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A changelog finder and parser.

Project description

https://img.shields.io/pypi/v/changelogs.svg https://img.shields.io/travis/pyupio/changelogs.svg Documentation Status Updates

A changelog finder and parser with command line interface for packages available on pypi, npm, rubygems and launchpad.net. Originally developed for pyup.io.

Installation

To install changelogs, run this command in your terminal:

$ pip install changelogs

Usage

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

About

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, NEWS.md or history.rst.
  • fetch the content and somewhat try to parse it.

History

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 code.google.com 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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