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forked from s444420/AL-2020
AL-2020/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/commands/check.py

42 lines
1.4 KiB
Python

import logging
from pip._internal.cli.base_command import Command
from pip._internal.operations.check import (
check_package_set, create_package_set_from_installed,
)
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):
package_set, parsing_probs = create_package_set_from_installed()
missing, conflicting = check_package_set(package_set)
for project_name in missing:
version = package_set[project_name].version
for dependency in missing[project_name]:
logger.info(
"%s %s requires %s, which is not installed.",
project_name, version, dependency[0],
)
for project_name in conflicting:
version = package_set[project_name].version
for dep_name, dep_version, req in conflicting[project_name]:
logger.info(
"%s %s has requirement %s, but you have %s %s.",
project_name, version, req, dep_name, dep_version,
)
if missing or conflicting or parsing_probs:
return 1
else:
logger.info("No broken requirements found.")