mirror of
https://github.com/koush/scrypted.git
synced 2026-02-07 07:52:12 +00:00
301 lines
10 KiB
Python
301 lines
10 KiB
Python
from __future__ import annotations
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from asyncio.futures import Future
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from asyncio.streams import StreamReader, StreamWriter
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import os
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from os import sys
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from sys import stderr, stdout
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more = os.path.join(os.getcwd(), 'node_modules/@scrypted/sdk')
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sys.path.insert(0, more)
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import scrypted_python.scrypted_sdk
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from scrypted_python.scrypted_sdk.types import DeviceManifest, MediaManager, MediaObject, ScryptedInterfaceProperty
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from collections.abc import Mapping
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from genericpath import exists
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import rpc
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import asyncio
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from asyncio.events import AbstractEventLoop
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import json
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import aiofiles
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from typing import Tuple
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from typing_extensions import TypedDict
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import base64
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import time
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import zipfile
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import subprocess
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from typing import Any
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from io import StringIO
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from typing import Optional
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class SystemDeviceState(TypedDict):
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lastEventTime: int
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stateTime: int
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value: any
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class SystemManager(scrypted_python.scrypted_sdk.SystemManager):
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def __init__(self, api: Any, systemState: Mapping[str, Mapping[str, SystemDeviceState]]) -> None:
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super().__init__()
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self.api = api
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self.systemState = systemState
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class DeviceState(scrypted_python.scrypted_sdk.DeviceState):
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def __init__(self, id: str, nativeId: str, systemManager: SystemManager, deviceManager: scrypted_python.scrypted_sdk.DeviceManager) -> None:
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super().__init__()
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self._id = id
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self.nativeId = nativeId
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self.deviceManager = deviceManager
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self.systemManager = systemManager
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def getScryptedProperty(self, property: str) -> Any:
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deviceState = getattr(self.systemManager.systemState, self.nativeId, None)
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if not deviceState:
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print("missing nativeId id %s" % self.nativeId)
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return None
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return getattr(deviceState, property, None)
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def setScryptedProperty(self, property: str, value: Any):
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if property == ScryptedInterfaceProperty.id.value:
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raise Exception("id is read only")
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if property == ScryptedInterfaceProperty.mixins.value:
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raise Exception("mixins is read only")
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if property == ScryptedInterfaceProperty.interfaces.value:
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raise Exception("interfaces is a read only post-mixin computed property, use providedInterfaces");
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now = int(time.time() * 1000)
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self.systemManager.systemState[self._id][property] = {
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"lastEventTime": now,
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"stateTime": now,
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"value": value
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}
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self.systemManager.api.setState(self.nativeId, property, value)
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class DeviceStorage:
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id: str
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nativeId: str
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storage: Mapping[str, str] = {}
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class DeviceManager(scrypted_python.scrypted_sdk.DeviceManager):
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def __init__(self, nativeIds: Mapping[str, DeviceStorage], systemManager: SystemManager) -> None:
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super().__init__()
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self.nativeIds = nativeIds
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self.systemManager = systemManager
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def getDeviceState(self, nativeId: str) -> DeviceState:
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id = self.nativeIds[nativeId].id
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return DeviceState(id, nativeId, self.systemManager, self)
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async def onDeviceEvent(self, nativeId: str, eventInterface: str, eventData: Any = None) -> None:
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await self.systemManager.api.onDeviceEvent(nativeId, eventInterface, eventData)
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async def onDevicesChanged(self, devices: DeviceManifest) -> None:
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return await self.systemManager.api.onDevicesChanged(devices)
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class BufferSerializer(rpc.RpcSerializer):
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def serialize(self, value):
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return base64.b64encode(value).decode('utf8')
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def deserialize(self, value):
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return base64.b64decode(value)
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class PluginRemote:
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systemState: Mapping[str, Mapping[str, SystemDeviceState]] = {}
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nativeIds: Mapping[str, DeviceStorage] = {}
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pluginId: str
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mediaManager: MediaManager
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loop: AbstractEventLoop
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consoles: Mapping[str, Future[Tuple[StreamReader, StreamWriter]]] = {}
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def __init__(self, api, pluginId, loop: AbstractEventLoop):
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self.api = api
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self.pluginId = pluginId
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self.loop = loop
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self.__dict__['__proxy_oneway_methods'] = [
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'notify',
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'updateDeviceState',
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'setSystemState',
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'ioEvent',
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'setNativeId',
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]
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async def print_async(self, nativeId: str, *values: object, sep: Optional[str] = ' ',
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end: Optional[str] = '\n',
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flush: bool = False,):
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consoleFuture = self.consoles.get(nativeId)
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if not consoleFuture:
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consoleFuture = Future()
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self.consoles[nativeId] = consoleFuture
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plugins = await self.api.getComponent('plugins')
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port = await plugins.getRemoteServicePort(self.pluginId, 'console-writer')
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connection = await asyncio.open_connection(port = port)
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_, writer = connection
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if not nativeId:
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nid = 'undefined'
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else:
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nid = nativeId
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nid += '\n'
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writer.write(nid.encode('utf8'))
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consoleFuture.set_result(connection)
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_, writer = await consoleFuture
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strio = StringIO()
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print(*values, sep=sep, end=end, flush=flush, file=strio)
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strio.seek(0)
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b = strio.read().encode('utf8')
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writer.write(b)
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def print(self, nativeId: str, *values: object, sep: Optional[str] = ' ',
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end: Optional[str] = '\n',
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flush: bool = False,):
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asyncio.run_coroutine_threadsafe(self.print_async(nativeId, *values, sep=sep, end=end, flush=flush), self.loop)
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async def loadZip(self, packageJson, zipData, options=None):
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zipPath = options['filename']
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f = open(zipPath, 'wb')
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f.write(zipData)
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f.close()
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zip = zipfile.ZipFile(zipPath)
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python_prefix = os.path.join(os.environ.get('SCRYPTED_PLUGIN_VOLUME'), 'python')
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if not os.path.exists(python_prefix):
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os.makedirs(python_prefix)
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python = 'python3.7'
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if 'requirements.txt' in zip.namelist():
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requirements = zip.open('requirements.txt').read()
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str_requirements = requirements.decode('utf8')
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requirementstxt = os.path.join(python_prefix, 'requirements.txt')
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installed_requirementstxt = os.path.join(python_prefix, 'installed-requirements.txt')
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need_pip = True
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try:
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existing = open(installed_requirementstxt).read()
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need_pip = existing != str_requirements
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except:
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pass
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if need_pip:
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print('requirements.txt (outdated)')
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print(str_requirements)
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f = open(requirementstxt, 'wb')
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f.write(requirements)
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f.close()
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p = subprocess.Popen([python, '-m', 'pip', 'install', '-r', requirementstxt, '--prefix', python_prefix], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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while True:
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line = p.stdout.readline()
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if not line:
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break
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line = line.decode('utf8').rstrip('\r\n')
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print(line)
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result = p.wait()
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print('pip install result %s' % result)
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if result:
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raise Exception('non-zero result from pip %s' % result)
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f = open(installed_requirementstxt, 'wb')
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f.write(requirements)
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f.close()
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else:
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print('requirements.txt (up to date)')
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print(str_requirements)
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sys.path.insert(0, zipPath)
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site_packages = os.path.join(python_prefix, 'lib/%s/site-packages' % python)
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sys.path.insert(0, site_packages)
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from scrypted_sdk import sdk_init # type: ignore
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self.systemManager = SystemManager(self.api, self.systemState)
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self.deviceManager = DeviceManager(self.nativeIds, self.systemManager)
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self.mediaManager = await self.api.getMediaManager()
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sdk_init(zip, self, self.systemManager, self.deviceManager, self.mediaManager)
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from main import create_scrypted_plugin # type: ignore
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return create_scrypted_plugin()
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async def setSystemState(self, state):
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self.systemState = state
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async def setNativeId(self, nativeId, id, storage):
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if id:
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ds = DeviceStorage()
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ds.id = id
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ds.storage = storage
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self.nativeIds[nativeId] = ds
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else:
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self.nativeIds.pop(nativeId, None)
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async def updateDeviceState(self, id, state):
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if not state:
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self.systemState.pop(id, None)
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else:
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self.systemState[id] = state
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async def notify(self, id, eventTime, eventInterface, property, value, changed=False):
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if property:
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state = None
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if self.systemState:
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state = self.systemState.get(id, None)
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if not state:
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print('state not found for %s' % id)
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return
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state[property] = value
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# systemManager.events.notify(id, eventTime, eventInterface, property, value.value, changed);
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else:
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# systemManager.events.notify(id, eventTime, eventInterface, property, value, changed);
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pass
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async def ioEvent(self, id, event, message=None):
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pass
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async def createDeviceState(self, id, setState):
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pass
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async def getServicePort(self, name):
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pass
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async def readLoop(loop, peer, reader):
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async for line in reader:
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try:
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message = json.loads(line)
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asyncio.run_coroutine_threadsafe(peer.handleMessage(message), loop)
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except Exception as e:
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print('read loop error', e)
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pass
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async def async_main(loop: AbstractEventLoop):
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reader = await aiofiles.open(3, mode='r')
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def send(message, reject=None):
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jsonString = json.dumps(message)
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try:
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os.write(4, bytes(jsonString + '\n', 'utf8'))
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except Exception as e:
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if reject:
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reject(e)
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peer = rpc.RpcPeer(send)
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peer.nameDeserializerMap['Buffer'] = BufferSerializer()
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peer.constructorSerializerMap[bytes] = 'Buffer'
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peer.constructorSerializerMap[bytearray] = 'Buffer'
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peer.params['print'] = print
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peer.params['getRemote'] = lambda api, pluginId: PluginRemote(
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api, pluginId, loop)
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await readLoop(loop, peer, reader)
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def main():
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loop = asyncio.get_event_loop()
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loop.run_until_complete(async_main(loop))
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loop.close()
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if __name__ == "__main__":
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main()
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