test(python): enable building PT OP

[njzjz]

This enables building PyTorch customized OP in the Python tests for future usage. PyTorch provides undocumented cxx11 CPU-only wheels at https://download.pytorch.org/whl/torch_stable.html.

Summary by CodeRabbit

• Chores
  • Updated package installation commands for mpich and torch in the testing workflow.
  • Set PYTORCH_ROOT environment variable.
  • Added DP_ENABLE_PYTORCH environment variable.

[coderabbitai]

Walkthrough

Walkthrough

The updates to the .github/workflows/test_python.yml file primarily focus on modifying the package installation commands to ensure compatibility with specific versions of mpich and torch. Additionally, environment variables such as PYTORCH_ROOT and DP_ENABLE_PYTORCH are set to configure the testing environment appropriately. These changes aim to streamline the setup process and enhance the integration of PyTorch within the testing workflow.

Changes

File	Change Summary
.github/workflows/test_python.yml	Updated package installation commands for mpich and torch, set PYTORCH_ROOT, added DP_ENABLE_PYTORCH.

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Recent Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 2bf0769 and d39e20f.

Files selected for processing (1)

• .github/workflows/test_python.yml (1 hunks)

Additional comments not posted (4)

.github/workflows/test_python.yml (4)

27-27: The installation command for mpich looks good.

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28-29: The installation command for torch with a specific version and ABI looks good.

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30-30: The command to set the PYTORCH_ROOT environment variable looks good.

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31-38: The modified uv pip install command and the addition of the DP_ENABLE_PYTORCH environment variable look good.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.47%. Comparing base (2bf0769) to head (d39e20f).

Additional details and impacted files

@@            Coverage Diff             @@
##            devel    #3787      +/-   ##
==========================================
- Coverage   82.49%   82.47%   -0.02%     
==========================================
  Files         515      515              
  Lines       48642    48642              
  Branches     2980     2979       -1     
==========================================
- Hits        40126    40117       -9     
- Misses       7605     7614       +9     
  Partials      911      911              

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