@app.command
def positional_args(one, two):
    # The "positional" arguments will be required. On the command line,
    # the user will call this command as:
    # complex_example.py positional_args <arg1> <arg2>
    print 'Positional args: one=%s, two=%s' % (one, two)
This command takes two (required) positional arguments.
dataset/ETHPy150Open jmohr/compago/examples/complex_example.py/positional_args