This post is linked to from the FOSS Python App Project

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At a high level, the steps to upload a package to PyPi are as follows:

1. Write the project code
2. Create a release on GitHub and put it in the download_url of setup.py
3. Write a setup.py file to build and describe the project
4. Write a setup.cfg file pointing to the readme
5. create a source distribution

Write the project code

I'm not going to cover how to build a python project in this post, but here's the very small and simple project I used when learning this procedure: GitHub: kylep/jsc2f.

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Create a Release on GitHub

Log into your GitHub project and click on releases. If you can't find the link, you can also just append /releases to the end of the URL to get there.

Click "Create a new release". Enter your tag and branch, along with a release title and description.

Under the Assets section of the new release there's a (tar.gz) link to download the source code. If you right click it and copy the URL, that's used next in the setup.py file.

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Write a setup.py file

Here's mine. Check GitHub to see if I've changed it. The download_url value comes from the GitHub release.

from setuptools import setup

# Without this you'll get no description on the pypi site
with open("README.md", "r") as fh:
    long_description = fh.read()

setup(
    name='jsc2f',
    packages=['jsc2f'], # Alternatively you can use find_packages()
    version='0.1', # match the github release you make later
    license='MIT', # match the LICENSE file in the project
    description='Saves a JSON fields SQLs cell to a file, or UPDATE it back',
    author='Kyle Pericak',
    author_email='[email protected]',
    url='kyle.pericak.com/jsc2f', # either your own page or github
    download_url='https://github.com/kylep/jsc2f/archive/v0.1.tar.gz',
    keywords=['SQL', 'JSON', 'file'],
    install_requires=[
        'click',
        'mysql-connector'
    ],
    entry_points='''
        [console_scripts]
        jsc2f=jsc2f.cli:cli
    ''',
    classifiers=[
        'Development Status :: 3 - Alpha',
        'Intended Audience :: Information Technology',
        'Topic :: Database',
        'Programming Language :: Python :: 3',
        'License :: OSI Approved :: MIT License',
        'Natural Language :: English'

Picking a topic:

I used this classifier list

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Write setup.cfg

This goes in the project root next to setup.py.

vi setup.cfg

[metadata]
description-file = README.md

Creating a source distribution

For this you use the python sdist tool and twine.

From the git project root:

pip install twine

# This will create dist/
python setup.py sdist

# Twine uploads the dist/ files to Pypi
twine upload --skip-existing dist/*
# Enter your username and password for PyPI