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xmlbuilder: Make prop cache work with subclasses

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Cole Robinson
2013-09-23 07:37:33 -04:00
parent a6d92c7001
commit 1c0475feff
1 changed files with 14 additions and 16 deletions
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30
virtinst/xmlbuilder.py
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@@ -902,31 +902,29 @@ class XMLBuilder(object):
# Internal API #
################
def __get_prop_cache(self, cachename, checkclass):
if not hasattr(self.__class__, cachename):
ret = {}
for c in reversed(type.mro(self.__class__)[:-1]):
for key, val in c.__dict__.items():
if val.__class__ is checkclass:
ret[key] = val
setattr(self.__class__, cachename, ret)
return getattr(self.__class__, cachename)
def _all_xml_props(self):
"""
Return a list of all XMLProperty instances that this class has.
"""
if not hasattr(self.__class__, "_cached_xml_props"):
ret = {}
for c in reversed(type.mro(self.__class__)[:-1]):
for key, val in c.__dict__.items():
if val.__class__ is XMLProperty:
ret[key] = val
self.__class__._cached_xml_props = ret
return self.__class__._cached_xml_props
cachename = self.__class__.__name__ + "_cached_xml_props"
return self.__get_prop_cache(cachename, XMLProperty)
def _all_child_props(self):
"""
Return a list of all XMLChildProperty instances that this class has.
"""
if not hasattr(self.__class__, "_cached_child_props"):
ret = {}
for c in reversed(type.mro(self.__class__)[:-1]):
for key, val in c.__dict__.items():
if val.__class__ is XMLChildProperty:
ret[key] = val
self.__class__._cached_child_props = ret
return self.__class__._cached_child_props
cachename = self.__class__.__name__ + "_cached_child_props"
return self.__get_prop_cache(cachename, XMLChildProperty)
def _set_parent_xpath(self, xpath):