我们从Python开源项目中，提取了以下18个代码示例，用于说明如何使用xml.etree.ElementTree.QName()。
def fixtag(tag, namespaces): # given a decorated tag (of the form {uri}tag), return prefixed # tag and namespace declaration, if any if isinstance(tag, ET.QName): tag = tag.text namespace_uri, tag = tag[1:].split("}", 1) prefix = namespaces.get(namespace_uri) if prefix is None: prefix = "ns%d" % len(namespaces) namespaces[namespace_uri] = prefix if prefix == "xml": xmlns = None else: xmlns = ("xmlns:%s" % prefix, namespace_uri) else: xmlns = None return "%s:%s" % (prefix, tag), xmlns
def probe_metric(service_url, metric): ''' Query the service at the given URL for the given metric value. Assumptions are made about the name of the method and output parameters which are only valid for the WanCommonInterfaceConfig service. ''' envelope = E(QName(ns['s'], 'Envelope'), {QName(ns['s'], 'encodingStyle'): 'http://schemas.xmlsoap.org/soap/encoding/'}) body = sE(envelope, QName(ns['s'], 'Body')) method = sE(body, QName(ns['i'], 'Get{}'.format(metric))) request_tree = ET(envelope) with io.BytesIO() as out: out.write(b'<?xml version="1.0"?>') request_tree.write(out, encoding='utf-8') out.write(b'\r\n') # or else my Belkin F5D8236-4 never responds... req = urllib.request.Request(service_url, out.getvalue()) req.add_header('Content-Type', 'text/xml') req.add_header('SOAPAction', '"{}#{}"'.format(ns['i'], 'Get{}'.format(metric))) with urllib.request.urlopen(req) as result: result_tree = ElementTree.parse(result) return int(result_tree.findtext('.//New{}'.format(metric), namespaces=ns))
def _generate_chat(self, to, from_, body): data = _FormData() data.add_text('from', from_, 'plain') data.add_text('to', to, 'plain') data.add_text('body', body, 'plain') message_element = ElementTree.Element( ElementTree.QName('jabber:client', 'message'), {'from': from_, 'to': to, 'type': 'chat'}) body_element = ElementTree.SubElement( message_element, ElementTree.QName('jabber:client', 'body')) body_element.text = body data.add_text('stanza', ElementTree.tostring(message_element, encoding='utf-8'), 'xml') return data
def _generate_presence_available(self, to, from_, show=None): data = _FormData() data.add_text('from', from_, 'plain') data.add_text('to', to, 'plain') # If the "presence" attribute is absent, "available" is assumed and it is # not sent by Google Talk. presence_element = ElementTree.Element( ElementTree.QName('jabber:client', 'presence'), {'from': from_, 'to': to}) if show: # This is currently a dead code path. # The show element is optional according to RFC 3921, 2.2.2.1. data.add_text('show', show, 'plain') show_element = ElementTree.SubElement( presence_element, ElementTree.QName('jabber:client', 'show')) show_element.text = show data.add_text('stanza', ElementTree.tostring(presence_element, 'utf-8'), 'xml') return data
def _svg(self, tag=None, version='1.1', **kwargs): if tag is None: tag = ET.QName(self._SVG_namespace, "svg") dimension = self.units(self.pixel_size) return ET.Element( tag, width=dimension, height=dimension, version=version, **kwargs)
def _rect(self, row, col, tag=None): if tag is None: tag = ET.QName(self._SVG_namespace, "rect") x, y = self.pixel_box(row, col)[0] return ET.Element( tag, x=self.units(x), y=self.units(y), width=self.unit_size, height=self.unit_size)
def make_path(self): subpaths = self._generate_subpaths() return ET.Element( ET.QName("path"), style=self.QR_PATH_STYLE, d=' '.join(subpaths), id="qr-path" )
def _generate_presence_type(self, to, from_, presence_type): data = _FormData() data.add_text('from', from_, 'plain') data.add_text('to', to, 'plain') presence_element = ElementTree.Element( ElementTree.QName('jabber:client', 'presence'), {'from': from_, 'to': to, 'type': presence_type}) data.add_text('stanza', ElementTree.tostring(presence_element, 'utf-8'), 'xml') return data
def nodename(self, name): #self.debug("name: %s, QName: %s" %(name, ET.QName(self.root, name).text)) """Extends name with the xmlns-prefix to a valid nodename.""" found = re.match('{.*({.*}).*}(.*$)', ET.QName(self.root, name).text) if found: # self.debug("result: " + found.group(1) + found.group(2)) return found.group(1) + found.group(2) else: return ""
def _from_xml_node(self, node, listnames): attrNil = node.get(str(etree.QName(constants.XSI_NAMESPACE, "nil"))) attrType = node.get(str(etree.QName( self.metadata.get('xmlns'), "type"))) if (attrNil and attrNil.lower() == 'true'): return None elif not len(node) and not node.text: if (attrType and attrType == constants.TYPE_DICT): return {} elif (attrType and attrType == constants.TYPE_LIST): return [] else: return '' elif (len(node) == 0 and node.text): converters = {constants.TYPE_BOOL: lambda x: x.lower() == 'true', constants.TYPE_INT: lambda x: int(x), constants.TYPE_LONG: lambda x: long(x), constants.TYPE_FLOAT: lambda x: float(x)} if attrType and attrType in converters: return converters[attrType](node.text) else: return node.text elif self._get_key(node.tag) in listnames: return [self._from_xml_node(n, listnames) for n in node] else: result = dict() for attr in node.keys(): if (attr == 'xmlns' or attr.startswith('xmlns:') or attr == constants.XSI_ATTR or attr == constants.TYPE_ATTR): continue result[self._get_key(attr)] = node.get(attr) children = list(node) for child in children: result[self._get_key(child.tag)] = self._from_xml_node( child, listnames) return result
def _from_xml_node(self, node, listnames): """Convert a minidom node to a simple Python type. :param node: minidom node name :param listnames: list of XML node names whose subnodes should be considered list items. """ attrNil = node.get(str(etree.QName(constants.XSI_NAMESPACE, "nil"))) attrType = node.get(str(etree.QName( self.metadata.get('xmlns'), "type"))) if (attrNil and attrNil.lower() == 'true'): return None elif not len(node) and not node.text: if (attrType and attrType == constants.TYPE_DICT): return {} elif (attrType and attrType == constants.TYPE_LIST): return [] else: return '' elif (len(node) == 0 and node.text): converters = {constants.TYPE_BOOL: lambda x: x.lower() == 'true', constants.TYPE_INT: lambda x: int(x), constants.TYPE_LONG: lambda x: long(x), constants.TYPE_FLOAT: lambda x: float(x)} if attrType and attrType in converters: return converters[attrType](node.text) else: return node.text elif self._get_key(node.tag) in listnames: return [self._from_xml_node(n, listnames) for n in node] else: result = dict() for attr in node.keys(): if (attr == 'xmlns' or attr.startswith('xmlns:') or attr == constants.XSI_ATTR or attr == constants.TYPE_ATTR): continue result[self._get_key(attr)] = node.get(attr) children = list(node) for child in children: result[self._get_key(child.tag)] = self._from_xml_node( child, listnames) return result
