ok, that sounds like some motivation for me do to it. I've had a quick look over the source code and could not yet figure out, which functions really modify stuff in /var/cache/yum, but at a first glance it seem to be a few. You do not have a list of them flying around, don't you? ;) My approach would be to create a decorator (called @needslock or something) and add it to every function that needs it. That decorator would look like the one in the attachment. Is that the yum-way fo doing it? regards Christoph
def needsLock(base, logger):
def waitLock():
while True:
try:
base.doLock()
except Errors.LockError, e:
if "%s" %(e.msg,) != lockerr:
lockerr = "%s" %(e.msg,)
logger.critical(lockerr)
logger.critical(_("Another app is currently holding the yum lock; waiting for it to exit..."))
time.sleep(2)
else:
break
def lockFun(f):
def newFun(*args, **kw):
waitLock()
return f(*args, **kw)
return newFun
return countFun
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