[PATCH 3/5]: cleaning the template parent management in hgweb
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[PATCH 3/5]: cleaning the template parent management in hgweb
From: Goffredo Baroncelli <kreijack@libero.it>
the filediff template use the old style p1/p2 and p1rev/p2rev
inteface; the patch removes this old stuff, and update the code to the
new style
manifest hash: 29536b6ee71f03a48bceb7336040070ecd0d2b9e
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=u4El
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# lock.py - simple locking scheme for mercurial
#
# Copyright 2005 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
import os, time
import util
class LockHeld(Exception):
pass
class lock:
def __init__(self, file, wait = 1):
self.f = file
self.held = 0
self.wait = wait
self.lock()
def __del__(self):
self.release()
def lock(self):
while 1:
try:
self.trylock()
return 1
except LockHeld, inst:
if self.wait:
time.sleep(1)
continue
raise inst
def trylock(self):
pid = os.getpid()
try:
util.makelock(str(pid), self.f)
self.held = 1
except:
raise LockHeld(util.readlock(self.f))
def release(self):
if self.held:
self.held = 0
try:
os.unlink(self.f)
except: pass