def set_filter(self,
value,
name=constants.STRING_FILTER,
descriptor=constants.STRING_FILTER):
"""Set a filter on the endpoint. Only one filter
can be applied to an endpoint.
:param value: The filter to apply to the endpoint. Set to None for a NULL filter.
:type value: bytes or str or None
:param name: The name of the filter. This will be encoded as
an AMQP Symbol. By default this is set to b'apache.org:selector-filter:string'.
:type name: bytes
:param descriptor: The descriptor used if the filter is to be encoded as a described value.
This will be encoded as an AMQP Symbol. By default this is set to b'apache.org:selector-filter:string'.
Set to None if the filter should not be encoded as a described value.
:type descriptor: bytes or None
"""
value = value.encode(self._encoding) if isinstance(
value, six.text_type) else value
filter_set = c_uamqp.dict_value()
filter_key = c_uamqp.symbol_value(name)
filter_value = utils.data_factory(value, encoding=self._encoding)
if value is not None and descriptor is not None:
descriptor = c_uamqp.symbol_value(descriptor)
filter_value = c_uamqp.described_value(descriptor, filter_value)
filter_set[filter_key] = filter_value
self._address.filter_set = filter_set
def test_delivery_rejected():
rej_val = c_uamqp.Messaging.delivery_rejected(b'Failed', b'Test failure')
assert rej_val.type == c_uamqp.AMQPType.CompositeType
assert rej_val.size == 1
assert rej_val[0].type == c_uamqp.AMQPType.CompositeType
assert rej_val[0].size == 2
assert str(rej_val[0][0]) == 'Failed'
assert str(rej_val[0][1]) == 'Test failure'
error = c_uamqp.dict_value()
error_key = c_uamqp.string_value(b"key123")
error_value = c_uamqp.string_value(b"value456")
error[error_key] = error_value
error_info = c_uamqp.create_fields(error)
rej_val = c_uamqp.Messaging.delivery_rejected(b'Failed', b'Test failure',
error_info)
assert rej_val.type == c_uamqp.AMQPType.CompositeType
assert rej_val.size == 1
assert rej_val[0].type == c_uamqp.AMQPType.CompositeType
assert rej_val[0].size == 3
assert str(rej_val[0][0]) == 'Failed'
assert str(rej_val[0][1]) == 'Test failure'
error_info = rej_val[0][2]
assert error_info.type == c_uamqp.AMQPType.DictValue
assert error_info[error_key] == error_value
def data_factory(value, encoding='UTF-8'):
"""Wrap a Python type in the equivalent C AMQP type.
If the Python type has already been wrapped in a ~uamqp.types.AMQPType
object - then this will be used to select the appropriate C type.
- bool => c_uamqp.BoolValue
- int => c_uamqp.IntValue, LongValue, DoubleValue
- str => c_uamqp.StringValue
- bytes => c_uamqp.BinaryValue
- list/set/tuple => c_uamqp.ListValue
- dict => c_uamqp.DictValue (AMQP map)
- float => c_uamqp.DoubleValue
- uuid.UUID => c_uamqp.UUIDValue
:param value: The value to wrap.
:type value: ~uamqp.types.AMQPType
:rtype: uamqp.c_uamqp.AMQPValue
"""
result = None
if value is None:
result = c_uamqp.null_value()
elif hasattr(value, 'c_data'):
result = value.c_data
elif isinstance(value, c_uamqp.AMQPValue):
result = value
elif isinstance(value, bool):
result = c_uamqp.bool_value(value)
elif isinstance(value, six.text_type):
result = c_uamqp.string_value(value.encode(encoding))
elif isinstance(value, six.binary_type):
result = c_uamqp.string_value(value)
elif isinstance(value, uuid.UUID):
result = c_uamqp.uuid_value(value)
elif isinstance(value, bytearray):
result = c_uamqp.binary_value(value)
elif isinstance(value, six.integer_types):
result = _convert_py_number(value)
elif isinstance(value, float):
result = c_uamqp.double_value(value)
elif isinstance(value, dict):
wrapped_dict = c_uamqp.dict_value()
for key, item in value.items():
wrapped_dict[data_factory(key, encoding=encoding)] = data_factory(
item, encoding=encoding)
result = wrapped_dict
elif isinstance(value, (list, set, tuple)):
wrapped_list = c_uamqp.list_value()
wrapped_list.size = len(value)
for index, item in enumerate(value):
wrapped_list[index] = data_factory(item, encoding=encoding)
result = wrapped_list
elif isinstance(value, datetime):
timestamp = int((time.mktime(value.utctimetuple()) * 1000) +
(value.microsecond / 1000))
result = c_uamqp.timestamp_value(timestamp)
return result
def data_factory(value, encoding='UTF-8'):
"""Wrap a Python type in the equivalent C AMQP type.
If the Python type has already been wrapped in a ~uamqp.types.AMQPType
object - then this will be used to select the appropriate C type.
- bool => c_uamqp.BoolValue
- int => c_uamqp.IntValue
- str => c_uamqp.StringValue
- bytes => c_uamqp.BinaryValue
- str (char) => c_uamqp.CharValue
- list/set/tuple => c_uamqp.ListValue
- dict => c_uamqp.DictValue (AMQP map)
- float => c_uamqp.DoubleValue
- uuid.UUID => c_uamqp.UUIDValue
:param value: The value to wrap.
:returns: c_uamqp.AMQPValue
"""
result = None
if value is None:
result = c_uamqp.null_value()
elif isinstance(value, types.AMQPType):
result = value.c_data
elif isinstance(value, c_uamqp.AMQPValue):
result = value
elif isinstance(value, bool):
result = c_uamqp.bool_value(value)
elif isinstance(value, str) and len(value) == 1:
result = c_uamqp.char_value(value.encode(encoding))
elif isinstance(value, str) and len(value) > 1:
result = c_uamqp.string_value(value.encode(encoding))
elif isinstance(value, bytes):
result = c_uamqp.string_value(value)
elif isinstance(value, uuid.UUID):
result = c_uamqp.uuid_value(value)
elif isinstance(value, bytearray):
result = c_uamqp.binary_value(value)
elif isinstance(value, float):
result = c_uamqp.double_value(value)
elif isinstance(value, int):
result = c_uamqp.int_value(value)
elif isinstance(value, dict):
wrapped_dict = c_uamqp.dict_value()
for key, item in value.items():
wrapped_dict[data_factory(key, encoding=encoding)] = data_factory(item, encoding=encoding)
result = wrapped_dict
elif isinstance(value, (list, set, tuple)):
wrapped_list = c_uamqp.list_value()
wrapped_list.size = len(value)
for index, item in enumerate(value):
wrapped_list[index] = data_factory(item, encoding=encoding)
result = wrapped_list
return result
def set_filter(self, value, name=constants.STRING_FILTER):
"""Set a filter on the endpoint. Only one filter
can be applied to an endpoint.
:param value: The filter to apply to the endpoint.
:type value: bytes or str
:param name: The name of the filter. This will be encoded as
an AMQP Symbol and will also be used as the filter descriptor.
By default this is set to b'apache.org:selector-filter:string'.
:type name: bytes
"""
value = value.encode(self._encoding) if isinstance(value,
str) else value
filter_set = c_uamqp.dict_value()
filter_key = c_uamqp.symbol_value(name)
descriptor = c_uamqp.symbol_value(name)
filter_value = c_uamqp.string_value(value)
described_filter_value = c_uamqp.described_value(
descriptor, filter_value)
self._filters.append((descriptor, filter_value))
filter_set[filter_key] = described_filter_value
self._address.filter_set = filter_set
def test_dict_value():
value = c_uamqp.dict_value()
assert value.type == c_uamqp.AMQPType.DictValue
one = c_uamqp.string_value(b'One')
two = c_uamqp.string_value(b'Two')
i_one = c_uamqp.int_value(1)
i_two = c_uamqp.int_value(2)
value[one] = i_one
value[two] = i_two
assert len(value) == 2
assert value[one].value == 1
assert value[two].value == 2
with pytest.raises(KeyError):
value[c_uamqp.null_value()]
assert value.get(0) == (one, i_one)
assert value.get(1) == (two, i_two)
with pytest.raises(IndexError):
value.get(2)
assert value.value == {b"One": 1, b"Two": 2}
assert str(value) == "{[One:1],[Two:2]}"