96 lines
2.7 KiB
Python
96 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright(C) 2010-2011 Romain Bignon
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#
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# This file is part of weboob.
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#
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# weboob is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# weboob is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with weboob. If not, see <http://www.gnu.org/licenses/>.
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from HTMLParser import HTMLParser as _HTMLParser
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import htmlentitydefs
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try:
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from xml.etree import cElementTree as ElementTree
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except ImportError:
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from xml.etree import ElementTree
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from .iparser import IParser
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__all__ = ['HTMLParser']
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class HTMLTreeBuilder(_HTMLParser):
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def __init__(self, encoding=None):
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_HTMLParser.__init__(self)
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self._target = ElementTree.TreeBuilder()
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def doctype(self, name, pubid, system):
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pass
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def close(self):
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tree = self._target.close()
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return tree
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def handle_starttag(self, tag, attrs):
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self._target.start(tag, dict(attrs))
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def handle_startendtag(self, tag, attrs):
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self._target.start(tag, dict(attrs))
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self._target.end(tag)
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def handle_charref(self, name):
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self._target.data(unichr(int(name)))
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def handle_entityref(self, name):
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try:
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self._target.data(unichr(htmlentitydefs.name2codepoint[name]))
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except KeyError:
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self._target.data('&' + name)
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def handle_data(self, data):
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self._target.data(data)
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def handle_endtag(self, tag):
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try:
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self._target.end(tag)
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except:
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pass
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class HTMLParser(IParser):
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def parse(self, data, encoding=None):
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parser = HTMLTreeBuilder(encoding)
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tree = ElementTree.parse(data, parser)
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for elem in tree.getiterator():
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if elem.tag.startswith('{'):
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elem.tag = elem.tag[elem.tag.find('}')+1:]
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return tree
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def tostring(self, element):
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e = ElementTree.Element('body')
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e.text = element.text
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e.tail = element.tail
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for sub in element.getchildren():
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e.append(sub)
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s = ''
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# XXX OK if it doesn't work with utf-8, the result will be fucking ugly.
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for encoding in ('utf-8', 'ISO-8859-1'):
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try:
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s = ElementTree.tostring(e, encoding)
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except UnicodeError:
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continue
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else:
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break
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return unicode(s)
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