Mercurial > hg > config

annotate python/fireonce.py @ 333:998d3c276b25

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
http://askubuntu.com/questions/168117/how-to-automatically-add-meta-tags-to-screenshot?rq=1
author Jeff Hammel <jhammel@mozilla.com>
date Tue, 18 Jun 2013 14:44:14 -0700
parents 8006938c33ac
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
164
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
1 class fireonce(object):
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
2 def __init__(self, func):
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
3 self.func = func
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
4 def __call__(self, *args, **kwargs):
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
5 if not self.func:
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
6 return None
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
7 retval = self.func(*args, **kwargs)
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
8 self.func = None
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
9
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
10 @fireonce
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
11 def foo(x):
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
12 print x
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
13
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
14 foo('bar')
8006938c33ac add fireonce decorator example
Jeff Hammel <jhammel@mozilla.com>
parents:
diff changeset
15 foo('fleem') # not printed