pyman

#!/usr/bin/env python

from sys import argv, exit

if __name__ == '__main__':
    if len(argv) < 2:
        print "USAGE: {0} MODULE [SYMBOL]".format(argv[0])
        print "Open help() for given module, or given symbol from module"
        exit(1)

    module = argv[1] if argv[1] != '.' else ''
    symbol = argv[2] if len(argv) > 2 else ''

    if module:
        exec 'import {0}'.format(module)
    exec 'subject = {0}'.format(".".join((module, symbol)).strip('.'))

    help(subject)