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
|
# Copyright 2015 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Utilities for use with the base interface of RPC Framework."""
import collections
from grpc.framework.interfaces.base import base
class _Completion(base.Completion,
collections.namedtuple('_Completion', ('terminal_metadata',
'code', 'message',))):
"""A trivial implementation of base.Completion."""
class _Subscription(base.Subscription,
collections.namedtuple('_Subscription', (
'kind', 'termination_callback', 'allowance', 'operator',
'protocol_receiver',))):
"""A trivial implementation of base.Subscription."""
_NONE_SUBSCRIPTION = _Subscription(base.Subscription.Kind.NONE, None, None,
None, None)
def completion(terminal_metadata, code, message):
"""Creates a base.Completion aggregating the given operation values.
Args:
terminal_metadata: A terminal metadata value for an operaton.
code: A code value for an operation.
message: A message value for an operation.
Returns:
A base.Completion aggregating the given operation values.
"""
return _Completion(terminal_metadata, code, message)
def full_subscription(operator, protocol_receiver):
"""Creates a "full" base.Subscription for the given base.Operator.
Args:
operator: A base.Operator to be used in an operation.
protocol_receiver: A base.ProtocolReceiver to be used in an operation.
Returns:
A base.Subscription of kind base.Subscription.Kind.FULL wrapping the given
base.Operator and base.ProtocolReceiver.
"""
return _Subscription(base.Subscription.Kind.FULL, None, None, operator,
protocol_receiver)
|
