[Python] Check Package Dependencies

How to find a Python package's dependencies

from pip._vendor import pkg_resources

_package_name = 'zipline'

_package = pkg_resources.working_set.by_key[_package_name]

# retrieve dependencies from setup.py

for requirement in _package.requires():

print(requirement)

$ pip freeze

$ pip list

$ pip show pandas

$ pip check

pipdeptree

$ pip install pipdeptree

$ pipdeptree