Install Python packages from a local package index
The Problem
How can I use PIP to install packages from a local index on my hard drive instead of downloading them from PyPI.org?
The Solution
Assuming we want to install the requests package from a local package index stored in /opt/pythonpackages, we can run this command:
pip install requests --no-index --find-links file:///opt/pythonpackages
The --no-index flag will prevent PIP from accessing PIP, forcing it to search for the requests package in the URL provided to the --find-links flag – our local index at /opt/pythonpackages.
We can use these flags with any pip install command, including one to install from requirements.txt.
pip install -r requirements.txt --no-index --find-links file:///opt/pythonpackages
If we want to install packages from PyPI or our local index instead of excluding PyPI entirely, we can remove the --no-index flag. PIP will install the latest version it finds.
pip install -r requirements.txt --find-links file:///opt/pythonpackages
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