pip install pipreqs
Usage: pipreqs [options] <path> Options: --use-local Use ONLY local package info instead of querying PyPI --pypi-server <url> Use custom PyPi server --proxy <url> Use Proxy, parameter will be passed to requests library. You can also just set the environments parameter in your terminal: $ export HTTP_PROXY="http://10.10.1.10:3128" $ export HTTPS_PROXY="https://10.10.1.10:1080" --debug Print debug information --ignore <dirs>... Ignore extra directories --encoding <charset> Use encoding parameter for file open --savepath <file> Save the list of requirements in the given file --print Output the list of requirements in the standard output --force Overwrite existing requirements.txt --diff <file> Compare modules in requirements.txt to project imports. --clean <file> Clean up requirements.txt by removing modules that are not imported in project. --mode <scheme> Enables dynamic versioning with <compat>, <gt> or <non-pin> schemes. <compat> | e.g. Flask~=1.1.2 <gt> | e.g. Flask>=1.1.2 <no-pin> | e.g. Flask
$ pipreqs /home/project/location Successfully saved requirements file in /home/project/location/requirements.txt
Contents of requirements.txt
wheel==0.23.0 Yarg==0.1.9 docopt==0.6.2
pip freeze
only saves the packages that are installed withpip install
in your environment.pip freeze
saves all packages in the environment including those that you don't use in your current project (if you don't havevirtualenv
).- and sometimes you just need to create
requirements.txt
for a new project without installing modules.