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Fix a regression that broke the heuristic used to detect cover images in some EPUB files that do not specify their cover metadata. Fixes #1509642 ["cover.jpg" generated with additional white space (for small cover jpgs)](https://bugs.launchpad.net/calibre/+bug/1509642) ["cover.jpg" generated with additional white space (for small cover jpgs)](https://bugs.launchpad.net/calibre/+bug/1509642)

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This commit is contained in:
Kovid Goyal 2015-10-27 00:17:10 +05:30
parent 4a0da223fd
commit de641e723a
1 changed files with 5 additions and 3 deletions
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8
src/calibre/ebooks/__init__.py
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@ -94,10 +94,12 @@ def extract_calibre_cover(raw, base, log):
'font', 'br'])
images = soup.findAll('img')
if matches is None and len(images) == 1 and \
images[0].get('alt', '')=='cover':
images[0].get('alt', '').lower()=='cover':
img = images[0]
img = os.path.join(base, *img['src'].split('/'))
return_raster_image(img)
q = return_raster_image(img)
if q is not None:
return q
# Look for a simple cover, i.e. a body with no text and only one <img> tag
if matches is None:
@ -110,7 +112,7 @@ def extract_calibre_cover(raw, base, log):
images = body.findAll('img', src=True)
if 0 < len(images) < 2:
img = os.path.join(base, *images[0]['src'].split('/'))
return_raster_image(img)
return return_raster_image(img)
def render_html_svg_workaround(path_to_html, log, width=590, height=750):
from calibre.ebooks.oeb.base import SVG_NS