meson-python-packages-check

# Script to detect if a Python module requirement is satisfied.
#
# This should be handled by Meson instead of requiring a script, see:
# https://github.com/mesonbuild/meson/issues/2377

import pkg_resources

import sys

requirements =  sys.argv[1:]

returncode = 0

for requirement in requirements:
    try:
        pkg_resources.require(requirement)
    except pkg_resources.VersionConflict as e:
        sys.stderr.write("{}: Wanted Python dependency {}, got {}.\n".format(requirement, e.req, e.dist))
        returncode = 1
    except pkg_resources.DistributionNotFound as e:
        sys.stderr.write("{}: Required Python dependency {} was not found.\n".format(requirement, e.req))
        returncode = 1

sys.exit(returncode)