python3: unicode - minimalist change set

A minimal change set to deal with unicode modules and methods between
python2 and python3. A deeper reworking of the unicode components
is very likely called for, however, this change should get the library
working on python3.

partial: https://github.com/vmware/pyvmomi/issues/55

pyVmomi/Differ.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 
 ## Diff any two objects
+from six import text_type
+from six import u
 
 from pyVmomi import VmomiSupport, types
 import itertools
@@ -33,7 +35,7 @@ def IsPrimitiveType(obj):
       isinstance(obj, types.short) or isinstance(obj, types.int) or
       isinstance(obj, types.double) or isinstance(obj, types.float) or
       isinstance(obj, types.long) or isinstance(obj, types.str) or
-      isinstance(obj, unicode) or
+      isinstance(obj, text_type) or
       isinstance(obj, types.PropertyPath) or
       isinstance(obj, types.ManagedMethod) or
       isinstance(obj, types.datetime) or

pyVmomi/SoapAdapter.py

@@ -14,6 +14,9 @@
 # limitations under the License.
 from __future__ import absolute_import
 from six.moves import http_client
+from six import text_type
+from six import u
+
 import sys
 import os
 import time
@@ -378,7 +381,7 @@ class SoapSerializer:
             else:
                nsattr, qName = self._QName(Type(val), currDefNS)
                attr += '%s %stype="%s"' % (nsattr, self.xsiPrefix, qName)
-         if not isinstance(val, unicode):
+         if not isinstance(val, text_type):
             # Use UTF-8 rather than self.encoding.  self.encoding is for
             # output of serializer, while 'val' is our input.  And regardless
             # of what our output is, our input should be always UTF-8.  Yes,
@@ -662,7 +665,7 @@ class SoapDeserializer(ExpatDeserializerNSHandlers):
          elif obj is str:
             try:
                obj = str(data)
-            except UnicodeError:
+            except ValueError:
                obj = data
          elif obj is datetime:
             obj = pyVmomi.Iso8601.ParseISO8601(data)
@@ -772,7 +775,7 @@ class SoapResponseDeserializer(ExpatDeserializerNSHandlers):
       if self.isFault and tag == "faultstring":
          try:
             self.msg = str(self.data)
-         except UnicodeError:
+         except ValueError:
             self.msg = self.data
 
 ## Base class that implements common functionality for stub adapters.

pyVmomi/VmomiSupport.py

@@ -17,6 +17,9 @@
 from __future__ import absolute_import
 from __future__ import with_statement # 2.5 only
 
+from six import text_type
+from six import u
+
 from datetime import datetime
 import pyVmomi.Iso8601
 import base64
@@ -177,13 +180,13 @@ class LazyObject(Object):
          else:
             raise AttributeError(attr)
 
-class Link(unicode):
+class Link(text_type):
    def __new__(cls, obj):
       if isinstance(obj, basestring):
-         return unicode.__new__(cls, obj)
+         return text_type.__new__(cls, obj)
       elif isinstance(obj, DataObject):
          if obj.key:
-            return unicode.__new__(cls, obj.key)
+            return text_type.__new__(cls, obj.key)
          raise AttributeError("DataObject does not have a key to link")
       else:
          raise ValueError
@@ -1238,7 +1241,7 @@ short  = type("short", (int,), {})
 double = type("double", (float,), {})
 URI = type("URI", (str,), {})
 binary = type("binary", (str,), {})
-PropertyPath = type("PropertyPath", (unicode,), {})
+PropertyPath = type("PropertyPath", (text_type,), {})
 
 # _wsdlTypeMapNSs store namespaces added to _wsdlTypeMap in _SetWsdlType
 _wsdlTypeMapNSs = set()
@@ -1278,8 +1281,8 @@ del name, typ
 
 # unicode is mapped to wsdl name 'string' (Cannot put in wsdlTypeMap or name
 # collision with non-unicode string)
-_wsdlNameMap[unicode] = (XMLNS_XSD, 'string')
-_wsdlNameMap[CreateArrayType(unicode)] = (XMLNS_VMODL_BASE, 'ArrayOfString')
+_wsdlNameMap[text_type] = (XMLNS_XSD, 'string')
+_wsdlNameMap[CreateArrayType(text_type)] = (XMLNS_VMODL_BASE, 'ArrayOfString')
 
 # _wsdlMethodNSs store namespaces added to _wsdlMethodMap in _SetWsdlMethod
 _wsdlMethodNSs = set()