mirror of
https://github.com/langbot-app/LangBot.git
synced 2025-11-25 11:29:39 +08:00
65 lines
2.3 KiB
Python
65 lines
2.3 KiB
Python
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
|
||
) |