
"""Optional httpx.Client."""
class Config:
"""Configuration for this pydantic object."""
allow_population_by_field_name = True
@root_validator(pre=True)
def build_extra(cls, values: Dict[str, Any]) -> Dict[str, Any]:
"""Build extra kwargs from additional params that were passed in."""
all_required_field_names = get_pydantic_field_names(cls)
extra = values.get("model_kwargs", {})
for field_name in list(values):
if field_name in extra:
raise ValueError(f"Found {field_name} supplied twice.")
if field_name not in all_required_field_names:
warnings.warn(
f"""WARNING! {field_name} is not default parameter.
{field_name} was transferred to model_kwargs.
Please confirm that {field_name} is what you intended."""
)
extra[field_name] = values.pop(field_name)
invalid_model_kwargs = all_required_field_names.intersection(extra.keys())
if invalid_model_kwargs:
raise ValueError(
f"Parameters {invalid_model_kwargs} should be specified explicitly. "
f"Instead they were passed in as part of `model_kwargs` parameter."
)
values["model_kwargs"] = extra
return values
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate that api key and python package exists in environment."""
if values["n"] < 1:
raise ValueError("n must be at least 1.")
if values["n"] > 1 and values["streaming"]:
raise ValueError("n must be 1 when streaming.")
values["openai_api_key"] = get_from_dict_or_env(
values, "openai_api_key", "OPENAI_API_KEY"
)
# Check OPENAI_ORGANIZATION for backwards compatibility.
values["openai_organization"] = (
values["openai_organization"]
or os.getenv("OPENAI_ORG_ID")
or os.getenv("OPENAI_ORGANIZATION")
)
values["openai_api_base"] = values["openai_api_base"] or os.getenv(
"OPENAI_API_BASE"
)
values["openai_proxy"] = get_from_dict_or_env(
values,
"openai_proxy",
"OPENAI_PROXY",
default="",
)
client_params = {
"api_key": values["openai_api_key"],
"organization": values["openai_organization"],
"base_url": values["openai_api_base"],
"timeout": values["request_timeout"],
"max_retries": values["max_retries"],
"default_headers": values["default_headers"],
"default_query": values["default_query"],
"http_client": values["http_client"],
}
if not values.get("client"):
values["client"] = openai.OpenAI(**client_params).chat.completions
if not values.get("async_client"):
values["async_client"] = openai.AsyncOpenAI(
**client_params
).chat.completions
return values
@property
def _default_params(self) -> Dict[str, Any]:
"""Get the default parameters for calling OpenAI API."""
params = {
"model": self.model_name,
"stream": self.streaming,
"n": self.n,
"temperature": self.temperature,
**self.model_kwargs,
}
if self.max_tokens is not None:
params["max_tokens"] = self.max_tokens
return params
def _combine_llm_outputs(self, llm_outputs: List[Optional[dict]]) -> dict:
overall_token_usage: dict = {}
system_fingerprint = None
for output in llm_outputs:
if output is None:
# Happens in streaming
continue
token_usage = output["token_usage"]
if token_usage is not None:
for k, v in token_usage.items():
if k in overall_token_usage:
overall_token_usage[k] += v
else:
overall_token_usage[k] = v
if system_fingerprint is None:
system_fingerprint = output.get("system_fingerprint")
combined = {"token_usage": overall_token_usage, "model_name": self.model_name}
if system_fingerprint:
combined["system_fingerprint"] = system_fingerprint
return combined
def _stream(
self,
messages: List[BaseMessage],
stop: Optional[List[str]] = None,
run_manager: Optional[CallbackManagerForLLMRun] = None,
**kwargs: Any,
) -> Iterator[ChatGenerationChunk]:
message_dicts, params = self._create_message_dicts(messages, stop)
params = {**params, **kwargs, "stream": True}
default_chunk_class = AIMessageChunk
for chunk in self.client.create(messages=message_dicts, **params):
if not isinstance(chunk, dict):
chunk = chunk.dict()
if len(chunk["choices"]) == 0:
continue
choice = chunk["choices"][0]
chunk = _convert_delta_to_message_chunk(
choice["delta"], default_chunk_class
)
finish_reason = choice.get("finish_reason")
generation_info = (
dict(finish_reason=finish_reason) if finish_reason is not None else None
)
default_chunk_class = chunk.__class__
chunk = ChatGenerationChunk(message=chunk, generation_info=generation_info)
yield chunk
if run_manager:
run_manager.on_llm_new_token(chunk.text, chunk=chunk)
def _generate(
self,
messages: List[BaseMessage],
stop: Optional[List[str]] = None,
run_manager: Optional[CallbackManagerForLLMRun] = None,
stream: Optional[bool] = None,
**kwargs: Any,
) -> ChatResult:
should_stream = stream if stream is not None else self.streaming
if should_stream:
stream_iter = self._stream(
messages, stop=stop, run_manager=run_manager, **kwargs
)
return generate_from_stream(stream_iter)
message_dicts, params = self._create_message_dicts(messages, stop)
params = {
**params,
**({"stream": stream} if stream is not None else {}),
**kwargs,
}
response = self.client.create(messages=message_dicts, **params)
return self._create_chat_result(response)
def _create_message_dicts(
self, messages: List[BaseMessage], stop: Optional[List[str]]
) -> Tuple[List[Dict[str, Any]], Dict[str, Any]]:
params = self._default_params
if stop is not None:
if "stop" in params:
raise ValueError("`stop` found in both the input and default params.")
params["stop"] = stop
message_dicts = [_convert_message_to_dict(m) for m in messages]
return message_dicts, params
def _create_chat_result(self, response: Union[dict, BaseModel]) -> ChatResult:
generations = []
if not isinstance(response, dict):
response = response.dict()
for res in response["choices"]:
message = _convert_dict_to_message(res["message"])
generation_info = dict(finish_reason=res.get("finish_reason"))
if "logprobs" in res:
generation_info["logprobs"] = res["logprobs"]
gen = ChatGeneration(
message=message,
generation_info=generation_info,
)
generations.append(gen)
token_usage = response.get("usage", {})
llm_output = {
"token_usage": token_usage,
"model_name": self.model_name,
"system_fingerprint": response.get("system_fingerprint", ""),
}
return ChatResult(generations=generations, llm_output=llm_output)
async def _astream(
self,
messages: List[BaseMessage],
stop: Optional[List[str]] = None,
run_manager: Optional[AsyncCallbackManagerForLLMRun] = None,
**kwargs: Any,
) -> AsyncIterator[ChatGenerationChunk]:
message_dicts, params = self._create_message_dicts(messages, stop)
params = {**params, **kwargs, "stream": True}
default_chunk_class = AIMessageChunk
async for chunk in await self.async_client.create(
messages=message_dicts, **params
):
if not isinstance(chunk, dict):
chunk = chunk.dict()
if len(chunk["choices"]) == 0:
continue
choice = chunk["choices"][0]
chunk = _convert_delta_to_message_chunk(
choice["delta"], default_chunk_class
)
finish_reason = choice.get("finish_reason")
generation_info = (
dict(finish_reason=finish_reason) if finish_reason is not None else None
)
default_chunk_class = chunk.__class__
chunk = ChatGenerationChunk(message=chunk, generation_info=generation_info)
yield chunk
if run_manager:
await run_manager.on_llm_new_token(token=chunk.text, chunk=chunk)
async def _agenerate(
self,
messages: List[BaseMessage],
stop: Optional[List[str]] = None,
run_manager: Optional[AsyncCallbackManagerForLLMRun] = None,
stream: Optional[bool] = None,
**kwargs: Any,
) -> ChatResult:
should_stream = stream if stream is not None else self.streaming
if should_stream:
stream_iter = self._astream(
messages, stop=stop, run_manager=run_manager, **kwargs
)
return await agenerate_from_stream(stream_iter)
message_dicts, params = self._create_message_dicts(messages, stop)
params = {
**params,
**({"stream": stream} if stream is not None else {}),
**kwargs,
}
response = await self.async_client.create(messages=message_dicts, **params)
return self._create_chat_result(response)
@property
def _identifying_params(self) -> Dict[str, Any]:
"""Get the identifying parameters."""
return {"model_name": self.model_name, **self._default_params}
def _get_invocation_params(
self, stop: Optional[List[str]] = None, **kwargs: Any
) -> Dict[str, Any]:
"""Get the parameters used to invoke the model."""
return {
"model": self.model_name,
**super()._get_invocation_params(stop=stop),
**self._default_params,
**kwargs,
}
@property
def _llm_type(self) -> str:
"""Return type of chat model."""
return "openai-chat"
def _get_encoding_model(self) -> Tuple[str, tiktoken.Encoding]:
if self.tiktoken_model_name is not None:
model = self.tiktoken_model_name
else:
model = self.model_name
if model == "gpt-3.5-turbo":
# gpt-3.5-turbo may change over time.
# Returning num tokens assuming gpt-3.5-turbo-0301.
model = "gpt-3.5-turbo-0301"
elif model == "gpt-4":
# gpt-4 may change over time.
# Returning num tokens assuming gpt-4-0314.
model = "gpt-4-0314"
# Returns the number of tokens used by a list of messages.
try:
encoding = tiktoken.encoding_for_model(model)
except KeyError:
logger.warning("Warning: model not found. Using cl100k_base encoding.")
model = "cl100k_base"
encoding = tiktoken.get_encoding(model)
return model, encoding
def get_token_ids(self, text: str) -> List[int]:
"""Get the tokens present in the text with tiktoken package."""
# tiktoken NOT supported for Python 3.7 or below
if sys.version_info[1] <= 7:
return super().get_token_ids(text)
_, encoding_model = self._get_encoding_model()
return encoding_model.encode(text)
def get_num_tokens_from_messages(self, messages: List[BaseMessage]) -> int:
"""Calculate num tokens for gpt-3.5-turbo and gpt-4 with tiktoken package.
Official documentation: https://github.com/openai/openai-cookbook/blob/
main/examples/How_to_format_inputs_to_ChatGPT_models.ipynb"""
if sys.version_info[1] <= 7:
return super().get_num_tokens_from_messages(messages)
model, encoding = self._get_encoding_model()
if model.startswith("gpt-3.5-turbo-0301"):
# every message follows <im_start>{role/name}\n{content}<im_end>\n
tokens_per_message = 4
# if there's a name, the role is omitted
tokens_per_name = -1
elif model.startswith("gpt-3.5-turbo") or model.startswith("gpt-4"):
tokens_per_message = 3
tokens_per_name = 1
else:
raise NotImplementedError(
f"get_num_tokens_from_messages() is not presently implemented "
f"for model {model}. See "
"https://platform.openai.com/docs/guides/text-generation/managing-tokens"
" for information on how messages are converted to tokens."
)
num_tokens = 0
messages_dict = [_convert_message_to_dict(m) for m in messages]
for message in messages_dict:
num_tokens += tokens_per_message
for key, value in message.items():
# Cast str(value) in case the message value is not a string
# This occurs with function messages
num_tokens += len(encoding.encode(str(value)))
if key == "name":
num_tokens += tokens_per_name
# every reply is primed with <im_start>assistant
num_tokens += 3
return num_tokens
def bind_functions(
self,
functions: Sequence[Union[Dict[str, Any], Type[BaseModel], Callable]],
function_call: Optional[str] = None,
**kwargs: Any,
) -> Runnable[LanguageModelInput, BaseMessage]:
"""Bind functions (and other objects) to this chat model.
Args:
functions: A list of function definitions to bind to this chat model.
Can be a dictionary, pydantic model, or callable. Pydantic
models and callables will be automatically converted to
their schema dictionary representation.
function_call: Which function to require the model to call.
Must be the name of the single provided function or
"auto" to automatically determine which function to call
(if any).
kwargs: Any additional parameters to pass to the
:class:`~langchain.runnable.Runnable` constructor.
"""
formatted_functions = [convert_to_openai_function(fn) for fn in functions]
if function_call is not None:
if len(formatted_functions) != 1:
raise ValueError(
"When specifying `function_call`, you must provide exactly one "
"function."
)
if formatted_functions[0]["name"] != function_call:
raise ValueError(
f"Function call {function_call} was specified, but the only "
f"provided function was {formatted_functions[0]['name']}."
)
function_call_ = {"name": function_call}
kwargs = {**kwargs, "function_call": function_call_}
return super().bind(
functions=formatted_functions,
**kwargs,
)

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libs/partners/openai/langchain_openai/embeddings/__init__.py Normal file
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from langchain_openai.embeddings.azure import AzureOpenAIEmbeddings
from langchain_openai.embeddings.base import OpenAIEmbeddings
__all__ = [
"OpenAIEmbeddings",
"AzureOpenAIEmbeddings",
]

130
libs/partners/openai/langchain_openai/embeddings/azure.py Normal file
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"""Azure OpenAI embeddings wrapper."""
from __future__ import annotations
import os
from typing import Callable, Dict, Optional, Union
import openai
from langchain_core.pydantic_v1 import Field, root_validator
from langchain_core.utils import get_from_dict_or_env
from langchain_openai.embeddings.base import OpenAIEmbeddings
class AzureOpenAIEmbeddings(OpenAIEmbeddings):
"""`Azure OpenAI` Embeddings API."""
azure_endpoint: Union[str, None] = None
"""Your Azure endpoint, including the resource.
Automatically inferred from env var `AZURE_OPENAI_ENDPOINT` if not provided.
Example: `https://example-resource.azure.openai.com/`
"""
deployment: Optional[str] = Field(default=None, alias="azure_deployment")
"""A model deployment.
If given sets the base client URL to include `/deployments/{azure_deployment}`.
Note: this means you won't be able to use non-deployment endpoints.
"""
openai_api_key: Union[str, None] = Field(default=None, alias="api_key")
"""Automatically inferred from env var `AZURE_OPENAI_API_KEY` if not provided."""
azure_ad_token: Union[str, None] = None
"""Your Azure Active Directory token.
Automatically inferred from env var `AZURE_OPENAI_AD_TOKEN` if not provided.
For more:
https://www.microsoft.com/en-us/security/business/identity-access/microsoft-entra-id.
""" # noqa: E501
azure_ad_token_provider: Union[Callable[[], str], None] = None
"""A function that returns an Azure Active Directory token.
Will be invoked on every request.
"""
openai_api_version: Optional[str] = Field(default=None, alias="api_version")
"""Automatically inferred from env var `OPENAI_API_VERSION` if not provided."""
validate_base_url: bool = True
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate that api key and python package exists in environment."""
# Check OPENAI_KEY for backwards compatibility.
# TODO: Remove OPENAI_API_KEY support to avoid possible conflict when using
# other forms of azure credentials.
values["openai_api_key"] = (
values["openai_api_key"]
or os.getenv("AZURE_OPENAI_API_KEY")
or os.getenv("OPENAI_API_KEY")
)
values["openai_api_base"] = values["openai_api_base"] or os.getenv(
"OPENAI_API_BASE"
)
values["openai_api_version"] = values["openai_api_version"] or os.getenv(
"OPENAI_API_VERSION", default="2023-05-15"
)
values["openai_api_type"] = get_from_dict_or_env(
values, "openai_api_type", "OPENAI_API_TYPE", default="azure"
)
values["openai_organization"] = (
values["openai_organization"]
or os.getenv("OPENAI_ORG_ID")
or os.getenv("OPENAI_ORGANIZATION")
)
values["openai_proxy"] = get_from_dict_or_env(
values,
"openai_proxy",
"OPENAI_PROXY",
default="",
)
values["azure_endpoint"] = values["azure_endpoint"] or os.getenv(
"AZURE_OPENAI_ENDPOINT"
)
values["azure_ad_token"] = values["azure_ad_token"] or os.getenv(
"AZURE_OPENAI_AD_TOKEN"
)
# Azure OpenAI embedding models allow a maximum of 16 texts
# at a time in each batch
# See: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference#embeddings
values["chunk_size"] = min(values["chunk_size"], 16)
# For backwards compatibility. Before openai v1, no distinction was made
# between azure_endpoint and base_url (openai_api_base).
openai_api_base = values["openai_api_base"]
if openai_api_base and values["validate_base_url"]:
if "/openai" not in openai_api_base:
values["openai_api_base"] += "/openai"
raise ValueError(
"As of openai>=1.0.0, Azure endpoints should be specified via "
"the `azure_endpoint` param not `openai_api_base` "
"(or alias `base_url`). "
)
if values["deployment"]:
raise ValueError(
"As of openai>=1.0.0, if `deployment` (or alias "
"`azure_deployment`) is specified then "
"`openai_api_base` (or alias `base_url`) should not be. "
"Instead use `deployment` (or alias `azure_deployment`) "
"and `azure_endpoint`."
)
client_params = {
"api_version": values["openai_api_version"],
"azure_endpoint": values["azure_endpoint"],
"azure_deployment": values["deployment"],
"api_key": values["openai_api_key"],
"azure_ad_token": values["azure_ad_token"],
"azure_ad_token_provider": values["azure_ad_token_provider"],
"organization": values["openai_organization"],
"base_url": values["openai_api_base"],
"timeout": values["request_timeout"],
"max_retries": values["max_retries"],
"default_headers": values["default_headers"],
"default_query": values["default_query"],
"http_client": values["http_client"],
}
values["client"] = openai.AzureOpenAI(**client_params).embeddings
values["async_client"] = openai.AsyncAzureOpenAI(**client_params).embeddings
return values
@property
def _llm_type(self) -> str:
return "azure-openai-chat"

523
libs/partners/openai/langchain_openai/embeddings/base.py Normal file
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from __future__ import annotations
import logging
import os
import warnings
from typing import (
Any,
Dict,
Iterable,
List,
Literal,
Mapping,
Optional,
Sequence,
Set,
Tuple,
Union,
cast,
)
import numpy as np
import openai
import tiktoken
from langchain_core.embeddings import Embeddings
from langchain_core.pydantic_v1 import BaseModel, Extra, Field, root_validator
from langchain_core.utils import get_from_dict_or_env, get_pydantic_field_names
logger = logging.getLogger(__name__)
class OpenAIEmbeddings(BaseModel, Embeddings):
"""OpenAI embedding models.
To use, you should have the
environment variable ``OPENAI_API_KEY`` set with your API key or pass it
as a named parameter to the constructor.
Example:
.. code-block:: python
from langchain_community.embeddings import OpenAIEmbeddings
openai = OpenAIEmbeddings(openai_api_key="my-api-key")
In order to use the library with Microsoft Azure endpoints, you need to set
the OPENAI_API_TYPE, OPENAI_API_BASE, OPENAI_API_KEY and OPENAI_API_VERSION.
The OPENAI_API_TYPE must be set to 'azure' and the others correspond to
the properties of your endpoint.
In addition, the deployment name must be passed as the model parameter.
Example:
.. code-block:: python
import os
os.environ["OPENAI_API_TYPE"] = "azure"
os.environ["OPENAI_API_BASE"] = "https://<your-endpoint.openai.azure.com/"
os.environ["OPENAI_API_KEY"] = "your AzureOpenAI key"
os.environ["OPENAI_API_VERSION"] = "2023-05-15"
os.environ["OPENAI_PROXY"] = "http://your-corporate-proxy:8080"
from langchain_community.embeddings.openai import OpenAIEmbeddings
embeddings = OpenAIEmbeddings(
deployment="your-embeddings-deployment-name",
model="your-embeddings-model-name",
openai_api_base="https://your-endpoint.openai.azure.com/",
openai_api_type="azure",
)
text = "This is a test query."
query_result = embeddings.embed_query(text)
"""
client: Any = Field(default=None, exclude=True) #: :meta private:
async_client: Any = Field(default=None, exclude=True) #: :meta private:
model: str = "text-embedding-ada-002"
# to support Azure OpenAI Service custom deployment names
deployment: Optional[str] = model
# TODO: Move to AzureOpenAIEmbeddings.
openai_api_version: Optional[str] = Field(default=None, alias="api_version")
"""Automatically inferred from env var `OPENAI_API_VERSION` if not provided."""
# to support Azure OpenAI Service custom endpoints
openai_api_base: Optional[str] = Field(default=None, alias="base_url")
"""Base URL path for API requests, leave blank if not using a proxy or service
emulator."""
# to support Azure OpenAI Service custom endpoints
openai_api_type: Optional[str] = None
# to support explicit proxy for OpenAI
openai_proxy: Optional[str] = None
embedding_ctx_length: int = 8191
"""The maximum number of tokens to embed at once."""
openai_api_key: Optional[str] = Field(default=None, alias="api_key")
"""Automatically inferred from env var `OPENAI_API_KEY` if not provided."""
openai_organization: Optional[str] = Field(default=None, alias="organization")
"""Automatically inferred from env var `OPENAI_ORG_ID` if not provided."""
allowed_special: Union[Literal["all"], Set[str]] = set()
disallowed_special: Union[Literal["all"], Set[str], Sequence[str]] = "all"
chunk_size: int = 1000
"""Maximum number of texts to embed in each batch"""
max_retries: int = 2
"""Maximum number of retries to make when generating."""
request_timeout: Optional[Union[float, Tuple[float, float], Any]] = Field(
default=None, alias="timeout"
)
"""Timeout for requests to OpenAI completion API. Can be float, httpx.Timeout or
None."""
headers: Any = None
tiktoken_enabled: bool = True
"""Set this to False for non-OpenAI implementations of the embeddings API, e.g.
the `--extensions openai` extension for `text-generation-webui`"""
tiktoken_model_name: Optional[str] = None
"""The model name to pass to tiktoken when using this class.
Tiktoken is used to count the number of tokens in documents to constrain
them to be under a certain limit. By default, when set to None, this will
be the same as the embedding model name. However, there are some cases
where you may want to use this Embedding class with a model name not
supported by tiktoken. This can include when using Azure embeddings or
when using one of the many model providers that expose an OpenAI-like
API but with different models. In those cases, in order to avoid erroring
when tiktoken is called, you can specify a model name to use here."""
show_progress_bar: bool = False
"""Whether to show a progress bar when embedding."""
model_kwargs: Dict[str, Any] = Field(default_factory=dict)
"""Holds any model parameters valid for `create` call not explicitly specified."""
skip_empty: bool = False
"""Whether to skip empty strings when embedding or raise an error.
Defaults to not skipping."""
default_headers: Union[Mapping[str, str], None] = None
default_query: Union[Mapping[str, object], None] = None
# Configure a custom httpx client. See the
# [httpx documentation](https://www.python-httpx.org/api/#client) for more details.
retry_min_seconds: int = 4
"""Min number of seconds to wait between retries"""
retry_max_seconds: int = 20
"""Max number of seconds to wait between retries"""
http_client: Union[Any, None] = None
"""Optional httpx.Client."""
class Config:
"""Configuration for this pydantic object."""
extra = Extra.forbid
allow_population_by_field_name = True
@root_validator(pre=True)
def build_extra(cls, values: Dict[str, Any]) -> Dict[str, Any]:
"""Build extra kwargs from additional params that were passed in."""
all_required_field_names = get_pydantic_field_names(cls)
extra = values.get("model_kwargs", {})
for field_name in list(values):
if field_name in extra:
raise ValueError(f"Found {field_name} supplied twice.")
if field_name not in all_required_field_names:
warnings.warn(
f"""WARNING! {field_name} is not default parameter.
{field_name} was transferred to model_kwargs.
Please confirm that {field_name} is what you intended."""
)
extra[field_name] = values.pop(field_name)
invalid_model_kwargs = all_required_field_names.intersection(extra.keys())
if invalid_model_kwargs:
raise ValueError(
f"Parameters {invalid_model_kwargs} should be specified explicitly. "
f"Instead they were passed in as part of `model_kwargs` parameter."
)
values["model_kwargs"] = extra
return values
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate that api key and python package exists in environment."""
values["openai_api_key"] = get_from_dict_or_env(
values, "openai_api_key", "OPENAI_API_KEY"
)
values["openai_api_base"] = values["openai_api_base"] or os.getenv(
"OPENAI_API_BASE"
)
values["openai_api_type"] = get_from_dict_or_env(
values,
"openai_api_type",
"OPENAI_API_TYPE",
default="",
)
values["openai_proxy"] = get_from_dict_or_env(
values,
"openai_proxy",
"OPENAI_PROXY",
default="",
)
if values["openai_api_type"] in ("azure", "azure_ad", "azuread"):
default_api_version = "2023-05-15"
# Azure OpenAI embedding models allow a maximum of 16 texts
# at a time in each batch
# See: https://learn.microsoft.com/en-us/azure/ai-services/openai/reference#embeddings
values["chunk_size"] = min(values["chunk_size"], 16)
else:
default_api_version = ""
values["openai_api_version"] = get_from_dict_or_env(
values,
"openai_api_version",
"OPENAI_API_VERSION",
default=default_api_version,
)
# Check OPENAI_ORGANIZATION for backwards compatibility.
values["openai_organization"] = (
values["openai_organization"]
or os.getenv("OPENAI_ORG_ID")
or os.getenv("OPENAI_ORGANIZATION")
)
if values["openai_api_type"] in ("azure", "azure_ad", "azuread"):
raise ValueError(
"If you are using Azure, "
"please use the `AzureOpenAIEmbeddings` class."
)
client_params = {
"api_key": values["openai_api_key"],
"organization": values["openai_organization"],
"base_url": values["openai_api_base"],
"timeout": values["request_timeout"],
"max_retries": values["max_retries"],
"default_headers": values["default_headers"],
"default_query": values["default_query"],
"http_client": values["http_client"],
}
if not values.get("client"):
values["client"] = openai.OpenAI(**client_params).embeddings
if not values.get("async_client"):
values["async_client"] = openai.AsyncOpenAI(**client_params).embeddings
return values
@property
def _invocation_params(self) -> Dict[str, Any]:
return {"model": self.model, **self.model_kwargs}
# please refer to
# https://github.com/openai/openai-cookbook/blob/main/examples/Embedding_long_inputs.ipynb
def _get_len_safe_embeddings(
self, texts: List[str], *, engine: str, chunk_size: Optional[int] = None
) -> List[List[float]]:
"""
Generate length-safe embeddings for a list of texts.
This method handles tokenization and embedding generation, respecting the
set embedding context length and chunk size. It supports both tiktoken
and HuggingFace tokenizer based on the tiktoken_enabled flag.
Args:
texts (List[str]): A list of texts to embed.
engine (str): The engine or model to use for embeddings.
chunk_size (Optional[int]): The size of chunks for processing embeddings.
Returns:
List[List[float]]: A list of embeddings for each input text.
"""
tokens = []
indices = []
model_name = self.tiktoken_model_name or self.model
_chunk_size = chunk_size or self.chunk_size
# If tiktoken flag set to False
if not self.tiktoken_enabled:
try:
from transformers import AutoTokenizer # noqa: F401
except ImportError:
raise ValueError(
"Could not import transformers python package. "
"This is needed in order to for OpenAIEmbeddings without "
"`tiktoken`. Please install it with `pip install transformers`. "
)
tokenizer = AutoTokenizer.from_pretrained(
pretrained_model_name_or_path=model_name
)
for i, text in enumerate(texts):
# Tokenize the text using HuggingFace transformers
tokenized = tokenizer.encode(text, add_special_tokens=False)
# Split tokens into chunks respecting the embedding_ctx_length
for j in range(0, len(tokenized), self.embedding_ctx_length):
token_chunk = tokenized[j : j + self.embedding_ctx_length]
# Convert token IDs back to a string
chunk_text = tokenizer.decode(token_chunk)
tokens.append(chunk_text)
indices.append(i)
else:
try:
encoding = tiktoken.encoding_for_model(model_name)
except KeyError:
logger.warning("Warning: model not found. Using cl100k_base encoding.")
model = "cl100k_base"
encoding = tiktoken.get_encoding(model)
for i, text in enumerate(texts):
if self.model.endswith("001"):
# See: https://github.com/openai/openai-python/
# issues/418#issuecomment-1525939500
# replace newlines, which can negatively affect performance.
text = text.replace("\n", " ")
token = encoding.encode(
text=text,
allowed_special=self.allowed_special,
disallowed_special=self.disallowed_special,
)
# Split tokens into chunks respecting the embedding_ctx_length
for j in range(0, len(token), self.embedding_ctx_length):
tokens.append(token[j : j + self.embedding_ctx_length])
indices.append(i)
if self.show_progress_bar:
try:
from tqdm.auto import tqdm
_iter: Iterable = tqdm(range(0, len(tokens), _chunk_size))
except ImportError:
_iter = range(0, len(tokens), _chunk_size)
else:
_iter = range(0, len(tokens), _chunk_size)
batched_embeddings: List[List[float]] = []
for i in _iter:
response = self.client.create(
input=tokens[i : i + _chunk_size], **self._invocation_params
)
if not isinstance(response, dict):
response = response.dict()
batched_embeddings.extend(r["embedding"] for r in response["data"])
results: List[List[List[float]]] = [[] for _ in range(len(texts))]
num_tokens_in_batch: List[List[int]] = [[] for _ in range(len(texts))]
for i in range(len(indices)):
if self.skip_empty and len(batched_embeddings[i]) == 1:
continue
results[indices[i]].append(batched_embeddings[i])
num_tokens_in_batch[indices[i]].append(len(tokens[i]))
embeddings: List[List[float]] = [[] for _ in range(len(texts))]
for i in range(len(texts)):
_result = results[i]
if len(_result) == 0:
average_embedded = self.client.create(
input="", **self._invocation_params
)
if not isinstance(average_embedded, dict):
average_embedded = average_embedded.dict()
average = average_embedded["data"][0]["embedding"]
else:
average = np.average(_result, axis=0, weights=num_tokens_in_batch[i])
embeddings[i] = (average / np.linalg.norm(average)).tolist()
return embeddings
# please refer to
# https://github.com/openai/openai-cookbook/blob/main/examples/Embedding_long_inputs.ipynb
async def _aget_len_safe_embeddings(
self, texts: List[str], *, engine: str, chunk_size: Optional[int] = None
) -> List[List[float]]:
"""
Asynchronously generate length-safe embeddings for a list of texts.
This method handles tokenization and asynchronous embedding generation,
respecting the set embedding context length and chunk size. It supports both
`tiktoken` and HuggingFace `tokenizer` based on the tiktoken_enabled flag.
Args:
texts (List[str]): A list of texts to embed.
engine (str): The engine or model to use for embeddings.
chunk_size (Optional[int]): The size of chunks for processing embeddings.
Returns:
List[List[float]]: A list of embeddings for each input text.
"""
tokens = []
indices = []
model_name = self.tiktoken_model_name or self.model
_chunk_size = chunk_size or self.chunk_size
# If tiktoken flag set to False
if not self.tiktoken_enabled:
try:
from transformers import AutoTokenizer
except ImportError:
raise ValueError(
"Could not import transformers python package. "
"This is needed in order to for OpenAIEmbeddings without "
" `tiktoken`. Please install it with `pip install transformers`."
)
tokenizer = AutoTokenizer.from_pretrained(
pretrained_model_name_or_path=model_name
)
for i, text in enumerate(texts):
# Tokenize the text using HuggingFace transformers
tokenized = tokenizer.encode(text, add_special_tokens=False)
# Split tokens into chunks respecting the embedding_ctx_length
for j in range(0, len(tokenized), self.embedding_ctx_length):
token_chunk = tokenized[j : j + self.embedding_ctx_length]
# Convert token IDs back to a string
chunk_text = tokenizer.decode(token_chunk)
tokens.append(chunk_text)
indices.append(i)
else:
try:
encoding = tiktoken.encoding_for_model(model_name)
except KeyError:
logger.warning("Warning: model not found. Using cl100k_base encoding.")
model = "cl100k_base"
encoding = tiktoken.get_encoding(model)
for i, text in enumerate(texts):
if self.model.endswith("001"):
# See: https://github.com/openai/openai-python/
# issues/418#issuecomment-1525939500
# replace newlines, which can negatively affect performance.
text = text.replace("\n", " ")
token = encoding.encode(
text=text,
allowed_special=self.allowed_special,
disallowed_special=self.disallowed_special,
)
# Split tokens into chunks respecting the embedding_ctx_length
for j in range(0, len(token), self.embedding_ctx_length):
tokens.append(token[j : j + self.embedding_ctx_length])
indices.append(i)
batched_embeddings: List[List[float]] = []
_chunk_size = chunk_size or self.chunk_size
for i in range(0, len(tokens), _chunk_size):
response = await self.async_client.create(
input=tokens[i : i + _chunk_size], **self._invocation_params
)
if not isinstance(response, dict):
response = response.dict()
batched_embeddings.extend(r["embedding"] for r in response["data"])
results: List[List[List[float]]] = [[] for _ in range(len(texts))]
num_tokens_in_batch: List[List[int]] = [[] for _ in range(len(texts))]
for i in range(len(indices)):
results[indices[i]].append(batched_embeddings[i])
num_tokens_in_batch[indices[i]].append(len(tokens[i]))
embeddings: List[List[float]] = [[] for _ in range(len(texts))]
for i in range(len(texts)):
_result = results[i]
if len(_result) == 0:
average_embedded = await self.async_client.create(
input="", **self._invocation_params
)
if not isinstance(average_embedded, dict):
average_embedded = average_embedded.dict()
average = average_embedded["data"][0]["embedding"]
else:
average = np.average(_result, axis=0, weights=num_tokens_in_batch[i])
embeddings[i] = (average / np.linalg.norm(average)).tolist()
return embeddings
def embed_documents(
self, texts: List[str], chunk_size: Optional[int] = 0
) -> List[List[float]]:
"""Call out to OpenAI's embedding endpoint for embedding search docs.
Args:
texts: The list of texts to embed.
chunk_size: The chunk size of embeddings. If None, will use the chunk size
specified by the class.
Returns:
List of embeddings, one for each text.
"""
# NOTE: to keep things simple, we assume the list may contain texts longer
# than the maximum context and use length-safe embedding function.
engine = cast(str, self.deployment)
return self._get_len_safe_embeddings(texts, engine=engine)
async def aembed_documents(
self, texts: List[str], chunk_size: Optional[int] = 0
) -> List[List[float]]:
"""Call out to OpenAI's embedding endpoint async for embedding search docs.
Args:
texts: The list of texts to embed.
chunk_size: The chunk size of embeddings. If None, will use the chunk size
specified by the class.
Returns:
List of embeddings, one for each text.
"""
# NOTE: to keep things simple, we assume the list may contain texts longer
# than the maximum context and use length-safe embedding function.
engine = cast(str, self.deployment)
return await self._aget_len_safe_embeddings(texts, engine=engine)
def embed_query(self, text: str) -> List[float]:
"""Call out to OpenAI's embedding endpoint for embedding query text.
Args:
text: The text to embed.
Returns:
Embedding for the text.
"""
return self.embed_documents([text])[0]
async def aembed_query(self, text: str) -> List[float]:
"""Call out to OpenAI's embedding endpoint async for embedding query text.
Args:
text: The text to embed.
Returns:
Embedding for the text.
"""
embeddings = await self.aembed_documents([text])
return embeddings[0]

7
libs/partners/openai/langchain_openai/llms/__init__.py Normal file
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@ -0,0 +1,7 @@
from langchain_openai.llms.azure import AzureOpenAI
from langchain_openai.llms.base import OpenAI
__all__ = [
"OpenAI",
"AzureOpenAI",
]

190
libs/partners/openai/langchain_openai/llms/azure.py Normal file
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@ -0,0 +1,190 @@
from __future__ import annotations
import logging
import os
from typing import (
Any,
Callable,
Dict,
List,
Mapping,
Union,
)
import openai
from langchain_core.pydantic_v1 import Field, root_validator
from langchain_core.utils import get_from_dict_or_env
from langchain_openai.llms.base import BaseOpenAI
logger = logging.getLogger(__name__)
class AzureOpenAI(BaseOpenAI):
"""Azure-specific OpenAI large language models.
To use, you should have the ``openai`` python package installed, and the
environment variable ``OPENAI_API_KEY`` set with your API key.
Any parameters that are valid to be passed to the openai.create call can be passed
in, even if not explicitly saved on this class.
Example:
.. code-block:: python
from langchain_community.llms import AzureOpenAI
openai = AzureOpenAI(model_name="gpt-3.5-turbo-instruct")
"""
azure_endpoint: Union[str, None] = None
"""Your Azure endpoint, including the resource.
Automatically inferred from env var `AZURE_OPENAI_ENDPOINT` if not provided.
Example: `https://example-resource.azure.openai.com/`
"""
deployment_name: Union[str, None] = Field(default=None, alias="azure_deployment")
"""A model deployment.
If given sets the base client URL to include `/deployments/{azure_deployment}`.
Note: this means you won't be able to use non-deployment endpoints.
"""
openai_api_version: str = Field(default="", alias="api_version")
"""Automatically inferred from env var `OPENAI_API_VERSION` if not provided."""
openai_api_key: Union[str, None] = Field(default=None, alias="api_key")
"""Automatically inferred from env var `AZURE_OPENAI_API_KEY` if not provided."""
azure_ad_token: Union[str, None] = None
"""Your Azure Active Directory token.
Automatically inferred from env var `AZURE_OPENAI_AD_TOKEN` if not provided.
For more:
https://www.microsoft.com/en-us/security/business/identity-access/microsoft-entra-id.
""" # noqa: E501
azure_ad_token_provider: Union[Callable[[], str], None] = None
"""A function that returns an Azure Active Directory token.
Will be invoked on every request.
"""
openai_api_type: str = ""
"""Legacy, for openai<1.0.0 support."""
validate_base_url: bool = True
"""For backwards compatibility. If legacy val openai_api_base is passed in, try to
infer if it is a base_url or azure_endpoint and update accordingly.
"""
@classmethod
def get_lc_namespace(cls) -> List[str]:
"""Get the namespace of the langchain object."""
return ["langchain", "llms", "openai"]
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate that api key and python package exists in environment."""
if values["n"] < 1:
raise ValueError("n must be at least 1.")
if values["streaming"] and values["n"] > 1:
raise ValueError("Cannot stream results when n > 1.")
if values["streaming"] and values["best_of"] > 1:
raise ValueError("Cannot stream results when best_of > 1.")
# Check OPENAI_KEY for backwards compatibility.
# TODO: Remove OPENAI_API_KEY support to avoid possible conflict when using
# other forms of azure credentials.
values["openai_api_key"] = (
values["openai_api_key"]
or os.getenv("AZURE_OPENAI_API_KEY")
or os.getenv("OPENAI_API_KEY")
)
values["azure_endpoint"] = values["azure_endpoint"] or os.getenv(
"AZURE_OPENAI_ENDPOINT"
)
values["azure_ad_token"] = values["azure_ad_token"] or os.getenv(
"AZURE_OPENAI_AD_TOKEN"
)
values["openai_api_base"] = values["openai_api_base"] or os.getenv(
"OPENAI_API_BASE"
)
values["openai_proxy"] = get_from_dict_or_env(
values,
"openai_proxy",
"OPENAI_PROXY",
default="",
)
values["openai_organization"] = (
values["openai_organization"]
or os.getenv("OPENAI_ORG_ID")
or os.getenv("OPENAI_ORGANIZATION")
)
values["openai_api_version"] = values["openai_api_version"] or os.getenv(
"OPENAI_API_VERSION"
)
values["openai_api_type"] = get_from_dict_or_env(
values, "openai_api_type", "OPENAI_API_TYPE", default="azure"
)
# For backwards compatibility. Before openai v1, no distinction was made
# between azure_endpoint and base_url (openai_api_base).
openai_api_base = values["openai_api_base"]
if openai_api_base and values["validate_base_url"]:
if "/openai" not in openai_api_base:
values["openai_api_base"] = (
values["openai_api_base"].rstrip("/") + "/openai"
)
raise ValueError(
"As of openai>=1.0.0, Azure endpoints should be specified via "
"the `azure_endpoint` param not `openai_api_base` "
"(or alias `base_url`)."
)
if values["deployment_name"]:
raise ValueError(
"As of openai>=1.0.0, if `deployment_name` (or alias "
"`azure_deployment`) is specified then "
"`openai_api_base` (or alias `base_url`) should not be. "
"Instead use `deployment_name` (or alias `azure_deployment`) "
"and `azure_endpoint`."
)
values["deployment_name"] = None
client_params = {
"api_version": values["openai_api_version"],
"azure_endpoint": values["azure_endpoint"],
"azure_deployment": values["deployment_name"],
"api_key": values["openai_api_key"],
"azure_ad_token": values["azure_ad_token"],
"azure_ad_token_provider": values["azure_ad_token_provider"],
"organization": values["openai_organization"],
"base_url": values["openai_api_base"],
"timeout": values["request_timeout"],
"max_retries": values["max_retries"],
"default_headers": values["default_headers"],
"default_query": values["default_query"],
"http_client": values["http_client"],
}
values["client"] = openai.AzureOpenAI(**client_params).completions
values["async_client"] = openai.AsyncAzureOpenAI(**client_params).completions
return values
@property
def _identifying_params(self) -> Mapping[str, Any]:
return {
**{"deployment_name": self.deployment_name},
**super()._identifying_params,
}
@property
def _invocation_params(self) -> Dict[str, Any]:
openai_params = {"model": self.deployment_name}
return {**openai_params, **super()._invocation_params}
@property
def _llm_type(self) -> str:
"""Return type of llm."""
return "azure"
@property
def lc_attributes(self) -> Dict[str, Any]:
return {
"openai_api_type": self.openai_api_type,
"openai_api_version": self.openai_api_version,
}

611
libs/partners/openai/langchain_openai/llms/base.py Normal file
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@ -0,0 +1,611 @@
from __future__ import annotations
import logging
import os
import sys
from typing import (
AbstractSet,
Any,
AsyncIterator,
Collection,
Dict,
Iterator,
List,
Literal,
Mapping,
Optional,
Set,
Tuple,
Union,
)
import openai
import tiktoken
from langchain_core.callbacks import (
AsyncCallbackManagerForLLMRun,
CallbackManagerForLLMRun,
)
from langchain_core.language_models.llms import BaseLLM
from langchain_core.outputs import Generation, GenerationChunk, LLMResult
from langchain_core.pydantic_v1 import Field, root_validator
from langchain_core.utils import get_from_dict_or_env, get_pydantic_field_names
from langchain_core.utils.utils import build_extra_kwargs
logger = logging.getLogger(__name__)
def _update_token_usage(
keys: Set[str], response: Dict[str, Any], token_usage: Dict[str, Any]
) -> None:
"""Update token usage."""
_keys_to_use = keys.intersection(response["usage"])
for _key in _keys_to_use:
if _key not in token_usage:
token_usage[_key] = response["usage"][_key]
else:
token_usage[_key] += response["usage"][_key]
def _stream_response_to_generation_chunk(
stream_response: Dict[str, Any],
) -> GenerationChunk:
"""Convert a stream response to a generation chunk."""
if not stream_response["choices"]:
return GenerationChunk(text="")
return GenerationChunk(
text=stream_response["choices"][0]["text"],
generation_info=dict(
finish_reason=stream_response["choices"][0].get("finish_reason", None),
logprobs=stream_response["choices"][0].get("logprobs", None),
),
)
class BaseOpenAI(BaseLLM):
"""Base OpenAI large language model class."""
@property
def lc_secrets(self) -> Dict[str, str]:
return {"openai_api_key": "OPENAI_API_KEY"}
@property
def lc_attributes(self) -> Dict[str, Any]:
attributes: Dict[str, Any] = {}
if self.openai_api_base:
attributes["openai_api_base"] = self.openai_api_base
if self.openai_organization:
attributes["openai_organization"] = self.openai_organization
if self.openai_proxy:
attributes["openai_proxy"] = self.openai_proxy
return attributes
client: Any = Field(default=None, exclude=True) #: :meta private:
async_client: Any = Field(default=None, exclude=True) #: :meta private:
model_name: str = Field(default="gpt-3.5-turbo-instruct", alias="model")
"""Model name to use."""
temperature: float = 0.7
"""What sampling temperature to use."""
max_tokens: int = 256
"""The maximum number of tokens to generate in the completion.
-1 returns as many tokens as possible given the prompt and
the models maximal context size."""
top_p: float = 1
"""Total probability mass of tokens to consider at each step."""
frequency_penalty: float = 0
"""Penalizes repeated tokens according to frequency."""
presence_penalty: float = 0
"""Penalizes repeated tokens."""
n: int = 1
"""How many completions to generate for each prompt."""
best_of: int = 1
"""Generates best_of completions server-side and returns the "best"."""
model_kwargs: Dict[str, Any] = Field(default_factory=dict)
"""Holds any model parameters valid for `create` call not explicitly specified."""
# When updating this to use a SecretStr
# Check for classes that derive from this class (as some of them
# may assume openai_api_key is a str)
openai_api_key: Optional[str] = Field(default=None, alias="api_key")
"""Automatically inferred from env var `OPENAI_API_KEY` if not provided."""
openai_api_base: Optional[str] = Field(default=None, alias="base_url")
"""Base URL path for API requests, leave blank if not using a proxy or service
emulator."""
openai_organization: Optional[str] = Field(default=None, alias="organization")
"""Automatically inferred from env var `OPENAI_ORG_ID` if not provided."""
# to support explicit proxy for OpenAI
openai_proxy: Optional[str] = None
batch_size: int = 20
"""Batch size to use when passing multiple documents to generate."""
request_timeout: Union[float, Tuple[float, float], Any, None] = Field(
default=None, alias="timeout"
)
"""Timeout for requests to OpenAI completion API. Can be float, httpx.Timeout or
None."""
logit_bias: Optional[Dict[str, float]] = Field(default_factory=dict)
"""Adjust the probability of specific tokens being generated."""
max_retries: int = 2
"""Maximum number of retries to make when generating."""
streaming: bool = False
"""Whether to stream the results or not."""
allowed_special: Union[Literal["all"], AbstractSet[str]] = set()
"""Set of special tokens that are allowed。"""
disallowed_special: Union[Literal["all"], Collection[str]] = "all"
"""Set of special tokens that are not allowed。"""
tiktoken_model_name: Optional[str] = None
"""The model name to pass to tiktoken when using this class.
Tiktoken is used to count the number of tokens in documents to constrain
them to be under a certain limit. By default, when set to None, this will
be the same as the embedding model name. However, there are some cases
where you may want to use this Embedding class with a model name not
supported by tiktoken. This can include when using Azure embeddings or
when using one of the many model providers that expose an OpenAI-like
API but with different models. In those cases, in order to avoid erroring
when tiktoken is called, you can specify a model name to use here."""
default_headers: Union[Mapping[str, str], None] = None
default_query: Union[Mapping[str, object], None] = None
# Configure a custom httpx client. See the
# [httpx documentation](https://www.python-httpx.org/api/#client) for more details.
http_client: Union[Any, None] = None
"""Optional httpx.Client."""
class Config:
"""Configuration for this pydantic object."""
allow_population_by_field_name = True
@root_validator(pre=True)
def build_extra(cls, values: Dict[str, Any]) -> Dict[str, Any]:
"""Build extra kwargs from additional params that were passed in."""
all_required_field_names = get_pydantic_field_names(cls)
extra = values.get("model_kwargs", {})
values["model_kwargs"] = build_extra_kwargs(
extra, values, all_required_field_names
)
return values
@root_validator()
def validate_environment(cls, values: Dict) -> Dict:
"""Validate that api key and python package exists in environment."""
if values["n"] < 1:
raise ValueError("n must be at least 1.")
if values["streaming"] and values["n"] > 1:
raise ValueError("Cannot stream results when n > 1.")
if values["streaming"] and values["best_of"] > 1:
raise ValueError("Cannot stream results when best_of > 1.")
values["openai_api_key"] = get_from_dict_or_env(
values, "openai_api_key", "OPENAI_API_KEY"
)
values["openai_api_base"] = values["openai_api_base"] or os.getenv(
"OPENAI_API_BASE"
)
values["openai_proxy"] = get_from_dict_or_env(
values,
"openai_proxy",
"OPENAI_PROXY",
default="",
)
values["openai_organization"] = (
values["openai_organization"]
or os.getenv("OPENAI_ORG_ID")
or os.getenv("OPENAI_ORGANIZATION")
)
client_params = {
"api_key": values["openai_api_key"],
"organization": values["openai_organization"],
"base_url": values["openai_api_base"],
"timeout": values["request_timeout"],
"max_retries": values["max_retries"],
"default_headers": values["default_headers"],
"default_query": values["default_query"],
"http_client": values["http_client"],
}
if not values.get("client"):
values["client"] = openai.OpenAI(**client_params).completions
if not values.get("async_client"):
values["async_client"] = openai.AsyncOpenAI(**client_params).completions
return values
@property
def _default_params(self) -> Dict[str, Any]:
"""Get the default parameters for calling OpenAI API."""
normal_params: Dict[str, Any] = {
"temperature": self.temperature,
"top_p": self.top_p,
"frequency_penalty": self.frequency_penalty,
"presence_penalty": self.presence_penalty,
"n": self.n,
"logit_bias": self.logit_bias,
}
if self.max_tokens is not None:
normal_params["max_tokens"] = self.max_tokens
# Azure gpt-35-turbo doesn't support best_of
# don't specify best_of if it is 1
if self.best_of > 1:
normal_params["best_of"] = self.best_of
return {**normal_params, **self.model_kwargs}
def _stream(
self,
prompt: str,
stop: Optional[List[str]] = None,
run_manager: Optional[CallbackManagerForLLMRun] = None,
**kwargs: Any,
) -> Iterator[GenerationChunk]:
params = {**self._invocation_params, **kwargs, "stream": True}
self.get_sub_prompts(params, [prompt], stop) # this mutates params
for stream_resp in self.client.create(prompt=prompt, **params):
if not isinstance(stream_resp, dict):
stream_resp = stream_resp.dict()
chunk = _stream_response_to_generation_chunk(stream_resp)
yield chunk
if run_manager:
run_manager.on_llm_new_token(
chunk.text,
chunk=chunk,
verbose=self.verbose,
logprobs=chunk.generation_info["logprobs"]
if chunk.generation_info
else None,
)
async def _astream(
self,
prompt: str,
stop: Optional[List[str]] = None,
run_manager: Optional[AsyncCallbackManagerForLLMRun] = None,
**kwargs: Any,
) -> AsyncIterator[GenerationChunk]:
params = {**self._invocation_params, **kwargs, "stream": True}
self.get_sub_prompts(params, [prompt], stop) # this mutates params
async for stream_resp in await self.async_client.create(
prompt=prompt, **params
):
if not isinstance(stream_resp, dict):
stream_resp = stream_resp.dict()
chunk = _stream_response_to_generation_chunk(stream_resp)
yield chunk
if run_manager:
await run_manager.on_llm_new_token(
chunk.text,
chunk=chunk,
verbose=self.verbose,
logprobs=chunk.generation_info["logprobs"]
if chunk.generation_info
else None,
)
def _generate(
self,
prompts: List[str],
stop: Optional[List[str]] = None,
run_manager: Optional[CallbackManagerForLLMRun] = None,
**kwargs: Any,
) -> LLMResult:
"""Call out to OpenAI's endpoint with k unique prompts.
Args:
prompts: The prompts to pass into the model.
stop: Optional list of stop words to use when generating.
Returns:
The full LLM output.
Example:
.. code-block:: python
response = openai.generate(["Tell me a joke."])
"""
# TODO: write a unit test for this
params = self._invocation_params
params = {**params, **kwargs}
sub_prompts = self.get_sub_prompts(params, prompts, stop)
choices = []
token_usage: Dict[str, int] = {}
# Get the token usage from the response.
# Includes prompt, completion, and total tokens used.
_keys = {"completion_tokens", "prompt_tokens", "total_tokens"}
system_fingerprint: Optional[str] = None
for _prompts in sub_prompts:
if self.streaming:
if len(_prompts) > 1:
raise ValueError("Cannot stream results with multiple prompts.")
generation: Optional[GenerationChunk] = None
for chunk in self._stream(_prompts[0], stop, run_manager, **kwargs):
if generation is None:
generation = chunk
else:
generation += chunk
assert generation is not None
choices.append(
{
"text": generation.text,
"finish_reason": generation.generation_info.get("finish_reason")
if generation.generation_info
else None,
"logprobs": generation.generation_info.get("logprobs")
if generation.generation_info
else None,
}
)
else:
response = self.client.create(prompt=_prompts, **params)
if not isinstance(response, dict):
# V1 client returns the response in an PyDantic object instead of
# dict. For the transition period, we deep convert it to dict.
response = response.dict()
choices.extend(response["choices"])
_update_token_usage(_keys, response, token_usage)
if not system_fingerprint:
system_fingerprint = response.get("system_fingerprint")
return self.create_llm_result(
choices,
prompts,
params,
token_usage,
system_fingerprint=system_fingerprint,
)
async def _agenerate(
self,
prompts: List[str],
stop: Optional[List[str]] = None,
run_manager: Optional[AsyncCallbackManagerForLLMRun] = None,
**kwargs: Any,
) -> LLMResult:
"""Call out to OpenAI's endpoint async with k unique prompts."""
params = self._invocation_params
params = {**params, **kwargs}
sub_prompts = self.get_sub_prompts(params, prompts, stop)
choices = []
token_usage: Dict[str, int] = {}
# Get the token usage from the response.
# Includes prompt, completion, and total tokens used.
_keys = {"completion_tokens", "prompt_tokens", "total_tokens"}
system_fingerprint: Optional[str] = None
for _prompts in sub_prompts:
if self.streaming:
if len(_prompts) > 1:
raise ValueError("Cannot stream results with multiple prompts.")
generation: Optional[GenerationChunk] = None
async for chunk in self._astream(
_prompts[0], stop, run_manager, **kwargs
):
if generation is None:
generation = chunk
else:
generation += chunk
assert generation is not None
choices.append(
{
"text": generation.text,
"finish_reason": generation.generation_info.get("finish_reason")
if generation.generation_info
else None,
"logprobs": generation.generation_info.get("logprobs")
if generation.generation_info
else None,
}
)
else:
response = await self.async_client.create(prompt=_prompts, **params)
if not isinstance(response, dict):
response = response.dict()
choices.extend(response["choices"])
_update_token_usage(_keys, response, token_usage)
return self.create_llm_result(
choices,
prompts,
params,
token_usage,
system_fingerprint=system_fingerprint,
)
def get_sub_prompts(
self,
params: Dict[str, Any],
prompts: List[str],
stop: Optional[List[str]] = None,
) -> List[List[str]]:
"""Get the sub prompts for llm call."""
if stop is not None:
if "stop" in params:
raise ValueError("`stop` found in both the input and default params.")
params["stop"] = stop
if params["max_tokens"] == -1:
if len(prompts) != 1:
raise ValueError(
"max_tokens set to -1 not supported for multiple inputs."
)
params["max_tokens"] = self.max_tokens_for_prompt(prompts[0])
sub_prompts = [
prompts[i : i + self.batch_size]
for i in range(0, len(prompts), self.batch_size)
]
return sub_prompts
def create_llm_result(
self,
choices: Any,
prompts: List[str],
params: Dict[str, Any],
token_usage: Dict[str, int],
*,
system_fingerprint: Optional[str] = None,
) -> LLMResult:
"""Create the LLMResult from the choices and prompts."""
generations = []
n = params.get("n", self.n)
for i, _ in enumerate(prompts):
sub_choices = choices[i * n : (i + 1) * n]
generations.append(
[
Generation(
text=choice["text"],
generation_info=dict(
finish_reason=choice.get("finish_reason"),
logprobs=choice.get("logprobs"),
),
)
for choice in sub_choices
]
)
llm_output = {"token_usage": token_usage, "model_name": self.model_name}
if system_fingerprint:
llm_output["system_fingerprint"] = system_fingerprint
return LLMResult(generations=generations, llm_output=llm_output)
@property
def _invocation_params(self) -> Dict[str, Any]:
"""Get the parameters used to invoke the model."""
return self._default_params
@property
def _identifying_params(self) -> Mapping[str, Any]:
"""Get the identifying parameters."""
return {**{"model_name": self.model_name}, **self._default_params}
@property
def _llm_type(self) -> str:
"""Return type of llm."""
return "openai"
def get_token_ids(self, text: str) -> List[int]:
"""Get the token IDs using the tiktoken package."""
# tiktoken NOT supported for Python < 3.8
if sys.version_info[1] < 8:
return super().get_num_tokens(text)
model_name = self.tiktoken_model_name or self.model_name
try:
enc = tiktoken.encoding_for_model(model_name)
except KeyError:
logger.warning("Warning: model not found. Using cl100k_base encoding.")
model = "cl100k_base"
enc = tiktoken.get_encoding(model)
return enc.encode(
text,
allowed_special=self.allowed_special,
disallowed_special=self.disallowed_special,
)
@staticmethod
def modelname_to_contextsize(modelname: str) -> int:
"""Calculate the maximum number of tokens possible to generate for a model.
Args:
modelname: The modelname we want to know the context size for.
Returns:
The maximum context size
Example:
.. code-block:: python
max_tokens = openai.modelname_to_contextsize("gpt-3.5-turbo-instruct")
"""
model_token_mapping = {
"gpt-4": 8192,
"gpt-4-0314": 8192,
"gpt-4-0613": 8192,
"gpt-4-32k": 32768,
"gpt-4-32k-0314": 32768,
"gpt-4-32k-0613": 32768,
"gpt-3.5-turbo": 4096,
"gpt-3.5-turbo-0301": 4096,
"gpt-3.5-turbo-0613": 4096,
"gpt-3.5-turbo-16k": 16385,
"gpt-3.5-turbo-16k-0613": 16385,
"gpt-3.5-turbo-instruct": 4096,
"text-ada-001": 2049,
"ada": 2049,
"text-babbage-001": 2040,
"babbage": 2049,
"text-curie-001": 2049,
"curie": 2049,
"davinci": 2049,
"text-davinci-003": 4097,
"text-davinci-002": 4097,
"code-davinci-002": 8001,
"code-davinci-001": 8001,
"code-cushman-002": 2048,
"code-cushman-001": 2048,
}
# handling finetuned models
if "ft-" in modelname:
modelname = modelname.split(":")[0]
context_size = model_token_mapping.get(modelname, None)
if context_size is None:
raise ValueError(
f"Unknown model: {modelname}. Please provide a valid OpenAI model name."
"Known models are: " + ", ".join(model_token_mapping.keys())
)
return context_size
@property
def max_context_size(self) -> int:
"""Get max context size for this model."""
return self.modelname_to_contextsize(self.model_name)
def max_tokens_for_prompt(self, prompt: str) -> int:
"""Calculate the maximum number of tokens possible to generate for a prompt.
Args:
prompt: The prompt to pass into the model.
Returns:
The maximum number of tokens to generate for a prompt.
Example:
.. code-block:: python
max_tokens = openai.max_token_for_prompt("Tell me a joke.")
"""
num_tokens = self.get_num_tokens(prompt)
return self.max_context_size - num_tokens
class OpenAI(BaseOpenAI):
"""OpenAI large language models.
To use, you should have the ``openai`` python package installed, and the
environment variable ``OPENAI_API_KEY`` set with your API key.
Any parameters that are valid to be passed to the openai.create call can be passed
in, even if not explicitly saved on this class.
Example:
.. code-block:: python
from langchain_community.llms import OpenAI
openai = OpenAI(model_name="gpt-3.5-turbo-instruct")
"""
@classmethod
def get_lc_namespace(cls) -> List[str]:
"""Get the namespace of the langchain object."""
return ["langchain", "llms", "openai"]
@classmethod
def is_lc_serializable(cls) -> bool:
"""Return whether this model can be serialized by Langchain."""
return True
@property
def _invocation_params(self) -> Dict[str, Any]:
return {**{"model": self.model_name}, **super()._invocation_params}

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libs/partners/openai/langchain_openai/py.typed Normal file
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97
libs/partners/openai/pyproject.toml Normal file
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[tool.poetry]
name = "langchain-openai"
version = "0.0.1"
description = "An integration package connecting OpenAI and LangChain"
authors = []
readme = "README.md"
[tool.poetry.dependencies]
python = ">=3.8.1,<4.0"
langchain-core = ">=0.0.12"
openai = "^1.6.1"
numpy = "^1"
tiktoken = "^0.5.2"
[tool.poetry.group.test]
optional = true
[tool.poetry.group.test.dependencies]
pytest = "^7.3.0"
freezegun = "^1.2.2"
pytest-mock = "^3.10.0"
syrupy = "^4.0.2"
pytest-watcher = "^0.3.4"
pytest-asyncio = "^0.21.1"
langchain-core = {path = "../../core", develop = true}
[tool.poetry.group.codespell]
optional = true
[tool.poetry.group.codespell.dependencies]
codespell = "^2.2.0"
[tool.poetry.group.test_integration]
optional = true
[tool.poetry.group.test_integration.dependencies]
[tool.poetry.group.lint]
optional = true
[tool.poetry.group.lint.dependencies]
ruff = "^0.1.5"
[tool.poetry.group.typing.dependencies]
mypy = "^0.991"
langchain-core = {path = "../../core", develop = true}
types-tqdm = "^4.66.0.5"
[tool.poetry.group.dev]
optional = true
[tool.poetry.group.dev.dependencies]
langchain-core = {path = "../../core", develop = true}
[tool.ruff]
select = [
"E", # pycodestyle
"F", # pyflakes
"I", # isort
]
[tool.mypy]
disallow_untyped_defs = "True"
[[tool.mypy.overrides]]
module = "transformers"
ignore_missing_imports = true
[tool.coverage.run]
omit = [
"tests/*",
]
[build-system]
requires = ["poetry-core>=1.0.0"]
build-backend = "poetry.core.masonry.api"
[tool.pytest.ini_options]
# --strict-markers will raise errors on unknown marks.
# https://docs.pytest.org/en/7.1.x/how-to/mark.html#raising-errors-on-unknown-marks
#
# https://docs.pytest.org/en/7.1.x/reference/reference.html
# --strict-config any warnings encountered while parsing the `pytest`
# section of the configuration file raise errors.
#
# https://github.com/tophat/syrupy
# --snapshot-warn-unused Prints a warning on unused snapshots rather than fail the test suite.
addopts = "--snapshot-warn-unused --strict-markers --strict-config --durations=5"
# Registering custom markers.
# https://docs.pytest.org/en/7.1.x/example/markers.html#registering-markers
markers = [
"requires: mark tests as requiring a specific library",
"asyncio: mark tests as requiring asyncio",
"compile: mark placeholder test used to compile integration tests without running them",
"scheduled: mark tests to run in scheduled testing",
]
asyncio_mode = "auto"

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import sys
import traceback
from importlib.machinery import SourceFileLoader
if __name__ == "__main__":
files = sys.argv[1:]
has_failure = False
for file in files:
try:
SourceFileLoader("x", file).load_module()
except Exception:
has_faillure = True
print(file)
traceback.print_exc()
print()
sys.exit(1 if has_failure else 0)

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libs/partners/openai/scripts/check_pydantic.sh Executable file
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#!/bin/bash
#
# This script searches for lines starting with "import pydantic" or "from pydantic"
# in tracked files within a Git repository.
#
# Usage: ./scripts/check_pydantic.sh /path/to/repository
# Check if a path argument is provided
if [ $# -ne 1 ]; then
echo "Usage: $0 /path/to/repository"
exit 1
fi
repository_path="$1"
# Search for lines matching the pattern within the specified repository
result=$(git -C "$repository_path" grep -E '^import pydantic|^from pydantic')
# Check if any matching lines were found
if [ -n "$result" ]; then
echo "ERROR: The following lines need to be updated:"
echo "$result"
echo "Please replace the code with an import from langchain_core.pydantic_v1."
echo "For example, replace 'from pydantic import BaseModel'"
echo "with 'from langchain_core.pydantic_v1 import BaseModel'"
exit 1
fi

17
libs/partners/openai/scripts/lint_imports.sh Executable file
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#!/bin/bash
set -eu
# Initialize a variable to keep track of errors
errors=0
# make sure not importing from langchain or langchain_experimental
git --no-pager grep '^from langchain\.' . && errors=$((errors+1))
git --no-pager grep '^from langchain_experimental\.' . && errors=$((errors+1))
# Decide on an exit status based on the errors
if [ "$errors" -gt 0 ]; then
exit 1
else
exit 0
fi

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libs/partners/openai/tests/integration_tests/chat_models/test_azure.py Normal file
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"""Test AzureChatOpenAI wrapper."""
import os
from typing import Any
import pytest
from langchain_core.callbacks import CallbackManager
from langchain_core.messages import BaseMessage, HumanMessage
from langchain_core.outputs import ChatGeneration, ChatResult, LLMResult
from langchain_openai import AzureChatOpenAI
from tests.unit_tests.fake.callbacks import FakeCallbackHandler
OPENAI_API_VERSION = os.environ.get("AZURE_OPENAI_API_VERSION", "")
OPENAI_API_BASE = os.environ.get("AZURE_OPENAI_API_BASE", "")
OPENAI_API_KEY = os.environ.get("AZURE_OPENAI_API_KEY", "")
DEPLOYMENT_NAME = os.environ.get(
"AZURE_OPENAI_DEPLOYMENT_NAME",
os.environ.get("AZURE_OPENAI_CHAT_DEPLOYMENT_NAME", ""),
)
def _get_llm(**kwargs: Any) -> AzureChatOpenAI:
return AzureChatOpenAI(
deployment_name=DEPLOYMENT_NAME,
openai_api_version=OPENAI_API_VERSION,
azure_endpoint=OPENAI_API_BASE,
openai_api_key=OPENAI_API_KEY,
**kwargs,
)
@pytest.mark.scheduled
@pytest.fixture
def llm() -> AzureChatOpenAI:
return _get_llm(
max_tokens=10,
)
def test_chat_openai(llm: AzureChatOpenAI) -> None:
"""Test AzureChatOpenAI wrapper."""
message = HumanMessage(content="Hello")
response = llm([message])
assert isinstance(response, BaseMessage)
assert isinstance(response.content, str)
@pytest.mark.scheduled
def test_chat_openai_generate() -> None:
"""Test AzureChatOpenAI wrapper with generate."""
chat = _get_llm(max_tokens=10, n=2)
message = HumanMessage(content="Hello")
response = chat.generate([[message], [message]])
assert isinstance(response, LLMResult)
assert len(response.generations) == 2
for generations in response.generations:
assert len(generations) == 2
for generation in generations:
assert isinstance(generation, ChatGeneration)
assert isinstance(generation.text, str)
assert generation.text == generation.message.content
@pytest.mark.scheduled
def test_chat_openai_multiple_completions() -> None:
"""Test AzureChatOpenAI wrapper with multiple completions."""
chat = _get_llm(max_tokens=10, n=5)
message = HumanMessage(content="Hello")
response = chat._generate([message])
assert isinstance(response, ChatResult)
assert len(response.generations) == 5
for generation in response.generations:
assert isinstance(generation.message, BaseMessage)
assert isinstance(generation.message.content, str)
@pytest.mark.scheduled
def test_chat_openai_streaming() -> None:
"""Test that streaming correctly invokes on_llm_new_token callback."""
callback_handler = FakeCallbackHandler()
callback_manager = CallbackManager([callback_handler])
chat = _get_llm(
max_tokens=10,
streaming=True,
temperature=0,
callback_manager=callback_manager,
verbose=True,
)
message = HumanMessage(content="Hello")
response = chat([message])
assert callback_handler.llm_streams > 0
assert isinstance(response, BaseMessage)
@pytest.mark.scheduled
def test_chat_openai_streaming_generation_info() -> None:
"""Test that generation info is preserved when streaming."""
class _FakeCallback(FakeCallbackHandler):
saved_things: dict = {}
def on_llm_end(
self,
*args: Any,
**kwargs: Any,
) -> Any:
# Save the generation
self.saved_things["generation"] = args[0]
callback = _FakeCallback()
callback_manager = CallbackManager([callback])
chat = _get_llm(
max_tokens=2,
temperature=0,
callback_manager=callback_manager,
)
list(chat.stream("hi"))
generation = callback.saved_things["generation"]
# `Hello!` is two tokens, assert that that is what is returned
assert generation.generations[0][0].text == "Hello!"
@pytest.mark.scheduled
async def test_async_chat_openai() -> None:
"""Test async generation."""
chat = _get_llm(max_tokens=10, n=2)
message = HumanMessage(content="Hello")
response = await chat.agenerate([[message], [message]])
assert isinstance(response, LLMResult)
assert len(response.generations) == 2
for generations in response.generations:
assert len(generations) == 2
for generation in generations:
assert isinstance(generation, ChatGeneration)
assert isinstance(generation.text, str)
assert generation.text == generation.message.content
@pytest.mark.scheduled
async def test_async_chat_openai_streaming() -> None:
"""Test that streaming correctly invokes on_llm_new_token callback."""
callback_handler = FakeCallbackHandler()
callback_manager = CallbackManager([callback_handler])
chat = _get_llm(
max_tokens=10,
streaming=True,
temperature=0,
callback_manager=callback_manager,
verbose=True,
)
message = HumanMessage(content="Hello")
response = await chat.agenerate([[message], [message]])
assert callback_handler.llm_streams > 0
assert isinstance(response, LLMResult)
assert len(response.generations) == 2
for generations in response.generations:
assert len(generations) == 1
for generation in generations:
assert isinstance(generation, ChatGeneration)
assert isinstance(generation.text, str)
assert generation.text == generation.message.content
@pytest.mark.scheduled
def test_openai_streaming(llm: AzureChatOpenAI) -> None:
"""Test streaming tokens from OpenAI."""
for token in llm.stream("I'm Pickle Rick"):
assert isinstance(token.content, str)
@pytest.mark.scheduled
async def test_openai_astream(llm: AzureChatOpenAI) -> None:
"""Test streaming tokens from OpenAI."""
async for token in llm.astream("I'm Pickle Rick"):
assert isinstance(token.content, str)
@pytest.mark.scheduled
async def test_openai_abatch(llm: AzureChatOpenAI) -> None:
"""Test streaming tokens from AzureChatOpenAI."""
result = await llm.abatch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token.content, str)
@pytest.mark.scheduled
async def test_openai_abatch_tags(llm: AzureChatOpenAI) -> None:
"""Test batch tokens from AzureChatOpenAI."""
result = await llm.abatch(
["I'm Pickle Rick", "I'm not Pickle Rick"], config={"tags": ["foo"]}
)
for token in result:
assert isinstance(token.content, str)
@pytest.mark.scheduled
def test_openai_batch(llm: AzureChatOpenAI) -> None:
"""Test batch tokens from AzureChatOpenAI."""
result = llm.batch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token.content, str)
@pytest.mark.scheduled
async def test_openai_ainvoke(llm: AzureChatOpenAI) -> None:
"""Test invoke tokens from AzureChatOpenAI."""
result = await llm.ainvoke("I'm Pickle Rick", config={"tags": ["foo"]})
assert isinstance(result.content, str)
@pytest.mark.scheduled
def test_openai_invoke(llm: AzureChatOpenAI) -> None:
"""Test invoke tokens from AzureChatOpenAI."""
result = llm.invoke("I'm Pickle Rick", config=dict(tags=["foo"]))
assert isinstance(result.content, str)

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libs/partners/openai/tests/integration_tests/chat_models/test_base.py Normal file
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"""Test ChatOpenAI chat model."""
from typing import Any, Optional
import pytest
from langchain_core.callbacks import CallbackManager
from langchain_core.messages import AIMessage, BaseMessage, HumanMessage, SystemMessage
from langchain_core.outputs import (
ChatGeneration,
ChatResult,
LLMResult,
)
from langchain_core.prompts import ChatPromptTemplate
from langchain_core.pydantic_v1 import BaseModel, Field
from langchain_openai import ChatOpenAI
from tests.unit_tests.fake.callbacks import FakeCallbackHandler
@pytest.mark.scheduled
def test_chat_openai() -> None:
"""Test ChatOpenAI wrapper."""
chat = ChatOpenAI(
temperature=0.7,
base_url=None,
organization=None,
openai_proxy=None,
timeout=10.0,
max_retries=3,
http_client=None,
n=1,
max_tokens=10,
default_headers=None,
default_query=None,
)
message = HumanMessage(content="Hello")
response = chat([message])
assert isinstance(response, BaseMessage)
assert isinstance(response.content, str)
def test_chat_openai_model() -> None:
"""Test ChatOpenAI wrapper handles model_name."""
chat = ChatOpenAI(model="foo")
assert chat.model_name == "foo"
chat = ChatOpenAI(model_name="bar")
assert chat.model_name == "bar"
def test_chat_openai_system_message() -> None:
"""Test ChatOpenAI wrapper with system message."""
chat = ChatOpenAI(max_tokens=10)
system_message = SystemMessage(content="You are to chat with the user.")
human_message = HumanMessage(content="Hello")
response = chat([system_message, human_message])
assert isinstance(response, BaseMessage)
assert isinstance(response.content, str)
@pytest.mark.scheduled
def test_chat_openai_generate() -> None:
"""Test ChatOpenAI wrapper with generate."""
chat = ChatOpenAI(max_tokens=10, n=2)
message = HumanMessage(content="Hello")
response = chat.generate([[message], [message]])
assert isinstance(response, LLMResult)
assert len(response.generations) == 2
assert response.llm_output
for generations in response.generations:
assert len(generations) == 2
for generation in generations:
assert isinstance(generation, ChatGeneration)
assert isinstance(generation.text, str)
assert generation.text == generation.message.content
@pytest.mark.scheduled
def test_chat_openai_multiple_completions() -> None:
"""Test ChatOpenAI wrapper with multiple completions."""
chat = ChatOpenAI(max_tokens=10, n=5)
message = HumanMessage(content="Hello")
response = chat._generate([message])
assert isinstance(response, ChatResult)
assert len(response.generations) == 5
for generation in response.generations:
assert isinstance(generation.message, BaseMessage)
assert isinstance(generation.message.content, str)
@pytest.mark.scheduled
def test_chat_openai_streaming() -> None:
"""Test that streaming correctly invokes on_llm_new_token callback."""
callback_handler = FakeCallbackHandler()
callback_manager = CallbackManager([callback_handler])
chat = ChatOpenAI(
max_tokens=10,
streaming=True,
temperature=0,
callback_manager=callback_manager,
verbose=True,
)
message = HumanMessage(content="Hello")
response = chat([message])
assert callback_handler.llm_streams > 0
assert isinstance(response, BaseMessage)
@pytest.mark.scheduled
def test_chat_openai_streaming_generation_info() -> None:
"""Test that generation info is preserved when streaming."""
class _FakeCallback(FakeCallbackHandler):
saved_things: dict = {}
def on_llm_end(
self,
*args: Any,
**kwargs: Any,
) -> Any:
# Save the generation
self.saved_things["generation"] = args[0]
callback = _FakeCallback()
callback_manager = CallbackManager([callback])
chat = ChatOpenAI(
max_tokens=2,
temperature=0,
callback_manager=callback_manager,
)
list(chat.stream("hi"))
generation = callback.saved_things["generation"]
# `Hello!` is two tokens, assert that that is what is returned
assert generation.generations[0][0].text == "Hello!"
def test_chat_openai_llm_output_contains_model_name() -> None:
"""Test llm_output contains model_name."""
chat = ChatOpenAI(max_tokens=10)
message = HumanMessage(content="Hello")
llm_result = chat.generate([[message]])
assert llm_result.llm_output is not None
assert llm_result.llm_output["model_name"] == chat.model_name
def test_chat_openai_streaming_llm_output_contains_model_name() -> None:
"""Test llm_output contains model_name."""
chat = ChatOpenAI(max_tokens=10, streaming=True)
message = HumanMessage(content="Hello")
llm_result = chat.generate([[message]])
assert llm_result.llm_output is not None
assert llm_result.llm_output["model_name"] == chat.model_name
def test_chat_openai_invalid_streaming_params() -> None:
"""Test that streaming correctly invokes on_llm_new_token callback."""
with pytest.raises(ValueError):
ChatOpenAI(
max_tokens=10,
streaming=True,
temperature=0,
n=5,
)
@pytest.mark.scheduled
async def test_async_chat_openai() -> None:
"""Test async generation."""
chat = ChatOpenAI(max_tokens=10, n=2)
message = HumanMessage(content="Hello")
response = await chat.agenerate([[message], [message]])
assert isinstance(response, LLMResult)
assert len(response.generations) == 2
assert response.llm_output
for generations in response.generations:
assert len(generations) == 2
for generation in generations:
assert isinstance(generation, ChatGeneration)
assert isinstance(generation.text, str)
assert generation.text == generation.message.content
@pytest.mark.scheduled
async def test_async_chat_openai_streaming() -> None:
"""Test that streaming correctly invokes on_llm_new_token callback."""
callback_handler = FakeCallbackHandler()
callback_manager = CallbackManager([callback_handler])
chat = ChatOpenAI(
max_tokens=10,
streaming=True,
temperature=0,
callback_manager=callback_manager,
verbose=True,
)
message = HumanMessage(content="Hello")
response = await chat.agenerate([[message], [message]])
assert callback_handler.llm_streams > 0
assert isinstance(response, LLMResult)
assert len(response.generations) == 2
for generations in response.generations:
assert len(generations) == 1
for generation in generations:
assert isinstance(generation, ChatGeneration)
assert isinstance(generation.text, str)
assert generation.text == generation.message.content
@pytest.mark.scheduled
async def test_async_chat_openai_bind_functions() -> None:
"""Test ChatOpenAI wrapper with multiple completions."""
class Person(BaseModel):
"""Identifying information about a person."""
name: str = Field(..., title="Name", description="The person's name")
age: int = Field(..., title="Age", description="The person's age")
fav_food: Optional[str] = Field(
default=None, title="Fav Food", description="The person's favorite food"
)
chat = ChatOpenAI(
max_tokens=30,
n=1,
streaming=True,
).bind_functions(functions=[Person], function_call="Person")
prompt = ChatPromptTemplate.from_messages(
[
("system", "Use the provided Person function"),
("user", "{input}"),
]
)
chain = prompt | chat
message = HumanMessage(content="Sally is 13 years old")
response = await chain.abatch([{"input": message}])
assert isinstance(response, list)
assert len(response) == 1
for generation in response:
assert isinstance(generation, AIMessage)
def test_chat_openai_extra_kwargs() -> None:
"""Test extra kwargs to chat openai."""
# Check that foo is saved in extra_kwargs.
llm = ChatOpenAI(foo=3, max_tokens=10)
assert llm.max_tokens == 10
assert llm.model_kwargs == {"foo": 3}
# Test that if extra_kwargs are provided, they are added to it.
llm = ChatOpenAI(foo=3, model_kwargs={"bar": 2})
assert llm.model_kwargs == {"foo": 3, "bar": 2}
# Test that if provided twice it errors
with pytest.raises(ValueError):
ChatOpenAI(foo=3, model_kwargs={"foo": 2})
# Test that if explicit param is specified in kwargs it errors
with pytest.raises(ValueError):
ChatOpenAI(model_kwargs={"temperature": 0.2})
# Test that "model" cannot be specified in kwargs
with pytest.raises(ValueError):
ChatOpenAI(model_kwargs={"model": "gpt-3.5-turbo-instruct"})
@pytest.mark.scheduled
def test_openai_streaming() -> None:
"""Test streaming tokens from OpenAI."""
llm = ChatOpenAI(max_tokens=10)
for token in llm.stream("I'm Pickle Rick"):
assert isinstance(token.content, str)
@pytest.mark.scheduled
async def test_openai_astream() -> None:
"""Test streaming tokens from OpenAI."""
llm = ChatOpenAI(max_tokens=10)
async for token in llm.astream("I'm Pickle Rick"):
assert isinstance(token.content, str)
@pytest.mark.scheduled
async def test_openai_abatch() -> None:
"""Test streaming tokens from ChatOpenAI."""
llm = ChatOpenAI(max_tokens=10)
result = await llm.abatch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token.content, str)
@pytest.mark.scheduled
async def test_openai_abatch_tags() -> None:
"""Test batch tokens from ChatOpenAI."""
llm = ChatOpenAI(max_tokens=10)
result = await llm.abatch(
["I'm Pickle Rick", "I'm not Pickle Rick"], config={"tags": ["foo"]}
)
for token in result:
assert isinstance(token.content, str)
@pytest.mark.scheduled
def test_openai_batch() -> None:
"""Test batch tokens from ChatOpenAI."""
llm = ChatOpenAI(max_tokens=10)
result = llm.batch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token.content, str)
@pytest.mark.scheduled
async def test_openai_ainvoke() -> None:
"""Test invoke tokens from ChatOpenAI."""
llm = ChatOpenAI(max_tokens=10)
result = await llm.ainvoke("I'm Pickle Rick", config={"tags": ["foo"]})
assert isinstance(result.content, str)
@pytest.mark.scheduled
def test_openai_invoke() -> None:
"""Test invoke tokens from ChatOpenAI."""
llm = ChatOpenAI(max_tokens=10)
result = llm.invoke("I'm Pickle Rick", config=dict(tags=["foo"]))
assert isinstance(result.content, str)
def test_stream() -> None:
"""Test streaming tokens from OpenAI."""
llm = ChatOpenAI()
for token in llm.stream("I'm Pickle Rick"):
assert isinstance(token.content, str)
async def test_astream() -> None:
"""Test streaming tokens from OpenAI."""
llm = ChatOpenAI()
async for token in llm.astream("I'm Pickle Rick"):
assert isinstance(token.content, str)
async def test_abatch() -> None:
"""Test streaming tokens from ChatOpenAI."""
llm = ChatOpenAI()
result = await llm.abatch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token.content, str)
async def test_abatch_tags() -> None:
"""Test batch tokens from ChatOpenAI."""
llm = ChatOpenAI()
result = await llm.abatch(
["I'm Pickle Rick", "I'm not Pickle Rick"], config={"tags": ["foo"]}
)
for token in result:
assert isinstance(token.content, str)
def test_batch() -> None:
"""Test batch tokens from ChatOpenAI."""
llm = ChatOpenAI()
result = llm.batch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token.content, str)
async def test_ainvoke() -> None:
"""Test invoke tokens from ChatOpenAI."""
llm = ChatOpenAI()
result = await llm.ainvoke("I'm Pickle Rick", config={"tags": ["foo"]})
assert isinstance(result.content, str)
def test_invoke() -> None:
"""Test invoke tokens from ChatOpenAI."""
llm = ChatOpenAI()
result = llm.invoke("I'm Pickle Rick", config=dict(tags=["foo"]))
assert isinstance(result.content, str)

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"""Test azure openai embeddings."""
import os
from typing import Any
import numpy as np
import openai
import pytest
from langchain_openai import AzureOpenAIEmbeddings
OPENAI_API_VERSION = os.environ.get("AZURE_OPENAI_API_VERSION", "")
OPENAI_API_BASE = os.environ.get("AZURE_OPENAI_API_BASE", "")
OPENAI_API_KEY = os.environ.get("AZURE_OPENAI_API_KEY", "")
DEPLOYMENT_NAME = os.environ.get(
"AZURE_OPENAI_DEPLOYMENT_NAME",
os.environ.get("AZURE_OPENAI_EMBEDDINGS_DEPLOYMENT_NAME", ""),
)
print
def _get_embeddings(**kwargs: Any) -> AzureOpenAIEmbeddings:
return AzureOpenAIEmbeddings(
azure_deployment=DEPLOYMENT_NAME,
api_version=OPENAI_API_VERSION,
openai_api_base=OPENAI_API_BASE,
openai_api_key=OPENAI_API_KEY,
**kwargs,
)
@pytest.mark.scheduled
def test_azure_openai_embedding_documents() -> None:
"""Test openai embeddings."""
documents = ["foo bar"]
embedding = _get_embeddings()
output = embedding.embed_documents(documents)
assert len(output) == 1
assert len(output[0]) == 1536
@pytest.mark.scheduled
def test_azure_openai_embedding_documents_multiple() -> None:
"""Test openai embeddings."""
documents = ["foo bar", "bar foo", "foo"]
embedding = _get_embeddings(chunk_size=2)
embedding.embedding_ctx_length = 8191
output = embedding.embed_documents(documents)
assert embedding.chunk_size == 2
assert len(output) == 3
assert len(output[0]) == 1536
assert len(output[1]) == 1536
assert len(output[2]) == 1536
@pytest.mark.scheduled
def test_azure_openai_embedding_documents_chunk_size() -> None:
"""Test openai embeddings."""
documents = ["foo bar"] * 20
embedding = _get_embeddings()
embedding.embedding_ctx_length = 8191
output = embedding.embed_documents(documents)
# Max 16 chunks per batch on Azure OpenAI embeddings
assert embedding.chunk_size == 16
assert len(output) == 20
assert all([len(out) == 1536 for out in output])
@pytest.mark.scheduled
async def test_azure_openai_embedding_documents_async_multiple() -> None:
"""Test openai embeddings."""
documents = ["foo bar", "bar foo", "foo"]
embedding = _get_embeddings(chunk_size=2)
embedding.embedding_ctx_length = 8191
output = await embedding.aembed_documents(documents)
assert len(output) == 3
assert len(output[0]) == 1536
assert len(output[1]) == 1536
assert len(output[2]) == 1536
@pytest.mark.scheduled
def test_azure_openai_embedding_query() -> None:
"""Test openai embeddings."""
document = "foo bar"
embedding = _get_embeddings()
output = embedding.embed_query(document)
assert len(output) == 1536
@pytest.mark.scheduled
async def test_azure_openai_embedding_async_query() -> None:
"""Test openai embeddings."""
document = "foo bar"
embedding = _get_embeddings()
output = await embedding.aembed_query(document)
assert len(output) == 1536
@pytest.mark.scheduled
def test_azure_openai_embedding_with_empty_string() -> None:
"""Test openai embeddings with empty string."""
document = ["", "abc"]
embedding = _get_embeddings()
output = embedding.embed_documents(document)
assert len(output) == 2
assert len(output[0]) == 1536
expected_output = (
openai.AzureOpenAI(
api_version=OPENAI_API_VERSION,
api_key=OPENAI_API_KEY,
base_url=embedding.openai_api_base,
azure_deployment=DEPLOYMENT_NAME,
) # type: ignore
.embeddings.create(input="", model="text-embedding-ada-002")
.data[0]
.embedding
)
assert np.allclose(output[0], expected_output)
assert len(output[1]) == 1536
@pytest.mark.scheduled
def test_embed_documents_normalized() -> None:
output = _get_embeddings().embed_documents(["foo walked to the market"])
assert np.isclose(np.linalg.norm(output[0]), 1.0)
@pytest.mark.scheduled
def test_embed_query_normalized() -> None:
output = _get_embeddings().embed_query("foo walked to the market")
assert np.isclose(np.linalg.norm(output), 1.0)

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"""Test OpenAI embeddings."""
from langchain_openai.embeddings.base import OpenAIEmbeddings
def test_langchain_openai_embedding_documents() -> None:
"""Test cohere embeddings."""
documents = ["foo bar"]
embedding = OpenAIEmbeddings()
output = embedding.embed_documents(documents)
assert len(output) == 1
assert len(output[0]) > 0
def test_langchain_openai_embedding_query() -> None:
"""Test cohere embeddings."""
document = "foo bar"
embedding = OpenAIEmbeddings()
output = embedding.embed_query(document)
assert len(output) > 0

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"""Test AzureOpenAI wrapper."""
import os
from typing import Any, Generator
import pytest
from langchain_core.callbacks import CallbackManager
from langchain_core.outputs import LLMResult
from langchain_openai import AzureOpenAI
from tests.unit_tests.fake.callbacks import FakeCallbackHandler
OPENAI_API_VERSION = os.environ.get("AZURE_OPENAI_API_VERSION", "")
OPENAI_API_BASE = os.environ.get("AZURE_OPENAI_API_BASE", "")
OPENAI_API_KEY = os.environ.get("AZURE_OPENAI_API_KEY", "")
DEPLOYMENT_NAME = os.environ.get(
"AZURE_OPENAI_DEPLOYMENT_NAME",
os.environ.get("AZURE_OPENAI_LLM_DEPLOYMENT_NAME", ""),
)
def _get_llm(**kwargs: Any) -> AzureOpenAI:
return AzureOpenAI(
deployment_name=DEPLOYMENT_NAME,
openai_api_version=OPENAI_API_VERSION,
openai_api_base=OPENAI_API_BASE,
openai_api_key=OPENAI_API_KEY,
**kwargs,
)
@pytest.fixture
def llm() -> AzureOpenAI:
return _get_llm(
max_tokens=10,
)
@pytest.mark.scheduled
def test_openai_call(llm: AzureOpenAI) -> None:
"""Test valid call to openai."""
output = llm("Say something nice:")
assert isinstance(output, str)
@pytest.mark.scheduled
def test_openai_streaming(llm: AzureOpenAI) -> None:
"""Test streaming tokens from AzureOpenAI."""
generator = llm.stream("I'm Pickle Rick")
assert isinstance(generator, Generator)
full_response = ""
for token in generator:
assert isinstance(token, str)
full_response += token
assert full_response
@pytest.mark.scheduled
async def test_openai_astream(llm: AzureOpenAI) -> None:
"""Test streaming tokens from AzureOpenAI."""
async for token in llm.astream("I'm Pickle Rick"):
assert isinstance(token, str)
@pytest.mark.scheduled
async def test_openai_abatch(llm: AzureOpenAI) -> None:
"""Test streaming tokens from AzureOpenAI."""
result = await llm.abatch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token, str)
async def test_openai_abatch_tags(llm: AzureOpenAI) -> None:
"""Test streaming tokens from AzureOpenAI."""
result = await llm.abatch(
["I'm Pickle Rick", "I'm not Pickle Rick"], config={"tags": ["foo"]}
)
for token in result:
assert isinstance(token, str)
@pytest.mark.scheduled
def test_openai_batch(llm: AzureOpenAI) -> None:
"""Test streaming tokens from AzureOpenAI."""
result = llm.batch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token, str)
@pytest.mark.scheduled
async def test_openai_ainvoke(llm: AzureOpenAI) -> None:
"""Test streaming tokens from AzureOpenAI."""
result = await llm.ainvoke("I'm Pickle Rick", config={"tags": ["foo"]})
assert isinstance(result, str)
@pytest.mark.scheduled
def test_openai_invoke(llm: AzureOpenAI) -> None:
"""Test streaming tokens from AzureOpenAI."""
result = llm.invoke("I'm Pickle Rick", config=dict(tags=["foo"]))
assert isinstance(result, str)
@pytest.mark.scheduled
def test_openai_multiple_prompts(llm: AzureOpenAI) -> None:
"""Test completion with multiple prompts."""
output = llm.generate(["I'm Pickle Rick", "I'm Pickle Rick"])
assert isinstance(output, LLMResult)
assert isinstance(output.generations, list)
assert len(output.generations) == 2
def test_openai_streaming_best_of_error() -> None:
"""Test validation for streaming fails if best_of is not 1."""
with pytest.raises(ValueError):
_get_llm(best_of=2, streaming=True)
def test_openai_streaming_n_error() -> None:
"""Test validation for streaming fails if n is not 1."""
with pytest.raises(ValueError):
_get_llm(n=2, streaming=True)
def test_openai_streaming_multiple_prompts_error() -> None:
"""Test validation for streaming fails if multiple prompts are given."""
with pytest.raises(ValueError):
_get_llm(streaming=True).generate(["I'm Pickle Rick", "I'm Pickle Rick"])
@pytest.mark.scheduled
def test_openai_streaming_call() -> None:
"""Test valid call to openai."""
llm = _get_llm(max_tokens=10, streaming=True)
output = llm("Say foo:")
assert isinstance(output, str)
def test_openai_streaming_callback() -> None:
"""Test that streaming correctly invokes on_llm_new_token callback."""
callback_handler = FakeCallbackHandler()
callback_manager = CallbackManager([callback_handler])
llm = _get_llm(
max_tokens=10,
streaming=True,
temperature=0,
callback_manager=callback_manager,
verbose=True,
)
llm("Write me a sentence with 100 words.")
assert callback_handler.llm_streams == 11
@pytest.mark.scheduled
async def test_openai_async_generate() -> None:
"""Test async generation."""
llm = _get_llm(max_tokens=10)
output = await llm.agenerate(["Hello, how are you?"])
assert isinstance(output, LLMResult)
async def test_openai_async_streaming_callback() -> None:
"""Test that streaming correctly invokes on_llm_new_token callback."""
callback_handler = FakeCallbackHandler()
callback_manager = CallbackManager([callback_handler])
llm = _get_llm(
max_tokens=10,
streaming=True,
temperature=0,
callback_manager=callback_manager,
verbose=True,
)
result = await llm.agenerate(["Write me a sentence with 100 words."])
assert callback_handler.llm_streams == 11
assert isinstance(result, LLMResult)

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"""Test OpenAI llm."""
from typing import Generator
import pytest
from langchain_core.callbacks import CallbackManager
from langchain_core.outputs import LLMResult
from langchain_openai import OpenAI
from tests.unit_tests.fake.callbacks import (
FakeCallbackHandler,
)
def test_stream() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI()
for token in llm.stream("I'm Pickle Rick"):
assert isinstance(token, str)
async def test_astream() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI()
async for token in llm.astream("I'm Pickle Rick"):
assert isinstance(token, str)
async def test_abatch() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI()
result = await llm.abatch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token, str)
async def test_abatch_tags() -> None:
"""Test batch tokens from OpenAI."""
llm = OpenAI()
result = await llm.abatch(
["I'm Pickle Rick", "I'm not Pickle Rick"], config={"tags": ["foo"]}
)
for token in result:
assert isinstance(token, str)
def test_batch() -> None:
"""Test batch tokens from OpenAI."""
llm = OpenAI()
result = llm.batch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token, str)
async def test_ainvoke() -> None:
"""Test invoke tokens from OpenAI."""
llm = OpenAI()
result = await llm.ainvoke("I'm Pickle Rick", config={"tags": ["foo"]})
assert isinstance(result, str)
def test_invoke() -> None:
"""Test invoke tokens from OpenAI."""
llm = OpenAI()
result = llm.invoke("I'm Pickle Rick", config=dict(tags=["foo"]))
assert isinstance(result, str)
@pytest.mark.scheduled
def test_openai_call() -> None:
"""Test valid call to openai."""
llm = OpenAI()
output = llm("Say something nice:")
assert isinstance(output, str)
def test_openai_llm_output_contains_model_name() -> None:
"""Test llm_output contains model_name."""
llm = OpenAI(max_tokens=10)
llm_result = llm.generate(["Hello, how are you?"])
assert llm_result.llm_output is not None
assert llm_result.llm_output["model_name"] == llm.model_name
def test_openai_stop_valid() -> None:
"""Test openai stop logic on valid configuration."""
query = "write an ordered list of five items"
first_llm = OpenAI(stop="3", temperature=0)
first_output = first_llm(query)
second_llm = OpenAI(temperature=0)
second_output = second_llm(query, stop=["3"])
# Because it stops on new lines, shouldn't return anything
assert first_output == second_output
def test_openai_stop_error() -> None:
"""Test openai stop logic on bad configuration."""
llm = OpenAI(stop="3", temperature=0)
with pytest.raises(ValueError):
llm("write an ordered list of five items", stop=["\n"])
@pytest.mark.scheduled
def test_openai_streaming() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI(max_tokens=10)
generator = llm.stream("I'm Pickle Rick")
assert isinstance(generator, Generator)
for token in generator:
assert isinstance(token, str)
@pytest.mark.scheduled
async def test_openai_astream() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI(max_tokens=10)
async for token in llm.astream("I'm Pickle Rick"):
assert isinstance(token, str)
@pytest.mark.scheduled
async def test_openai_abatch() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI(max_tokens=10)
result = await llm.abatch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token, str)
async def test_openai_abatch_tags() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI(max_tokens=10)
result = await llm.abatch(
["I'm Pickle Rick", "I'm not Pickle Rick"], config={"tags": ["foo"]}
)
for token in result:
assert isinstance(token, str)
@pytest.mark.scheduled
def test_openai_batch() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI(max_tokens=10)
result = llm.batch(["I'm Pickle Rick", "I'm not Pickle Rick"])
for token in result:
assert isinstance(token, str)
@pytest.mark.scheduled
async def test_openai_ainvoke() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI(max_tokens=10)
result = await llm.ainvoke("I'm Pickle Rick", config={"tags": ["foo"]})
assert isinstance(result, str)
@pytest.mark.scheduled
def test_openai_invoke() -> None:
"""Test streaming tokens from OpenAI."""
llm = OpenAI(max_tokens=10)
result = llm.invoke("I'm Pickle Rick", config=dict(tags=["foo"]))
assert isinstance(result, str)
@pytest.mark.scheduled
def test_openai_multiple_prompts() -> None:
"""Test completion with multiple prompts."""
llm = OpenAI(max_tokens=10)
output = llm.generate(["I'm Pickle Rick", "I'm Pickle Rick"])
assert isinstance(output, LLMResult)
assert isinstance(output.generations, list)
assert len(output.generations) == 2
def test_openai_streaming_best_of_error() -> None:
"""Test validation for streaming fails if best_of is not 1."""
with pytest.raises(ValueError):
OpenAI(best_of=2, streaming=True)
def test_openai_streaming_n_error() -> None:
"""Test validation for streaming fails if n is not 1."""
with pytest.raises(ValueError):
OpenAI(n=2, streaming=True)
def test_openai_streaming_multiple_prompts_error() -> None:
"""Test validation for streaming fails if multiple prompts are given."""
with pytest.raises(ValueError):
OpenAI(streaming=True).generate(["I'm Pickle Rick", "I'm Pickle Rick"])
@pytest.mark.scheduled
def test_openai_streaming_call() -> None:
"""Test valid call to openai."""
llm = OpenAI(max_tokens=10, streaming=True)
output = llm("Say foo:")
assert isinstance(output, str)
def test_openai_streaming_callback() -> None:
"""Test that streaming correctly invokes on_llm_new_token callback."""
callback_handler = FakeCallbackHandler()
callback_manager = CallbackManager([callback_handler])
llm = OpenAI(
max_tokens=10,
streaming=True,
temperature=0,
callback_manager=callback_manager,
verbose=True,
)
llm("Write me a sentence with 100 words.")
# new client sometimes passes 2 tokens at once
assert callback_handler.llm_streams >= 5
@pytest.mark.scheduled
async def test_openai_async_generate() -> None:
"""Test async generation."""
llm = OpenAI(max_tokens=10)
output = await llm.agenerate(["Hello, how are you?"])
assert isinstance(output, LLMResult)
async def test_openai_async_streaming_callback() -> None:
"""Test that streaming correctly invokes on_llm_new_token callback."""
callback_handler = FakeCallbackHandler()
callback_manager = CallbackManager([callback_handler])
llm = OpenAI(
max_tokens=10,
streaming=True,
temperature=0,
callback_manager=callback_manager,
verbose=True,
)
result = await llm.agenerate(["Write me a sentence with 100 words."])
# new client sometimes passes 2 tokens at once
assert callback_handler.llm_streams >= 5
assert isinstance(result, LLMResult)
def test_openai_modelname_to_contextsize_valid() -> None:
"""Test model name to context size on a valid model."""
assert OpenAI().modelname_to_contextsize("davinci") == 2049
def test_openai_modelname_to_contextsize_invalid() -> None:
"""Test model name to context size on an invalid model."""
with pytest.raises(ValueError):
OpenAI().modelname_to_contextsize("foobar")
@pytest.fixture
def mock_completion() -> dict:
return {
"id": "cmpl-3evkmQda5Hu7fcZavknQda3SQ",
"object": "text_completion",
"created": 1689989000,
"model": "gpt-3.5-turbo-instruct",
"choices": [
{"text": "Bar Baz", "index": 0, "logprobs": None, "finish_reason": "length"}
],
"usage": {"prompt_tokens": 1, "completion_tokens": 2, "total_tokens": 3},
}

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import pytest
@pytest.mark.compile
def test_placeholder() -> None:
"""Used for compiling integration tests without running any real tests."""
pass

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"""Test OpenAI Chat API wrapper."""
import json
from typing import Any
from unittest.mock import MagicMock, patch
import pytest
from langchain_core.messages import (
AIMessage,
FunctionMessage,
HumanMessage,
SystemMessage,
)
from langchain_openai import ChatOpenAI
from langchain_openai.chat_models.base import _convert_dict_to_message
def test_openai_model_param() -> None:
llm = ChatOpenAI(model="foo")
assert llm.model_name == "foo"
llm = ChatOpenAI(model_name="foo")
assert llm.model_name == "foo"
def test_function_message_dict_to_function_message() -> None:
content = json.dumps({"result": "Example #1"})
name = "test_function"
result = _convert_dict_to_message(
{
"role": "function",
"name": name,
"content": content,
}
)
assert isinstance(result, FunctionMessage)
assert result.name == name
assert result.content == content
def test__convert_dict_to_message_human() -> None:
message = {"role": "user", "content": "foo"}
result = _convert_dict_to_message(message)
expected_output = HumanMessage(content="foo")
assert result == expected_output
def test__convert_dict_to_message_ai() -> None:
message = {"role": "assistant", "content": "foo"}
result = _convert_dict_to_message(message)
expected_output = AIMessage(content="foo")
assert result == expected_output
def test__convert_dict_to_message_system() -> None:
message = {"role": "system", "content": "foo"}
result = _convert_dict_to_message(message)
expected_output = SystemMessage(content="foo")
assert result == expected_output
@pytest.fixture
def mock_completion() -> dict:
return {
"id": "chatcmpl-7fcZavknQda3SQ",
"object": "chat.completion",
"created": 1689989000,
"model": "gpt-3.5-turbo-0613",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "Bar Baz",
},
"finish_reason": "stop",
}
],
}
def test_openai_predict(mock_completion: dict) -> None:
llm = ChatOpenAI()
mock_client = MagicMock()
completed = False
def mock_create(*args: Any, **kwargs: Any) -> Any:
nonlocal completed
completed = True
return mock_completion
mock_client.create = mock_create
with patch.object(
llm,
"client",
mock_client,
):
res = llm.predict("bar")
assert res == "Bar Baz"
assert completed
async def test_openai_apredict(mock_completion: dict) -> None:
llm = ChatOpenAI()
mock_client = MagicMock()
completed = False
def mock_create(*args: Any, **kwargs: Any) -> Any:
nonlocal completed
completed = True
return mock_completion
mock_client.create = mock_create
with patch.object(
llm,
"client",
mock_client,
):
res = llm.predict("bar")
assert res == "Bar Baz"
assert completed

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from langchain_openai.chat_models import __all__
EXPECTED_ALL = ["ChatOpenAI", "AzureChatOpenAI"]
def test_all_imports() -> None:
assert sorted(EXPECTED_ALL) == sorted(__all__)

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import os
import pytest
from langchain_openai import OpenAIEmbeddings
os.environ["OPENAI_API_KEY"] = "foo"
def test_openai_invalid_model_kwargs() -> None:
with pytest.raises(ValueError):
OpenAIEmbeddings(model_kwargs={"model": "foo"})
def test_openai_incorrect_field() -> None:
with pytest.warns(match="not default parameter"):
llm = OpenAIEmbeddings(foo="bar")
assert llm.model_kwargs == {"foo": "bar"}

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from langchain_openai.embeddings import __all__
EXPECTED_ALL = ["OpenAIEmbeddings", "AzureOpenAIEmbeddings"]
def test_all_imports() -> None:
assert sorted(EXPECTED_ALL) == sorted(__all__)

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libs/partners/openai/tests/unit_tests/fake/callbacks.py Normal file
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"""A fake callback handler for testing purposes."""
from itertools import chain
from typing import Any, Dict, List, Optional, Union
from uuid import UUID
from langchain_core.callbacks.base import AsyncCallbackHandler, BaseCallbackHandler
from langchain_core.messages import BaseMessage
from langchain_core.pydantic_v1 import BaseModel
class BaseFakeCallbackHandler(BaseModel):
"""Base fake callback handler for testing."""
starts: int = 0
ends: int = 0
errors: int = 0
errors_args: List[Any] = []
text: int = 0
ignore_llm_: bool = False
ignore_chain_: bool = False
ignore_agent_: bool = False
ignore_retriever_: bool = False
ignore_chat_model_: bool = False
# to allow for similar callback handlers that are not technicall equal
fake_id: Union[str, None] = None
# add finer-grained counters for easier debugging of failing tests
chain_starts: int = 0
chain_ends: int = 0
llm_starts: int = 0
llm_ends: int = 0
llm_streams: int = 0
tool_starts: int = 0
tool_ends: int = 0
agent_actions: int = 0
agent_ends: int = 0
chat_model_starts: int = 0
retriever_starts: int = 0
retriever_ends: int = 0
retriever_errors: int = 0
retries: int = 0
class BaseFakeCallbackHandlerMixin(BaseFakeCallbackHandler):
"""Base fake callback handler mixin for testing."""
def on_llm_start_common(self) -> None:
self.llm_starts += 1
self.starts += 1
def on_llm_end_common(self) -> None:
self.llm_ends += 1
self.ends += 1
def on_llm_error_common(self, *args: Any, **kwargs: Any) -> None:
self.errors += 1
self.errors_args.append({"args": args, "kwargs": kwargs})
def on_llm_new_token_common(self) -> None:
self.llm_streams += 1
def on_retry_common(self) -> None:
self.retries += 1
def on_chain_start_common(self) -> None:
self.chain_starts += 1
self.starts += 1
def on_chain_end_common(self) -> None:
self.chain_ends += 1
self.ends += 1
def on_chain_error_common(self) -> None:
self.errors += 1
def on_tool_start_common(self) -> None:
self.tool_starts += 1
self.starts += 1
def on_tool_end_common(self) -> None:
self.tool_ends += 1
self.ends += 1
def on_tool_error_common(self) -> None:
self.errors += 1
def on_agent_action_common(self) -> None:
self.agent_actions += 1
self.starts += 1
def on_agent_finish_common(self) -> None:
self.agent_ends += 1
self.ends += 1
def on_chat_model_start_common(self) -> None:
self.chat_model_starts += 1
self.starts += 1
def on_text_common(self) -> None:
self.text += 1
def on_retriever_start_common(self) -> None:
self.starts += 1
self.retriever_starts += 1
def on_retriever_end_common(self) -> None:
self.ends += 1
self.retriever_ends += 1
def on_retriever_error_common(self) -> None:
self.errors += 1
self.retriever_errors += 1
class FakeCallbackHandler(BaseCallbackHandler, BaseFakeCallbackHandlerMixin):
"""Fake callback handler for testing."""
@property
def ignore_llm(self) -> bool:
"""Whether to ignore LLM callbacks."""
return self.ignore_llm_
@property
def ignore_chain(self) -> bool:
"""Whether to ignore chain callbacks."""
return self.ignore_chain_
@property
def ignore_agent(self) -> bool:
"""Whether to ignore agent callbacks."""
return self.ignore_agent_
@property
def ignore_retriever(self) -> bool:
"""Whether to ignore retriever callbacks."""
return self.ignore_retriever_
def on_llm_start(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_llm_start_common()
def on_llm_new_token(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_llm_new_token_common()
def on_llm_end(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_llm_end_common()
def on_llm_error(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_llm_error_common(*args, **kwargs)
def on_retry(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_retry_common()
def on_chain_start(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_chain_start_common()
def on_chain_end(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_chain_end_common()
def on_chain_error(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_chain_error_common()
def on_tool_start(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_tool_start_common()
def on_tool_end(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_tool_end_common()
def on_tool_error(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_tool_error_common()
def on_agent_action(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_agent_action_common()
def on_agent_finish(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_agent_finish_common()
def on_text(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_text_common()
def on_retriever_start(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_retriever_start_common()
def on_retriever_end(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_retriever_end_common()
def on_retriever_error(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_retriever_error_common()
def __deepcopy__(self, memo: dict) -> "FakeCallbackHandler":
return self
class FakeCallbackHandlerWithChatStart(FakeCallbackHandler):
def on_chat_model_start(
self,
serialized: Dict[str, Any],
messages: List[List[BaseMessage]],
*,
run_id: UUID,
parent_run_id: Optional[UUID] = None,
**kwargs: Any,
) -> Any:
assert all(isinstance(m, BaseMessage) for m in chain(*messages))
self.on_chat_model_start_common()
class FakeAsyncCallbackHandler(AsyncCallbackHandler, BaseFakeCallbackHandlerMixin):
"""Fake async callback handler for testing."""
@property
def ignore_llm(self) -> bool:
"""Whether to ignore LLM callbacks."""
return self.ignore_llm_
@property
def ignore_chain(self) -> bool:
"""Whether to ignore chain callbacks."""
return self.ignore_chain_
@property
def ignore_agent(self) -> bool:
"""Whether to ignore agent callbacks."""
return self.ignore_agent_
async def on_retry(
self,
*args: Any,
**kwargs: Any,
) -> Any:
self.on_retry_common()
async def on_llm_start(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_llm_start_common()
async def on_llm_new_token(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_llm_new_token_common()
async def on_llm_end(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_llm_end_common()
async def on_llm_error(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_llm_error_common(*args, **kwargs)
async def on_chain_start(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_chain_start_common()
async def on_chain_end(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_chain_end_common()
async def on_chain_error(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_chain_error_common()
async def on_tool_start(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_tool_start_common()
async def on_tool_end(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_tool_end_common()
async def on_tool_error(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_tool_error_common()
async def on_agent_action(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_agent_action_common()
async def on_agent_finish(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_agent_finish_common()
async def on_text(
self,
*args: Any,
**kwargs: Any,
) -> None:
self.on_text_common()
def __deepcopy__(self, memo: dict) -> "FakeAsyncCallbackHandler":
return self

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libs/partners/openai/tests/unit_tests/llms/__init__.py Normal file
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import os
import pytest
from langchain_openai import OpenAI
os.environ["OPENAI_API_KEY"] = "foo"
@pytest.mark.requires("openai")
def test_openai_model_param() -> None:
llm = OpenAI(model="foo")
assert llm.model_name == "foo"
llm = OpenAI(model_name="foo")
assert llm.model_name == "foo"
@pytest.mark.requires("openai")
def test_openai_model_kwargs() -> None:
llm = OpenAI(model_kwargs={"foo": "bar"})
assert llm.model_kwargs == {"foo": "bar"}
@pytest.mark.requires("openai")
def test_openai_invalid_model_kwargs() -> None:
with pytest.raises(ValueError):
OpenAI(model_kwargs={"model_name": "foo"})
@pytest.mark.requires("openai")
def test_openai_incorrect_field() -> None:
with pytest.warns(match="not default parameter"):
llm = OpenAI(foo="bar")
assert llm.model_kwargs == {"foo": "bar"}
@pytest.fixture
def mock_completion() -> dict:
return {
"id": "cmpl-3evkmQda5Hu7fcZavknQda3SQ",
"object": "text_completion",
"created": 1689989000,
"model": "text-davinci-003",
"choices": [
{"text": "Bar Baz", "index": 0, "logprobs": None, "finish_reason": "length"}
],
"usage": {"prompt_tokens": 1, "completion_tokens": 2, "total_tokens": 3},
}

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from langchain_openai.llms import __all__
EXPECTED_ALL = ["OpenAI", "AzureOpenAI"]
def test_all_imports() -> None:
assert sorted(EXPECTED_ALL) == sorted(__all__)

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from langchain_openai import __all__
EXPECTED_ALL = [
"OpenAI",
"ChatOpenAI",
"OpenAIEmbeddings",
"AzureOpenAI",
"AzureChatOpenAI",
"AzureOpenAIEmbeddings",
]
def test_all_imports() -> None:
assert sorted(EXPECTED_ALL) == sorted(__all__)

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libs/partners/openai/tests/unit_tests/test_token_counts.py Normal file
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import pytest
from langchain_openai import ChatOpenAI, OpenAI
_EXPECTED_NUM_TOKENS = {
"ada": 17,
"babbage": 17,
"curie": 17,
"davinci": 17,
"gpt-4": 12,
"gpt-4-32k": 12,
"gpt-3.5-turbo": 12,
}
_MODELS = models = [
"ada",
"babbage",
"curie",
"davinci",
]
_CHAT_MODELS = [
"gpt-4",
"gpt-4-32k",
"gpt-3.5-turbo",
]
@pytest.mark.parametrize("model", _MODELS)
def test_openai_get_num_tokens(model: str) -> None:
"""Test get_tokens."""
llm = OpenAI(model=model)
assert llm.get_num_tokens("表情符号是\n🦜🔗") == _EXPECTED_NUM_TOKENS[model]
@pytest.mark.parametrize("model", _CHAT_MODELS)
def test_chat_openai_get_num_tokens(model: str) -> None:
"""Test get_tokens."""
llm = ChatOpenAI(model=model)
assert llm.get_num_tokens("表情符号是\n🦜🔗") == _EXPECTED_NUM_TOKENS[model]