trove-classifiers 2026.5.20.19

Canonical source for classifiers on PyPI (pypi.org).

Canonical source for classifiers on PyPI.

Classifiers categorize projects per PEP 301. Use this package to validate classifiers in packages for PyPI upload or download.

Usage

To install from PyPI:

$ pip install trove-classifiers

This package can be invoked as a module to print a list of classifiers:

$ python -m trove_classifiers | grep -Ei pyramid
Framework :: Pyramid

In addition, this package's API is two importable objects:

Classifiers (trove_classifiers.classifiers)

A set containing classifiers (as strings). Useful for determining membership.

Example - determine if a classifier is valid:

>>> from trove_classifiers import classifiers
>>> 'License :: OSI Approved' in classifiers
True
>>> 'Fuzzy :: Wuzzy :: Was :: A :: Bear' in classifiers
False
>>>

Deprecated classifiers (trove_classifiers.deprecated_classifiers)

A dict, mapping a deprecated classifier (string) to a list of classifiers which replaces it (strings).

Example - determine if a classifier is deprecated:

>>> from trove_classifiers import deprecated_classifiers
>>> 'License :: OSI Approved' in deprecated_classifiers
False
>>> 'Natural Language :: Ukranian' in deprecated_classifiers
True
>>> deprecated_classifiers["Natural Language :: Ukranian"]
['Natural Language :: Ukrainian']