Method one PIP Freeze
pip freeze > requirements.txt
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In this way, all dependencies in the environment will be added. If the global environment is used, all downloaded packages will be included, regardless of the dependencies of the current project. So method one applies to a clean virtual environment
Method 2 pipreqs
pip install pipreqs
# --forece overwrites the original requirements.txt
pipreqs . --encoding=utf-8 --force
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Use requirements. TXT
pip install -r requirements.txt
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END ( ・´ω`・ )