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from __future__ import absolute_import
from itertools import count
import anyjson
from kombu.transport import base
class Message(base.Message):
def __init__(self, *args, **kwargs):
self.throw_decode_error = kwargs.get("throw_decode_error", False)
super(Message, self).__init__(*args, **kwargs)
def decode(self):
if self.throw_decode_error:
raise ValueError("can't decode message")
return super(Message, self).decode()
class Channel(base.StdChannel):
open = True
throw_decode_error = False
def __init__(self, connection):
self.connection = connection
self.called = []
self.deliveries = count(1).next
self.to_deliver = []
self.events = {"basic_return": []}
def _called(self, name):
self.called.append(name)
def __contains__(self, key):
return key in self.called
def exchange_declare(self, *args, **kwargs):
self._called("exchange_declare")
def prepare_message(self, message_data, properties={}, priority=0,
content_type=None, content_encoding=None, headers=None):
self._called("prepare_message")
return dict(body=message_data,
headers=headers,
properties=properties,
priority=priority,
content_type=content_type,
content_encoding=content_encoding)
def basic_publish(self, message, exchange="", routing_key="",
mandatory=False, immediate=False, **kwargs):
self._called("basic_publish")
return message, exchange, routing_key
def exchange_delete(self, *args, **kwargs):
self._called("exchange_delete")
def queue_declare(self, *args, **kwargs):
self._called("queue_declare")
def queue_bind(self, *args, **kwargs):
self._called("queue_bind")
def queue_unbind(self, *args, **kwargs):
self._called("queue_unbind")
def queue_delete(self, queue, if_unused=False, if_empty=False, **kwargs):
self._called("queue_delete")
def basic_get(self, *args, **kwargs):
self._called("basic_get")
try:
return self.to_deliver.pop()
except IndexError:
pass
def queue_purge(self, *args, **kwargs):
self._called("queue_purge")
def basic_consume(self, *args, **kwargs):
self._called("basic_consume")
def basic_cancel(self, *args, **kwargs):
self._called("basic_cancel")
def basic_ack(self, *args, **kwargs):
self._called("basic_ack")
def basic_recover(self, requeue=False):
self._called("basic_recover")
def close(self):
self._called("close")
def message_to_python(self, message, *args, **kwargs):
self._called("message_to_python")
return Message(self, body=anyjson.dumps(message),
delivery_tag=self.deliveries(),
throw_decode_error=self.throw_decode_error,
content_type="application/json", content_encoding="utf-8")
def flow(self, active):
self._called("flow")
def basic_reject(self, delivery_tag, requeue=False):
if requeue:
return self._called("basic_reject:requeue")
return self._called("basic_reject")
def basic_qos(self, prefetch_size=0, prefetch_count=0,
apply_global=False):
self._called("basic_qos")
class Connection(object):
connected = True
def __init__(self, client):
self.client = client
def channel(self):
return Channel(self)
class Transport(base.Transport):
def establish_connection(self):
return Connection(self.client)
def create_channel(self, connection):
return connection.channel()
def drain_events(self, connection, **kwargs):
return "event"
def close_connection(self, connection):
connection.connected = False
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