Command line to extract __all__ from python files

pyall

#!/usr/bin/python
import imp
import sys


def main(filepath):
    module = imp.load_source('foo', filepath)
    entities = [repr(x) for x in dir(module) if not x.startswith('__')]
    if entities:
        text = ', '.join(entities)
        return '__all__ = [{0}]'.format(text)


if __name__ == "__main__":
    if len(sys.argv) > 1:
        for f in sys.argv[1:]:
            print main(f)