| import logging | |
| from optparse import Values | |
| from typing import List | |
| from pip._internal.cli.base_command import Command | |
| from pip._internal.cli.status_codes import ERROR, SUCCESS | |
| from pip._internal.metadata import get_default_environment | |
| from pip._internal.operations.check import ( | |
| check_package_set, | |
| check_unsupported, | |
| create_package_set_from_installed, | |
| ) | |
| from pip._internal.utils.compatibility_tags import get_supported | |
| from pip._internal.utils.misc import write_output | |
| logger = logging.getLogger(__name__) | |
| class CheckCommand(Command): | |
| """Verify installed packages have compatible dependencies.""" | |
| ignore_require_venv = True | |
| usage = """ | |
| %prog [options]""" | |
| def run(self, options: Values, args: List[str]) -> int: | |
| package_set, parsing_probs = create_package_set_from_installed() | |
| missing, conflicting = check_package_set(package_set) | |
| unsupported = list( | |
| check_unsupported( | |
| get_default_environment().iter_installed_distributions(), | |
| get_supported(), | |
| ) | |
| ) | |
| 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, | |
| ) | |
| for package in unsupported: | |
| write_output( | |
| "%s %s is not supported on this platform", | |
| package.raw_name, | |
| package.version, | |
| ) | |
| if missing or conflicting or parsing_probs or unsupported: | |
| return ERROR | |
| else: | |
| write_output("No broken requirements found.") | |
| return SUCCESS | |