50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
'''
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This program takes a directory and does the following: If that directory
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contains nothing but a single child directory, then the contents of that child
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will be moved to the parent, and the empty child will be deleted.
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'''
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import argparse
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import os
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import shutil
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import sys
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from voussoirkit import passwordy
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from voussoirkit import pathclass
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def sole_lift(starting):
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starting = pathclass.Path(starting)
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children = starting.listdir()
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if len(children) != 1:
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return
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child = children[0]
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if not child.is_dir:
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return
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temp_dir = starting.with_child(passwordy.urandom_hex(32))
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os.rename(child.absolute_path, temp_dir.absolute_path)
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for grandchild in temp_dir.listdir():
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shutil.move(grandchild.absolute_path, starting.absolute_path)
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if temp_dir.listdir():
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raise Exception()
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os.rmdir(temp_dir.absolute_path)
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return 0
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def sole_lift_argparse(args):
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return sole_lift(args.starting)
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def main(argv):
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('starting', nargs='?', default='.')
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parser.set_defaults(func=sole_lift_argparse)
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args = parser.parse_args(argv)
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return args.func(args)
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if __name__ == '__main__':
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raise SystemExit(main(sys.argv[1:]))
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