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Allow an attribute lookup on a list to select from the list

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Doug Blank 2013-12-28 13:32:15 -05:00
parent 2a4ba037c6
commit cad20f42f1
1 changed files with 9 additions and 0 deletions
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9
gramps/gen/merge/diff.py
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@ -450,6 +450,15 @@ class Struct(object):
elif isinstance(self.struct, HandleClass): elif isinstance(self.struct, HandleClass):
struct = self.handle_join(self.struct) struct = self.handle_join(self.struct)
return getattr(struct, attr) return getattr(struct, attr)
elif isinstance(self.struct, (list, tuple)):
# then, let's make this select from the list
sublist = [getattr(Struct(item, self.db), attr) for item in self.struct]
if len(sublist) == 0:
return None
elif len(sublist) == 1:
return sublist[0]
else:
return Struct(sublist, self.db)
else: else:
# better be a property of the list/tuple/dict/value: # better be a property of the list/tuple/dict/value:
return getattr(self.struct, attr) return getattr(self.struct, attr)