Twisted History of Python Packaging

Python Packaging has had a more than less than ideal evolution. This talk aims to clarify this evolution so we can build a better future.

Transcript

1. Twisted history of Python Packaging
2. Mahdi Yusuf @myusuf3 Pycoder’s Weekly
3. FOCUS UP. This journey is a story of growth which is often extremely convoluted.
4. setup.py developers pypi metadata end user
6. import os import sys try: from setuptools import setup except ImportError: from distutils.core import setup sys.path.insert(0, os.path.dirname(os.path.abspath(__file__))) from octogit import __version__ def publish(): os.system("python setup.py sdist upload") if sys.argv[-1] == "publish": publish() sys.exit() dependencies = ['clint2','requests'] setup( name='octogit', version=".".join(str(x) for x in __version__), description='giving git tentacles to work better with github', url='https://github.com/myusuf3/octogit', author='Mahdi Yusuf', author_email='yusuf.mahdi@gmail.com', install_requires=dependencies, tests_require=['tox==1.3'], packages=['octogit', ], license='MIT License', long_description=open('README.rst').read(), entry_points={ 'console_scripts': [ 'octogit = octogit.cli:begin', ], }, classifiers=( 'Development Status :: 4 - Beta', 'Intended Audience :: Developers', 'Natural Language :: English', 'License :: OSI Approved :: MIT License', 'Programming Language :: Python', 'Programming Language :: Python :: 2.6', 'Programming Language :: Python :: 2.7', ))
7. distribute distutils2 setuptools distutils
8. distutils from distutils.core import setup setup(name='sadness', version='11.0', py_modules=['sadistic.py']) $ python setup.py sdist $ python setup.py install
9. distutils No dependency management.
10. distutils No consistent way to reproduce an installation.
11. distutils Not all metadata is handled.
12. distribute distutils2 setuptools distutils
13. setuptools built on distutils.
14. setuptools no way to uninstall installed packages.
15. setuptools provides dependency management.
16. setuptools introduces easy_install.
17. setuptools eggs.
18. setuptools misunderstood.
19. distribute distutils2 setuptools distutils
20. distribute fork of setuptools.
21. distribute distutils2 setuptools distutils
22. versioning. distutils2
23. 1.1 “Return of the Mac” Musky Monkey demo5.unreleased 5 6 42 Public API Changes Features, Deprecations Bug Fixes
24. setup.cfg distutils2
25. distutils2 [metadata] name = sadness version = 11.0 author = Mahdi Yusuf author-email = mahdi@sadness.co.uk summary = sending you sadness description-file = README.rst project-url: http://www.twitter.com/myusuf3 [files] packages = sadness extra_files = setup.py README resources = etc/pytz.timezones
26. distutils2 pysetup.
27. defined requirements based on environment. distutils2
28. discontinued? distutils2
29. Attack of the PEPS
30. PEP 386 -- Changing the version comparison modules PEP 376 -- Database of Installed Python Distributions PEP 345 -- Metadata for Python Software Packages 1.2
31. setuptools easy_install distribute pip old busted new hawtness
32. fin. twitter.com/myusuf3