Flit is a simple way to put Python packages and modules on PyPI.
Say you’re writing a module
foobar—either as a single file
or as a directory—and you want to distribute it.
Make sure that foobar’s docstring starts with a one-line summary of what the module is, and that it has a
"""An amazing sample package!""" __version__ = '0.1'
Create a file
flit.ininext to the module. It should look like this:
[metadata] module=foobar author=Sir Robin email@example.com home-page=http://github.com/sirrobin/foobar # If you want command line scripts, this is how to declare them. # If not, you can leave this section out completely. [scripts] # foobar:main means the script will do: from foobar import main; main() foobar=foobar:main
You can use
flit initto easily create a basic
flit.inifile for your package.
Besides the details shown above, there are other fields you can add—see the flit.ini page of the docs.
Install flit if you don’t already have it:
pip install flit
Run this command to upload your code to PyPI:
flit wheel --upload
If your package is not registered on PyPI yet, flit will try to register it for you during the upload step.
To install a package locally for development, run:
flit install [--symlink] [--python path/to/python]
Flit only creates packages in the new ‘wheel’ format. People using older versions of pip (<1.5) or easy_install will not be able to install them. People may also want a traditional sdist for other reasons, such as Linux distro packaging. I hope that these problems will diminish over time.
Flit packages a single importable module or package at a time, using the import name as the name on PyPI. All subpackages and data files within a package are included automatically.
Flit requires Python 3, but you can use it to distribute modules for Python 2, so long as they can be imported on Python 3.
New in version 0.10.
Setting this to any non-empty value will stop flit from making network connections (unless you explicitly ask to upload or register a package). This is intended for downstream packagers, so if you use this, it’s up to you to ensure any necessary dependencies are installed.
flit installwill fail when run as root on POSIX systems, because installing Python modules systemwide is not recommended. Setting this to any non-empty value allows installation as root. It has no effect on Windows.