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Handle people with legacy databases that have custom columns with non ascii search names. Fixes #781490 (KeyError happens whenever I click on a book in the main screen (list))

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Kovid Goyal 2011-05-12 09:07:29 -06:00
parent 8c6c5c668f
commit da90da98e3
1 changed files with 8 additions and 3 deletions
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src/calibre/ebooks/metadata/book/base.py
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@ -112,10 +112,15 @@ class Metadata(object):
Be careful with numeric fields since this will return True for zero as Be careful with numeric fields since this will return True for zero as
well as None. well as None.
Also returns True if the field does not exist.
''' '''
try:
null_val = NULL_VALUES.get(field, None) null_val = NULL_VALUES.get(field, None)
val = getattr(self, field, None) val = getattr(self, field, None)
return not val or val == null_val return not val or val == null_val
except:
return True
def __getattribute__(self, field): def __getattribute__(self, field):
_data = object.__getattribute__(self, '_data') _data = object.__getattribute__(self, '_data')