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Fix CHM reader problems with pre tags, image links and tables

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This commit is contained in:
Urs Fleisch 2010-05-30 09:51:10 +02:00
parent 405e4c3f08
commit 87ba1bf75b
1 changed files with 35 additions and 4 deletions
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35
src/calibre/ebooks/chm/reader.py
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@ -132,6 +132,9 @@ class CHMReader(CHMFile):
lpath = os.path.join(output_dir, path)
self._ensure_dir(lpath)
data = self.GetFile(path)
if lpath.find(';') != -1:
# fix file names with ";<junk>" at the end, see _reformat()
lpath = lpath.split(';')[0]
with open(lpath, 'wb') as f:
if guess_mimetype(path)[0] == ('text/html'):
data = self._reformat(data)
@ -158,14 +161,26 @@ class CHMReader(CHMFile):
# cos they really fuck with the flow of things and generally waste space
# since we can't use [a,b] syntax to select arbitrary items from a list
# we'll have to do this manually...
# only remove the tables, if they have an image with an alt attribute
# containing prev, next or team
t = soup('table')
if t:
if (t[0].previousSibling is None
or t[0].previousSibling.previousSibling is None):
try:
alt = t[0].img['alt'].lower()
if alt.find('prev') != -1 or alt.find('next') != -1 or alt.find('team') != -1:
t[0].extract()
except:
pass
if (t[-1].nextSibling is None
or t[-1].nextSibling.nextSibling is None):
try:
alt = t[-1].img['alt'].lower()
if alt.find('prev') != -1 or alt.find('next') != -1 or alt.find('team') != -1:
t[-1].extract()
except:
pass
# for some very odd reason each page's content appears to be in a table
# too. and this table has sub-tables for random asides... grr.
@ -185,8 +200,24 @@ class CHMReader(CHMFile):
except KeyError:
# and some don't even have a src= ?!
pass
# now give back some pretty html.
return soup.prettify('utf-8')
try:
# if there is only a single table with a single element
# in the body, replace it by the contents of this single element
tables = soup.body.findAll('table', recursive=False)
if tables and len(tables) == 1:
trs = tables[0].findAll('tr', recursive=False)
if trs and len(trs) == 1:
tds = trs[0].findAll('td', recursive=False)
if tds and len(tds) == 1:
tdContents = tds[0].contents
tableIdx = soup.body.contents.index(tables[0])
tables[0].extract()
while tdContents:
soup.body.insert(tableIdx, tdContents.pop())
except:
pass
# do not prettify, it would reformat the <pre> tags!
return str(soup)
def Contents(self):
if self._contents is not None: