mirror of
https://github.com/blakeblackshear/frigate.git
synced 2026-03-10 02:29:19 +03:00
Adapt to new Gemini format
This commit is contained in:
Nicolas Mowen
parent
84760c42cb
commit
5f02e33e55
@ -1,6 +1,5 @@
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"""Gemini Provider for Frigate AI."""
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import json
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import logging
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from typing import Any, Optional
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@ -84,147 +83,169 @@ class GeminiClient(GenAIClient):
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tools: Optional[list[dict[str, Any]]] = None,
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tool_choice: Optional[str] = "auto",
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) -> dict[str, Any]:
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"""
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Send chat messages to Gemini with optional tool definitions.
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Implements function calling/tool usage for Gemini models.
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"""
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try:
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# Convert messages to Gemini format
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gemini_messages = []
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for msg in messages:
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role = msg.get("role", "user")
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content = msg.get("content", "")
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# Map roles to Gemini format
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if role == "system":
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# Gemini doesn't have system role, prepend to first user message
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if gemini_messages and gemini_messages[0].role == "user":
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gemini_messages[0].parts[
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0
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].text = f"{content}\n\n{gemini_messages[0].parts[0].text}"
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else:
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gemini_messages.append(
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types.Content(
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role="user", parts=[types.Part.from_text(text=content)]
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)
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)
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elif role == "assistant":
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gemini_messages.append(
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types.Content(
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role="model", parts=[types.Part.from_text(text=content)]
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)
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)
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elif role == "tool":
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# Handle tool response
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function_response = {
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"name": msg.get("name", ""),
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"response": content,
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}
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gemini_messages.append(
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types.Content(
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role="function",
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parts=[
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types.Part.from_function_response(function_response)
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],
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)
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)
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else: # user
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gemini_messages.append(
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types.Content(
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role="user", parts=[types.Part.from_text(text=content)]
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)
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)
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# Convert tools to Gemini format
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gemini_tools = None
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if tools:
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function_declarations = []
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gemini_tools = []
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for tool in tools:
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if tool.get("type") == "function":
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func_def = tool.get("function", {})
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function_declarations.append(
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genai.protos.FunctionDeclaration(
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name=func_def.get("name"),
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description=func_def.get("description"),
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parameters=genai.protos.Schema(
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type=genai.protos.Type.OBJECT,
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properties={
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prop_name: genai.protos.Schema(
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type=_convert_json_type_to_gemini(
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prop.get("type")
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),
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description=prop.get("description"),
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)
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for prop_name, prop in func_def.get(
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"parameters", {}
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)
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.get("properties", {})
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.items()
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},
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required=func_def.get("parameters", {}).get(
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"required", []
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),
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),
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func = tool.get("function", {})
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gemini_tools.append(
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types.Tool(
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function_declarations=[
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types.FunctionDeclaration(
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name=func.get("name", ""),
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description=func.get("description", ""),
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parameters=func.get("parameters", {}),
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)
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]
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)
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)
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tool_config = genai.protos.Tool(
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function_declarations=function_declarations
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)
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# Configure tool choice
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tool_config = None
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if tool_choice:
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if tool_choice == "none":
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function_calling_config = genai.protos.FunctionCallingConfig(
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mode=genai.protos.FunctionCallingConfig.Mode.NONE
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tool_config = types.ToolConfig(
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function_calling_config=types.FunctionCallingConfig(mode="NONE")
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)
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elif tool_choice == "auto":
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tool_config = types.ToolConfig(
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function_calling_config=types.FunctionCallingConfig(mode="AUTO")
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)
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elif tool_choice == "required":
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function_calling_config = genai.protos.FunctionCallingConfig(
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mode=genai.protos.FunctionCallingConfig.Mode.ANY
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)
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else:
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function_calling_config = genai.protos.FunctionCallingConfig(
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mode=genai.protos.FunctionCallingConfig.Mode.AUTO
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)
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else:
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tool_config = None
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function_calling_config = None
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contents = []
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for msg in messages:
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role = msg.get("role")
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content = msg.get("content", "")
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if role == "system":
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continue
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elif role == "user":
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contents.append({"role": "user", "parts": [content]})
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elif role == "assistant":
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parts = [content] if content else []
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if "tool_calls" in msg:
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for tc in msg["tool_calls"]:
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parts.append(
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genai.protos.FunctionCall(
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name=tc["function"]["name"],
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args=json.loads(tc["function"]["arguments"]),
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)
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)
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contents.append({"role": "model", "parts": parts})
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elif role == "tool":
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tool_name = msg.get("name", "")
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tool_result = (
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json.loads(content) if isinstance(content, str) else content
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)
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contents.append(
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{
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"role": "function",
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"parts": [
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genai.protos.FunctionResponse(
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name=tool_name,
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response=tool_result,
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)
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],
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}
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tool_config = types.ToolConfig(
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function_calling_config=types.FunctionCallingConfig(mode="ANY")
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)
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generation_config = genai.types.GenerationConfig(
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candidate_count=1,
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)
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if function_calling_config:
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generation_config.function_calling_config = function_calling_config
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# Build request config
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config_params = {"candidate_count": 1}
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response = self.provider.generate_content(
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contents,
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tools=[tool_config] if tool_config else None,
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generation_config=generation_config,
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request_options=genai.types.RequestOptions(timeout=self.timeout),
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if gemini_tools:
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config_params["tools"] = gemini_tools
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if tool_config:
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config_params["tool_config"] = tool_config
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# Merge runtime_options
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if isinstance(self.genai_config.runtime_options, dict):
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config_params.update(self.genai_config.runtime_options)
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response = self.provider.models.generate_content(
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model=self.genai_config.model,
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contents=gemini_messages,
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config=types.GenerateContentConfig(**config_params),
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)
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# Check if response is valid
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if not response or not response.candidates:
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return {
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"content": None,
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"tool_calls": None,
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"finish_reason": "error",
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}
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candidate = response.candidates[0]
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content = None
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tool_calls = None
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if response.candidates and response.candidates[0].content:
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parts = response.candidates[0].content.parts
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text_parts = [p.text for p in parts if hasattr(p, "text") and p.text]
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if text_parts:
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content = " ".join(text_parts).strip()
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# Extract content and tool calls from response
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if candidate.content and candidate.content.parts:
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for part in candidate.content.parts:
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if part.text:
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content = part.text.strip()
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elif part.function_call:
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# Handle function call
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if tool_calls is None:
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tool_calls = []
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try:
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arguments = (
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dict(part.function_call.args)
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if part.function_call.args
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else {}
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)
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except Exception:
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arguments = {}
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function_calls = [
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p.function_call
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for p in parts
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if hasattr(p, "function_call") and p.function_call
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]
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if function_calls:
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tool_calls = []
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for fc in function_calls:
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tool_calls.append(
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{
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"id": f"call_{hash(fc.name)}",
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"name": fc.name,
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"arguments": dict(fc.args)
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if hasattr(fc, "args")
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else {},
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"id": part.function_call.name or "",
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"name": part.function_call.name or "",
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"arguments": arguments,
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}
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)
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# Determine finish reason
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finish_reason = "error"
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if response.candidates:
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finish_reason_map = {
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genai.types.FinishReason.STOP: "stop",
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genai.types.FinishReason.MAX_TOKENS: "length",
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genai.types.FinishReason.SAFETY: "stop",
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genai.types.FinishReason.RECITATION: "stop",
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genai.types.FinishReason.OTHER: "error",
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}
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finish_reason = finish_reason_map.get(
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response.candidates[0].finish_reason, "error"
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)
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if hasattr(candidate, "finish_reason") and candidate.finish_reason:
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from google.genai.types import FinishReason
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if candidate.finish_reason == FinishReason.STOP:
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finish_reason = "stop"
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elif candidate.finish_reason == FinishReason.MAX_TOKENS:
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finish_reason = "length"
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elif candidate.finish_reason in [
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FinishReason.SAFETY,
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FinishReason.RECITATION,
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]:
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finish_reason = "error"
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elif tool_calls:
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finish_reason = "tool_calls"
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elif content:
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finish_reason = "stop"
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elif tool_calls:
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finish_reason = "tool_calls"
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elif content:
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@ -236,29 +257,19 @@ class GeminiClient(GenAIClient):
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"finish_reason": finish_reason,
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}
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except GoogleAPICallError as e:
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logger.warning("Gemini returned an error: %s", str(e))
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except errors.APIError as e:
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logger.warning("Gemini API error during chat_with_tools: %s", str(e))
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return {
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"content": None,
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"tool_calls": None,
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"finish_reason": "error",
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}
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except Exception as e:
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logger.warning("Unexpected error in Gemini chat_with_tools: %s", str(e))
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logger.warning(
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"Gemini returned an error during chat_with_tools: %s", str(e)
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)
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return {
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"content": None,
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"tool_calls": None,
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"finish_reason": "error",
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}
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def _convert_json_type_to_gemini(json_type: str) -> genai.protos.Type:
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type_map = {
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"string": genai.protos.Type.STRING,
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"integer": genai.protos.Type.INTEGER,
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"number": genai.protos.Type.NUMBER,
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"boolean": genai.protos.Type.BOOLEAN,
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"array": genai.protos.Type.ARRAY,
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"object": genai.protos.Type.OBJECT,
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}
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return type_map.get(json_type, genai.protos.Type.STRING)
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