Created
May 18, 2017 11:40
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soap xml with namespaces using lxml and python
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from lxml import etree | |
from lxml.builder import ElementMaker | |
class NewRpcMessageEncoder(object): | |
def _envelope(self, request_id, hold_requests): | |
SOAP_ENV = "http://schemas.xmlsoap.org/soap/envelope/" | |
SOAP_ENC = "http://schemas.xmlsoap.org/soap/encoding/" | |
XSD = "http://www.w3.org/2001/XMLSchema" | |
XSI = "http://www.w3.org/2001/XMLSchema-instance" | |
CWMP = "urn:dslforum-org:cwmp-1-2" | |
soap_enc = ElementMaker(namespace=SOAP_ENC) | |
xsd = ElementMaker(namespace=XSD) | |
xsi = ElementMaker(namespace=XSI) | |
cwmp = ElementMaker(namespace=CWMP) | |
soap = ElementMaker(namespace=SOAP_ENV, | |
nsmap={ | |
'xsi' : XSI, | |
'soap' : SOAP_ENV, | |
'soap-enc' : SOAP_ENC, | |
'xsd' : XSD, | |
'cwmp' : CWMP}) | |
SOAP_MUST_UNDERSTAND = '{{{0}}}mustUnderstand'.format(SOAP_ENV) | |
MUST_UNDERSTAND = '1' | |
body=() | |
xml = soap.Envelope( | |
soap.Header( | |
cwmp.ID(str(request_id), {SOAP_MUST_UNDERSTAND : MUST_UNDERSTAND}), | |
cwmp.HoldRequests('0', {SOAP_MUST_UNDERSTAND : MUST_UNDERSTAND}) | |
), | |
soap.Body(body) | |
) | |
def __str__(self): | |
xml_declaration = """<?xml version="1.0" encoding="utf-8"?>\n""" | |
# xml_declaration add's back slash to version an encoding quotes | |
return xml_declaration + etree.tostring(xml, encoding='utf-8' , xml_declaration=False, pretty_print=True) |
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