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Added _handlerList to allow shutdown to flush and close handlers in reverse order of creation (see SF# 1282539)

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This commit is contained in:
Vinay Sajip 2005-09-08 18:14:16 +00:00
parent e029da0aca
commit 0ee9ba258e
1 changed files with 4 additions and 1 deletions
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5
Lib/logging/__init__.py
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@ -544,6 +544,7 @@ class Filterer:
#---------------------------------------------------------------------------
_handlers = {} #repository of handlers (for flushing when shutdown called)
_handlerList = [] # added to allow handlers to be removed in reverse of order initialized
class Handler(Filterer):
"""
@ -566,6 +567,7 @@ class Handler(Filterer):
_acquireLock()
try: #unlikely to raise an exception, but you never know...
_handlers[self] = 1
_handlerList.insert(0, self)
finally:
_releaseLock()
self.createLock()
@ -668,6 +670,7 @@ class Handler(Filterer):
_acquireLock()
try: #unlikely to raise an exception, but you never know...
del _handlers[self]
_handlerList.remove(self)
finally:
_releaseLock()
@ -1307,7 +1310,7 @@ def shutdown():
Should be called at application exit.
"""
for h in _handlers.keys():
for h in _handlerList[:]: # was _handlers.keys():
#errors might occur, for example, if files are locked
#we just ignore them
try: