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49a16042ca
git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@409 e7d03fd6-7b0d-0410-9947-9c21f3af8025
51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
"""Threading support"""
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# Copyright (C) 2000,2001 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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from threading import *
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class Threader:
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"A thread generating class"
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def __init__ (self, num=5):
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self.maxThreads = num
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self.threads = []
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def acquire (self):
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"Wait until we are allowed to start a new thread"
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while 1:
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self.reduceThreads()
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if len(self.threads) < self.maxThreads:
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break
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def reduceThreads (self):
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for t in self.threads:
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if not t.isAlive():
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self.threads.remove(t)
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def finished (self):
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return not len(self.threads)
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def finish (self):
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self.reduceThreads()
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# dont know how to stop a thread
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def startThread (self, callable, args):
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"Generate a new thread"
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self.acquire()
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t = Thread(None, callable, None, args)
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t.start()
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self.threads.append(t)
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