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Python: moved prepare tools into class (#215)

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* moved prepare tools into class

* moved test

* changed tool handling

* fix test

* second fix
This commit is contained in:
Eduard van Valkenburg
2025-07-22 23:37:18 +02:00
committed by GitHub
Unverified
parent 84e5ee97b9
commit 27f7af2160
4 changed files with 80 additions and 79 deletions
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python/packages/main/agent_framework/_clients.py
+29 -26
View File
@@ -75,35 +75,18 @@ async def _auto_invoke_function(
)
def tool_to_json_schema_spec(tool: AITool) -> dict[str, Any]:
"""Convert a AITool to the JSON Schema function specification format."""
def ai_function_to_json_schema_spec(function: AIFunction[BaseModel, Any]) -> dict[str, Any]:
"""Convert a AIFunction to the JSON Schema function specification format."""
return {
"type": "function",
"function": {
"name": tool.name,
"description": tool.description,
"parameters": tool.parameters(),
"name": function.name,
"description": function.description,
"parameters": function.parameters(),
},
}
def _prepare_tools_and_tool_choice(chat_options: ChatOptions) -> None:
"""Prepare the tools and tool choice for the chat options."""
chat_tool_mode: ChatToolMode | None = chat_options.tool_choice # type: ignore
if chat_tool_mode is None or chat_tool_mode == ChatToolMode.NONE:
chat_options.tools = None
chat_options.tool_choice = ChatToolMode.NONE.mode
return
chat_options.tools = [
(tool_to_json_schema_spec(t) if isinstance(t, AITool) else t)
for t in chat_options._ai_tools or [] # type: ignore[reportPrivateUsage]
]
if not chat_options.tools:
chat_options.tool_choice = ChatToolMode.NONE.mode
else:
chat_options.tool_choice = chat_tool_mode.mode
def _tool_call_non_streaming(func: TInnerGetResponse) -> TInnerGetResponse:
"""Decorate the internal _inner_get_response method to enable tool calls."""
@@ -163,7 +146,7 @@ def _tool_call_non_streaming(func: TInnerGetResponse) -> TInnerGetResponse:
# Failsafe: give up on tools, ask model for plain answer
chat_options.tool_choice = "none"
_prepare_tools_and_tool_choice(chat_options=chat_options)
self._prepare_tools_and_tool_choice(chat_options=chat_options) # type: ignore[reportPrivateUsage]
response = await func(self, messages=messages, chat_options=chat_options)
if fcc_messages:
for msg in reversed(fcc_messages):
@@ -231,7 +214,7 @@ def _tool_call_streaming(func: TInnerGetStreamingResponse) -> TInnerGetStreaming
# Failsafe: give up on tools, ask model for plain answer
chat_options.tool_choice = "none"
_prepare_tools_and_tool_choice(chat_options=chat_options)
self._prepare_tools_and_tool_choice(chat_options=chat_options) # type: ignore[reportPrivateUsage]
async for update in func(self, messages=messages, chat_options=chat_options, **kwargs):
yield update
@@ -542,7 +525,7 @@ class ChatClientBase(AFBaseModel, ABC):
additional_properties=additional_properties or {},
)
prepped_messages = self._prepare_messages(messages)
_prepare_tools_and_tool_choice(chat_options=chat_options)
self._prepare_tools_and_tool_choice(chat_options=chat_options)
return await self._inner_get_response(messages=prepped_messages, chat_options=chat_options, **kwargs)
async def get_streaming_response(
@@ -623,12 +606,32 @@ class ChatClientBase(AFBaseModel, ABC):
**kwargs,
)
prepped_messages = self._prepare_messages(messages)
_prepare_tools_and_tool_choice(chat_options=chat_options)
self._prepare_tools_and_tool_choice(chat_options=chat_options)
async for update in self._inner_get_streaming_response(
messages=prepped_messages, chat_options=chat_options, **kwargs
):
yield update
def _prepare_tools_and_tool_choice(self, chat_options: ChatOptions) -> None:
"""Prepare the tools and tool choice for the chat options.
This function should be overridden by subclasses to customize tool handling.
Because it currently parses only AIFunctions.
"""
chat_tool_mode: ChatToolMode | None = chat_options.tool_choice # type: ignore
if chat_tool_mode is None or chat_tool_mode == ChatToolMode.NONE:
chat_options.tools = None
chat_options.tool_choice = ChatToolMode.NONE.mode
return
chat_options.tools = [
(ai_function_to_json_schema_spec(t) if isinstance(t, AIFunction) else t) # type: ignore[reportUnknownArgumentType]
for t in chat_options._ai_tools or [] # type: ignore[reportPrivateUsage]
]
if not chat_options.tools:
chat_options.tool_choice = ChatToolMode.NONE.mode
else:
chat_options.tool_choice = chat_tool_mode.mode
# region: Embedding Client