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Remove IM from the metadata download subsystem

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This commit is contained in:
Kovid Goyal 2016-05-05 08:17:28 +05:30
parent 6f48fe28e2
commit 9de04a07bf
1 changed files with 11 additions and 8 deletions
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19
src/calibre/ebooks/metadata/sources/covers.py
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@ -15,7 +15,8 @@ from io import BytesIO
from calibre.customize.ui import metadata_plugins
from calibre.ebooks.metadata.sources.base import create_log
from calibre.ebooks.metadata.sources.prefs import msprefs
from calibre.utils.magick.draw import Image, save_cover_data_to
from calibre.utils.img import save_cover_data_to
from calibre.utils.imghdr import identify
class Worker(Thread):
@ -59,17 +60,19 @@ def is_worker_alive(workers):
def process_result(log, result):
plugin, data = result
try:
im = Image()
im.load(data)
if getattr(plugin, 'auto_trim_covers', False):
from calibre.utils.magick import Image
im = Image()
im.load(data)
im.trim(10)
width, height = im.size
fmt = im.format
data = im.export('JPEG')
fmt, width, height = identify(data)
if width < 0 or height < 0:
raise ValueError('Could not read cover image dimensions')
if width < 50 or height < 50:
raise ValueError('Image too small')
data = save_cover_data_to(im, '/cover.jpg', return_data=True)
except:
data = save_cover_data_to(data)
except Exception:
log.exception('Invalid cover from', plugin.name)
return None
return (plugin, width, height, fmt, data)