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Fix regression that broke deepcopying of Metadata() objects

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This commit is contained in:
Kovid Goyal 2013-05-04 08:53:57 +05:30
parent 654ce41161
commit 7af7030d98
1 changed files with 4 additions and 5 deletions
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9
src/calibre/ebooks/metadata/book/formatter.py
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@ -14,16 +14,15 @@ class SafeFormat(TemplateFormatter):
def __init__(self):
TemplateFormatter.__init__(self)
from calibre.ebooks.metadata.book.base import field_metadata
self.field_metadata = field_metadata
def get_value(self, orig_key, args, kwargs):
if not orig_key:
return ''
key = orig_key = orig_key.lower()
if key != 'title_sort' and key not in TOP_LEVEL_IDENTIFIERS and \
key not in ALL_METADATA_FIELDS:
key = self.field_metadata.search_term_to_field_key(key)
if (key != 'title_sort' and key not in TOP_LEVEL_IDENTIFIERS and
key not in ALL_METADATA_FIELDS):
from calibre.ebooks.metadata.book.base import field_metadata
key = field_metadata.search_term_to_field_key(key)
if key is None or (self.book and
key not in self.book.all_field_keys()):
if hasattr(self.book, orig_key):