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AZW3 Input: Do not fail to identify JPEG images with BIM headers created with Adobe Photoshop. Fixes #1167985 (Private bug)

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This commit is contained in:
Kovid Goyal 2013-04-11 22:23:19 +05:30
parent de663280c2
commit 891b73c785
1 changed files with 13 additions and 7 deletions
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14
src/calibre/ebooks/mobi/reader/mobi8.py
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@ -51,9 +51,11 @@ def reverse_tag_iter(block):
end = len(block) end = len(block)
while True: while True:
pgt = block.rfind(b'>', 0, end) pgt = block.rfind(b'>', 0, end)
if pgt == -1: break if pgt == -1:
break
plt = block.rfind(b'<', 0, pgt) plt = block.rfind(b'<', 0, pgt)
if plt == -1: break if plt == -1:
break
yield block[plt:pgt+1] yield block[plt:pgt+1]
end = plt end = plt
@ -231,12 +233,12 @@ class Mobi8Reader(object):
flowpart = self.flows[j] flowpart = self.flows[j]
nstr = '%04d' % j nstr = '%04d' % j
m = svg_tag_pattern.search(flowpart) m = svg_tag_pattern.search(flowpart)
if m != None: if m is not None:
# svg # svg
typ = 'svg' typ = 'svg'
start = m.start() start = m.start()
m2 = image_tag_pattern.search(flowpart) m2 = image_tag_pattern.search(flowpart)
if m2 != None: if m2 is not None:
format = 'inline' format = 'inline'
dir = None dir = None
fname = None fname = None
@ -406,6 +408,10 @@ class Mobi8Reader(object):
else: else:
imgtype = what(None, data) imgtype = what(None, data)
if imgtype is None: if imgtype is None:
from calibre.utils.magick.draw import identify_data
try:
imgtype = identify_data(data)[2]
except Exception:
imgtype = 'unknown' imgtype = 'unknown'
href = 'images/%05d.%s'%(fname_idx, imgtype) href = 'images/%05d.%s'%(fname_idx, imgtype)
with open(href.replace('/', os.sep), 'wb') as f: with open(href.replace('/', os.sep), 'wb') as f: