add suport for dashscope openai client

[zhengwj533]

Support the openai online services provided by Alibaba.

Behavior:

• Init dashscope client in openai. py.
• Use dashscope client to execute task if modle name has a prefix like 'dashscope/' in openai. py

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Important

Add support for Dashscope OpenAI clients in openai.py, handling models with 'dashscope/' prefix.

• Behavior:
  • Initialize Dashscope clients in openai.py if DASHSCOPE_API_KEY and DASHSCOPE_API_BASE are set.
  • Use Dashscope client for models with 'dashscope/' prefix in _get_client_and_model() and _get_async_client_and_model().
• Error Handling:
  • Raise ValueError if 'dashscope/' prefix is used without Dashscope credentials in _get_client_and_model() and _get_async_client_and_model().

^{This description was created by for 89b5375. It will automatically update as commits are pushed.}

[ellipsis-dev]

👍 Looks good to me! Reviewed everything up to 89b5375 in 46 seconds

More details

• Looked at 62 lines of code in 1 files
• Skipped 0 files when reviewing.
• Skipped posting 4 drafted comments based on config settings.

1. py/core/providers/llm/openai.py:16

• Draft comment:
  Initialize dashscope_client and async_dashscope_client to None along with the other client attributes. Without this, referencing them in the any() check may trigger an AttributeError when the env vars are not set.
• Reason this comment was not posted:
  Comment was not on a location in the diff, so it can't be submitted as a review comment.

2. py/core/providers/llm/openai.py:131

• Draft comment:
  Dashscope client initialization looks correct. Consider refactoring common client setup logic and updating documentation for DASHSCOPE_API_KEY and DASHSCOPE_API_BASE.
• Reason this comment was not posted:
  Confidence changes required: 33% <= threshold 50%
  None

3. py/core/providers/llm/openai.py:206

• Draft comment:
  Dashscope model prefix extraction is implemented; consider aligning substring handling (e.g., trimming whitespace) for consistency with other providers.
• Reason this comment was not posted:
  Confidence changes required: 33% <= threshold 50%
  None

4. py/core/providers/llm/openai.py:265

• Draft comment:
  Async dashscope client handling is consistent with sync logic. No issues found, but consider adding inline comments for clarity.
• Reason this comment was not posted:
  Confidence changes required: 0% <= threshold 50%
  None

Workflow ID: wflow_rEfqPbypzri8D8lM

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