If your Python project has a very short list of required packages (in requirements, pipfile, etc), it’s easy to see all packages you have. But on large projects, the dependencies can run pretty long, not to mention the dependencies for the required packages. And what about learning more about those dependencies?
pip list
Will list all installed packages
pip show <package_name>
Will show information about installed packages and if you’re lucky, what other package requires that dependency
And, of course, pip -h will show all other pip options.
Example:
requirements.txt
Django>=3.1.0,<3.2.0
djangorestframework>=3.12.2,<3.13.0
psycopg2>=2.8.6,<2.9.0
Pillow>=8.1.0,<8.2.0
flake8>=3.8.4,<3.9.0
List my packages:
# pip list
Package Version
------------------- -------
asgiref 3.3.1
Django 3.1.7
djangorestframework 3.12.2
flake8 3.8.4
mccabe 0.6.1
Pillow 8.1.0
pip 21.0.1
psycopg2 2.8.6
pycodestyle 2.6.0
pyflakes 2.2.0
pytz 2021.1
setuptools 53.0.0
sqlparse 0.4.1
wheel 0.36.2
Show more about one package:
# pip show pyflakes
Name: pyflakes
Version: 2.2.0
Summary: passive checker of Python programs
Home-page: https://github.com/PyCQA/pyflakes
Author: A lot of people
Author-email: code-quality@python.org
License: MIT
Location: /usr/local/lib/python3.9/site-packages
Requires:
Required-by: flake8
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List installed packages in Python
The post TIL: installed packages in Python – list, and show _was originally published at _flaviabastos.ca
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