Updates

ETB-API/venv/lib/python3.12/site-packages/amqp/basic_message.py

@@ -0,0 +1,122 @@
+"""AMQP Messages."""
+# Copyright (C) 2007-2008 Barry Pederson <bp@barryp.org>
+from .serialization import GenericContent
+# Intended to fix #85: ImportError: cannot import name spec
+# Encountered on python 2.7.3
+# "The submodules often need to refer to each other. For example, the
+#  surround [sic] module might use the echo module. In fact, such
+#  references are so common that the import statement first looks in
+#  the containing package before looking in the standard module search
+#  path."
+# Source:
+#   http://stackoverflow.com/a/14216937/4982251
+from .spec import Basic
+
+__all__ = ('Message',)
+
+
+class Message(GenericContent):
+    """A Message for use with the Channel.basic_* methods.
+
+    Expected arg types
+
+        body: string
+        children: (not supported)
+
+    Keyword properties may include:
+
+        content_type: shortstr
+            MIME content type
+
+        content_encoding: shortstr
+            MIME content encoding
+
+        application_headers: table
+            Message header field table, a dict with string keys,
+            and string | int | Decimal | datetime | dict values.
+
+        delivery_mode: octet
+            Non-persistent (1) or persistent (2)
+
+        priority: octet
+            The message priority, 0 to 9
+
+        correlation_id: shortstr
+            The application correlation identifier
+
+        reply_to: shortstr
+            The destination to reply to
+
+        expiration: shortstr
+            Message expiration specification
+
+        message_id: shortstr
+            The application message identifier
+
+        timestamp: unsigned long
+            The message timestamp
+
+        type: shortstr
+            The message type name
+
+        user_id: shortstr
+            The creating user id
+
+        app_id: shortstr
+            The creating application id
+
+        cluster_id: shortstr
+            Intra-cluster routing identifier
+
+        Unicode bodies are encoded according to the 'content_encoding'
+        argument. If that's None, it's set to 'UTF-8' automatically.
+
+        Example::
+
+            msg = Message('hello world',
+                            content_type='text/plain',
+                            application_headers={'foo': 7})
+    """
+
+    CLASS_ID = Basic.CLASS_ID
+
+    #: Instances of this class have these attributes, which
+    #: are passed back and forth as message properties between
+    #: client and server
+    PROPERTIES = [
+        ('content_type', 's'),
+        ('content_encoding', 's'),
+        ('application_headers', 'F'),
+        ('delivery_mode', 'o'),
+        ('priority', 'o'),
+        ('correlation_id', 's'),
+        ('reply_to', 's'),
+        ('expiration', 's'),
+        ('message_id', 's'),
+        ('timestamp', 'L'),
+        ('type', 's'),
+        ('user_id', 's'),
+        ('app_id', 's'),
+        ('cluster_id', 's')
+    ]
+
+    def __init__(self, body='', children=None, channel=None, **properties):
+        super().__init__(**properties)
+        #: set by basic_consume/basic_get
+        self.delivery_info = None
+        self.body = body
+        self.channel = channel
+
+    __slots__ = (
+        "delivery_info",
+        "body",
+        "channel",
+        )
+
+    @property
+    def headers(self):
+        return self.properties.get('application_headers')
+
+    @property
+    def delivery_tag(self):
+        return self.delivery_info.get('delivery_tag')