pitcons / dataholder

This is a trick for assignment in an if statement.

dataholder

This is a trick for assignment in an if statement.

Install

pip install dataholder

Usage

import re
from dataholder import DataHolder

input = u'test bar 123'
save_match = DataHolder(attr_name='match')
if save_match(re.search('foo (\d+)', input)):
    print "Foo"
    print save_match.match.group(1)
elif save_match(re.search('bar (\d+)', input)):
    print "Bar"
    print save_match.match.group(1)
elif save_match(re.search('baz (\d+)', input)):
    print "Baz"
    print save_match.match.group(1)

The code was taken from http://stackoverflow.com/a/1806338/1849904

The author of idea is Alex Martelli