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FB2 Output: Speed up image data splitting

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This commit is contained in:
Andrey Efremov 2019-10-06 13:04:07 +07:00
parent db583073de
commit 2ce345e5dd
1 changed files with 3 additions and 9 deletions
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12
src/calibre/ebooks/fb2/fb2ml.py
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@ -19,7 +19,7 @@ from calibre.constants import __appname__, __version__
from calibre.utils.localization import lang_as_iso639_1
from calibre.utils.img import save_cover_data_to
from calibre.ebooks.oeb.base import urlnormalize
from polyglot.builtins import unicode_type, string_or_bytes
from polyglot.builtins import unicode_type, string_or_bytes, range
from polyglot.binary import as_base64_unicode
@ -315,14 +315,8 @@ class FB2MLizer(object):
raw_data = as_base64_unicode(item.data)
content_type = item.media_type
# Don't put the encoded image on a single line.
data = ''
col = 1
for char in raw_data:
if col == 72:
data += '\n'
col = 1
col += 1
data += char
step = 72
data = '\n'.join(raw_data[i:i+step] for i in range(0, len(raw_data), step))
images.append('<binary id="%s" content-type="%s">%s\n</binary>' % (self.image_hrefs[item.href], content_type, data))
except Exception as e:
self.log.error('Error: Could not include file %s because '