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env-finder

@opendatahub-io/ai-helpers
8
0

Investigate environment variables that can be set when building Python wheels for a given project. Analyzes setup.py, CMake files, and other build configuration files to discover customizable build environment variables.

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SKILL.md

name env-finder
description Investigate environment variables that can be set when building Python wheels for a given project. Analyzes setup.py, CMake files, and other build configuration files to discover customizable build environment variables.
allowed-tools Bash, Read, Grep, Glob

Python Build Environment Variables Investigation

This skill helps you discover all environment variables that can be set when building Python wheels for a project. It performs a comprehensive analysis of build configuration files to identify customizable environment variables used during the wheel building process.

Instructions

When a user asks about environment variables for building Python wheels, investigating build configuration, or understanding build customization options:

  1. Run the Environment Variables Investigation Script:

    ./scripts/env_finder.py [project_path]

  2. Analyze and present the findings focusing on:

    Build Configuration Variables

    • Setup.py Variables: Environment variables used in setup.py for customizing builds
    • CMake Variables: Variables defined in CMakeLists.txt and related files
    • Build Tool Variables: Variables used by setuptools, distutils, or other build systems
    • Compiler Variables: Variables affecting compilation (CC, CXX, CFLAGS, etc.)

    Variable Categories

    Compiler and Linker Variables

    • CC, CXX - Compiler selection
    • CFLAGS, CXXFLAGS - Compilation flags
    • LDFLAGS - Linker flags
    • LIBS - Additional libraries

    Path Configuration Variables

    • PREFIX - Installation prefix
    • LIBRARY_PATH - Library search paths
    • INCLUDE_PATH - Header file paths
    • PKG_CONFIG_PATH - pkg-config search paths

    Feature Control Variables

    • ENABLE_* - Feature enable/disable flags
    • WITH_* - Optional component inclusion
    • USE_* - Build option selection
    • DISABLE_* - Feature disable flags

    Python-Specific Variables

    • PYTHON_INCLUDE_DIR - Python headers location
    • PYTHON_LIBRARY - Python library path
    • SETUPTOOLS_* - Setuptools configuration
    • PIP_* - pip-related build variables

    Usage Context

    • When Variables Are Used: During which build phase each variable takes effect
    • Default Values: What happens when variables are not set
    • Required vs Optional: Which variables are mandatory for successful builds

  3. Provide actionable guidance:

    • How to set each variable for custom builds
    • Common use cases for each variable
    • Potential conflicts or compatibility issues
    • Recommended values for different scenarios

Output Format

The skill should provide a structured list of environment variables with:

  1. Variable Name: Exact environment variable name
  2. Purpose: Clear description of what the variable controls
  3. Type: Expected value type (path, boolean, string, number)
  4. Default Value: What happens when not set
  5. Source File: Where the variable was discovered
  6. Usage Context: When and how the variable is used

Error Handling and Edge Cases

No Build Configuration Found

  • Report that no environment variables were found
  • Most packages don't have build configuration so it is fine