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py3 compat: Fixes #1132 (Fix python 3 compatibility: template formatter: when no key is used in a template an …)

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Kovid Goyal 2020-04-11 16:19:05 +05:30
parent d61273b7cd
commit 9c99f3a101
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 2 additions and 3 deletions
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5
src/calibre/ebooks/metadata/book/formatter.py
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@ -8,6 +8,7 @@ __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
from calibre.ebooks.metadata.book import TOP_LEVEL_IDENTIFIERS, ALL_METADATA_FIELDS
from calibre.utils.formatter import TemplateFormatter
from numbers import Number
class SafeFormat(TemplateFormatter):
@ -16,7 +17,7 @@ class SafeFormat(TemplateFormatter):
TemplateFormatter.__init__(self)
def get_value(self, orig_key, args, kwargs):
if not orig_key:
if not orig_key or isinstance(orig_key, Number):
return ''
key = orig_key = orig_key.lower()
if (key != 'title_sort' and key not in TOP_LEVEL_IDENTIFIERS and
@ -42,5 +43,3 @@ class SafeFormat(TemplateFormatter):
if v == '':
return ''
return v