Import of qpid from etp:

  URL: https://etp.108.redhat.com/svn/etp/trunk/blaze
  Repository Root: https://etp.108.redhat.com/svn/etp
  Repository UUID: 06e15bec-b515-0410-bef0-cc27a458cf48
  Revision: 608



git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@447994 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 81 insertions, 0 deletions

diff --git a/python/qpid/message.py b/python/qpid/message.py
new file mode 100644
index 0000000000..08b3e70c0b
--- /dev/null
+++ b/python/qpid/message.py
@@ -0,0 +1,81 @@
+#
+# Copyright (c) 2006 The Apache Software Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+from sets import Set
+
+class Message:
+
+  COMMON_FIELDS = Set(("content", "method", "fields"))
+
+  def __init__(self, method, fields, content = None):
+    self.method = method
+    self.fields = fields
+    self.content = content
+
+  def __len__(self):
+    l = len(self.fields)
+    if method.content:
+      l += 1
+    return len(self.fields)
+
+  def _idx(self, idx):
+    if idx < 0: idx += len(self)
+    if idx < 0 or idx > len(self):
+      raise IndexError(idx)
+    return idx
+
+  def __getitem__(self, idx):
+    idx = self._idx(idx)
+    if idx == len(self.fields):
+      return self.content
+    else:
+      return self.fields[idx]
+
+  def __setitem__(self, idx, value):
+    idx = self._idx(idx)
+    if idx == len(self.fields):
+      self.content = value
+    else:
+      self.fields[idx] = value
+
+  def _slot(self, attr):
+    if attr in Message.COMMON_FIELDS:
+      env = self.__dict__
+      key = attr
+    else:
+      env = self.fields
+      try:
+        field = self.method.fields.bypyname[attr]
+        key = self.method.fields.index(field)
+      except KeyError:
+        raise AttributeError(attr)
+    return env, key
+
+  def __getattr__(self, attr):
+    env, key = self._slot(attr)
+    return env[key]
+
+  def __setattr__(self, attr, value):
+    env, key = self._slot(attr)
+    env[attr] = value
+
+  STR = "%s %s content = %s"
+  REPR = STR.replace("%s", "%r")
+
+  def __str__(self):
+    return Message.STR % (self.method, self.fields, self.content)
+
+  def __repr__(self):
+    return Message.REPR % (self.method, self.fields, self.content)