- 实现ProviderFactory用于构建不同类型的provider适配器 - 添加EnvironmentCredentialResolver用于解析环境变量中的凭证 - 实现OllamaProvider支持本地模型调用 - 实现OpenAICompatibleProvider支持OpenAI兼容接口 - 在AgentRuntime中添加对ProviderError的处理 - 更新Message结构体添加tool_calls字段 - 实现provider配置的增删改查API端点 - 添加provider注册表的replace方法 - 添加HTTP基础类和工具参数解码功能 - 更新依赖添加httpx库 - 添加相关单元测试验证provider适配器功能 ```
83 lines
3.0 KiB
Python
83 lines
3.0 KiB
Python
import json
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from collections.abc import AsyncIterator
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from datetime import datetime, timezone
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from app.contracts import ModelEvent, ModelEventType, ModelRequest
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from app.providers.base import ProviderError, ProviderTurn
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class TurnStreamingMixin:
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async def complete(self, request: ModelRequest) -> ProviderTurn:
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raise NotImplementedError
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async def stream(self, request: ModelRequest) -> AsyncIterator[ModelEvent]:
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try:
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turn = await self.complete(request)
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sequence = 0
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if turn.text:
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yield ModelEvent(
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event=ModelEventType.text_delta,
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sequence=sequence,
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data={"text": turn.text},
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timestamp=datetime.now(timezone.utc),
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)
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sequence += 1
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for call in turn.tool_calls:
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yield ModelEvent(
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event=ModelEventType.tool_call_start,
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sequence=sequence,
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data={
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"tool_call_id": call.tool_call_id,
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"name": call.name,
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"arguments": call.arguments,
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},
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timestamp=datetime.now(timezone.utc),
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)
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sequence += 1
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yield ModelEvent(
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event=ModelEventType.tool_call_end,
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sequence=sequence,
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data={"tool_call_id": call.tool_call_id},
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timestamp=datetime.now(timezone.utc),
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)
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sequence += 1
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yield ModelEvent(
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event=ModelEventType.usage,
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sequence=sequence,
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data={
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"input_tokens": turn.input_tokens,
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"output_tokens": turn.output_tokens,
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},
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timestamp=datetime.now(timezone.utc),
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)
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yield ModelEvent(
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event=ModelEventType.done,
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sequence=sequence + 1,
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timestamp=datetime.now(timezone.utc),
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)
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except ProviderError as exc:
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yield ModelEvent(
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event=ModelEventType.error,
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data={"code": exc.code, "message": exc.message},
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timestamp=datetime.now(timezone.utc),
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)
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yield ModelEvent(
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event=ModelEventType.done,
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sequence=1,
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timestamp=datetime.now(timezone.utc),
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)
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def decode_tool_arguments(value: object) -> dict[str, object]:
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if isinstance(value, dict):
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return value
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if not isinstance(value, str):
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raise ProviderError("PROVIDER_INVALID_RESPONSE", "Tool arguments are not JSON.")
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try:
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decoded = json.loads(value)
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except json.JSONDecodeError as exc:
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raise ProviderError("PROVIDER_INVALID_RESPONSE", "Tool arguments are invalid JSON.") from exc
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if not isinstance(decoded, dict):
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raise ProviderError("PROVIDER_INVALID_RESPONSE", "Tool arguments must be an object.")
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return decoded
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