Python Package Build Complexity Analysis
This skill helps you evaluate the build complexity of Python packages by analyzing their PyPI metadata. It determines whether a package likely requires compilation, assesses build complexity, and provides recommendations for wheel building strategies.
Instructions
When a user asks about Python package build complexity, building wheels, or evaluating PyPI packages for compilation requirements:
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Run the PyPI inspection script using the package name and optional version:
bash./scripts/pypi_inspect.py <package_name> [version]
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Analyze the output and provide interpretation focusing on:
Build Complexity Assessment
- •Compilation Requirements: Whether the package needs C/C++/Rust/Fortran compilation
- •Complexity Score: Numerical score indicating build difficulty (0-10+ scale)
- •Key Indicators: Specific classifiers, keywords, or dependencies that suggest complexity
Distribution Analysis
- •Source Distribution Availability: Whether sdist is available for building
- •Existing Wheels: What wheel types already exist (platform-specific, universal)
- •Wheel Coverage: Gaps in wheel availability that might need custom builds
Dependency Analysis
- •Complex Dependencies: Dependencies that themselves require compilation
- •Version Constraints: Python version requirements and compatibility
- •Transitive Complexity: How dependencies affect overall build complexity
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Provide actionable recommendations:
- •Whether to build from source or use existing wheels
- •Required build tools and dependencies
- •Platform-specific considerations
- •Estimated build time and resource requirements
Key Complexity Indicators
High Complexity (Score 5+)
- •Native extensions (C/C++/Rust/Fortran classifiers)
- •CUDA/GPU acceleration keywords
- •Known complex packages (torch, tensorflow, numpy, scipy)
- •Missing or limited wheel availability
- •Many compiled dependencies
Medium Complexity (Score 2-4)
- •Some compilation indicators in description/keywords
- •Platform-specific wheels only
- •Mixed dependency complexity
- •Moderate build requirements
Low Complexity (Score 0-1)
- •Pure Python packages
- •Universal wheels available
- •Simple dependencies
- •No compilation requirements
Usage Examples
Basic Package Analysis
./scripts/pypi_inspect.py torch
Interpretation: Analyze latest PyTorch version for build complexity, focusing on CUDA dependencies and compilation requirements.
Specific Version Analysis
./scripts/pypi_inspect.py numpy 1.24.3
Interpretation: Evaluate specific numpy version, explaining why numpy requires compilation and what build tools are needed.
JSON Output for Processing
./scripts/pypi_inspect.py tensorflow --json
Interpretation: Get structured data for programmatic analysis, then explain the complexity factors in plain language.
Providing Recommendations
Based on the analysis, provide specific guidance:
For High Complexity Packages
- •"This package requires significant compilation infrastructure"
- •"Consider using pre-built wheels when available"
- •"Building from source will need: [specific tools]"
- •"Estimated build time: [timeframe]"
For Wheel Building Strategies
- •"Universal wheels available - use those for maximum compatibility"
- •"Platform-specific wheels needed for: [platforms]"
- •"Source build recommended for: [specific scenarios]"
- •"Dependencies that complicate building: [list]"
For Development Planning
- •"Budget [time] for build environment setup"
- •"Consider containerized builds for reproducibility"
- •"Test on target platforms before production deployment"
- •"Monitor for new wheel releases that might eliminate build needs"
Error Handling
If the script fails or package is not found:
- •Verify package name spelling and availability on PyPI
- •Check if the package exists under a different name
- •Suggest alternative analysis approaches
- •Provide general guidance for unknown packages
Integration Notes
This skill works best when combined with:
- •python-packaging-license-finder - License information helps assess redistribution requirements
- •Package dependency analysis
- •Build environment setup
- •Continuous integration planning
- •Container build strategies