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- import logging
- from pip.basecommand import Command
- from pip.operations.check import check_requirements
- from pip.utils import get_installed_distributions
- logger = logging.getLogger(__name__)
- class CheckCommand(Command):
- """Verify installed packages have compatible dependencies."""
- name = 'check'
- usage = """
- %prog [options]"""
- summary = 'Verify installed packages have compatible dependencies.'
- def run(self, options, args):
- dists = get_installed_distributions(local_only=False, skip=())
- missing_reqs_dict, incompatible_reqs_dict = check_requirements(dists)
- for dist in dists:
- key = '%s==%s' % (dist.project_name, dist.version)
- for requirement in missing_reqs_dict.get(key, []):
- logger.info(
- "%s %s requires %s, which is not installed.",
- dist.project_name, dist.version, requirement.project_name)
- for requirement, actual in incompatible_reqs_dict.get(key, []):
- logger.info(
- "%s %s has requirement %s, but you have %s %s.",
- dist.project_name, dist.version, requirement,
- actual.project_name, actual.version)
- if missing_reqs_dict or incompatible_reqs_dict:
- return 1
- else:
- logger.info("No broken requirements found.")
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