pip freeze

Usage

pip freeze [options]

Description

Output installed packages in requirements format.

Options

-r,--requirement<file>

1. Generate output suitable for a requirements file.

$ pip freeze
Jinja2==2.6
Pygments==1.5
Sphinx==1.1.3
docutils==0.9.1

2. Generate a requirements file and then install from it in another environment.

$ env1/bin/pip freeze > requirements.txt
$ env2/bin/pip install -r requirements.txt