use cElementTree and elementtidy as default encoders, and added wrappers to ElementParser and HTMLParser if they are missing

weboob/tools/parser.py

@@ -0,0 +1,71 @@
+# -*- 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.
+
+"""
+
+try:
+    from xml.etree import cElementTree as ElementTree
+except ImportError:
+    from xml.etree import ElementTree
+
+try:
+    from elementtidy import TidyHTMLTreeBuilder
+    TidyHTMLTreeBuilder.ElementTree = ElementTree # force cElementTree if using it.
+    class HTMLTreeBuilder(TidyHTMLTreeBuilder.TidyHTMLTreeBuilder):
+        def __init__(self):
+            TidyHTMLTreeBuilder.TidyHTMLTreeBuilder.__init__(self, 'utf-8')
+
+except ImportError:
+    from HTMLParser import HTMLParser
+
+    class HTMLTreeBuilder(HTMLParser):
+        def __init__(self, html=0, target=None):
+            HTMLParser.__init__(self)
+            if target is None:
+                target = ElementTree.TreeBuilder()
+            self._target = target
+
+        def doctype(self, name, pubid, system):
+            pass
+
+        def close(self):
+            tree = self._target.close()
+            return tree
+
+        def handle_starttag(self, tag, attrs):
+            self._target.start(tag, dict(attrs))
+
+        def handle_startendtag(self, tag, attrs):
+            self._target.start(tag, dict(attrs))
+            self._target.end(tag)
+
+        def handle_data(self, data):
+            self._target.data(data)
+
+        def handle_endtag(self, tag):
+            self._target.end(tag)
+
+class StandardParser(object):
+    def parse(self, data):
+        parser = HTMLTreeBuilder()
+        tree = ElementTree.parse(data, parser)
+
+        for elem in tree.getiterator():
+            if elem.tag.startswith('{'):
+                elem.tag = elem.tag[elem.tag.find('}')+1:]
+        return tree