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Secret Recipes of the Python Ninja
book

Secret Recipes of the Python Ninja

by Cody Jackson
May 2018
Intermediate to advanced content levelIntermediate to advanced
380 pages
9h 37m
English
Packt Publishing
Content preview from Secret Recipes of the Python Ninja

Using local patches and constraint files

The benefit of open-source software is the ability to view and modify source code. If you are working on a project and create a local version of a PyPI module, such as customizing for a project or creating a patch, requirements.txt can be used to override the normal download of the file.

Constraints files are a modification of requirements files that simply indicate what version of a library is installed, but they don't actually control the installation of files.

One example of using a constraints file is when using a local patched version of a PyPI module, for example, ReqFile. Some software packages downloaded from PyPI rely on ReqFile, but other packages don't. Rather than writing a requirements ...

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Publisher Resources

ISBN: 9781788294874Supplemental Content