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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Utilities for RPC Framework's Face interface."""
import collections
# stream is referenced from specification in this module.
from grpc.framework.common import cardinality
from grpc.framework.common import style
from grpc.framework.foundation import stream # pylint: disable=unused-import
from grpc.framework.interfaces.face import face
class _MethodImplementation(face.MethodImplementation,
collections.namedtuple('_MethodImplementation', [
'cardinality',
'style',
'unary_unary_inline',
'unary_stream_inline',
'stream_unary_inline',
'stream_stream_inline',
'unary_unary_event',
'unary_stream_event',
'stream_unary_event',
'stream_stream_event',
])):
pass
def unary_unary_inline(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a unary-unary RPC method as a callable value
that takes a request value and an face.ServicerContext object and
returns a response value.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(cardinality.Cardinality.UNARY_UNARY,
style.Service.INLINE, behavior, None, None,
None, None, None, None, None)
def unary_stream_inline(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a unary-stream RPC method as a callable
value that takes a request value and an face.ServicerContext object and
returns an iterator of response values.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(cardinality.Cardinality.UNARY_STREAM,
style.Service.INLINE, None, behavior, None,
None, None, None, None, None)
def stream_unary_inline(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a stream-unary RPC method as a callable
value that takes an iterator of request values and an
face.ServicerContext object and returns a response value.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(cardinality.Cardinality.STREAM_UNARY,
style.Service.INLINE, None, None, behavior,
None, None, None, None, None)
def stream_stream_inline(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a stream-stream RPC method as a callable
value that takes an iterator of request values and an
face.ServicerContext object and returns an iterator of response values.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(cardinality.Cardinality.STREAM_STREAM,
style.Service.INLINE, None, None, None,
behavior, None, None, None, None)
def unary_unary_event(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a unary-unary RPC method as a callable
value that takes a request value, a response callback to which to pass
the response value of the RPC, and an face.ServicerContext.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(cardinality.Cardinality.UNARY_UNARY,
style.Service.EVENT, None, None, None, None,
behavior, None, None, None)
def unary_stream_event(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a unary-stream RPC method as a callable
value that takes a request value, a stream.Consumer to which to pass the
the response values of the RPC, and an face.ServicerContext.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(cardinality.Cardinality.UNARY_STREAM,
style.Service.EVENT, None, None, None, None,
None, behavior, None, None)
def stream_unary_event(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a stream-unary RPC method as a callable
value that takes a response callback to which to pass the response value
of the RPC and an face.ServicerContext and returns a stream.Consumer to
which the request values of the RPC should be passed.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(cardinality.Cardinality.STREAM_UNARY,
style.Service.EVENT, None, None, None, None,
None, None, behavior, None)
def stream_stream_event(behavior):
"""Creates an face.MethodImplementation for the given behavior.
Args:
behavior: The implementation of a stream-stream RPC method as a callable
value that takes a stream.Consumer to which to pass the response values
of the RPC and an face.ServicerContext and returns a stream.Consumer to
which the request values of the RPC should be passed.
Returns:
An face.MethodImplementation derived from the given behavior.
"""
return _MethodImplementation(cardinality.Cardinality.STREAM_STREAM,
style.Service.EVENT, None, None, None, None,
None, None, None, behavior)
|
