requirements.txt

Manage required Python packages with requirements.txt:

>> cd %DIR_PROJECT%
>> pip freeze > requirements.txt # output list of installed Python packages and versions
>> pip install -r requirements.txt
>> python -m pip check # check for missing dependencies

https://stackoverflow.com/questions/29222269/is-there-a-way-to-have-a-conditional-requirements-txt-file-for-my-python-applica https://stackoverflow.com/questions/11889932/specify-python-version-for-virtualenv-in-requirements-txt Python version dependencies can be managed https://stackoverflow.com/questions/19559247/requirements-txt-depending-on-python-version