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Title basically says it all. How can I tell pip freeze to ignore certain packages, like pylint and pep8, and their dependencies?
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pip freeze might seem very useful initially but it can mess up your project because of the following reasons: It dumps all the libraries installed in your project including dependencies and sub-dependencies in the requirements.
The recommended approach is to use a requirements. txt file (readthedocs.org) that contains a list of commands for pip that installs the required versions of dependent packages. The most common command is pip freeze > requirements. txt , which records an environment's current package list into requirements.
You just need to delete the venv folder and initialize new one.
pip freeze , like conda list --export , is more for generating requirements files for your environment. For example, if you have created a package in your customized environment with certain dependencies, you can do conda list --export > requirements.
My approach is the following:
.bashrc I create the following alias: alias pipfreezeignore='pip freeze | grep -vFxf ignore_requirements.txt'
pip install jedi flake8 importmagic autopep8 yapf).ignore_requirements.txt file, as in pip freeze > ignore_requirements.txt.pip install django)pipfreezeignore > requirements.txt (in the same folder where ignore_requirements.txt is) so I just get in requirements.txt the installed packages that are not in ignore_requirements.txt If you always want to ignore the same packages (through all your virtual environments), you might redefine the alias as in alias pipfreezeignore='pip freeze | grep -vFxf /abs/path/to/ignore_requirements.txt'
Just make sure that no packages from ignore_requirements.txt are not actually necessary for your project.
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