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release-ulmo
openedx/core/lib/command_utils.py
49 строк
2 KB
Usama Sadiq
refactor: pyupgrade second iteration (#27459)
10 май 2021, 11:56
Не верифицирован
10 май 2021, 11:56
64752ed
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""" Useful utilities for management commands. """ from django.core.management.base import CommandError from opaque_keys import InvalidKeyError from opaque_keys.edx.keys import CourseKey def get_mutually_exclusive_required_option(options, *selections): """ Validates that exactly one of the 2 given options is specified. Returns the name of the found option. """ selected = [sel for sel in selections if options.get(sel)] if len(selected) != 1: selection_string = ', '.join(f'--{selection}' for selection in selections) raise CommandError(f'Must specify exactly one of {selection_string}') return selected[0] def validate_mutually_exclusive_option(options, option_1, option_2): """ Validates that both of the 2 given options are not specified. """ if options.get(option_1) and options.get(option_2): raise CommandError(f'Both --{option_1} and --{option_2} cannot be specified.') def validate_dependent_option(options, dependent_option, depending_on_option): """ Validates that option_1 is specified if dependent_option is specified. """ if options.get(dependent_option) and not options.get(depending_on_option): raise CommandError(f'Option --{dependent_option} requires option --{depending_on_option}.') def parse_course_keys(course_key_strings): """ Parses and returns a list of CourseKey objects from the given list of course key strings. """ try: return [CourseKey.from_string(course_key_string) for course_key_string in course_key_strings] except InvalidKeyError as error: raise CommandError(f'Invalid key specified: {str(error)}') # lint-amnesty, pylint: disable=raise-missing-from