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Trick for assignment in an if statement

Project description

dataholder
======

This is a trick for assignment in an if statement.

Install
-------
.. code-block:: sh

pip install dataholder

Usage
-----

.. code-block:: python

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

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