except ImportError:
    import urllib2
    class Http(): # wrapper to use when httplib2 not available
        def request(self, url, method, body, headers):
            f = urllib2.urlopen(urllib2.Request(url, body, headers))
            return f.info(), f.read()

    
from simplexml import SimpleXMLElement, TYPE_MAP, OrderedDict

class SoapFault(RuntimeError):
    def __init__(self,faultcode,faultstring):
        self.faultcode = faultcode
        self.faultstring = faultstring

# soap protocol specification & namespace
soap_namespaces = dict(
    soap11="http://schemas.xmlsoap.org/soap/envelope/",
    soap="http://schemas.xmlsoap.org/soap/envelope/",
    soapenv="http://schemas.xmlsoap.org/soap/envelope/",
    soap12="http://www.w3.org/2003/05/soap-env",
)

class SoapClient(object):
    "Simple SOAP Client (s�mil PHP)"
    def __init__(self, location = None, action = None, namespace = None,
                 cert = None, trace = False, exceptions = True, proxy = None, ns=False, 
                 soap_ns=None, wsdl = None, cache = False):
        self.certssl = cert             
        self.keyssl = None              
        self.location = location        # server location (url)
        self.action = action            # SOAP base action
        self.namespace = namespace      # message 
        self.trace = trace              # show debug messages
        self.exceptions = exceptions    # lanzar execpiones? (Soap Faults)
        self.xml_request = self.xml_response = ''
        if not soap_ns and not ns:
            self.__soap_ns = 'soap' # 1.1
        elif not soap_ns and ns:
            self.__soap_ns = 'soapenv' # 1.2
        else:
            self.__soap_ns = soap_ns
        
        # parse wsdl url
        self.services = wsdl and self.wsdl(wsdl, debug=trace, cache=cache) 
        self.service_port = None                 # service port for late binding

        if not proxy:
            self.http = Http()
        else:
            import socks
            ##httplib2.debuglevel=4
            self.http = httplib2.Http(proxy_info = httplib2.ProxyInfo(
                proxy_type=socks.PROXY_TYPE_HTTP, **proxy))
        #if self.certssl: # esto funciona para validar al server?
        #    self.http.add_certificate(self.keyssl, self.keyssl, self.certssl)
        self.__ns = ns # namespace prefix or False to not use it
        if not ns:
            self.__xml = """<?xml version="1.0" encoding="UTF-8"?> 
<%(soap_ns)s:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
    xmlns:%(soap_ns)s="%(soap_uri)s">
<%(soap_ns)s:Body>
    <%(method)s xmlns="%(namespace)s">
    </%(method)s>
</%(soap_ns)s:Body>
</%(soap_ns)s:Envelope>"""
        else:

    def __getattr__(self, attr):
        "Return a pseudo-method that can be called"
        if not self.services: # not using WSDL?
            return lambda self=self, *args, **kwargs: self.call(attr,*args,**kwargs)
        else: # using WSDL:
            return lambda self=self, *args, **kwargs: self.wsdl_call(attr,*args,**kwargs)
        
    def call(self, method, *args, **kwargs):
        "Prepare xml request and make SOAP call, returning a SimpleXMLElement"                
        #TODO: method != input_message
        # Basic SOAP request:
        xml = self.__xml % dict(method=method, namespace=self.namespace, ns=self.__ns,
                                soap_ns=self.__soap_ns, soap_uri=soap_namespaces[self.__soap_ns])
        request = SimpleXMLElement(xml,namespace=self.__ns and self.namespace, prefix=self.__ns)
        # serialize parameters
        if kwargs:

                getattr(request,method).marshall(k,v)
        self.xml_request = request.as_xml()
        self.xml_response = self.send(method, self.xml_request)
        response = SimpleXMLElement(self.xml_response, namespace=self.namespace)
        if self.exceptions and response("Fault", ns=soap_namespaces.values(), error=False):
            raise SoapFault(unicode(response.faultcode), unicode(response.faultstring))
        return response
    
    def send(self, method, xml):
        "Send SOAP request using HTTP"
        if self.location == 'test': return
        location = "%s" % self.location #?op=%s" % (self.location, method)
        if self.services:
            soap_action = self.action 
        else:
            soap_action = self.action+method
        headers={
                'Content-type': 'text/xml; charset="UTF-8"',
                'Content-length': str(len(xml)),
                "SOAPAction": "\"%s\"" % (soap_action)
                }
        if self.trace:
            print "-"*80
            print "POST %s" % location
            print '\n'.join(["%s: %s" % (k,v) for k,v in headers.items()])
            print u"\n%s" % xml.decode("utf8","ignore")
        response, content = self.http.request(
            location,"POST", body=xml, headers=headers )
        self.response = response
        self.content = content
        if self.trace: 
            print 
            print '\n'.join(["%s: %s" % (k,v) for k,v in response.items()])
            print content#.decode("utf8","ignore")
            print "="*80
        return content

    def get_operation(self, method):
        # try to find operation in wsdl file

        self.location = port['location']
        operation = port['operations'].get(unicode(method))
        if not operation:
            raise RuntimeError("Operation %s not found in WSDL: "
                               "Service/Port Type: %s" %
                               (method, self.service_port))
        return operation
    
    def wsdl_call(self, method, *args, **kwargs):
        "Pre and post process SOAP call, input and output parameters using WSDL"
        soap_uri = soap_namespaces[self.__soap_ns]
        operation = self.get_operation(method)
        # get i/o type declarations:
        input = operation['input']
        output = operation['output']
        if 'action' in operation:
            self.action = operation['action']
        # sort parameters (same order as xsd:sequence)
        def sort_dict(od, d):
            if isinstance(od, dict):
                ret = OrderedDict()
                for k in od.keys():
                    v = d.get(k)
                    if v:
                        if isinstance(v, dict):
                            v = sort_dict(od[k], v)
                        elif isinstance(v, list):
                            v = [sort_dict(od[k][0], v1) 
                                    for v1 in v]
                        ret[str(k)] = v 
                return ret
            else:
                return d
        if input and kwargs:
            params = sort_dict(input.values()[0], kwargs).items()
            method = input.keys()[0]
        #elif not input:
            #TODO: no message! (see wsmtxca.dummy) 
        else:
            params = kwargs and kwargs.items()
        # call remote procedure
        response = self.call(method, *params)
        # parse results:
        resp = response('Body',ns=soap_uri).children().unmarshall(output)
        return resp and resp.values()[0] # pass Response tag children

    def help(self, method):
        "Return operation documentation and invocation/returned value example"
        operation = self.get_operation(method)
        input = operation['input'].values()
        input = input and input[0]
        output = operation['output'].values()[0] 
        return u"%s(%s)\n -> %s:\n\n%s" % (
            method, 
            input and ", ".join("%s=%s" % (k,repr(v)) for k,v 
                                 in input.items()) or "",
            output and output or "",
            operation.get("documentation",""),
            )

    def wsdl(self, url, debug=False, cache=False):
        "Parse Web Service Description v1.1"
        soap_ns = {
            "http://schemas.xmlsoap.org/wsdl/soap/": 'soap11',
            "http://schemas.xmlsoap.org/wsdl/soap12/": 'soap12',
            }
        wsdl_uri="http://schemas.xmlsoap.org/wsdl/"
        xsd_uri="http://www.w3.org/2001/XMLSchema"
        xsi_uri="http://www.w3.org/2001/XMLSchema-instance"
        
        get_local_name = lambda s: str((':' in s) and s.split(':')[1] or s)
        
        REVERSE_TYPE_MAP = dict([(v,k) for k,v in TYPE_MAP.items()])

        def fetch(url):
            "Fetch a document from a URL, save it locally if cache enabled"
            import os, hashlib
            # make md5 hash of the url for caching... 
            filename = "%s.xml" % hashlib.md5(url).hexdigest()
            if isinstance(cache, basestring):
                filename = os.path.join(cache, filename) 
            if cache and os.path.exists(filename):
                if debug: print "Reading file %s" % (filename, )
                f = open(filename, "r")
                xml = f.read()
                f.close()
            else:
                if debug: print "Fetching url %s" % (url, )
                f = urllib.urlopen(url)
                xml = f.read()
                if cache:
                    if debug: print "Writing file %s" % (filename, )
                    f = open(filename, "w")
                    f.write(xml)
                    f.close()
            return xml
            
        # Open uri and read xml:
        xml = fetch(url)
        # Parse WSDL XML:
        wsdl = SimpleXMLElement(xml, namespace=wsdl_uri)

        # detect soap prefix and uri (xmlns attributes of <definitions>)
        xsd_ns = None
        soap_uris = {}
        for k, v in wsdl[:]:
            if v in soap_ns and k.startswith("xmlns:"):
                soap_uris[get_local_name(k)] = v
            if v== xsd_uri and k.startswith("xmlns:"):
                xsd_ns = get_local_name(k)

        # Extract useful data:
        self.namespace = wsdl['targetNamespace']
        self.documentation = unicode(wsdl('documentation', error=False) or '')
        
        services = {}
        bindings = {}           # binding_name: binding
        operations = {}         # operation_name: operation
        port_type_bindings = {} # port_type_name: binding
        messages = {}           # message: element
        elements = {}           # element: type def
        
        for service in wsdl.service:
            service_name=service['name']
            if not service_name:
                continue # empty service?
            if debug: print "Processing service", service_name
            serv = services.setdefault(service_name, {'ports': {}})
            serv['documentation']=service['documentation'] or ''
            for port in service.port:
                binding_name = get_local_name(port['binding'])
                address = port('address', ns=soap_uris.values(), error=False)
                location = address and address['location'] or None
                soap_uri = address and soap_uris.get(address.get_prefix())
                soap_ver = soap_uri and soap_ns.get(soap_uri)
                bindings[binding_name] = {'service_name': service_name,
                    'location': location,
                    'soap_uri': soap_uri, 'soap_ver': soap_ver,
                    }
                serv['ports'][port['name']] = bindings[binding_name]
             
        for binding in wsdl.binding:
            binding_name = binding['name']
            if debug: print "Processing binding", service_name
            soap_binding = binding('binding', ns=soap_uris.values(), error=False)
            transport = soap_binding and soap_binding['transport'] or None
            port_type_name = get_local_name(binding['type'])
            bindings[binding_name].update({

                action = op and op['soapAction']
                d = operations.setdefault(op_name, {})
                bindings[binding_name]['operations'][op_name] = d
                d.update({'name': op_name})
                #if action: #TODO: separe operation_binding from operation
                if action:
                    d["action"] = action
        
        #TODO: cleanup element/schema/types parsing:
        def process_element(element_name, node):
            "Parse and define simple element types"
            if debug: print "Processing element", element_name
            for tag in node:
                if tag.get_local_name() in ("annotation", "documentation"):
                    continue
                elif tag.get_local_name() in ('element', 'restriction'):
                    if debug: print element_name,"has not children!",tag
                    children = tag # element "alias"?
                    alias = True
                elif tag.children():
                    children = tag.children()
                    alias = False
                else:
                    if debug: print element_name,"has not children!",tag
                    continue #TODO: abstract?
                d = OrderedDict()                    
                for e in children:
                    t = e['type']
                    if not t:
                        t = e['base'] # complexContent (extension)!
                    if not t:
                        t = 'anyType' # no type given!
                    t = t.split(":")

                        d.array = True
                    if e is not None and e.get_local_name() == 'extension' and e.children():
                        # extend base element:
                        process_element(element_name, e.children())
                elements.setdefault(element_name, OrderedDict()).update(d)

        # check axis2 namespace at schema types attributes
        self.namespace = dict(wsdl.types("schema", ns=xsd_uri)[:]).get('targetNamespace', self.namespace) 

        imported_schemas = {}

        def preprocess_schema(schema):
            "Find schema elements and complex types"
            for element in schema.children():
                if element.get_local_name() in ('import', ):

                            if debug: print "Replacing ", k , " = ", v[None]
                            elements[k] = v[None]
                            #break
                if isinstance(v, list):
                    for n in v: # recurse list
                        postprocess_element(n)

                        
        # process current wsdl schema:
        for schema in wsdl.types("schema", ns=xsd_uri): 
            preprocess_schema(schema)                

        postprocess_element(elements)

        for message in wsdl.message:
            if debug: print "Processing message", message['name']
            part = message('part', error=False)
            element = {}
            if part:
                element_name = part['element']
                if not element_name:
                    element_name = part['type'] # some uses type instead
                element_name = get_local_name(element_name)
                element = {element_name: elements.get(element_name)}
            messages[message['name']] = element
        
        for port_type in wsdl.portType:
            port_type_name = port_type['name']
            if debug: print "Processing port type", port_type_name
            binding = port_type_bindings[port_type_name]

            for operation in port_type.operation:
                op_name = operation['name']
                op = operations[op_name] 
                op['documentation'] = unicode(operation('documentation', error=False) or '')
                if binding['soap_ver']: 
                    #TODO: separe operation_binding from operation (non SOAP?)
                    input = get_local_name(operation.input['message'])
                    output = get_local_name(operation.output['message'])
                    op['input'] = messages[input]
                    op['output'] = messages[output]

        if debug:
            import pprint
            pprint.pprint(services)
        
        return services

def parse_proxy(proxy_str):
    "Parses proxy address user:pass@host:port into a dict suitable for httplib2"
    proxy_dict = {}
    if proxy_str is None:
        return 
    if "@" in proxy_str:
        user_pass, host_port = proxy_str.split("@")
    else:
        user_pass, host_port = "", proxy_str
    if ":" in host_port:
        host, port = host_port.split(":")
        proxy_dict['proxy_host'], proxy_dict['proxy_port'] = host, int(port)
    if ":" in user_pass:
        proxy_dict['proxy_user'], proxy_dict['proxy_pass'] = user_pass.split(":")
    return proxy_dict
    
    
if __name__=="__main__":
    import sys
    
    if '--web2py' in sys.argv:
        # test local sample webservice exposed by web2py
        from client import SoapClient
        if not '--wsdl' in sys.argv:
            client = SoapClient(
                location = "http://127.0.0.1:8000/webservices/sample/call/soap",
                action = 'http://127.0.0.1:8000/webservices/sample/call/soap', # SOAPAction
                namespace = "http://127.0.0.1:8000/webservices/sample/call/soap", 
                soap_ns='soap', trace = True, ns = False, exceptions=True)
        else:
            client = SoapClient(wsdl="http://127.0.0.1:8000/webservices/sample/call/soap?WSDL",trace=True)
        response = client.Dummy()
        print 'dummy', response
        response = client.Echo(value='hola')
        print 'echo', repr(response)

    if '--raw' in sys.argv:
        # raw (unmarshalled parameter) local sample webservice exposed by web2py
        from client import SoapClient
        client = SoapClient(
            location = "http://127.0.0.1:8000/webservices/sample/call/soap",
            action = 'http://127.0.0.1:8000/webservices/sample/call/soap', # SOAPAction
            namespace = "http://127.0.0.1:8000/webservices/sample/call/soap", 
            soap_ns='soap', trace = True, ns = False)
        params = SimpleXMLElement("""<?xml version="1.0" encoding="UTF-8"?><AddIntegers><a>3</a><b>2</b></AddIntegers>""") # manully convert returned type
        response = client.call('AddIntegers',params)
        result = response.AddResult 
        print int(result) # manully convert returned type
            
    if '--ctg' in sys.argv:
        # test AFIP Agriculture webservice
        client = SoapClient(
            location = "https://fwshomo.afip.gov.ar/wsctg/services/CTGService",
            action = 'http://impl.service.wsctg.afip.gov.ar/CTGService/', # SOAPAction
            namespace = "http://impl.service.wsctg.afip.gov.ar/CTGService/",
            trace = True,
            ns = True)
        response = client.dummy()
        result = response.dummyResponse
        print str(result.appserver)
        print str(result.dbserver)
        print str(result.authserver)
    
    if '--wsfe' in sys.argv:
        # Demo & Test (AFIP Electronic Invoice):
        ta_file = open("TA.xml")
        try:
            ta_string = ta_file.read()   # read access ticket (wsaa.py)
        finally:
            ta_file.close()

            argAuth= {"Token": token, "Sign": sign, "cuit":long(cuit)}
        )
        if int(results.FERecuperaQTYRequestResult.RError.percode) != 0:
            print "Percode: %s" % results.FERecuperaQTYRequestResult.RError.percode
            print "MSGerror: %s" % results.FERecuperaQTYRequestResult.RError.perrmsg
        else:
            print int(results.FERecuperaQTYRequestResult.qty.value)
    
    if '--feriados' in sys.argv:
        # Demo & Test: Argentina Holidays (Ministerio del Interior):
        # this webservice seems disabled
        from datetime import datetime, timedelta
        client = SoapClient(
            location = "http://webservices.mininterior.gov.ar/Feriados/Service.svc",
            action = 'http://tempuri.org/IMyService/', # SOAPAction

        finally:
            ta_file.close()
        ta = SimpleXMLElement(ta_string)
        token = str(ta.credentials.token)
        sign = str(ta.credentials.sign)
        response = client.FEXGetCMP(
            Auth={"Token": token, "Sign": sign, "Cuit": 20267565393},
            Cmp={"Tipo_cbte": 19, "Punto_vta": 1, "Cbte_nro": 1}) 
        result = response['FEXGetCMPResult']
        if False: print result
        if 'FEXErr' in result:
            print "FEXError:", result['FEXErr']['ErrCode'], result['FEXErr']['ErrCode'] 
        cbt = result['FEXResultGet']
        print cbt['Cae']
        FEX_event = result['FEXEvents']
        print FEX_event['EventCode'], FEX_event['EventMsg']

    if '--wsdl-ctg' in sys.argv:
        client = SoapClient(wsdl='https://fwshomo.afip.gov.ar/wsctg/services/CTGService?wsdl',

        sign = str(ta.credentials.sign)
        print client.help("obtenerProvincias")
        response = client.obtenerProvincias(auth={"token":token, "sign":sign, "cuitRepresentado":20267565393})
        print "response=",response
        for ret in response:
            print ret['return']['codigoProvincia'], ret['return']['descripcionProvincia'].encode("latin1")
        prueba = dict(numeroCartaDePorte=512345678, codigoEspecie=23,
                cuitRemitenteComercial=20267565393, cuitDestino=20267565393, cuitDestinatario=20267565393, 
                codigoLocalidadOrigen=3058, codigoLocalidadDestino=3059, 
                codigoCosecha='0910', pesoNetoCarga=1000, cantHoras=1, 
                patenteVehiculo='CZO985', cuitTransportista=20267565393,
                numeroCTG="43816783", transaccion='10000001681', observaciones='',
            )

        response = client.solicitarCTG( 
            auth={"token": token, "sign": sign, "cuitRepresentado": 20267565393},
            solicitarCTGRequest= prueba)

        print response['return']['numeroCTG']

    ##print parse_proxy(None)
    ##print parse_proxy("host:1234")
    ##print parse_proxy("user:pass@host:1234")
    ##sys.exit(0)