{"library":"stdlibs","title":"stdlibs: Python Standard Library Module Listing","type":"library","description":"The `stdlibs` Python package (also known as `stdlib-list` on GitHub) provides a static, programmatic listing of modules in the Python standard library. It offers lists for various Python major releases, dating back to Python 2.3, and combined lists for all 3.x or 2.x modules. This package is primarily used by tools for static analysis, linting, and other applications that need an authoritative, historical record of standard library module names. As of version 2026.2.26, it continues to track changes in the CPython standard library and appears to follow a date-based release cadence, indicating active maintenance.","language":"python","status":"active","last_verified":"Thu May 21","install":{"commands":["pip install stdlibs"],"cli":null},"imports":["import stdlibs\nprint(stdlibs.module_names)","import stdlibs\nprint(stdlibs.py310)"],"auth":{"required":false,"env_vars":[]},"links":{"homepage":"https://stdlibs.omnilib.dev","github":"https://github.com/omnilib/stdlibs","docs":"https://stdlibs.omnilib.dev/en/latest/","changelog":null,"pypi":"https://pypi.org/project/stdlibs/","npm":null,"openapi_spec":null,"status_page":null,"smithery":null},"quickstart":{"code":"import stdlibs\n\n# Get a list of all module names ever available in Python 3.x\nall_py3_modules = stdlibs.py3_all\nprint(f\"Total Python 3.x modules recorded: {len(all_py3_modules)}\")\n\n# Get the list of modules for a specific Python version (e.g., Python 3.9)\npy39_modules = stdlibs.py39\nprint(f\"Python 3.9 modules: {py39_modules[:5]}...\")\n\n# Check if a module exists in a specific version\nis_asyncio_in_py34 = 'asyncio' in stdlibs.py34\nprint(f\"Is 'asyncio' in Python 3.4 stdlib? {is_asyncio_in_py34}\")","lang":"python","description":"Demonstrates how to import the `stdlibs` package and access its various lists of standard library module names for different Python versions. The primary attributes are `module_names` (a superset of 3.x modules) and `pyXX` for specific Python versions (e.g., 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