z3c.soap

Soap using ZSI in Zope 2

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Project description

SOAP Support

This SOAP implementation allows you provide SOAP views for objects. The SOAP layer is based on ZSI.

The package requires ZSI 2.0 or better.

SOAP support is implemented in a way very similar to the standard Zope XML-RPC support. To call methods via SOAP, you need to create and register SOAP views.

This package is largely inspired from Zope 3 SOAP (http://svn.zope.org/soap).

Let’s write a simple SOAP view that echoes various types of input:

>>> import ZSI
>>> from Products.Five import BrowserView
>>> class EchoView(BrowserView):
...
...     def echoString(self, value):
...         return value
...
...     def echoStringArray(self, value):
...         return value
...
...     def echoInteger(self, value):
...         return value
...
...     def echoIntegerArray(self, value):
...         return value
...
...     def echoFloat(self, value):
...         return value
...
...     def echoFloatArray(self, value):
...         return value
...
...     def echoStruct(self, value):
...         return value
...
...     def echoStructArray(self, value):
...         return value
...
...     def echoVoid(self):
...         return
...
...     def echoBase64(self, value):
...         import base64
...         return base64.encodestring(value)
...
...     def echoDate(self, value):
...         import time
...         return time.gmtime(time.mktime(value))
...
...     def echoDecimal(self, value):
...         return value
...
...     def echoBoolean(self, value):
...         return value
...
...     def ValidateEmailRequest(self, requestData, response):
...         mail = requestData._Email
...         response._Status = '%s is OK' % mail
...         return response
...
...     def testFault(self):
...         raise ZSI.Fault(ZSI.Fault.Client, "Testing the zsi fault")

Now we’ll register it as a SOAP view. For now we’ll just register the view for folder objects and call it on the root folder:

>>> from zope.configuration import xmlconfig
>>> ignored = xmlconfig.string("""
... <configure
...     xmlns="http://namespaces.zope.org/zope"
...     xmlns:browser="http://namespaces.zope.org/browser"
...     xmlns:soap="http://namespaces.zope.org/soap"
...     >
...
...   <!-- We only need to do this include in this example,
...        Normally the include has already been done for us. -->
...
...   <include package="z3c.soap" file="meta.zcml" />
...   <include package="Products.Five" file="meta.zcml" />
...   <include package="z3c.soap"/>
...
...   <soap:view
...       for="OFS.interfaces.IFolder"
...       methods="echoString echoStringArray echoInteger echoIntegerArray
...                echoFloat echoFloatArray echoStruct echoVoid echoBase64
...                echoDate echoDecimal echoBoolean ValidateEmailRequest
...                testFault"
...       class="z3c.soap.README.EchoView"
...       permission="zope2.SOAPAccess"
...       />
...
...   <utility
...       factory="z3c.soap.tests.mailvalidation.validateEmailIn"
...       name="ValidateEmailRequest"
...       provides="z3c.soap.interfaces.IZSIRequestType"/>
...
...   <utility
...       factory="z3c.soap.tests.mailvalidation.validateEmailOut"
...       name="ValidateEmailRequest"
...       provides="z3c.soap.interfaces.IZSIResponseType"/>
...
...
... </configure>
... """)

And call our SOAP method:

>>> from Testing.ZopeTestCase import user_name, user_password
>>> self.setRoles(['Manager'])

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoString xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="xsd:string">hello</arg1>
...    </m:echoString>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password), handle_errors=True)
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml
<BLANKLINE>
...hello...

Note that we get an unauthorized error if we don’t supply authentication credentials, because we protected the view with the ManageContent permission when we registered it:

>>> self.logout()
>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoString xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="xsd:string">hello</arg1>
...    </m:echoString>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """)
HTTP/1.0 401 Unauthorized
Content-Length: ...
Content-Type: text/xml
Www-Authenticate: basic realm="Zope2"
<BLANKLINE>
<SOAP-ENV:Envelope xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ZSI="http://www.zolera.com/schemas/ZSI/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><SOAP-ENV:Header></SOAP-ENV:Header><SOAP-ENV:Body><SOAP-ENV:Fault><faultcode>SOAP-ENV:Server</faultcode><faultstring>Not authorized</faultstring></SOAP-ENV:Fault></SOAP-ENV:Body></SOAP-ENV:Envelope>

Parameters

SOAP views can take any parameters that ZSI can understand. The following demonstrate the use of primitive SOAP-defined types:

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoString xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="xsd:string">hello</arg1>
...    </m:echoString>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml...
<BLANKLINE>
...hello...

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoStringArray xmlns:m="http://www.soapware.org/">
...    <param SOAP-ENC:arrayType="xsd:ur-type[4]" xsi:type="SOAP-ENC:Array">
...    <item xsi:type="xsd:string">one</item>
...    <item xsi:type="xsd:string">two</item>
...    <item xsi:type="xsd:string">three</item>
...    <item xsi:type="xsd:string">four</item>
...    </param>
...    </m:echoStringArray>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml...
<BLANKLINE>
...one...two...three...four...

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoInteger xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="xsd:int">42</arg1>
...    </m:echoInteger>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml...
<BLANKLINE>
...42...

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoIntegerArray xmlns:m="http://www.soapware.org/">
...    <param SOAP-ENC:arrayType="xsd:ur-type[4]" xsi:type="SOAP-ENC:Array">
...    <item xsi:type="xsd:int">1</item>
...    <item xsi:type="xsd:int">2</item>
...    <item xsi:type="xsd:int">3</item>
...    <item xsi:type="xsd:int">4</item>
...    </param>
...    </m:echoIntegerArray>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml...
<BLANKLINE>
...1...2...3...4...

Note that floats are returned as xsd:decimal values:

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoFloat xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="xsd:float">42.2</arg1>
...    </m:echoFloat>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml
<BLANKLINE>
...xsi:type="xsd:float">42.200000</...

Even if they’re in float arrays:

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoFloatArray xmlns:m="http://www.soapware.org/">
...    <param SOAP-ENC:arrayType="xsd:ur-type[4]" xsi:type="SOAP-ENC:Array">
...    <item xsi:type="xsd:float">1.1</item>
...    <item xsi:type="xsd:float">2.2</item>
...    <item xsi:type="xsd:float">3.3</item>
...    <item xsi:type="xsd:float">4.4</item>
...    </param>
...    </m:echoFloatArray>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml
<BLANKLINE>
...xsi:type="xsd:float">1.100000</...
...xsi:type="xsd:float">2.200000</...
...xsi:type="xsd:float">3.300000</...
...xsi:type="xsd:float">4.400000</...

>>> result = http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoStruct xmlns:m="http://www.soapware.org/">
...      <param>
...      <first xsi:type="xsd:string">first 1</first>
...      <last xsi:type="xsd:string">last 1</last>
...      </param>
...    </m:echoStruct>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))

>>> result = str(result)
>>> assert(result.find('first 1') > -1)
>>> assert(result.find('last 1') > -1)

Note that arrays of structs (at least per the interop suite) do not seem to work:

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
...  xmlns:so="http://soapinterop.org/">
...  <SOAP-ENV:Body>
...    <m:echoStructArray xmlns:m="http://www.soapware.org/xsd">
...    <inputArray SOAP-ENC:arrayType="so:SOAPStruct[2]"
...                xsi:type="SOAP-ENC:Array">
...      <item xsi:type="so:SOAPStruct">
...      <varString xsi:type="xsd:string">str 1</varString>
...      <varInt xsi:type="xsd:int">1</varInt>
...      </item>
...      <item xsi:type="so:SOAPStruct">
...      <varString xsi:type="xsd:string">str 2</varString>
...      <varInt xsi:type="xsd:int">2</varInt>
...      </item>
...    </inputArray>
...    </m:echoStructArray>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password), handle_errors=True)
HTTP/1.0 500 Internal Server Error
Content-Length: ...
Content-Type: text/xml
<BLANKLINE>
<SOAP-ENV:Envelope ...
...
>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoVoid xmlns:m="http://www.soapware.org/">
...    </m:echoVoid>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml
<BLANKLINE>
...echoVoidResponse...

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoBase64 xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="SOAP-ENC:base64">AAECAwQF</arg1>
...    </m:echoBase64>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml...
<BLANKLINE>
...AAECAwQF...

Datetimes appear to work:

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoDate xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="xsd:dateTime">1970-11-27T11:34:56.000Z</arg1>
...    </m:echoDate>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml...
<BLANKLINE>
...1970-11-27T10:34:56...

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoDecimal xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="xsd:float">123456789.0123</arg1>
...    </m:echoDecimal>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml...
<BLANKLINE>
...123456789.0123...

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 102
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoBoolean xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="xsd:boolean">1</arg1>
...    </m:echoBoolean>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml...
<BLANKLINE>
...1...

Faults

If you need to raise an error, you can either raise an exception as usual or (if you need more control over fault info) return a ZSI.Fault object directly. Either case causes a fault response to be returned:

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 104
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:echoInteger xmlns:m="http://www.soapware.org/">
...      <arg1 xsi:type="xsd:int">hello</arg1>
...    </m:echoInteger>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password), handle_errors=True)
HTTP/1.0 500 Internal Server Error
Content-Length: ...
Content-Type: text/xml
<BLANKLINE>
<SOAP-ENV:Envelope xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ZSI="http://www.zolera.com/schemas/ZSI/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><SOAP-ENV:Header></SOAP-ENV:Header><SOAP-ENV:Body><SOAP-ENV:Fault><faultcode>SOAP-ENV:Server</faultcode><faultstring>Processing Failure</faultstring><detail><ZSI:FaultDetail><ZSI:string>
...

Here is a ZSI Fault response:

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 104
... Content-Type: text/xml
... SOAPAction: /
...
... <?xml version="1.0"?>
... <SOAP-ENV:Envelope
...  SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
...  <SOAP-ENV:Body>
...    <m:testFault xmlns:m="http://www.soapware.org/">
...    </m:testFault>
...  </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>
... """ % (user_name, user_password), handle_errors=True)
HTTP/1.0 200 OK
Content-Length: 488
Content-Type: text/xml
<BLANKLINE>
<SOAP-ENV:Envelope xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ZSI="http://www.zolera.com/schemas/ZSI/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><SOAP-ENV:Header></SOAP-ENV:Header><SOAP-ENV:Body><SOAP-ENV:Fault><faultcode>SOAP-ENV:Client</faultcode><faultstring>Testing the zsi fault</faultstring></SOAP-ENV:Fault></SOAP-ENV:Body></SOAP-ENV:Envelope>

Complex Types

For ZSI to successfully marshal complex values (instances of classes), you must define a typecode that describes the object (see the ZSI docs for details on defining typecodes). Once the typecode is defined, it must be accessible through an instance via the attribute name ‘typecode’ to be automatically marshalled.

>>> print http(r"""
... POST /test_folder_1_ HTTP/1.0
... Authorization: Basic %s:%s
... Content-Length: 104
... Content-Type: text/xml
... SOAPAction: /
...
... <SOAP-ENV:Envelope
...  xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
...  xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
...  xmlns:ZSI="http://www.zolera.com/schemas/ZSI/"
...  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
...  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
... <SOAP-ENV:Header></SOAP-ENV:Header>
... <SOAP-ENV:Body xmlns:ns1="urn:ws-xwebservices-com:XWebEmailValidation:EmailValidation:v2:Messages">
...   <ns1:ValidateEmailRequest>
...     <ns1:Email>jfroche@affinitic.be</ns1:Email>
...   </ns1:ValidateEmailRequest>
... </SOAP-ENV:Body>
... </SOAP-ENV:Envelope>""" % (user_name, user_password))
HTTP/1.0 200 OK
Content-Length: ...
Content-Type: text/xml
<BLANKLINE>
...jfroche@affinitic.be is OK...

Mem tests

>>> import sys
>>> from xml.dom.minidom import Element, Node
>>> print sys.getrefcount(Element)
5
>>> from z3c.soap.tests.mailvalidation import ns1
>>> from ZSI import SoapWriter
>>> from ZSI import TC
>>> element = ns1.ValidateEmailRequest_Dec().pyclass()
>>> element._Email = 'foo@bar.be'
>>> sw = SoapWriter(nsdict={}, header=True, outputclass=None,
...                 encodingStyle=None)
>>> tc = TC.Any(aslist=1, pname='test')

We serialize more than one copy of the previously created element

>>> res = sw.serialize([element, element, element, element, element], tc)
>>> print sys.getrefcount(Element)
19
>>> print sw
<SOAP-ENV:Envelope xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ZSI="http://www.zolera.com/schemas/ZSI/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><SOAP-ENV:Header></SOAP-ENV:Header><SOAP-ENV:Body><test xmlns:ns1="urn:ws-xwebservices-com:XWebEmailValidation:EmailValidation:v2:Messages" SOAP-ENC:arrayType="xsd:anyType[5]" xsi:type="SOAP-ENC:Array"><ns1:element><ns1:Email xsi:type="xsd:string">foo@bar.be</ns1:Email></ns1:element><ns1:element><ns1:Email xsi:type="xsd:string">foo@bar.be</ns1:Email></ns1:element><ns1:element><ns1:Email xsi:type="xsd:string">foo@bar.be</ns1:Email></ns1:element><ns1:element><ns1:Email xsi:type="xsd:string">foo@bar.be</ns1:Email></ns1:element><ns1:element><ns1:Email xsi:type="xsd:string">foo@bar.be</ns1:Email></ns1:element></test></SOAP-ENV:Body></SOAP-ENV:Envelope>
>>> print sys.getrefcount(Element)
19
>>> del res
>>> del sw.body.node
>>> del sw.body
>>> del sw.dom.node
>>> del sw.dom
>>> del sw
>>> print sys.getrefcount(Element)
19

So when a soapwriter is deleted there are still 19 references to Element active (this can be a disaster with large xml).

What if we unlink the nodes first:

>>> sw = SoapWriter(nsdict={}, header=True, outputclass=None,
...                 encodingStyle=None)
>>> res = sw.serialize([element, element, element, element, element], tc)
>>> print sys.getrefcount(Element)
33
>>> Node.unlink(sw.body.node)
>>> Node.unlink(sw.dom.node)
>>> print sys.getrefcount(Element)
22
>>> del res
>>> del sw.body.node
>>> del sw.body
>>> del sw.dom.node
>>> del sw.dom
>>> del sw
>>> print sys.getrefcount(Element)
20

There are thus less references to Element when using unlink before deleting the soapwriter object.

Changelog

0.5 - (2009-09-22)

fix & test memory leak in zsi soapwriter
buildout update

0.4 - (2009-05-04)

return correctly the serialized string

0.3 - (2008-12-17)

Handle correclty ZSI.Fault exception

0.2 - (2008-11-14)

Handle correctly Unauthorized exception
Add SOAP Access permission
Remove realm from response if Unauthorized is raised

0.1 - (2008-11-13)

Initial release

Project details

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0.5.5

Oct 9, 2013

0.5.4

May 21, 2013

0.5.3

Jan 5, 2011

0.5.2

May 5, 2010

0.5.1

Dec 7, 2009

This version

0.5

Sep 22, 2009

0.4

May 4, 2009

0.3

Dec 17, 2008

0.2

Nov 14, 2008

0.1

Nov 13, 2008

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