How to use _condition method in hypothesis

Best Python code snippet using hypothesis

_handler.py

Source:_handler.py

1# Copyright 2017 gRPC authors.2#3# Licensed under the Apache License, Version 2.0 (the "License");4# you may not use this file except in compliance with the License.5# You may obtain a copy of the License at6#7#     http://www.apache.org/licenses/LICENSE-2.08#9# Unless required by applicable law or agreed to in writing, software10# distributed under the License is distributed on an "AS IS" BASIS,11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12# See the License for the specific language governing permissions and13# limitations under the License.14import abc15import threading16import grpc17from grpc_testing import _common18_CLIENT_INACTIVE = object()19class Handler(_common.ServerRpcHandler):20    @abc.abstractmethod21    def initial_metadata(self):22        raise NotImplementedError()23    @abc.abstractmethod24    def add_request(self, request):25        raise NotImplementedError()26    @abc.abstractmethod27    def take_response(self):28        raise NotImplementedError()29    @abc.abstractmethod30    def requests_closed(self):31        raise NotImplementedError()32    @abc.abstractmethod33    def cancel(self):34        raise NotImplementedError()35    @abc.abstractmethod36    def unary_response_termination(self):37        raise NotImplementedError()38    @abc.abstractmethod39    def stream_response_termination(self):40        raise NotImplementedError()41class _Handler(Handler):42    def __init__(self, requests_closed):43        self._condition = threading.Condition()44        self._requests = []45        self._requests_closed = requests_closed46        self._initial_metadata = None47        self._responses = []48        self._trailing_metadata = None49        self._code = None50        self._details = None51        self._unary_response = None52        self._expiration_future = None53        self._termination_callbacks = []54    def send_initial_metadata(self, initial_metadata):55        with self._condition:56            self._initial_metadata = initial_metadata57            self._condition.notify_all()58    def take_request(self):59        with self._condition:60            while True:61                if self._code is None:62                    if self._requests:63                        request = self._requests.pop(0)64                        self._condition.notify_all()65                        return _common.ServerRpcRead(request, False, False)66                    elif self._requests_closed:67                        return _common.REQUESTS_CLOSED68                    else:69                        self._condition.wait()70                else:71                    return _common.TERMINATED72    def is_active(self):73        with self._condition:74            return self._code is None75    def add_response(self, response):76        with self._condition:77            self._responses.append(response)78            self._condition.notify_all()79    def send_termination(self, trailing_metadata, code, details):80        with self._condition:81            self._trailing_metadata = trailing_metadata82            self._code = code83            self._details = details84            if self._expiration_future is not None:85                self._expiration_future.cancel()86            self._condition.notify_all()87    def add_termination_callback(self, termination_callback):88        with self._condition:89            if self._code is None:90                self._termination_callbacks.append(termination_callback)91                return True92            else:93                return False94    def initial_metadata(self):95        with self._condition:96            while True:97                if self._initial_metadata is None:98                    if self._code is None:99                        self._condition.wait()100                    else:101                        raise ValueError(102                            'No initial metadata despite status code!')103                else:104                    return self._initial_metadata105    def add_request(self, request):106        with self._condition:107            self._requests.append(request)108            self._condition.notify_all()109    def take_response(self):110        with self._condition:111            while True:112                if self._responses:113                    response = self._responses.pop(0)114                    self._condition.notify_all()115                    return response116                elif self._code is None:117                    self._condition.wait()118                else:119                    raise ValueError('No more responses!')120    def requests_closed(self):121        with self._condition:122            self._requests_closed = True123            self._condition.notify_all()124    def cancel(self):125        with self._condition:126            if self._code is None:127                self._code = _CLIENT_INACTIVE128                termination_callbacks = self._termination_callbacks129                self._termination_callbacks = None130                if self._expiration_future is not None:131                    self._expiration_future.cancel()132                self._condition.notify_all()133        for termination_callback in termination_callbacks:134            termination_callback()135    def unary_response_termination(self):136        with self._condition:137            while True:138                if self._code is _CLIENT_INACTIVE:139                    raise ValueError('Huh? Cancelled but wanting status?')140                elif self._code is None:141                    self._condition.wait()142                else:143                    if self._unary_response is None:144                        if self._responses:145                            self._unary_response = self._responses.pop(0)146                    return (147                        self._unary_response,148                        self._trailing_metadata,149                        self._code,150                        self._details,151                    )152    def stream_response_termination(self):153        with self._condition:154            while True:155                if self._code is _CLIENT_INACTIVE:156                    raise ValueError('Huh? Cancelled but wanting status?')157                elif self._code is None:158                    self._condition.wait()159                else:160                    return self._trailing_metadata, self._code, self._details,161    def expire(self):162        with self._condition:163            if self._code is None:164                if self._initial_metadata is None:165                    self._initial_metadata = _common.FUSSED_EMPTY_METADATA166                self._trailing_metadata = _common.FUSSED_EMPTY_METADATA167                self._code = grpc.StatusCode.DEADLINE_EXCEEDED168                self._details = 'Took too much time!'169                termination_callbacks = self._termination_callbacks170                self._termination_callbacks = None171                self._condition.notify_all()172        for termination_callback in termination_callbacks:173            termination_callback()174    def set_expiration_future(self, expiration_future):175        with self._condition:176            self._expiration_future = expiration_future177def handler_without_deadline(requests_closed):178    return _Handler(requests_closed)179def handler_with_deadline(requests_closed, time, deadline):180    handler = _Handler(requests_closed)181    expiration_future = time.call_at(handler.expire, deadline)182    handler.set_expiration_future(expiration_future)...

_rpc_state.py

Source:_rpc_state.py

1# Copyright 2017 gRPC authors.2#3# Licensed under the Apache License, Version 2.0 (the "License");4# you may not use this file except in compliance with the License.5# You may obtain a copy of the License at6#7#     http://www.apache.org/licenses/LICENSE-2.08#9# Unless required by applicable law or agreed to in writing, software10# distributed under the License is distributed on an "AS IS" BASIS,11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12# See the License for the specific language governing permissions and13# limitations under the License.14import threading15import grpc16from grpc_testing import _common17class State(_common.ChannelRpcHandler):18    def __init__(self, invocation_metadata, requests, requests_closed):19        self._condition = threading.Condition()20        self._invocation_metadata = invocation_metadata21        self._requests = requests22        self._requests_closed = requests_closed23        self._initial_metadata = None24        self._responses = []25        self._trailing_metadata = None26        self._code = None27        self._details = None28    def initial_metadata(self):29        with self._condition:30            while True:31                if self._initial_metadata is None:32                    if self._code is None:33                        self._condition.wait()34                    else:35                        return _common.FUSSED_EMPTY_METADATA36                else:37                    return self._initial_metadata38    def add_request(self, request):39        with self._condition:40            if self._code is None and not self._requests_closed:41                self._requests.append(request)42                self._condition.notify_all()43                return True44            else:45                return False46    def close_requests(self):47        with self._condition:48            if self._code is None and not self._requests_closed:49                self._requests_closed = True50                self._condition.notify_all()51    def take_response(self):52        with self._condition:53            while True:54                if self._code is grpc.StatusCode.OK:55                    if self._responses:56                        response = self._responses.pop(0)57                        return _common.ChannelRpcRead(response, None, None,58                                                      None)59                    else:60                        return _common.ChannelRpcRead(61                            None, self._trailing_metadata, grpc.StatusCode.OK,62                            self._details)63                elif self._code is None:64                    if self._responses:65                        response = self._responses.pop(0)66                        return _common.ChannelRpcRead(response, None, None,67                                                      None)68                    else:69                        self._condition.wait()70                else:71                    return _common.ChannelRpcRead(None, self._trailing_metadata,72                                                  self._code, self._details)73    def termination(self):74        with self._condition:75            while True:76                if self._code is None:77                    self._condition.wait()78                else:79                    return self._trailing_metadata, self._code, self._details80    def cancel(self, code, details):81        with self._condition:82            if self._code is None:83                if self._initial_metadata is None:84                    self._initial_metadata = _common.FUSSED_EMPTY_METADATA85                self._trailing_metadata = _common.FUSSED_EMPTY_METADATA86                self._code = code87                self._details = details88                self._condition.notify_all()89                return True90            else:91                return False92    def take_invocation_metadata(self):93        with self._condition:94            if self._invocation_metadata is None:95                raise ValueError('Expected invocation metadata!')96            else:97                invocation_metadata = self._invocation_metadata98                self._invocation_metadata = None99                return invocation_metadata100    def take_invocation_metadata_and_request(self):101        with self._condition:102            if self._invocation_metadata is None:103                raise ValueError('Expected invocation metadata!')104            elif not self._requests:105                raise ValueError('Expected at least one request!')106            else:107                invocation_metadata = self._invocation_metadata108                self._invocation_metadata = None109                return invocation_metadata, self._requests.pop(0)110    def send_initial_metadata(self, initial_metadata):111        with self._condition:112            self._initial_metadata = _common.fuss_with_metadata(113                initial_metadata)114            self._condition.notify_all()115    def take_request(self):116        with self._condition:117            while True:118                if self._requests:119                    return self._requests.pop(0)120                else:121                    self._condition.wait()122    def requests_closed(self):123        with self._condition:124            while True:125                if self._requests_closed:126                    return127                else:128                    self._condition.wait()129    def send_response(self, response):130        with self._condition:131            if self._code is None:132                self._responses.append(response)133                self._condition.notify_all()134    def terminate_with_response(self, response, trailing_metadata, code,135                                details):136        with self._condition:137            if self._initial_metadata is None:138                self._initial_metadata = _common.FUSSED_EMPTY_METADATA139            self._responses.append(response)140            self._trailing_metadata = _common.fuss_with_metadata(141                trailing_metadata)142            self._code = code143            self._details = details144            self._condition.notify_all()145    def terminate(self, trailing_metadata, code, details):146        with self._condition:147            if self._initial_metadata is None:148                self._initial_metadata = _common.FUSSED_EMPTY_METADATA149            self._trailing_metadata = _common.fuss_with_metadata(150                trailing_metadata)151            self._code = code152            self._details = details153            self._condition.notify_all()154    def cancelled(self):155        with self._condition:156            while True:157                if self._code is grpc.StatusCode.CANCELLED:158                    return159                elif self._code is None:160                    self._condition.wait()161                else:162                    raise ValueError('Status code unexpectedly {}!'.format(163                        self._code))164    def is_active(self):165        raise NotImplementedError()166    def time_remaining(self):167        raise NotImplementedError()168    def add_callback(self, callback):...

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