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- import logging
- from optparse import Values
- from typing import Any, List
- from pip._internal.cli.base_command import Command
- from pip._internal.cli.status_codes import ERROR, SUCCESS
- from pip._internal.operations.check import (
- check_package_set,
- create_package_set_from_installed,
- )
- from pip._internal.utils.misc import write_output
- logger = logging.getLogger(__name__)
- class CheckCommand(Command):
- """Verify installed packages have compatible dependencies."""
- usage = """
- %prog [options]"""
- def run(self, options, args):
- # type: (Values, List[Any]) -> int
- 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]:
- write_output(
- "%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]:
- write_output(
- "%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 ERROR
- else:
- write_output("No broken requirements found.")
- return SUCCESS
|
