community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)

Moved the following modules to new package langchain-community in a backwards compatible fashion: ``` mv langchain/langchain/adapters community/langchain_community mv langchain/langchain/callbacks community/langchain_community/callbacks mv langchain/langchain/chat_loaders community/langchain_community mv langchain/langchain/chat_models community/langchain_community mv langchain/langchain/document_loaders community/langchain_community mv langchain/langchain/docstore community/langchain_community mv langchain/langchain/document_transformers community/langchain_community mv langchain/langchain/embeddings community/langchain_community mv langchain/langchain/graphs community/langchain_community mv langchain/langchain/llms community/langchain_community mv langchain/langchain/memory/chat_message_histories community/langchain_community mv langchain/langchain/retrievers community/langchain_community mv langchain/langchain/storage community/langchain_community mv langchain/langchain/tools community/langchain_community mv langchain/langchain/utilities community/langchain_community mv langchain/langchain/vectorstores community/langchain_community mv langchain/langchain/agents/agent_toolkits community/langchain_community mv langchain/langchain/cache.py community/langchain_community mv langchain/langchain/adapters community/langchain_community mv langchain/langchain/callbacks community/langchain_community/callbacks mv langchain/langchain/chat_loaders community/langchain_community mv langchain/langchain/chat_models community/langchain_community mv langchain/langchain/document_loaders community/langchain_community mv langchain/langchain/docstore community/langchain_community mv langchain/langchain/document_transformers community/langchain_community mv langchain/langchain/embeddings community/langchain_community mv langchain/langchain/graphs community/langchain_community mv langchain/langchain/llms community/langchain_community mv langchain/langchain/memory/chat_message_histories community/langchain_community mv langchain/langchain/retrievers community/langchain_community mv langchain/langchain/storage community/langchain_community mv langchain/langchain/tools community/langchain_community mv langchain/langchain/utilities community/langchain_community mv langchain/langchain/vectorstores community/langchain_community mv langchain/langchain/agents/agent_toolkits community/langchain_community mv langchain/langchain/cache.py community/langchain_community ``` Moved the following to core ``` mv langchain/langchain/utils/json_schema.py core/langchain_core/utils mv langchain/langchain/utils/html.py core/langchain_core/utils mv langchain/langchain/utils/strings.py core/langchain_core/utils cat langchain/langchain/utils/env.py >> core/langchain_core/utils/env.py rm langchain/langchain/utils/env.py ``` See .scripts/community_split/script_integrations.sh for all changes
2025-09-24 03:52:10 +00:00 · 2023-12-11 13:53:30 -08:00
parent c0f4b95aa9
commit ed58eeb9c5
2446 changed files with 171805 additions and 137118 deletions
--- a/libs/community/langchain_community/utilities/google_finance.py
+++ b/libs/community/langchain_community/utilities/google_finance.py
@@ -0,0 +1,97 @@
+"""Util that calls Google Finance Search."""
+from typing import Any, Dict, Optional, cast
+
+from langchain_core.pydantic_v1 import BaseModel, Extra, SecretStr, root_validator
+from langchain_core.utils import convert_to_secret_str, get_from_dict_or_env
+
+
+class GoogleFinanceAPIWrapper(BaseModel):
+    """Wrapper for SerpApi's Google Finance API
+    You can create SerpApi.com key by signing up at: https://serpapi.com/users/sign_up.
+    The wrapper uses the SerpApi.com python package:
+    https://serpapi.com/integrations/python
+    To use, you should have the environment variable ``SERPAPI_API_KEY``
+    set with your API key, or pass `serp_api_key` as a named parameter
+    to the constructor.
+    Example:
+        .. code-block:: python
+        from langchain_community.utilities import GoogleFinanceAPIWrapper
+        google_Finance = GoogleFinanceAPIWrapper()
+        google_Finance.run('langchain')
+    """
+
+    serp_search_engine: Any
+    serp_api_key: Optional[SecretStr] = None
+
+    class Config:
+        """Configuration for this pydantic object."""
+
+        extra = Extra.forbid
+
+    @root_validator()
+    def validate_environment(cls, values: Dict) -> Dict:
+        """Validate that api key and python package exists in environment."""
+        values["serp_api_key"] = convert_to_secret_str(
+            get_from_dict_or_env(values, "serp_api_key", "SERPAPI_API_KEY")
+        )
+
+        try:
+            from serpapi import SerpApiClient
+
+        except ImportError:
+            raise ImportError(
+                "google-search-results is not installed. "
+                "Please install it with `pip install google-search-results"
+                ">=2.4.2`"
+            )
+        serp_search_engine = SerpApiClient
+        values["serp_search_engine"] = serp_search_engine
+
+        return values
+
+    def run(self, query: str) -> str:
+        """Run query through Google Finance with Serpapi"""
+        serpapi_api_key = cast(SecretStr, self.serp_api_key)
+        params = {
+            "engine": "google_finance",
+            "api_key": serpapi_api_key.get_secret_value(),
+            "q": query,
+        }
+
+        total_results = {}
+        client = self.serp_search_engine(params)
+        total_results = client.get_dict()
+
+        if not total_results:
+            return "Nothing was found from the query: " + query
+
+        markets = total_results.get("markets", {})
+        res = "\nQuery: " + query + "\n"
+
+        if "futures_chain" in total_results:
+            futures_chain = total_results.get("futures_chain", [])[0]
+            stock = futures_chain["stock"]
+            price = futures_chain["price"]
+            temp = futures_chain["price_movement"]
+            percentage = temp["percentage"]
+            movement = temp["movement"]
+            res += (
+                f"stock: {stock}\n"
+                + f"price: {price}\n"
+                + f"percentage: {percentage}\n"
+                + f"movement: {movement}\n"
+            )
+
+        else:
+            res += "No summary information\n"
+
+        for key in markets:
+            if (key == "us") or (key == "asia") or (key == "europe"):
+                res += key
+                res += ": price = "
+                res += str(markets[key][0]["price"])
+                res += ", movement = "
+                res += markets[key][0]["price_movement"]["movement"]
+                res += "\n"
+
+        return res