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#!/usr/bin/env python
# --------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------------------------
# This script is used to verify that packages are not importable. This is especially useful when
# running checks without the presence of "optional" packages like aiohttp.
import argparse
import logging
import os
import sys
root_dir = os.path.abspath(os.path.join(os.path.abspath(__file__), "..", "..", ".."))
from ci_tools.parsing import ParsedSetup, get_name_from_specifier
logging.getLogger().setLevel(logging.INFO)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Ensures that an environment doesn't have specific packages."
)
parser.add_argument(
"imports",
metavar="N",
type=str,
nargs="+",
help="The set of packages that we shouldn't be able to import.",
)
parser.add_argument(
"-p",
"--path-to-setup",
dest="target_setup",
help="The path to the setup.py (not including the file) for the package that we are running try_import alongside. The key here is that if a package on our 'check' list actually requires something, we will not fail the check.",
)
args = parser.parse_args()
acceptable_to_import = []
if args.target_setup:
reqs = ParsedSetup.from_path(args.target_setup).requires
acceptable_to_import = [get_name_from_specifier(req).strip() for req in reqs]
importable_packages = []
for ns in [ns for ns in list(args.imports) if ns not in acceptable_to_import]:
try:
logging.info("Ensuring that namespace {} is not importable.".format(ns))
exec("import {}".format(ns))
importable_packages.append(ns)
except ImportError:
logging.info("Hit expected import error against {}".format(ns))
pass
if importable_packages:
raise Exception(
"Was erroneously able to import from {}".format(importable_packages)
)
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