Add deprecation warnings (#11899)

Add deprecation warnings

Co-authored-by: Bagatur <baskaryan@gmail.com>

libs/langchain/langchain/agents/agent_toolkits/pandas/base.py

@@ -1,6 +1,7 @@
 """Agent for working with pandas objects."""
 from typing import Any, Dict, List, Optional, Sequence, Tuple
 
+from langchain._api import warn_deprecated
 from langchain.agents.agent import AgentExecutor, BaseSingleActionAgent
 from langchain.agents.agent_toolkits.pandas.prompt import (
     FUNCTIONS_WITH_DF,
@@ -285,6 +286,16 @@ def create_pandas_dataframe_agent(
     **kwargs: Dict[str, Any],
 ) -> AgentExecutor:
     """Construct a pandas agent from an LLM and dataframe."""
+    warn_deprecated(
+        since="0.0.314",
+        message=(
+            "On 2023-10-27 this module will be be deprecated from langchain, and "
+            "will be available from the langchain-experimental package."
+            "This code is already available in langchain-experimental."
+            "See https://github.com/langchain-ai/langchain/discussions/11680."
+        ),
+        pending=True,
+    )
     agent: BaseSingleActionAgent
     if agent_type == AgentType.ZERO_SHOT_REACT_DESCRIPTION:
         prompt, base_tools = _get_prompt_and_tools(

libs/langchain/langchain/agents/agent_toolkits/python/base.py

@@ -2,6 +2,7 @@
 
 from typing import Any, Dict, Optional
 
+from langchain._api import warn_deprecated
 from langchain.agents.agent import AgentExecutor, BaseSingleActionAgent
 from langchain.agents.agent_toolkits.python.prompt import PREFIX
 from langchain.agents.mrkl.base import ZeroShotAgent
@@ -25,6 +26,16 @@ def create_python_agent(
     **kwargs: Dict[str, Any],
 ) -> AgentExecutor:
     """Construct a python agent from an LLM and tool."""
+    warn_deprecated(
+        since="0.0.314",
+        message=(
+            "On 2023-10-27 this module will be be deprecated from langchain, and "
+            "will be available from the langchain-experimental package."
+            "This code is already available in langchain-experimental."
+            "See https://github.com/langchain-ai/langchain/discussions/11680."
+        ),
+        pending=True,
+    )
     tools = [tool]
     agent: BaseSingleActionAgent
 

libs/langchain/langchain/agents/agent_toolkits/spark/base.py

@@ -1,6 +1,7 @@
 """Agent for working with pandas objects."""
 from typing import Any, Dict, List, Optional
 
+from langchain._api import warn_deprecated
 from langchain.agents.agent import AgentExecutor
 from langchain.agents.agent_toolkits.spark.prompt import PREFIX, SUFFIX
 from langchain.agents.mrkl.base import ZeroShotAgent
@@ -44,6 +45,16 @@ def create_spark_dataframe_agent(
     **kwargs: Dict[str, Any],
 ) -> AgentExecutor:
     """Construct a Spark agent from an LLM and dataframe."""
+    warn_deprecated(
+        since="0.0.314",
+        message=(
+            "On 2023-10-27 this module will be be deprecated from langchain, and "
+            "will be available from the langchain-experimental package."
+            "This code is already available in langchain-experimental."
+            "See https://github.com/langchain-ai/langchain/discussions/11680."
+        ),
+        pending=True,
+    )
 
     if not _validate_spark_df(df) and not _validate_spark_connect_df(df):
         raise ImportError("Spark is not installed. run `pip install pyspark`.")

libs/langchain/langchain/agents/agent_toolkits/xorbits/base.py

@@ -1,6 +1,7 @@
 """Agent for working with xorbits objects."""
 from typing import Any, Dict, List, Optional
 
+from langchain._api import warn_deprecated
 from langchain.agents.agent import AgentExecutor
 from langchain.agents.agent_toolkits.xorbits.prompt import (
     NP_PREFIX,
@@ -31,6 +32,16 @@ def create_xorbits_agent(
     **kwargs: Dict[str, Any],
 ) -> AgentExecutor:
     """Construct a xorbits agent from an LLM and dataframe."""
+    warn_deprecated(
+        since="0.0.314",
+        message=(
+            "On 2023-10-27 this module will be be deprecated from langchain, and "
+            "will be available from the langchain-experimental package."
+            "This code is already available in langchain-experimental."
+            "See https://github.com/langchain-ai/langchain/discussions/11680."
+        ),
+        pending=True,
+    )
     try:
         from xorbits import numpy as np
         from xorbits import pandas as pd

libs/langchain/langchain/tools/python/tool.py

@@ -8,6 +8,7 @@ from contextlib import redirect_stdout
 from io import StringIO
 from typing import Any, Dict, Optional, Type
 
+from langchain._api import warn_deprecated
 from langchain.callbacks.manager import (
     AsyncCallbackManagerForToolRun,
     CallbackManagerForToolRun,
@@ -58,6 +59,16 @@ class PythonREPLTool(BaseTool):
         run_manager: Optional[CallbackManagerForToolRun] = None,
     ) -> Any:
         """Use the tool."""
+        warn_deprecated(
+            since="0.0.314",
+            message=(
+                "On 2023-10-27 this module will be be deprecated from langchain, and "
+                "will be available from the langchain-experimental package."
+                "This code is already available in langchain-experimental."
+                "See https://github.com/langchain-ai/langchain/discussions/11680."
+            ),
+            pending=True,
+        )
         if self.sanitize_input:
             query = sanitize_input(query)
         return self.python_repl.run(query)
@@ -68,6 +79,16 @@ class PythonREPLTool(BaseTool):
         run_manager: Optional[AsyncCallbackManagerForToolRun] = None,
     ) -> Any:
         """Use the tool asynchronously."""
+        warn_deprecated(
+            since="0.0.314",
+            message=(
+                "On 2023-10-27 this module will be be deprecated from langchain, and "
+                "will be available from the langchain-experimental package."
+                "This code is already available in langchain-experimental."
+                "See https://github.com/langchain-ai/langchain/discussions/11680."
+            ),
+            pending=True,
+        )
         if self.sanitize_input:
             query = sanitize_input(query)
 
@@ -113,6 +134,17 @@ class PythonAstREPLTool(BaseTool):
         run_manager: Optional[CallbackManagerForToolRun] = None,
     ) -> str:
         """Use the tool."""
+        warn_deprecated(
+            since="0.0.314",
+            message=(
+                "On 2023-10-27 this module will be be deprecated from langchain, and "
+                "will be available from the langchain-experimental package."
+                "This code is already available in langchain-experimental."
+                "See https://github.com/langchain-ai/langchain/discussions/11680."
+            ),
+            pending=True,
+        )
+
         try:
             if self.sanitize_input:
                 query = sanitize_input(query)
@@ -143,6 +175,16 @@ class PythonAstREPLTool(BaseTool):
     ) -> Any:
         """Use the tool asynchronously."""
 
+        warn_deprecated(
+            since="0.0.314",
+            message=(
+                "On 2023-10-27 this module will be be deprecated from langchain, and "
+                "will be available from the langchain-experimental package."
+                "This code is already available in langchain-experimental."
+                "See https://github.com/langchain-ai/langchain/discussions/11680."
+            ),
+            pending=True,
+        )
         loop = asyncio.get_running_loop()
         result = await loop.run_in_executor(None, self._run, query)