def _get_cover(soup, rdr):
ans = None
try:
ans = soup.find('img', alt=re.compile('cover', flags=re.I))['src']
except TypeError:
# meeehh, no handy alt-tag goodness, try some hackery
# the basic idea behind this is that in general, the cover image
# has a height:width ratio of ~1.25, whereas most of the nav
# buttons are decidedly less than that.
# what we do in this is work out that ratio, take 1.25 off it and
# save the absolute value when we sort by this value, the smallest
# one is most likely to be the cover image, hopefully.
r = {}
for img in soup('img'):
try:
r[abs(
float(re.search(r'[0-9.]+', img['height']).group()) /
float(re.search(r'[0-9.]+', img['width']).group()) -
1.25)] = img['src']
except KeyError:
# interestingly, occasionally the only image without height
# or width attrs is the cover...
r[0] = img['src']
except:
# Probably invalid width, height aattributes, ignore
continue
if r:
l = sorted(iterkeys(r))
ans = r[l[0]]
# this link comes from the internal html, which is in a subdir
if ans is not None:
try:
ans = rdr.GetFile(ans)
except:
ans = rdr.root + "/" + ans
try:
ans = rdr.GetFile(ans)
except:
ans = None
if ans is not None:
from PIL import Image
import io
buf = io.BytesIO()
try:
Image.open(io.BytesIO(ans)).convert('RGB').save(buf, 'JPEG')
ans = buf.getvalue()
except:
ans = None
return ans
def _get_cover(soup, rdr):
ans = None
try:
ans = soup.find('img', alt=re.compile('cover', flags=re.I))['src']
except TypeError:
# meeehh, no handy alt-tag goodness, try some hackery
# the basic idea behind this is that in general, the cover image
# has a height:width ratio of ~1.25, whereas most of the nav
# buttons are decidedly less than that.
# what we do in this is work out that ratio, take 1.25 off it and
# save the absolute value when we sort by this value, the smallest
# one is most likely to be the cover image, hopefully.
r = {}
for img in soup('img'):
try:
r[abs(float(re.search(r'[0-9.]+',
img['height']).group())/float(re.search(r'[0-9.]+',
img['width']).group())-1.25)] = img['src']
except KeyError:
# interestingly, occasionally the only image without height
# or width attrs is the cover...
r[0] = img['src']
except:
# Probably invalid width, height aattributes, ignore
continue
if r:
l = sorted(iterkeys(r))
ans = r[l[0]]
# this link comes from the internal html, which is in a subdir
if ans is not None:
try:
ans = rdr.GetFile(ans)
except:
ans = rdr.root + "/" + ans
try:
ans = rdr.GetFile(ans)
except:
ans = None
if ans is not None:
from PIL import Image
import io
buf = io.BytesIO()
try:
Image.open(io.BytesIO(ans)).convert('RGB').save(buf, 'JPEG')
ans = buf.getvalue()
except:
ans = None
return ans