Modernize Python packaging with pyproject.toml and enhanced compatibility.#755
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This modernization brings FastReID up to current Python packaging standards and makes installation more reliable across different environments. The changes include adding modern pyproject.toml with proper dependency management. The new configuration supports Python 3.8-3.12 with proper version constraints. CLI entry points have been added for fastreid-train, fastreid-test, and fastreid-demo commands. The installation documentation has been updated to reflect modern practices. Backward compatibility is maintained with the existing setup.py file. Optional dependencies have been organized for GPU support, FAISS integration, and development tools. This modernization significantly improves the user experience and aligns FastReID with current Python packaging standards.
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Summary:
This PR modernizes FastReID's packaging system by migrating from traditional setup.py to modern pyproject.toml, bringing the project up to current Python packaging standards and improving installation reliability across different environments.
Key Changes:
Modern Packaging
The changes include a complete migration to PEP 517/518 standards with pyproject.toml. Extended compatibility has been added to latest Python versions 3.8-3.12. Proper version constraints and optional dependencies have been implemented. CLI entry points have been added for fastreid-train, fastreid-test, and fastreid-demo commands.
Installation Improvements:
Simplified installation is now available with pip install fastreid and proper dependency resolution. Optional dependencies have been organized for GPU support, FAISS integration, and development tools. Backward compatibility has been maintained with setup.cfg for legacy systems.
Developer Experience:
Proper development tools have been included such as pytest, black, isort, and flake8. Direct command-line access to FastReID tools is now available through entry points. The implementation follows current Python packaging best practices.
Benefits:
Testing:
Installation from source works correctly. CLI entry points function properly. All dependencies resolve correctly. Backward compatibility has been maintained.
Changes:
The minimum Python version has been increased to 3.8 from 3.6. Some internal import paths may change as CLI tools now have proper entry points.
Migration Guide:
For users upgrading, the old way was python tools/train.py --config-file configs/... and the new way is fastreid-train --config-file configs/...
This change significantly improves the user experience and brings FastReID in line with modern Python packaging standards.