Add MQResponse model to define parameters used in NeonGeckoCom/neon_mq_connector#101

Author: NeonDaniel

neon_data_models/models/base/contexts.py

@@ -93,5 +93,9 @@ class KlatContext(BaseModel):
 
 
 class MQContext(BaseModel):
+    """
+    MQ context information that is included in all MQ message bodies and in
+    `Message.context['MQ']` for Message objects originating at MQ handlers.
+    """
     routing_key: Optional[str] = None
     message_id: str

neon_data_models/models/base/mq.py

@@ -0,0 +1,38 @@
+# NEON AI (TM) SOFTWARE, Software Development Kit & Application Development System
+# All trademark and other rights reserved by their respective owners
+# Copyright 2008-2024 Neongecko.com Inc.
+# BSD-3
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+# 1. Redistributions of source code must retain the above copyright notice,
+#    this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+# 3. Neither the name of the copyright holder nor the names of its
+#    contributors may be used to endorse or promote products derived from this
+#    software without specific prior written permission.
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+# OR PROFITS;  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE,  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from typing import Optional
+from pydantic import Field
+from neon_data_models.models.base.contexts import MQContext
+
+
+class MQResponse(MQContext):
+    is_final: bool = Field(default=True, alias="_is_final",
+                           description='If False, another response message is '
+                                       'expected.')
+    part: Optional[int] = Field(default=None, alias="_part",
+                                description='Index of this response message in '
+                                            'a series. (zero-indexed)')