def parseXRDS(text):
"""Parse the given text as an XRDS document.
@return: ElementTree containing an XRDS document
@raises XRDSError: When there is a parse error or the document does
not contain an XRDS.
"""
try:
parser = XMLTreeBuilder()
parser.feed(text)
element = parser.close()
except XMLError, why:
exc = XRDSError('Error parsing document as XML')
exc.reason = why
raise exc
def parseXRDS(text):
"""Parse the given text as an XRDS document.
@return: ElementTree containing an XRDS document
@raises XRDSError: When there is a parse error or the document does
not contain an XRDS.
"""
try:
parser = XMLTreeBuilder()
parser.feed(text)
element = parser.close()
except XMLError, why:
exc = XRDSError('Error parsing document as XML')
exc.reason = why
raise exc
def _start(self, tag, attrib_in):
# this is used by self._parser (an Expat parser) as
# StartElementHandler but only if _start_list is not
# provided... so why does this method exist?
for key in attrib_in:
if "{" + key == _MELD_ID:
meldid = attrib_in[key]
if self.meldids.get(meldid):
raise ValueError, ('Repeated meld id "%s" in source' % meldid)
self.meldids[meldid] = 1
return XMLTreeBuilder._start(self, tag, attrib_in)
def _start(self, tag, attrib_in):
# this is used by self._parser (an Expat parser) as
# StartElementHandler but only if _start_list is not
# provided... so why does this method exist?
for key in attrib_in:
if '{' + key == _MELD_ID:
meldid = attrib_in[key]
if self.meldids.get(meldid):
raise ValueError, ('Repeated meld id "%s" in source' %
meldid)
self.meldids[meldid] = 1
return XMLTreeBuilder._start(self, tag, attrib_in)
def _start_list(self, tag, attrib_in):
# This is used by self._parser (an Expat parser)
# as StartElementHandler. attrib_in is a flat even-length
# sequence of name, value pairs for all attributes.
# See http://python.org/doc/lib/xmlparser-objects.html
for i in range(0, len(attrib_in), 2):
# For some reason, clark names are missing the leading '{'
attrib = self._fixname(attrib_in[i])
if _MELD_ID == attrib:
meldid = attrib_in[i + 1]
if self.meldids.get(meldid):
raise ValueError, ('Repeated meld id "%s" in source' % meldid)
self.meldids[meldid] = 1
return XMLTreeBuilder._start_list(self, tag, attrib_in)
def body(self, xml):
""" Body importer
"""
if isinstance(xml, (str, unicode)):
parser = XMLTreeBuilder()
parser.feed(xml)
tree = parser.close()
tree = ElementTree(tree)
elem = tree.getroot()
else:
elem = xml
if elem.tag != 'object':
raise AttributeError('Invalid xml root element %s' % elem.tag)
name = elem.get('name')
if not name:
raise AttributeError('No name provided for object')
if hasattr(self.context, '__name__') and (name != self.context.__name__):
raise AttributeError(('XML root object name %s '
'should match context name %s') % (name, self.context.__name__))
for child in elem.getchildren():
if child.tag == 'property':
self.attribute = child
elif child.tag == 'object':
self.child = child
event.notify(ObjectModifiedEvent(self.context))
if INews.providedBy(self.context):
logger.info('Commit transaction import for %s' % getattr(
self.context, '__name__', '(no name)'))
transaction.commit()
def _start_list(self, tag, attrib_in):
# This is used by self._parser (an Expat parser)
# as StartElementHandler. attrib_in is a flat even-length
# sequence of name, value pairs for all attributes.
# See http://python.org/doc/lib/xmlparser-objects.html
for i in range(0, len(attrib_in), 2):
# For some reason, clark names are missing the leading '{'
attrib = self._fixname(attrib_in[i])
if _MELD_ID == attrib:
meldid = attrib_in[i + 1]
if self.meldids.get(meldid):
raise ValueError, ('Repeated meld id "%s" in source' %
meldid)
self.meldids[meldid] = 1
return XMLTreeBuilder._start_list(self, tag, attrib_in)
def __request_xml(self, url):
y = urllib.urlopen(url)
ret = y.read()
y.close()
parser = XMLTreeBuilder(html=True)
parser.entity = self.entities
parser.feed(ret)
return parser.close()
def close(self):
val = XMLTreeBuilder.close(self)
self.meldids = {}
return val
def __init__(self, html=0, target=None):
XMLTreeBuilder.__init__(self, html, target)
# assumes ElementTree 1.2.X
self._parser.CommentHandler = self.handle_comment
self.meldids = {}
def close(self):
val = XMLTreeBuilder.close(self)
self.meldids = {}
return val
def __init__(self, html=0, target=None):
XMLTreeBuilder.__init__(self, html, target)
# assumes ElementTree 1.2.X
self._parser.CommentHandler = self.handle_comment
self.meldids = {}
