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How to create your own pip package example python

Being able to package your python project into a pip package is useful for distribution, and sharing with others especially if the code is generic enough to be useful in other projects).

This repo is base on the tutorial: from packaging.python.org

This repo allows you to learn

  • How do I create a python package which other people can install? (note: we skip the step of uploading/ publishing your package)
    • It's still useful to skip that step, because for local development , you can still pip install -e <your package>

This repo shows how to create a python pip package with modern python packaging (it's got a lot easier!). This example has a very simple add_one function, inside a python package you can pip install.

It may serve as a good example for more complex python packages, for example a pip package which depends on other pip packages etc.

How to install/use

  1. (Read the code) If you want to learn how to create yoru own, this might be a good example template.

  2. Install this package an example: instructions are below:

  • Clone this repo (e.g. /home/Documents/mypythonpackage),
    • Then, in a different folder (e.g. /home/Documents/another-python-project).
  • Create a python virtual env python3 -m venv venv
  • . venv/bin/activate
  • Now, install the python package in ediable mode e.g. pip install -e /home/Documents/mypythonpackage
  • Now you can use your python package like any other pip installed package:
    • Start python interpreter, then import and use the package:
      . venv/bin/activate
      python
      from example_python_package import add_one 
      add_one(1)
    

Full example running:

(venv) $ python
Python 3.9.5 (default, Jun  4 2021, 12:28:51) 
[GCC 7.5.0] :: Anaconda, Inc. on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from example_python_package import add_one
>>> add_one(1)
2
>>> 

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