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"""A tool for probing cgroups to determine write access."""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import json
import os
import sys
def main(): # type: () -> None
"""Main program entry point."""
probe_dir = sys.argv[1]
paths = sys.argv[2:]
results = {}
for path in paths:
probe_path = os.path.join(path, probe_dir)
try:
os.mkdir(probe_path)
os.rmdir(probe_path)
except Exception as ex: # pylint: disable=broad-except
results[path] = str(ex)
else:
results[path] = None
print(json.dumps(results, sort_keys=True))
if __name__ == '__main__':
main()
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