def from_xml(self, content):
        tree = etree.fromstring(content)
        NSMAP = ['codeList', 'codeListValue', 'schemaLocation']

        etree.strip_attributes(tree, *NSMAP)
        root = tree
        etree.cleanup_namespaces(root)

        namespaces = {
            'gvq': '',
            'gco': '',
            'gmd19157': '',
            'updated19115': '',
            'gmd': '',
            'gml': '',
            'xsi': '',
            'xmlns': '',
        }

        #Some fields are xml text fields. The fields must be unique inside the model.
        # Store those elements temporarily.
        listOfTextFields = getXMLTextFields()
        fieldDictionary = dict()
        namespaceDict, originalNamespace = getNamespaceInfo()

        for field in listOfTextFields:
            foundElements = root.findall(".//" + namespaceDict[field] + field,
                                         namespaces=originalNamespace)
            valueList = list()
            for element in foundElements:
                valueList.append(''.join(
                    [etree.tostring(child) for child in element]))
            fieldDictionary[field] = valueList

        xmlcontent = etree.tostring(root)
        jsondata = xmltodict.parse(xmlcontent, namespaces=namespaces)

        #Replace all textFields with the xml text.
        for field in listOfTextFields:
            i = 0
            replaceDictValueWithStringElement(jsondata, field, i,
                                              fieldDictionary)

        if 'GVQ_FeedbackCollection' in jsondata:
            item = jsondata['GVQ_FeedbackCollection']['item']
        elif 'item' in jsondata:
            item = jsondata['item']
        else:
            item = jsondata
        self.from_json(json.dumps(item))
        return item
    def from_xml(self, content):
        tree = etree.fromstring(content)
        NSMAP = ['codeList', 'codeListValue', 'schemaLocation']

        etree.strip_attributes(tree, *NSMAP)
        root = tree
        etree.cleanup_namespaces(root)

        namespaces = {
             'gvq'         :'',
             'gco'         :'',
             'gmd19157'    :'',
             'updated19115':'',
             'gmd'         :'',
             'gml'         :'',
             'xsi'         :'',
             'xmlns'       :'',
             }

        #Some fields are xml text fields. The fields must be unique inside the model.
        # Store those elements temporarily.
        listOfTextFields = getXMLTextFields()
        fieldDictionary = dict()
        namespaceDict, originalNamespace =  getNamespaceInfo()

        for field in listOfTextFields:
            foundElements = root.findall(".//"+namespaceDict[field]+field, namespaces=originalNamespace)
            valueList = list()
            for element in foundElements:
                valueList.append(''.join([etree.tostring(child) for child in element]))
            fieldDictionary[field] = valueList

        xmlcontent = etree.tostring(root)
        jsondata = xmltodict.parse(xmlcontent, namespaces=namespaces)

        #Replace all textFields with the xml text.
        for field in listOfTextFields:
            i = 0
            replaceDictValueWithStringElement(jsondata, field, i, fieldDictionary)

        if 'GVQ_FeedbackCollection' in jsondata:
            item = jsondata['GVQ_FeedbackCollection']['item']
        elif 'item' in jsondata:
            item = jsondata['item']
        else:
            item = jsondata
        self.from_json(json.dumps(item))
        return item
    def to_xml(self, data, options = None):

        options = options or {}

        data = self.to_json(data)
        data = json.loads(data)

        # Load namespaces and attributevalues specific for this serializer.
        self.attributeDictionary = getAttributeDictionary()
        self.attributeValueDictionary = getAttributeValueDictionary()
        namespaceDict, NSMAP = getNamespaceInfo()

        data = self.to_customEtree(data, namespaceDict, options, nsmap=NSMAP)
        etree.strip_tags(data, "itemCollection")
        ##Create string data.
        data = etree.tostring(data)
        return data
    def to_xml(self, data, options=None):

        options = options or {}

        data = self.to_json(data)
        data = json.loads(data)

        # Load namespaces and attributevalues specific for this serializer.
        self.attributeDictionary = getAttributeDictionary()
        self.attributeValueDictionary = getAttributeValueDictionary()
        namespaceDict, NSMAP = getNamespaceInfo()

        data = self.to_customEtree(data, namespaceDict, options, nsmap=NSMAP)
        etree.strip_tags(data, "itemCollection")
        ##Create string data.
        data = etree.tostring(data)
        return data