provide many parsers

weboob/tools/parser/__init__.py

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+# -*- coding: utf-8 -*-
+
+"""
+Copyright(C) 2010  Christophe Benz
+
+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.
+
+"""
+
+from .standardparser import StandardParser
+from .elementtidyparser import ElementTidyParser
+from .lxmlparser import LxmlHtmlParser

weboob/tools/parser/elementtidyparser.py

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+# -*- 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
+
+class ElementTidyParser(object):
+    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

weboob/tools/parser/lxmlparser.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+
+"""
+Copyright(C) 2010  Christophe Benz
+
+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.
+
+"""
+
+import lxml.html
+
+class LxmlHtmlParser(object):
+    def parse(self, data, encoding=None):
+        parser = lxml.html.HTMLParser(encoding=encoding)
+        return lxml.html.parse(data, parser)

weboob/tools/parser/standardparser.py

@@ -0,0 +1,91 @@
+# -*- 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.
+
+"""
+
+__all__ = ['StandardParser', 'tostring']
+
+from HTMLParser import HTMLParser
+import htmlentitydefs
+try:
+    from xml.etree import cElementTree as ElementTree
+except ImportError:
+    from xml.etree import ElementTree
+
+class HTMLTreeBuilder(HTMLParser):
+    def __init__(self, encoding=None):
+        HTMLParser.__init__(self)
+        self._target = ElementTree.TreeBuilder()
+
+    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_charref(self, name):
+        self._target.data(unichr(int(name)))
+
+    def handle_entityref(self, name):
+        try:
+            self._target.data(unichr(htmlentitydefs.name2codepoint[name]))
+        except KeyError:
+            self._target.data('&' + name)
+
+    def handle_data(self, data):
+        self._target.data(data)
+
+    def handle_endtag(self, tag):
+        try:
+            self._target.end(tag)
+        except:
+            pass
+
+class StandardParser(object):
+    def parse(self, data, encoding=None):
+        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 tostring(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)