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A changelog finder and parser.

Project description Documentation Status Updates

A changelog finder and parser with command line interface for packages available on pypi, npm, rubygems and Originally developed for


To install changelogs, run this command in your terminal:

$ pip install changelogs


To use changelogs in a Python project:

import changelogs

logs = changelogs.get("flask")
logs = changelogs.get("babel", vendor="npm")
logs = changelogs.get("bundler", vendor="npm")

Or, from the command line:

changelogs flask
changelogs babel npm
changelogs bundler gem

If you are on macOS, you can chain the open command:

changelogs babel npm >> babel.log && open babel.log


When trying to get a changelog for a given package, there are a bunch of problems:

  • There is no central place to store a changelog. If a project has a changelog, it’s most likely somewhere in the git repo at all kinds of different places. This makes it hard to find.

  • The package index meta data often has no direct link to the git repo. This makes the repo hard to find.

  • There is no changelog standard. Everyone uses a different approach. This makes it hard to parse.

This project is trying to solve this by:

  • first querying the package vendor for package meta data like the homepage or docs URL.

  • if the meta data doesn’t contain a valid URL to a repo, visit all available URLs and scrape them to find one.

  • if there is a valid repo URL, visit the repo and look for possible changelogs like Changes.txt, or history.rst.

  • fetch the content and somewhat try to parse it.


0.15.0 (2020-12-27)

  • Removed support for Python 2.7, 3.4 and 3.5

  • Added support for Python 3.9

  • Getting proper changelogs for beautifulsoup4 PyPi package again

  • Getting proper changelogs for synapse PyPi package again

  • Stopped using bumpversion

  • Updated PyPi map.txt to reflect different packages changelogs location changes

  • Fixed bug while processing domain-only URLs (#155)

0.14.0 (2018-01-9)

  • Added a pypi/map.txt file to add custom URLS more easily

  • Added a bunch of custom URLS: - pytest-flake8 - cornice.ext.swagger - python-social-core - python-social-auth - cx-oracle - plotnine - django-hijack - pyinvoke - gitpython - python-memcached - appenlight-client

0.13.0 (2018-01-9)

  • Added a bunch of custom parser: - robozilla - websocket-client - pep8-naming - py-trello - synapse - django-haystack - libsass - lazy-object-proxy

0.12.0 (2017-05-18)

  • Added a bunch of custom parser: - flake8 - pyyaml - six - factory-boy - jinja2 - docutils - sphinx-rtd-theme - whitenoise - numpy - beautifulsoup4 - mccabe - django-braces - alabaster - cffi - django-coverage-plugin - newrelic - pandas - twine - pep8-naming - django-storages-redux - pbr

0.11.0 (2017-05-10)

  • The changelog finder now checks repo URLs if they contain the given project name. This should make it easier to identify false changelogs.

  • Fixed a couple of internal errors on edge cases.

  • Added custom parsers for: - graphene - beautifulsoup4

0.10.0 (2017-04-26)

  • Added support for GitHub release pages

  • Added experimental support for git commit log parsing

0.9.0 (2017-04-05)

  • Fix issue with custom parsing of packages with different case.

  • Catch errors from launchpad.

  • Add support for changing project name when switching vendors.

  • Add support for finding URLs in the project description.

  • Add support for ex projects, now moved to github.

  • Add support for parsing sourceforge repos.

  • Added custom parser: - alembic - genshi - imapclient - mako - pyinotify - python-ldap - redis - uwsgi - pyaudio

0.8.0 (2017-03-29)

  • added custom parser: - mysqlclient, thanks @alexkiro

  • added custom launchpad backend, thanks to @alexkiro

0.7.0 (2017-03-06)

  • added custom parsers - cheroot - pyparsing - gunicorn - sqlalchemy - djangorestframework

  • tweaked the get_head function

0.6.1 (2017-02-08)

  • added flake8 special parser

0.6.0 (2017-02-03)

  • tweaked the parser, included tests for openpyxl

0.5.0 (2017-01-23)

  • include docs-src as docs candidate

0.4.0 (2017-01-23)

  • add better support for NPM packages

0.3.3 (2017-01-05)

  • fix packagin error (hopefully)

0.3.2 (2017-01-05)

  • use modules for custom imports, for packaging

0.3.1 (2017-01-03)

  • the find_changelogs and get_urls functions now also return the repo URLs

0.3.0 (2017-01-03)

  • allow to swap in the find_changelogs function

0.2.0 (2016-12-27)

  • added support for rubygems

  • added support for npm

0.1.0 (2016-12-19)

  • First release on PyPI.

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