import logging
from optparse import Values
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
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