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How to use from_json method in localstack
Best Python code snippet using localstack_python
web_audio.py
Source:web_audio.py 
...15 '''16 def to_json(self) -> str:17 return self18 @classmethod19 def from_json(cls, json: str) -> GraphObjectId:20 return cls(json)21 def __repr__(self):22 return 'GraphObjectId({})'.format(super().__repr__())23class ContextType(enum.Enum):24 '''25 Enum of BaseAudioContext types26 '''27 REALTIME = "realtime"28 OFFLINE = "offline"29 def to_json(self):30 return self.value31 @classmethod32 def from_json(cls, json):33 return cls(json)34class ContextState(enum.Enum):35 '''36 Enum of AudioContextState from the spec37 '''38 SUSPENDED = "suspended"39 RUNNING = "running"40 CLOSED = "closed"41 def to_json(self):42 return self.value43 @classmethod44 def from_json(cls, json):45 return cls(json)46class NodeType(str):47 '''48 Enum of AudioNode types49 '''50 def to_json(self) -> str:51 return self52 @classmethod53 def from_json(cls, json: str) -> NodeType:54 return cls(json)55 def __repr__(self):56 return 'NodeType({})'.format(super().__repr__())57class ChannelCountMode(enum.Enum):58 '''59 Enum of AudioNode::ChannelCountMode from the spec60 '''61 CLAMPED_MAX = "clamped-max"62 EXPLICIT = "explicit"63 MAX_ = "max"64 def to_json(self):65 return self.value66 @classmethod67 def from_json(cls, json):68 return cls(json)69class ChannelInterpretation(enum.Enum):70 '''71 Enum of AudioNode::ChannelInterpretation from the spec72 '''73 DISCRETE = "discrete"74 SPEAKERS = "speakers"75 def to_json(self):76 return self.value77 @classmethod78 def from_json(cls, json):79 return cls(json)80class ParamType(str):81 '''82 Enum of AudioParam types83 '''84 def to_json(self) -> str:85 return self86 @classmethod87 def from_json(cls, json: str) -> ParamType:88 return cls(json)89 def __repr__(self):90 return 'ParamType({})'.format(super().__repr__())91class AutomationRate(enum.Enum):92 '''93 Enum of AudioParam::AutomationRate from the spec94 '''95 A_RATE = "a-rate"96 K_RATE = "k-rate"97 def to_json(self):98 return self.value99 @classmethod100 def from_json(cls, json):101 return cls(json)102@dataclass103class ContextRealtimeData:104 '''105 Fields in AudioContext that change in real-time.106 '''107 #: The current context time in second in BaseAudioContext.108 current_time: float109 #: The time spent on rendering graph divided by render qunatum duration,110 #: and multiplied by 100. 100 means the audio renderer reached the full111 #: capacity and glitch may occur.112 render_capacity: float113 #: A running mean of callback interval.114 callback_interval_mean: float115 #: A running variance of callback interval.116 callback_interval_variance: float117 def to_json(self):118 json = dict()119 json['currentTime'] = self.current_time120 json['renderCapacity'] = self.render_capacity121 json['callbackIntervalMean'] = self.callback_interval_mean122 json['callbackIntervalVariance'] = self.callback_interval_variance123 return json124 @classmethod125 def from_json(cls, json):126 return cls(127 current_time=float(json['currentTime']),128 render_capacity=float(json['renderCapacity']),129 callback_interval_mean=float(json['callbackIntervalMean']),130 callback_interval_variance=float(json['callbackIntervalVariance']),131 )132@dataclass133class BaseAudioContext:134 '''135 Protocol object for BaseAudioContext136 '''137 context_id: GraphObjectId138 context_type: ContextType139 context_state: ContextState140 #: Platform-dependent callback buffer size.141 callback_buffer_size: float142 #: Number of output channels supported by audio hardware in use.143 max_output_channel_count: float144 #: Context sample rate.145 sample_rate: float146 realtime_data: typing.Optional[ContextRealtimeData] = None147 def to_json(self):148 json = dict()149 json['contextId'] = self.context_id.to_json()150 json['contextType'] = self.context_type.to_json()151 json['contextState'] = self.context_state.to_json()152 json['callbackBufferSize'] = self.callback_buffer_size153 json['maxOutputChannelCount'] = self.max_output_channel_count154 json['sampleRate'] = self.sample_rate155 if self.realtime_data is not None:156 json['realtimeData'] = self.realtime_data.to_json()157 return json158 @classmethod159 def from_json(cls, json):160 return cls(161 context_id=GraphObjectId.from_json(json['contextId']),162 context_type=ContextType.from_json(json['contextType']),163 context_state=ContextState.from_json(json['contextState']),164 callback_buffer_size=float(json['callbackBufferSize']),165 max_output_channel_count=float(json['maxOutputChannelCount']),166 sample_rate=float(json['sampleRate']),167 realtime_data=ContextRealtimeData.from_json(json['realtimeData']) if 'realtimeData' in json else None,168 )169@dataclass170class AudioListener:171 '''172 Protocol object for AudioListner173 '''174 listener_id: GraphObjectId175 context_id: GraphObjectId176 def to_json(self):177 json = dict()178 json['listenerId'] = self.listener_id.to_json()179 json['contextId'] = self.context_id.to_json()180 return json181 @classmethod182 def from_json(cls, json):183 return cls(184 listener_id=GraphObjectId.from_json(json['listenerId']),185 context_id=GraphObjectId.from_json(json['contextId']),186 )187@dataclass188class AudioNode:189 '''190 Protocol object for AudioNode191 '''192 node_id: GraphObjectId193 context_id: GraphObjectId194 node_type: NodeType195 number_of_inputs: float196 number_of_outputs: float197 channel_count: float198 channel_count_mode: ChannelCountMode199 channel_interpretation: ChannelInterpretation200 def to_json(self):201 json = dict()202 json['nodeId'] = self.node_id.to_json()203 json['contextId'] = self.context_id.to_json()204 json['nodeType'] = self.node_type.to_json()205 json['numberOfInputs'] = self.number_of_inputs206 json['numberOfOutputs'] = self.number_of_outputs207 json['channelCount'] = self.channel_count208 json['channelCountMode'] = self.channel_count_mode.to_json()209 json['channelInterpretation'] = self.channel_interpretation.to_json()210 return json211 @classmethod212 def from_json(cls, json):213 return cls(214 node_id=GraphObjectId.from_json(json['nodeId']),215 context_id=GraphObjectId.from_json(json['contextId']),216 node_type=NodeType.from_json(json['nodeType']),217 number_of_inputs=float(json['numberOfInputs']),218 number_of_outputs=float(json['numberOfOutputs']),219 channel_count=float(json['channelCount']),220 channel_count_mode=ChannelCountMode.from_json(json['channelCountMode']),221 channel_interpretation=ChannelInterpretation.from_json(json['channelInterpretation']),222 )223@dataclass224class AudioParam:225 '''226 Protocol object for AudioParam227 '''228 param_id: GraphObjectId229 node_id: GraphObjectId230 context_id: GraphObjectId231 param_type: ParamType232 rate: AutomationRate233 default_value: float234 min_value: float235 max_value: float236 def to_json(self):237 json = dict()238 json['paramId'] = self.param_id.to_json()239 json['nodeId'] = self.node_id.to_json()240 json['contextId'] = self.context_id.to_json()241 json['paramType'] = self.param_type.to_json()242 json['rate'] = self.rate.to_json()243 json['defaultValue'] = self.default_value244 json['minValue'] = self.min_value245 json['maxValue'] = self.max_value246 return json247 @classmethod248 def from_json(cls, json):249 return cls(250 param_id=GraphObjectId.from_json(json['paramId']),251 node_id=GraphObjectId.from_json(json['nodeId']),252 context_id=GraphObjectId.from_json(json['contextId']),253 param_type=ParamType.from_json(json['paramType']),254 rate=AutomationRate.from_json(json['rate']),255 default_value=float(json['defaultValue']),256 min_value=float(json['minValue']),257 max_value=float(json['maxValue']),258 )259def enable() -> typing.Generator[T_JSON_DICT,T_JSON_DICT,None]:260 '''261 Enables the WebAudio domain and starts sending context lifetime events.262 '''263 cmd_dict: T_JSON_DICT = {264 'method': 'WebAudio.enable',265 }266 json = yield cmd_dict267def disable() -> typing.Generator[T_JSON_DICT,T_JSON_DICT,None]:268 '''269 Disables the WebAudio domain.270 '''271 cmd_dict: T_JSON_DICT = {272 'method': 'WebAudio.disable',273 }274 json = yield cmd_dict275def get_realtime_data(276 context_id: GraphObjectId277 ) -> typing.Generator[T_JSON_DICT,T_JSON_DICT,ContextRealtimeData]:278 '''279 Fetch the realtime data from the registered contexts.280 :param context_id:281 :returns: 282 '''283 params: T_JSON_DICT = dict()284 params['contextId'] = context_id.to_json()285 cmd_dict: T_JSON_DICT = {286 'method': 'WebAudio.getRealtimeData',287 'params': params,288 }289 json = yield cmd_dict290 return ContextRealtimeData.from_json(json['realtimeData'])291@event_class('WebAudio.contextCreated')292@dataclass293class ContextCreated:294 '''295 Notifies that a new BaseAudioContext has been created.296 '''297 context: BaseAudioContext298 @classmethod299 def from_json(cls, json: T_JSON_DICT) -> ContextCreated:300 return cls(301 context=BaseAudioContext.from_json(json['context'])302 )303@event_class('WebAudio.contextWillBeDestroyed')304@dataclass305class ContextWillBeDestroyed:306 '''307 Notifies that an existing BaseAudioContext will be destroyed.308 '''309 context_id: GraphObjectId310 @classmethod311 def from_json(cls, json: T_JSON_DICT) -> ContextWillBeDestroyed:312 return cls(313 context_id=GraphObjectId.from_json(json['contextId'])314 )315@event_class('WebAudio.contextChanged')316@dataclass317class ContextChanged:318 '''319 Notifies that existing BaseAudioContext has changed some properties (id stays the same)..320 '''321 context: BaseAudioContext322 @classmethod323 def from_json(cls, json: T_JSON_DICT) -> ContextChanged:324 return cls(325 context=BaseAudioContext.from_json(json['context'])326 )327@event_class('WebAudio.audioListenerCreated')328@dataclass329class AudioListenerCreated:330 '''331 Notifies that the construction of an AudioListener has finished.332 '''333 listener: AudioListener334 @classmethod335 def from_json(cls, json: T_JSON_DICT) -> AudioListenerCreated:336 return cls(337 listener=AudioListener.from_json(json['listener'])338 )339@event_class('WebAudio.audioListenerWillBeDestroyed')340@dataclass341class AudioListenerWillBeDestroyed:342 '''343 Notifies that a new AudioListener has been created.344 '''345 context_id: GraphObjectId346 listener_id: GraphObjectId347 @classmethod348 def from_json(cls, json: T_JSON_DICT) -> AudioListenerWillBeDestroyed:349 return cls(350 context_id=GraphObjectId.from_json(json['contextId']),351 listener_id=GraphObjectId.from_json(json['listenerId'])352 )353@event_class('WebAudio.audioNodeCreated')354@dataclass355class AudioNodeCreated:356 '''357 Notifies that a new AudioNode has been created.358 '''359 node: AudioNode360 @classmethod361 def from_json(cls, json: T_JSON_DICT) -> AudioNodeCreated:362 return cls(363 node=AudioNode.from_json(json['node'])364 )365@event_class('WebAudio.audioNodeWillBeDestroyed')366@dataclass367class AudioNodeWillBeDestroyed:368 '''369 Notifies that an existing AudioNode has been destroyed.370 '''371 context_id: GraphObjectId372 node_id: GraphObjectId373 @classmethod374 def from_json(cls, json: T_JSON_DICT) -> AudioNodeWillBeDestroyed:375 return cls(376 context_id=GraphObjectId.from_json(json['contextId']),377 node_id=GraphObjectId.from_json(json['nodeId'])378 )379@event_class('WebAudio.audioParamCreated')380@dataclass381class AudioParamCreated:382 '''383 Notifies that a new AudioParam has been created.384 '''385 param: AudioParam386 @classmethod387 def from_json(cls, json: T_JSON_DICT) -> AudioParamCreated:388 return cls(389 param=AudioParam.from_json(json['param'])390 )391@event_class('WebAudio.audioParamWillBeDestroyed')392@dataclass393class AudioParamWillBeDestroyed:394 '''395 Notifies that an existing AudioParam has been destroyed.396 '''397 context_id: GraphObjectId398 node_id: GraphObjectId399 param_id: GraphObjectId400 @classmethod401 def from_json(cls, json: T_JSON_DICT) -> AudioParamWillBeDestroyed:402 return cls(403 context_id=GraphObjectId.from_json(json['contextId']),404 node_id=GraphObjectId.from_json(json['nodeId']),405 param_id=GraphObjectId.from_json(json['paramId'])406 )407@event_class('WebAudio.nodesConnected')408@dataclass409class NodesConnected:410 '''411 Notifies that two AudioNodes are connected.412 '''413 context_id: GraphObjectId414 source_id: GraphObjectId415 destination_id: GraphObjectId416 source_output_index: typing.Optional[float]417 destination_input_index: typing.Optional[float]418 @classmethod419 def from_json(cls, json: T_JSON_DICT) -> NodesConnected:420 return cls(421 context_id=GraphObjectId.from_json(json['contextId']),422 source_id=GraphObjectId.from_json(json['sourceId']),423 destination_id=GraphObjectId.from_json(json['destinationId']),424 source_output_index=float(json['sourceOutputIndex']) if 'sourceOutputIndex' in json else None,425 destination_input_index=float(json['destinationInputIndex']) if 'destinationInputIndex' in json else None426 )427@event_class('WebAudio.nodesDisconnected')428@dataclass429class NodesDisconnected:430 '''431 Notifies that AudioNodes are disconnected. The destination can be null, and it means all the outgoing connections from the source are disconnected.432 '''433 context_id: GraphObjectId434 source_id: GraphObjectId435 destination_id: GraphObjectId436 source_output_index: typing.Optional[float]437 destination_input_index: typing.Optional[float]438 @classmethod439 def from_json(cls, json: T_JSON_DICT) -> NodesDisconnected:440 return cls(441 context_id=GraphObjectId.from_json(json['contextId']),442 source_id=GraphObjectId.from_json(json['sourceId']),443 destination_id=GraphObjectId.from_json(json['destinationId']),444 source_output_index=float(json['sourceOutputIndex']) if 'sourceOutputIndex' in json else None,445 destination_input_index=float(json['destinationInputIndex']) if 'destinationInputIndex' in json else None446 )447@event_class('WebAudio.nodeParamConnected')448@dataclass449class NodeParamConnected:450 '''451 Notifies that an AudioNode is connected to an AudioParam.452 '''453 context_id: GraphObjectId454 source_id: GraphObjectId455 destination_id: GraphObjectId456 source_output_index: typing.Optional[float]457 @classmethod458 def from_json(cls, json: T_JSON_DICT) -> NodeParamConnected:459 return cls(460 context_id=GraphObjectId.from_json(json['contextId']),461 source_id=GraphObjectId.from_json(json['sourceId']),462 destination_id=GraphObjectId.from_json(json['destinationId']),463 source_output_index=float(json['sourceOutputIndex']) if 'sourceOutputIndex' in json else None464 )465@event_class('WebAudio.nodeParamDisconnected')466@dataclass467class NodeParamDisconnected:468 '''469 Notifies that an AudioNode is disconnected to an AudioParam.470 '''471 context_id: GraphObjectId472 source_id: GraphObjectId473 destination_id: GraphObjectId474 source_output_index: typing.Optional[float]475 @classmethod476 def from_json(cls, json: T_JSON_DICT) -> NodeParamDisconnected:477 return cls(478 context_id=GraphObjectId.from_json(json['contextId']),479 source_id=GraphObjectId.from_json(json['sourceId']),480 destination_id=GraphObjectId.from_json(json['destinationId']),481 source_output_index=float(json['sourceOutputIndex']) if 'sourceOutputIndex' in json else None...
test_fields.py
Source:test_fields.py
...8class DateTest(unittest.TestCase): # lint-amnesty, pylint: disable=missing-class-docstring9 date = Date()10 def compare_dates(self, dt1, dt2, expected_delta):11 assert (dt1 - dt2) == expected_delta, ((((str(dt1) + '-') + str(dt2)) + '!=') + str(expected_delta))12 def test_from_json(self):13 """Test conversion from iso compatible date strings to struct_time"""14 self.compare_dates(15 DateTest.date.from_json("2013-01-01"),16 DateTest.date.from_json("2012-12-31"),17 datetime.timedelta(days=1)18 )19 self.compare_dates(20 DateTest.date.from_json("2013-01-01T00"),21 DateTest.date.from_json("2012-12-31T23"),22 datetime.timedelta(hours=1)23 )24 self.compare_dates(25 DateTest.date.from_json("2013-01-01T00:00"),26 DateTest.date.from_json("2012-12-31T23:59"),27 datetime.timedelta(minutes=1)28 )29 self.compare_dates(30 DateTest.date.from_json("2013-01-01T00:00:00"),31 DateTest.date.from_json("2012-12-31T23:59:59"),32 datetime.timedelta(seconds=1)33 )34 self.compare_dates(35 DateTest.date.from_json("2013-01-01T00:00:00Z"),36 DateTest.date.from_json("2012-12-31T23:59:59Z"),37 datetime.timedelta(seconds=1)38 )39 self.compare_dates(40 DateTest.date.from_json("2012-12-31T23:00:01-01:00"),41 DateTest.date.from_json("2013-01-01T00:00:00+01:00"),42 datetime.timedelta(hours=1, seconds=1)43 )44 def test_enforce_type(self):45 assert DateTest.date.enforce_type(None) is None46 assert DateTest.date.enforce_type('') is None47 assert DateTest.date.enforce_type('2012-12-31T23:00:01') ==\48 datetime.datetime(2012, 12, 31, 23, 0, 1, tzinfo=UTC)49 assert DateTest.date.enforce_type(1234567890000) == datetime.datetime(2009, 2, 13, 23, 31, 30, tzinfo=UTC)50 assert DateTest.date.enforce_type(datetime.datetime(2014, 5, 9, 21, 1, 27, tzinfo=UTC)) ==\51 datetime.datetime(2014, 5, 9, 21, 1, 27, tzinfo=UTC)52 with pytest.raises(TypeError):53 DateTest.date.enforce_type([1])54 def test_return_None(self):55 assert DateTest.date.from_json('') is None56 assert DateTest.date.from_json(None) is None57 with pytest.raises(TypeError):58 DateTest.date.from_json(['unknown value'])59 def test_old_due_date_format(self):60 current = datetime.datetime.today()61 assert datetime.datetime(current.year, 3, 12, 12, tzinfo=UTC) == DateTest.date.from_json('March 12 12:00')62 assert datetime.datetime(current.year, 12, 4, 16, 30, tzinfo=UTC) == DateTest.date.from_json('December 4 16:30')63 assert DateTest.date.from_json('12 12:00') is None64 def test_non_std_from_json(self):65 """66 Test the non-standard args being passed to from_json67 """68 now = datetime.datetime.now(UTC)69 delta = now - datetime.datetime.fromtimestamp(0, UTC)70 assert DateTest.date.from_json(delta.total_seconds() * 1000) == now71 yesterday = datetime.datetime.now(UTC) - datetime.timedelta(days=-1)72 assert DateTest.date.from_json(yesterday) == yesterday73 def test_to_json(self):74 """75 Test converting time reprs to iso dates76 """77 assert DateTest.date.to_json(datetime.datetime.strptime('2012-12-31T23:59:59Z', '%Y-%m-%dT%H:%M:%SZ')) ==\78 '2012-12-31T23:59:59Z'79 assert DateTest.date.to_json(DateTest.date.from_json('2012-12-31T23:59:59Z')) == '2012-12-31T23:59:59Z'80 assert DateTest.date.to_json(DateTest.date.from_json('2012-12-31T23:00:01-01:00')) ==\81 '2012-12-31T23:00:01-01:00'82 with pytest.raises(TypeError):83 DateTest.date.to_json('2012-12-31T23:00:01-01:00')84class TimedeltaTest(unittest.TestCase): # lint-amnesty, pylint: disable=missing-class-docstring85 delta = Timedelta()86 def test_from_json(self):87 assert TimedeltaTest.delta.from_json('1 day 12 hours 59 minutes 59 seconds') ==\88 datetime.timedelta(days=1, hours=12, minutes=59, seconds=59)89 assert TimedeltaTest.delta.from_json('1 day 46799 seconds') == datetime.timedelta(days=1, seconds=46799)90 def test_enforce_type(self):91 assert TimedeltaTest.delta.enforce_type(None) is None92 assert TimedeltaTest.delta.enforce_type(datetime.timedelta(days=1, seconds=46799)) ==\93 datetime.timedelta(days=1, seconds=46799)94 assert TimedeltaTest.delta.enforce_type('1 day 46799 seconds') == datetime.timedelta(days=1, seconds=46799)95 with pytest.raises(TypeError):96 TimedeltaTest.delta.enforce_type([1])97 def test_to_json(self):98 assert '1 days 46799 seconds' ==\99 TimedeltaTest.delta.to_json(datetime.timedelta(days=1, hours=12, minutes=59, seconds=59))100class TimeInfoTest(unittest.TestCase): # lint-amnesty, pylint: disable=missing-class-docstring101 def test_time_info(self):102 due_date = datetime.datetime(2000, 4, 14, 10, tzinfo=UTC)103 grace_pd_string = '1 day 12 hours 59 minutes 59 seconds'104 timeinfo = TimeInfo(due_date, grace_pd_string)105 assert timeinfo.close_date == (due_date + Timedelta().from_json(grace_pd_string))106class RelativeTimeTest(unittest.TestCase): # lint-amnesty, pylint: disable=missing-class-docstring107 delta = RelativeTime()108 def test_from_json(self):109 assert RelativeTimeTest.delta.from_json('0:05:07') == datetime.timedelta(seconds=307)110 assert RelativeTimeTest.delta.from_json(100.0) == datetime.timedelta(seconds=100)111 assert RelativeTimeTest.delta.from_json(None) == datetime.timedelta(seconds=0)112 with pytest.raises(TypeError):113 RelativeTimeTest.delta.from_json(1234) # int114 with pytest.raises(ValueError):115 RelativeTimeTest.delta.from_json("77:77:77")116 def test_enforce_type(self):117 assert RelativeTimeTest.delta.enforce_type(None) is None118 assert RelativeTimeTest.delta.enforce_type(datetime.timedelta(days=1, seconds=46799)) ==\119 datetime.timedelta(days=1, seconds=46799)120 assert RelativeTimeTest.delta.enforce_type('0:05:07') == datetime.timedelta(seconds=307)121 with pytest.raises(TypeError):122 RelativeTimeTest.delta.enforce_type([1])123 def test_to_json(self):124 assert '01:02:03' == RelativeTimeTest.delta.to_json(datetime.timedelta(seconds=3723))125 assert '00:00:00' == RelativeTimeTest.delta.to_json(None)126 assert '00:01:40' == RelativeTimeTest.delta.to_json(100.0)127 error_msg = "RelativeTime max value is 23:59:59=86400.0 seconds, but 90000.0 seconds is passed"128 with self.assertRaisesRegex(ValueError, error_msg):129 RelativeTimeTest.delta.to_json(datetime.timedelta(seconds=90000))...
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