/usr/lib/python2.7/dist-packages/amqp/basic_message.py is in python-amqp 1.4.9-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | """Messages for AMQP"""
# Copyright (C) 2007-2008 Barry Pederson <bp@barryp.org>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
from __future__ import absolute_import
from .serialization import GenericContent
__all__ = ['Message']
class Message(GenericContent):
"""A Message for use with the Channnel.basic_* methods."""
#: Instances of this class have these attributes, which
#: are passed back and forth as message properties between
#: client and server
PROPERTIES = [
('content_type', 'shortstr'),
('content_encoding', 'shortstr'),
('application_headers', 'table'),
('delivery_mode', 'octet'),
('priority', 'octet'),
('correlation_id', 'shortstr'),
('reply_to', 'shortstr'),
('expiration', 'shortstr'),
('message_id', 'shortstr'),
('timestamp', 'timestamp'),
('type', 'shortstr'),
('user_id', 'shortstr'),
('app_id', 'shortstr'),
('cluster_id', 'shortstr')
]
def __init__(self, body='', children=None, channel=None, **properties):
"""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: datetime.datetime
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})
"""
super(Message, self).__init__(**properties)
self.body = body
self.channel = channel
def __eq__(self, other):
"""Check if the properties and bodies of this Message and another
Message are the same.
Received messages may contain a 'delivery_info' attribute,
which isn't compared.
"""
try:
return (super(Message, self).__eq__(other) and
self.body == other.body)
except AttributeError:
return NotImplemented
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