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fix(dashscope): improve get_complete_url guard to prevent double-path append

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The endswith check could miss URLs with trailing slashes or /chat/completions
already present after a query string. Align with OpenAIGPTConfig behavior:
strip trailing slash and check if endpoint is anywhere in the URL.

Fixes #28429
This commit is contained in:
PRABHU KIRAN VANDRANKI 2026-06-02 10:33:36 -04:00
parent a2f9963a1d
commit 166f49e1d0
1 changed files with 7 additions and 3 deletions
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10
litellm/llms/dashscope/chat/transformation.py
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@ -73,12 +73,16 @@ class DashScopeChatConfig(OpenAIGPTConfig):
stream: Optional[bool] = None,
) -> str:
"""
If api_base is not provided, use the default DashScope /chat/completions endpoint.
If api_base is not provided, use the default DashScope base URL.
Appends /chat/completions only when not already present in the URL,
matching the behavior of OpenAIGPTConfig.get_complete_url.
"""
if not api_base:
api_base = "https://dashscope.aliyuncs.com/compatible-mode/v1"
if not api_base.endswith("/chat/completions"):
api_base = f"{api_base}/chat/completions"
endpoint = "chat/completions"
api_base = api_base.rstrip("/")
if endpoint not in api_base:
api_base = f"{api_base}/{endpoint}"
return api_base