feat: 对 claude api 的基本支持

pkg/provider/modelmgr/apis/anthropicmsgs.py

@@ -0,0 +1,65 @@
+from __future__ import annotations
+
+import typing
+
+import anthropic
+
+from .. import api, entities, errors
+
+from .. import api, entities, errors
+from ....core import entities as core_entities
+from ... import entities as llm_entities
+from ...tools import entities as tools_entities
+
+
+@api.requester_class("anthropic-messages")
+class AnthropicMessages(api.LLMAPIRequester):
+    """Anthropic Messages API 请求器"""
+
+    client: anthropic.AsyncAnthropic
+
+    async def initialize(self):
+        self.client = anthropic.AsyncAnthropic(
+            api_key="",
+            base_url=self.ap.provider_cfg.data['requester']['anthropic-messages']['base-url'],
+            timeout=self.ap.provider_cfg.data['requester']['anthropic-messages']['timeout'],
+            proxies=self.ap.proxy_mgr.get_forward_proxies()
+        )
+
+    async def request(
+        self,
+        query: core_entities.Query,
+    ) -> typing.AsyncGenerator[llm_entities.Message, None]:
+        self.client.api_key = query.use_model.token_mgr.get_token()
+
+        args = self.ap.provider_cfg.data['requester']['anthropic-messages']['args'].copy()
+        args["model"] = query.use_model.name if query.use_model.model_name is None else query.use_model.model_name
+
+        req_messages = [  # req_messages 仅用于类内，外部同步由 query.messages 进行
+            m.dict(exclude_none=True) for m in query.prompt.messages
+        ] + [m.dict(exclude_none=True) for m in query.messages]
+
+        # 删除所有 role=system & content='' 的消息
+        req_messages = [
+            m for m in req_messages if not (m["role"] == "system" and m["content"].strip() == "")
+        ]
+
+        # 检查是否有 role=system 的消息，若有，改为 role=user，并在后面加一个 role=assistant 的消息
+        system_role_index = []
+        for i, m in enumerate(req_messages):
+            if m["role"] == "system":
+                system_role_index.append(i)
+                m["role"] = "user"
+
+        if system_role_index:
+            for i in system_role_index[::-1]:
+                req_messages.insert(i + 1, {"role": "assistant", "content": "Okay, I'll follow."})
+
+        args["messages"] = req_messages
+
+        resp = await self.client.messages.create(**args)
+
+        yield llm_entities.Message(
+            content=resp.content[0].text,
+            role=resp.role
+        )

pkg/provider/modelmgr/apis/chatcmpl.py

@@ -9,8 +9,6 @@ import openai
 import openai.types.chat.chat_completion as chat_completion
 import httpx
 
-from pkg.provider.entities import Message
-
 from .. import api, entities, errors
 from ....core import entities as core_entities
 from ... import entities as llm_entities
@@ -127,7 +125,7 @@ class OpenAIChatCompletions(api.LLMAPIRequester):
 
             req_messages.append(msg.dict(exclude_none=True))
 
-    async def request(self, query: core_entities.Query) -> AsyncGenerator[Message, None]:
+    async def request(self, query: core_entities.Query) -> AsyncGenerator[llm_entities.Message, None]:
         try:
             async for msg in self._request(query):
                 yield msg

pkg/provider/modelmgr/modelmgr.py

@@ -6,7 +6,7 @@ from . import entities
 from ...core import app
 
 from . import token, api
-from .apis import chatcmpl
+from .apis import chatcmpl, anthropicmsgs
 
 FETCH_MODEL_LIST_URL = "https://api.qchatgpt.rockchin.top/api/v2/fetch/model_list"