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Edit Book: Detect cover images in EPUB 3 files

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This commit is contained in:
Kovid Goyal 2016-06-16 12:41:43 +05:30
parent 8ca77820b6
commit 0bed0edd6d
1 changed files with 13 additions and 2 deletions
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15
src/calibre/ebooks/oeb/polish/cover.py
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@ -113,8 +113,7 @@ COVER_TYPES = {
'other.ms-coverimage', 'other.ms-thumbimage-standard',
'other.ms-thumbimage', 'thumbimagestandard', 'cover'}
def find_cover_image(container, strict=False):
'Find a raster image marked as a cover in the OPF'
def find_cover_image2(container, strict=False):
manifest_id_map = container.manifest_id_map
mm = container.mime_map
for meta in container.opf_xpath('//opf:meta[@name="cover" and @content]'):
@ -146,6 +145,18 @@ def find_cover_image(container, strict=False):
if largest_cover[0]:
return largest_cover[0]
def find_cover_image3(container):
for name in container.manifest_items_with_property('cover-image'):
return name
def find_cover_image(container, strict=False):
'Find a raster image marked as a cover in the OPF'
ver = container.opf_version_parsed
if ver.major < 3:
return find_cover_image2(container, strict=strict)
else:
return find_cover_image3(container)
def get_guides(container):
guides = container.opf_xpath('//opf:guide')
if not guides: