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fix: Alibaba/DashScope: preserve model dots (qwen3.5-plus) and fix 401 auth

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When using Alibaba (DashScope) with an anthropic-compatible endpoint,
model names like qwen3.5-plus were being normalized to qwen3-5-plus.
Alibaba's API expects the dot. Added preserve_dots parameter to
normalize_model_name() and build_anthropic_kwargs().

Also fixed 401 auth: when provider is alibaba or base_url contains
dashscope/aliyuncs, use only the resolved API key (DASHSCOPE_API_KEY).
Never fall back to resolve_anthropic_token(), and skip Anthropic
credential refresh for DashScope endpoints.

Cherry-picked from PR #1748 by crazywriter1. Fixes #1739.
This commit is contained in:
crazywriter1 2026-03-21 09:38:04 -07:00 • committed by Teknium
parent 07112e4e98
commit 523d8c38f9
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3 changed files with 39 additions and 9 deletions
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24
run_agent.py
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@ -681,7 +681,10 @@ class AIAgent:
if self.api_mode == "anthropic_messages":
from agent.anthropic_adapter import build_anthropic_client, resolve_anthropic_token
effective_key = api_key or resolve_anthropic_token() or ""
# Alibaba/DashScope use their own API key; do not fall back to ANTHROPIC_TOKEN (Fixes #1739 401).
_base = (base_url or "").lower()
_is_alibaba_dashscope = (self.provider == "alibaba") or ("dashscope" in _base) or ("aliyuncs" in _base)
effective_key = (api_key or "") if _is_alibaba_dashscope else (api_key or resolve_anthropic_token() or "")
self.api_key = effective_key
self._anthropic_api_key = effective_key
self._anthropic_base_url = base_url
@ -3337,6 +3340,10 @@ class AIAgent:
def _try_refresh_anthropic_client_credentials(self) -> bool:
if self.api_mode != "anthropic_messages" or not hasattr(self, "_anthropic_api_key"):
return False
# Alibaba/DashScope use their own API key; do not refresh from ANTHROPIC_TOKEN (Fixes #1739 401).
_base = (getattr(self, "_anthropic_base_url", None) or "").lower()
if (self.provider == "alibaba") or ("dashscope" in _base) or ("aliyuncs" in _base):
return False
try:
from agent.anthropic_adapter import resolve_anthropic_token, build_anthropic_client
@ -3940,6 +3947,13 @@ class AIAgent:
)
return transformed
def _anthropic_preserve_dots(self) -> bool:
"""True when using Alibaba/DashScope anthropic-compatible endpoint (model names keep dots, e.g. qwen3.5-plus)."""
if (getattr(self, "provider", "") or "").lower() == "alibaba":
return True
base = (getattr(self, "base_url", "") or "").lower()
return "dashscope" in base or "aliyuncs" in base
def _build_api_kwargs(self, api_messages: list) -> dict:
"""Build the keyword arguments dict for the active API mode."""
if self.api_mode == "anthropic_messages":
@ -3952,6 +3966,7 @@ class AIAgent:
max_tokens=self.max_tokens,
reasoning_config=self.reasoning_config,
is_oauth=getattr(self, "_is_anthropic_oauth", False),
preserve_dots=self._anthropic_preserve_dots(),
)
if self.api_mode == "codex_responses":
@ -4413,6 +4428,7 @@ class AIAgent:
model=self.model, messages=api_messages,
tools=[memory_tool_def], max_tokens=5120,
reasoning_config=None,
preserve_dots=self._anthropic_preserve_dots(),
)
response = self._anthropic_messages_create(ant_kwargs)
elif not _aux_available:
@ -5221,7 +5237,8 @@ class AIAgent:
from agent.anthropic_adapter import build_anthropic_kwargs as _bak, normalize_anthropic_response as _nar
_ant_kw = _bak(model=self.model, messages=api_messages, tools=None,
max_tokens=self.max_tokens, reasoning_config=self.reasoning_config,
is_oauth=getattr(self, '_is_anthropic_oauth', False))
is_oauth=getattr(self, '_is_anthropic_oauth', False),
preserve_dots=self._anthropic_preserve_dots())
summary_response = self._anthropic_messages_create(_ant_kw)
_msg, _ = _nar(summary_response, strip_tool_prefix=getattr(self, '_is_anthropic_oauth', False))
final_response = (_msg.content or "").strip()
@ -5252,7 +5269,8 @@ class AIAgent:
from agent.anthropic_adapter import build_anthropic_kwargs as _bak2, normalize_anthropic_response as _nar2
_ant_kw2 = _bak2(model=self.model, messages=api_messages, tools=None,
is_oauth=getattr(self, '_is_anthropic_oauth', False),
max_tokens=self.max_tokens, reasoning_config=self.reasoning_config)
max_tokens=self.max_tokens, reasoning_config=self.reasoning_config,
preserve_dots=self._anthropic_preserve_dots())
retry_response = self._anthropic_messages_create(_ant_kw2)
_retry_msg, _ = _nar2(retry_response, strip_tool_prefix=getattr(self, '_is_anthropic_oauth', False))
final_response = (_retry_msg.content or "").strip()