pyupgrade mit Homebrew, apt, MacPorts, Nix, pacman installieren

Projektlinks

• Homepage
• Paketmanager-Seite

Befehle und Aliase

• pyupgrade

Projektgeschichte

Anthony Sottile developed pyupgrade as a command-line program and pre-commit hook for automatically modernizing Python syntax. The project accumulated transformations for language changes ranging from set literals and f-strings to removal of Python 2 compatibility constructs and outdated standard-library aliases.

The tool follows an explicit-target model: maintainers select flags such as `--py36-plus` or later equivalents so rewrites are constrained by the minimum Python version their project supports.

Adoptionsgeschichte

pyupgrade became available across several packaging ecosystems, including PyPI, Homebrew, Debian and Ubuntu, MacPorts, Arch Linux, and Nix. Its official pre-commit hook also made it straightforward to apply automatically during commits.

Wie es verwendet wird

Users run `pyupgrade` against Python files or configure its official pre-commit hook. Minimum-version flags enable transformations that would be unsafe for older interpreters.

Typical use accompanies a minimum-supported-Python bump, removes redundant compatibility code, and modernizes constructs such as formatting expressions, imports, type declarations, and standard-library aliases.

Warum Paket-Nerds sich dafür interessieren

pyupgrade captures Python-version migration knowledge as repeatable source transformations. Package maintainers value it because raising a project's minimum Python version can be followed by a mechanical cleanup of obsolete compatibility syntax, imports, and idioms.

Zeitleiste

• Early project: pyupgrade was established as both a standalone command and a pre-commit hook.
• Subsequent development: Version-target flags and an extensive catalog of syntax, import, and compatibility rewrites were added.
• Ongoing adoption: The tool is packaged by multiple Unix-like operating-system and language-package ecosystems.

Related projects

• pre-commit provides the hook framework documented by pyupgrade.
• python-modernize and six address older Python compatibility concerns that pyupgrade can remove when a project no longer needs those compatibility layers.
• reorder-python-imports is another source-maintenance tool referenced by the official README.

Quellen

• https://github.com/asottile/pyupgrade#readme
• https://github.com/asottile/pyupgrade/releases