do common checking regarding the value of the option More...
Public Member Functions | |
def | __init__ (self, check_fn, error_msg='') |
def | __call__ (self, action, value) |
Public Attributes | |
fn | |
err_msg | |
do common checking regarding the value of the option
example: p.add_argument('-input', remark=Check(lambda x: os.path.exists(x), 'File does not exists!'))