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fix(provider): fix Anthropic custom headers and system prompt compatibility #7587

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fix(provider): fix Anthropic custom headers and system prompt compatibility #7587

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fix(provider): fix Anthropic custom headers and system prompt compati…
PinkYuDeer Apr 15, 2026
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fix(provider): fix Anthropic custom headers and system prompt compati…
PinkYuDeer Apr 15, 2026
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fix(provider): fix Anthropic custom headers and system prompt compati…
PinkYuDeer Apr 15, 2026
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9 changes: 4 additions & 5 deletions astrbot/core/provider/sources/anthropic_source.py
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,7 @@ def _init_api_key(self, provider_config: dict) -> None:
api_key=self.chosen_api_key,
timeout=self.timeout,
base_url=self.base_url,
default_headers=self.custom_headers,
http_client=self._create_http_client(provider_config),
)

Expand All @@ -111,9 +112,7 @@ def _create_http_client(self, provider_config: dict) -> httpx.AsyncClient | None
proxy = provider_config.get("proxy", "")
if proxy:
logger.info(f"[Anthropic] 使用代理: {proxy}")
return httpx.AsyncClient(proxy=proxy, headers=self.custom_headers)
if self.custom_headers:
return httpx.AsyncClient(headers=self.custom_headers)
return httpx.AsyncClient(proxy=proxy)
return None

def _apply_thinking_config(self, payloads: dict) -> None:
Expand Down Expand Up @@ -573,7 +572,7 @@ async def text_chat(

# Anthropic has a different way of handling system prompts
if system_prompt:
payloads["system"] = system_prompt
payloads["system"] = [{"type": "text", "text": system_prompt}] if isinstance(system_prompt, str) else system_prompt

llm_response = None
try:
Expand Down Expand Up @@ -636,7 +635,7 @@ async def text_chat_stream(

# Anthropic has a different way of handling system prompts
if system_prompt:
payloads["system"] = system_prompt
payloads["system"] = [{"type": "text", "text": system_prompt}] if isinstance(system_prompt, str) else system_prompt

async for llm_response in self._query_stream(payloads, func_tool):
yield llm_response
Expand Down