{"id":6435,"library":"pyston-autoload","title":"Pyston Autoload","description":"Pyston-Autoload automatically detects and enables the Pyston JIT compiler when imported, aiming to provide performance improvements for Python applications. It acts as a bootstrap mechanism for the Pyston runtime. The current version is 2.3.5, and it generally follows the release cadence of the underlying Pyston project.","status":"active","version":"2.3.5","language":"python","source_language":"en","source_url":"https://www.github.com/pyston/pyston","tags":["performance","jit","python-runtime","optimization","pyston"],"install":[{"cmd":"pip install pyston-autoload","lang":"bash","label":"Install for full Pyston"},{"cmd":"pip install pyston_lite_autoload","lang":"bash","label":"Install for Pyston-Lite (extension module)"}],"dependencies":[],"imports":[{"symbol":"pyston_autoload","correct":"import pyston_autoload"}],"quickstart":{"code":"import pyston_autoload\nimport sys\n\nprint(f\"Pyston Autoload imported. This enables the Pyston JIT if the Pyston runtime is detected.\")\nprint(f\"Current Python version: {sys.version}\")\n\n# Run some typical Python code. If Pyston is active, it may run faster.\ndef fib(n):\n    if n <= 1:\n        return n\n    else:\n        return fib(n-1) + fib(n-2)\n\nprint(f\"Calculating fib(10): {fib(10)}\")","lang":"python","description":"This quickstart demonstrates the core usage of `pyston-autoload`: a simple import at the beginning of your script. This import will automatically enable the Pyston JIT if a compatible Pyston runtime is found in the environment. If Pyston is not detected, the import will succeed, but the JIT will not be active."},"warnings":[{"fix":"Ensure Pyston (or Pyston-Lite) is correctly installed for your system architecture and distribution *before* installing and importing `pyston-autoload`.","message":"Pyston-Autoload only *enables* an existing Pyston runtime; it does not install Pyston itself. Pyston often requires platform-specific installation methods (e.g., .deb packages, portable archives, or conda environments) which need to be set up independently.","severity":"gotcha","affected_versions":"All versions"},{"fix":"Choose the correct autoload package based on your Pyston installation strategy: `pyston-autoload` for full Pyston, `pyston_lite_autoload` if you're installing `pyston_lite` via `pip install pyston_lite_autoload`.","message":"A distinction exists between `pyston-autoload` and `pyston_lite_autoload`. `pyston-autoload` is for the full Pyston distribution, while `pyston_lite_autoload` (introduced in v2.3.4) is for `pyston_lite`, which is distributed as a Python extension module via PyPI.","severity":"gotcha","affected_versions":">=2.3.4"},{"fix":"Place `import pyston_autoload` at the top of your primary Python script or module that runs your application.","message":"To ensure Pyston's JIT is active for the entire application, `import pyston_autoload` should be one of the very first statements in your main application script.","severity":"gotcha","affected_versions":"All versions"},{"fix":"Upgrade your operating system to Ubuntu 18.04 or newer, or use a portable Pyston release based on a supported OS version.","message":"Support for Ubuntu 16.04 was removed due to dependencies removing support. This means portable releases are now based on Ubuntu 18.04.","severity":"breaking","affected_versions":">=2.3.2"},{"fix":"When installing the Pyston runtime, download the package corresponding to your CPU architecture (e.g., `amd64` or `arm64`). This is particularly important for the full Pyston distribution.","message":"Pyston is distributed with architecture-specific packages (e.g., `amd64` for Intel/AMD x86_64, `arm64` for aarch64 ARM CPUs). Ensure the underlying Pyston runtime matches your system's architecture.","severity":"gotcha","affected_versions":"All versions"}],"env_vars":null,"search_vec":"'2.3.5':38 'act':25 'aim':16 'applic':23 'autoload':2,5 'automat':6 'bootstrap':28 'cadenc':45 'compil':13 'current':35 'detect':7 'enabl':9 'follow':42 'general':41 'import':15 'improv':20 'jit':12,52 'mechan':29 'optim':56 'perform':19,51 'project':50 'provid':18 'pyston':1,4,11,32,49,57 'pyston-autoload':3 'python':22,54 'python-runtim':53 'releas':44 'runtim':33,55 'under':48 'version':36","created_at":"2026-04-15T05:37:11.405799+00:00","updated_at":"2026-04-16T19:53:54.270978+00:00","problems":{"verify_error":"× No solution found when resolving dependencies:\n  ╰─▶ Because only pyston-autoload==2.3.5 is available and\n      pyston-autoload==2.3.5 has no wheels with a matching Python ABI tag\n      (e.g., `cp312`), we can conclude that all versions of pyston-autoload\n      cannot be used.\n      And because yo"},"ecosystem":"pypi","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":"2.3.5","cli_name":"","cli_version":null,"type":"library","homepage":null,"github":null,"docs":null,"changelog":null,"pypi":"https://pypi.org/project/pyston-autoload/","npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["devops"],"base_url":null,"auth_type":null,"provenance":{"verified_status":"install_fail","verified_at":"2026-06-28","last_verified":"2026-06-28","next_check":"2026-07-05","install_tag":null}}