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# coding: utf-8
from __future__ import print_function
import argparse
class SplitAppendAction(argparse._AppendAction):
"""append to list, like normal "append", but split first
(default split on ',')
parser = argparse.ArgumentParser()
parser.add_argument('-d', action=SplitAppendAction)
the following argument have the same list as result:
-d ab -d cd -d kl -d mn
-d ab,cd,kl,mn
-d ab,cd -d kl,mn
"""
def __init__(self, *args, **kw):
self._split_chr = ','
argparse.Action.__init__(self, *args, **kw)
def __call__(self, parser, namespace, values, option_string=None):
# _AppendAction does not return a value
for value in values.split(self._split_chr):
argparse._AppendAction.__call__(
self, parser, namespace, value, option_string)
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