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"""Check for unwanted symbolic links."""
from __future__ import annotations
import os
import sys
def main():
"""Main entry point."""
root_dir = os.getcwd() + os.path.sep
for path in sys.argv[1:] or sys.stdin.read().splitlines():
if not os.path.islink(path.rstrip(os.path.sep)):
continue
if not os.path.exists(path):
print('%s: broken symlinks are not allowed' % path)
continue
if path.endswith(os.path.sep):
print('%s: symlinks to directories are not allowed' % path)
continue
real_path = os.path.realpath(path)
if not real_path.startswith(root_dir):
print('%s: symlinks outside content tree are not allowed: %s' % (path, os.path.relpath(real_path, os.path.dirname(path))))
continue
if __name__ == '__main__':
main()
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