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Ensure that mi.deepcopy_metadata() keeps the top-level attributes 'id' and 'has_cover'

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Charles Haley 2024-09-29 17:40:20 +01:00
parent 42502beefd
commit 58b2b5634b
1 changed files with 3 additions and 0 deletions
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src/calibre/ebooks/metadata/book/base.py
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@ -231,6 +231,9 @@ class Metadata:
# are returning a "real" Metadata instance that has __get_attribute__. # are returning a "real" Metadata instance that has __get_attribute__.
m = Metadata(None) m = Metadata(None)
object.__setattr__(m, '_data', copy.deepcopy(object.__getattribute__(self, '_data'))) object.__setattr__(m, '_data', copy.deepcopy(object.__getattribute__(self, '_data')))
# Also copy these two top-level attributes as they can appear in templates.
object.__setattr__(m, 'id', copy.copy(self.get('id')))
object.__setattr__(m, 'has_cover', copy.copy(self.get('has_cover')))
return m return m
def get(self, field, default=None): def get(self, field, default=None):