weboob-devel/weboob/tools/parser/elementtidyparser.py
2010-04-16 14:06:28 +02:00

63 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
"""
Copyright(C) 2010 Romain Bignon
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
"""
# XXX Currently, elementtidy segfaults when there are no error, because of
# the behavior of libtidy.
# A patch has been sent to Debian:
# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=576343
#
# As it is not integrated in Debian yet, and as this problem persists on other
# systems, using elementtidy is for now to avoid.
from elementtidy import TidyHTMLTreeBuilder
try:
from xml.etree import cElementTree as ElementTree
except ImportError:
from xml.etree import ElementTree
from .iparser import IParser
class ElementTidyParser(IParser):
def parse(self, data, encoding=None):
TidyHTMLTreeBuilder.ElementTree = ElementTree
HTMLTreeBuilder = TidyHTMLTreeBuilder.TidyHTMLTreeBuilder
parser = HTMLTreeBuilder(encoding)
tree = ElementTree.parse(data, parser)
for elem in tree.getiterator():
if elem.tag.startswith('{'):
elem.tag = elem.tag[elem.tag.find('}')+1:]
return tree
def dump(self, element):
e = ElementTree.Element('body')
e.text = element.text
e.tail = element.tail
for sub in element.getchildren():
e.append(sub)
s = ''
# XXX OK if it doesn't work with utf-8, the result will be fucking ugly.
for encoding in ('utf-8', 'ISO-8859-1'):
try:
s = ElementTree.tostring(e, encoding)
except UnicodeError:
continue
else:
break
return unicode(s)