Bugs item #1368515, was opened at 2005-11-28 20:10
Message generated for change (Settings changed) made by effbot
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Category: Python Library
Group: Not a Bug
>Status: Closed
>Resolution: Invalid
Priority: 5
Submitted By: dominikush (dominikush)
Assigned to: Nobody/Anonymous (nobody)
Summary: threading.Timer: Constructor does not handle args correctly
Initial Comment:
The constructor of threading.Timer does not correctly
handle arguments passed to it, see example given. I
noted the bug in Python 2.4.1 and checked it also for
Python 2.4.2:
>>> def test(*args,**kwds): print "test: args
=",args,"and kwds =",kwds
...
>>> import threading
>>> t = threading.Timer(2,test,"hello")
>>> t.start()
>>> test: args = ('h', 'e', 'l', 'l', 'o') and kwds = {}
Proposed bug fix in threading.Timer.__init__:
def __init__(self, interval, function, args=[],
kwargs={}): # bug
def __init__(self, interval, function, *args,
**kwargs): # correction
After proposed correction, rerun of test results in:
>>> t.start()
>>> test: args = ('hallo',) and kwds = {}
----------------------------------------------------------------------
Comment By: Fredrik Lundh (effbot)
Date: 2005-11-29 12:11
Message:
Logged In: YES
user_id=38376
The implemented behaviour is the documented behaviour (it's
the same for both Thread and Timer). You're not supposed to
"call" the Thread constructor; you're supposed to pass in
the arguments using keyword arguments. See the library
reference for details.
----------------------------------------------------------------------
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https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1368515&group_id=5470
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