added factory for structs, and made default spec loading based on AMQP_SPEC environment variable

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@592888 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 10 insertions, 1 deletions

diff --git a/python/qpid/__init__.py b/python/qpid/__init__.py
index 7afebaf73b..ff9cc04df8 100644
--- a/python/qpid/__init__.py
+++ b/python/qpid/__init__.py
@@ -21,10 +21,19 @@ import spec, codec, connection, content, peer, delegate, client
 
 class Struct:
 
-  def __init__(self, type):
+  def __init__(self, type, *args, **kwargs):
     self.__dict__["type"] = type
     self.__dict__["_values"] = {}
 
+    if len(args) > len(self.type.fields):
+      raise TypeError("too many args")
+
+    for a, f in zip(args, self.type.fields):
+      self.set(f.name, a)
+
+    for k, a in kwargs.items():
+      self.set(k, a)
+
   def _check(self, attr):
     field = self.type.fields.byname.get(attr)
     if field == None: