Current File : //opt/alt/python36/lib/python3.6/site-packages/pip/_internal/commands/check.py
import logging
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
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
logger = logging.getLogger(__name__)
if MYPY_CHECK_RUNNING:
from typing import List, Any
from optparse import Values
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
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