Answer: How to upgrade all Python packages with pip

answer re: How to upgrade all Python packages with pip

Apr 30 '11

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You can use the following Python code. Unlike pip freeze, this will not print warnings and FIXME errors For pip < 10.0.1

import pip
from subprocess import call

packages = [dist.project_name for dist in pip.get_installed_distributions()]
call("pip install --upgrade " + ' '.join(packages), shell=True)

For pip >= 10.0.1

import pkg_resources

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