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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.
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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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tests/test_anthropic_adapter.py
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@ -450,6 +450,12 @@ class TestNormalizeModelName:
assert normalize_model_name("claude-opus-4-6") == "claude-opus-4-6"
assert normalize_model_name("claude-opus-4-5-20251101") == "claude-opus-4-5-20251101"
def test_preserve_dots_for_alibaba_dashscope(self):
"""Alibaba/DashScope use dots in model names (e.g. qwen3.5-plus). Fixes #1739."""
assert normalize_model_name("qwen3.5-plus", preserve_dots=True) == "qwen3.5-plus"
assert normalize_model_name("anthropic/qwen3.5-plus", preserve_dots=True) == "qwen3.5-plus"
assert normalize_model_name("qwen3.5-flash", preserve_dots=True) == "qwen3.5-flash"
# ---------------------------------------------------------------------------
# Tool conversion