[Misc] call the pre-defined func

[reidliu41]

Essential Elements of an Effective PR Description Checklist

• The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
• The test plan, such as providing test command.
• The test results, such as pasting the results comparison before and after, or e2e results
• (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.

Purpose

• Reuse the existing function instead of redefining it. same as others, e.g.
  

  vllm/vllm/entrypoints/openai/tool_parsers/phi4mini_tool_parser.py

  Line 77 in f73d02a

  id=random_tool_call_id(),

Test Plan

Test Result

(Optional) Documentation Update

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[gemini-code-assist]

Summary of Changes

Hello @reidliu41, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on improving code maintainability and consistency by centralizing the generation of tool call IDs. It refactors existing code to reuse a newly introduced helper function, random_tool_call_id(), thereby eliminating redundant string formatting and direct calls to random_uuid() in multiple tool parser implementations.

Highlights

• Code Refactoring: Replaced direct usage of random_uuid() with a new, centralized random_tool_call_id() function for generating tool call IDs.
• Code Reusability: Consolidated the logic for generating tool call IDs into a single, pre-defined function, improving code consistency and reducing duplication across different tool parsers.

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[gemini-code-assist]

Code Review

This pull request refactors the generation of tool call IDs in deepseekv3_tool_parser.py and xlam_tool_parser.py to use a common, pre-defined function random_tool_call_id. This is a good change that improves code maintainability and consistency by centralizing the ID generation logic, reducing the risk of future inconsistencies. The changes are correct and I did not find any issues of medium or higher severity.

[reidliu41]

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