[Tutor] Dynamic inheritance?

Jan Eden lists at janeden.org
Tue Nov 22 20:01:02 CET 2005


Jan Eden wrote on 22.11.2005:

>Kent Johnson wrote on 20.11.2005:
>>Use getattr() to access attributes by name. SiteA is an attribute
>>of Templates and Page is an attribute of SiteA so you can get use
>>getattr() twice to get what you want:
>>site = getattr(Templates, self.site_name) self.template =
>>getattr(site, self.template_type)
>Unfortunately, this does not seem to work if Templates is a package,
>not a module. Python complains:
>AttributeError: 'module' object has no attribute 'SiteA'
>      args = ("'module' object has no attribute 'SiteA'",)
>even though there is a module SiteA within package Templates. When
>manually importing SiteA from Templates, everything is good.
Found a solution:

import Templates
def GetTemplates(self):
    __import__('Templates.', globals(), locals(), [self.identifier])
    site = getattr(Templates, self.identifier)
    self.template = getattr(site, self.template_type)



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