mirror of
https://github.com/koush/scrypted.git
synced 2026-02-05 23:22:13 +00:00
670 lines
26 KiB
Python
670 lines
26 KiB
Python
from __future__ import annotations
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import asyncio
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import gc
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import sys
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import os
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import platform
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import shutil
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import subprocess
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import threading
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import concurrent.futures
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import time
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import traceback
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import zipfile
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from asyncio.events import AbstractEventLoop
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from asyncio.futures import Future
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from asyncio.streams import StreamReader, StreamWriter
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from collections.abc import Mapping
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from io import StringIO
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from os import sys
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from typing import Any, Optional, Set, Tuple
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import scrypted_python.scrypted_sdk.types
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from scrypted_python.scrypted_sdk import ScryptedStatic, PluginFork
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from scrypted_python.scrypted_sdk.types import Device, DeviceManifest, EventDetails, ScryptedInterfaceProperty, Storage
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from typing_extensions import TypedDict
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import rpc
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import rpc_reader
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import multiprocessing
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import multiprocessing.connection
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import hashlib
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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 StreamPipeReader:
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def __init__(self, conn: multiprocessing.connection.Connection) -> None:
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self.conn = conn
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self.executor = concurrent.futures.ThreadPoolExecutor()
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def readBlocking(self, n):
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b = bytes(0)
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while len(b) < n:
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self.conn.poll()
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add = os.read(self.conn.fileno(), n - len(b))
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if not len(add):
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raise Exception('unable to read requested bytes')
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b += add
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return b
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async def read(self, n):
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return await asyncio.get_event_loop().run_in_executor(self.executor, lambda: self.readBlocking(n))
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class SystemManager(scrypted_python.scrypted_sdk.types.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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async def getComponent(self, id: str) -> Any:
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return await self.api.getComponent(id)
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class MediaObject(scrypted_python.scrypted_sdk.types.MediaObject):
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def __init__(self, data, mimeType, options):
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self.data = data
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proxyProps = {}
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setattr(self, rpc.RpcPeer.PROPERTY_PROXY_PROPERTIES, proxyProps)
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options = options or {}
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options['mimeType'] = mimeType
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for key, value in options.items():
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if rpc.RpcPeer.isTransportSafe(value):
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proxyProps[key] = value
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setattr(self, key, value)
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async def getData(self):
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return self.data
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class MediaManager:
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def __init__(self, mediaManager: scrypted_python.scrypted_sdk.types.MediaManager):
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self.mediaManager = mediaManager
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async def addConverter(self, converter: scrypted_python.scrypted_sdk.types.BufferConverter) -> None:
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return await self.mediaManager.addConverter(converter)
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async def clearConverters(self) -> None:
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return await self.mediaManager.clearConverters()
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async def convertMediaObject(self, mediaObject: scrypted_python.scrypted_sdk.types.MediaObject, toMimeType: str) -> Any:
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return await self.mediaManager.convertMediaObject(mediaObject, toMimeType)
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async def convertMediaObjectToBuffer(self, mediaObject: scrypted_python.scrypted_sdk.types.MediaObject, toMimeType: str) -> bytearray:
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return await self.mediaManager.convertMediaObjectToBuffer(mediaObject, toMimeType)
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async def convertMediaObjectToInsecureLocalUrl(self, mediaObject: str | scrypted_python.scrypted_sdk.types.MediaObject, toMimeType: str) -> str:
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return await self.mediaManager.convertMediaObjectToInsecureLocalUrl(mediaObject, toMimeType)
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async def convertMediaObjectToJSON(self, mediaObject: scrypted_python.scrypted_sdk.types.MediaObject, toMimeType: str) -> Any:
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return await self.mediaManager.convertMediaObjectToJSON(mediaObject, toMimeType)
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async def convertMediaObjectToLocalUrl(self, mediaObject: str | scrypted_python.scrypted_sdk.types.MediaObject, toMimeType: str) -> str:
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return await self.mediaManager.convertMediaObjectToLocalUrl(mediaObject, toMimeType)
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async def convertMediaObjectToUrl(self, mediaObject: str | scrypted_python.scrypted_sdk.types.MediaObject, toMimeType: str) -> str:
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return await self.mediaManager.convertMediaObjectToUrl(mediaObject, toMimeType)
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async def createFFmpegMediaObject(self, ffmpegInput: scrypted_python.scrypted_sdk.types.FFmpegInput, options: scrypted_python.scrypted_sdk.types.MediaObjectOptions = None) -> scrypted_python.scrypted_sdk.types.MediaObject:
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return await self.mediaManager.createFFmpegMediaObject(ffmpegInput, options)
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async def createMediaObject(self, data: Any, mimeType: str, options: scrypted_python.scrypted_sdk.types.MediaObjectOptions = None) -> scrypted_python.scrypted_sdk.types.MediaObject:
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# return await self.createMediaObject(data, mimetypes, options)
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return MediaObject(data, mimeType, options)
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async def createMediaObjectFromUrl(self, data: str, options: scrypted_python.scrypted_sdk.types.MediaObjectOptions = None) -> scrypted_python.scrypted_sdk.types.MediaObject:
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return await self.mediaManager.createMediaObjectFromUrl(data, options)
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async def getFFmpegPath(self) -> str:
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return await self.mediaManager.getFFmpegPath()
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async def getFilesPath(self) -> str:
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return await self.mediaManager.getFilesPath()
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class DeviceState(scrypted_python.scrypted_sdk.types.DeviceState):
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def __init__(self, id: str, nativeId: str, systemManager: SystemManager, deviceManager: scrypted_python.scrypted_sdk.types.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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if property == ScryptedInterfaceProperty.id.value:
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return self._id
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deviceState = self.systemManager.systemState.get(self._id, None)
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if not deviceState:
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print("missing id %s" % self._id)
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return None
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sdd = deviceState.get(property, None)
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if not sdd:
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return None
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return sdd.get('value', 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(
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"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(Storage):
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id: str
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nativeId: str
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storage: Mapping[str, str]
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remote: PluginRemote
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loop: AbstractEventLoop
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def update_storage(self):
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self.remote.api.setStorage(self.nativeId, self.storage)
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def getItem(self, key: str) -> str:
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return self.storage.get(key, None)
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def setItem(self, key: str, value: str):
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self.storage[key] = value
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self.update_storage()
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def removeItem(self, key: str):
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self.storage.pop(key, None)
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self.update_storage()
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def getKeys(self) -> Set[str]:
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return self.storage.keys()
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def clear(self):
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self.storage = {}
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self.update_storage()
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class DeviceManager(scrypted_python.scrypted_sdk.types.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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async def onDeviceDiscovered(self, devices: Device) -> str:
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return await self.systemManager.api.onDeviceDiscovered(devices)
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async def onDeviceRemoved(self, nativeId: str) -> None:
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return await self.systemManager.api.onDeviceRemoved(nativeId)
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async def onMixinEvent(self, id: str, mixinDevice: Any, eventInterface: str, eventData: Any) -> None:
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return await self.systemManager.api.onMixinEvent(id, mixinDevice, eventInterface, eventData)
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async def requestRestart(self) -> None:
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return await self.systemManager.api.requestRestart()
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def getDeviceStorage(self, nativeId: str = None) -> Storage:
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return self.nativeIds.get(nativeId, None)
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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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hostInfo: Any
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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, peer: rpc.RpcPeer, api, pluginId, hostInfo, loop: AbstractEventLoop):
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self.peer = peer
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self.api = api
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self.pluginId = pluginId
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self.hostInfo = hostInfo
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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(
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nativeId, *values, sep=sep, end=end, flush=flush), self.loop)
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async def loadZip(self, packageJson, zipData, options: dict=None):
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sdk = ScryptedStatic()
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clusterId = options['clusterId']
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clusterSecret = options['clusterSecret']
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async def handleClusterClient(reader: asyncio.StreamReader, writer: asyncio.StreamWriter):
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peer: rpc.RpcPeer
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peer, peerReadLoop = await rpc_reader.prepare_peer_readloop(self.loop, reader = reader, writer = writer)
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async def connectRPCObject(id: str, secret: str):
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m = hashlib.sha256()
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m.update(bytes('%s%s' % (clusterPort, clusterSecret), 'utf8'))
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portSecret = m.hexdigest()
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if secret != portSecret:
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raise Exception('secret incorrect')
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return self.peer.localProxyMap.get(id, None)
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peer.params['connectRPCObject'] = connectRPCObject
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try:
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await peerReadLoop()
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except:
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writer.close()
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clusterRpcServer = await asyncio.start_server(handleClusterClient, '127.0.0.1', 0)
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clusterPort = clusterRpcServer.sockets[0].getsockname()[1]
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clusterPeers: Mapping[int, asyncio.Future[rpc.RpcPeer]] = {}
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async def connectRPCObject(value):
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clusterObject = getattr(value, '__cluster')
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if not clusterObject:
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return value
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if clusterObject.get('id', None) != clusterId:
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return value
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port = clusterObject['port']
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proxyId = clusterObject['proxyId']
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clusterPeerPromise = clusterPeers.get(port)
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if not clusterPeerPromise:
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async def connectClusterPeer():
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reader, writer = await asyncio.open_connection(
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'127.0.0.1', port)
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peer, peerReadLoop = await rpc_reader.prepare_peer_readloop(self.loop, reader = reader, writer = writer)
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async def run_loop():
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try:
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await peerReadLoop()
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except:
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pass
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finally:
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clusterPeers.pop(port)
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asyncio.run_coroutine_threadsafe(run_loop(), self.loop)
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return peer
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clusterPeerPromise = self.loop.create_task(connectClusterPeer())
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clusterPeers[port] = clusterPeerPromise
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try:
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clusterPeer = await clusterPeerPromise
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c = await clusterPeer.getParam('connectRPCObject')
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m = hashlib.sha256()
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m.update(bytes('%s%s' % (port, clusterSecret), 'utf8'))
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portSecret = m.hexdigest()
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newValue = await c(proxyId, portSecret)
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if not newValue:
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raise Exception('ipc object not found?')
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return newValue
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except Exception as e:
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return value
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sdk.connectRPCObject = connectRPCObject
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def onProxySerialization(value: Any, proxyId: str):
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properties: dict = rpc.RpcPeer.prepareProxyProperties(value) or {}
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properties['__cluster'] = {
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'id': clusterId,
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'proxyId': proxyId,
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'port': clusterPort,
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}
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return properties
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self.peer.onProxySerialization = onProxySerialization
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forkMain = options and options.get('fork')
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if not forkMain:
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multiprocessing.set_start_method('spawn')
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zipPath: str
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if isinstance(zipData, str):
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zipPath = (options and options.get('filename', None)) or zipData
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if zipPath != zipData:
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shutil.copyfile(zipData, zipPath)
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else:
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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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zipData = None
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zip = zipfile.ZipFile(zipPath)
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plugin_volume = os.environ.get('SCRYPTED_PLUGIN_VOLUME')
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python_version = 'python%s' % str(
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sys.version_info[0])+"."+str(sys.version_info[1])
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print('python version:', python_version)
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python_prefix = os.path.join(
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plugin_volume, '%s-%s-%s' % (python_version, platform.system(), platform.machine()))
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if not os.path.exists(python_prefix):
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os.makedirs(python_prefix)
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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(
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python_prefix, 'requirements.installed.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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shutil.rmtree(python_prefix)
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os.makedirs(python_prefix)
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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([sys.executable, '-m', 'pip', 'install', '-r', requirementstxt,
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'--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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if platform.system() != 'Windows':
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site_packages = os.path.join(
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python_prefix, 'lib', python_version, 'site-packages')
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else:
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site_packages = os.path.join(
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python_prefix, 'Lib', 'site-packages')
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print('site-packages: %s' % site_packages)
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sys.path.insert(0, site_packages)
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else:
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zip = zipfile.ZipFile(options['filename'])
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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 = MediaManager(await self.api.getMediaManager())
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try:
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from scrypted_sdk import sdk_init2 # type: ignore
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sdk.systemManager = self.systemManager
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sdk.deviceManager = self.deviceManager
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sdk.mediaManager = self.mediaManager
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sdk.remote = self
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sdk.api = self.api
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sdk.zip = zip
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def host_fork() -> PluginFork:
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parent_conn, child_conn = multiprocessing.Pipe()
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pluginFork = PluginFork()
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print('new fork')
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pluginFork.worker = multiprocessing.Process(target=plugin_fork, args=(child_conn,), daemon=True)
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pluginFork.worker.start()
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def schedule_exit_check():
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def exit_check():
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if pluginFork.worker.exitcode != None:
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pluginFork.worker.join()
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else:
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schedule_exit_check()
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self.loop.call_later(2, exit_check)
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schedule_exit_check()
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async def getFork():
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reader = StreamPipeReader(parent_conn)
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forkPeer, readLoop = await rpc_reader.prepare_peer_readloop(self.loop, reader = reader, writeFd = parent_conn.fileno())
|
|
forkPeer.peerName = 'thread'
|
|
async def forkReadLoop():
|
|
try:
|
|
await readLoop()
|
|
except:
|
|
# traceback.print_exc()
|
|
print('fork read loop exited')
|
|
finally:
|
|
parent_conn.close()
|
|
reader.executor.shutdown()
|
|
asyncio.run_coroutine_threadsafe(forkReadLoop(), loop=self.loop)
|
|
getRemote = await forkPeer.getParam('getRemote')
|
|
remote: PluginRemote = await getRemote(self.api, self.pluginId, self.hostInfo)
|
|
await remote.setSystemState(self.systemManager.getSystemState())
|
|
for nativeId, ds in self.nativeIds.items():
|
|
await remote.setNativeId(nativeId, ds.id, ds.storage)
|
|
forkOptions = (options or {}).copy()
|
|
forkOptions['fork'] = True
|
|
forkOptions['filename'] = zipPath
|
|
return await remote.loadZip(packageJson, zipData, forkOptions)
|
|
|
|
pluginFork.result = asyncio.create_task(getFork())
|
|
return pluginFork
|
|
|
|
sdk.fork = host_fork
|
|
# sdk.
|
|
|
|
sdk_init2(sdk)
|
|
except:
|
|
from scrypted_sdk import sdk_init # type: ignore
|
|
sdk_init(zip, self, self.systemManager,
|
|
self.deviceManager, self.mediaManager)
|
|
|
|
if not forkMain:
|
|
try:
|
|
from main import create_scrypted_plugin # type: ignore
|
|
except:
|
|
print('plugin failed to start')
|
|
traceback.print_exc()
|
|
raise
|
|
return await rpc.maybe_await(create_scrypted_plugin())
|
|
|
|
try:
|
|
from main import fork # type: ignore
|
|
except:
|
|
print('fork failed to start')
|
|
traceback.print_exc()
|
|
raise
|
|
forked = await rpc.maybe_await(fork())
|
|
if type(forked) == dict:
|
|
forked[rpc.RpcPeer.PROPERTY_JSON_COPY_SERIALIZE_CHILDREN] = True
|
|
return forked
|
|
|
|
async def setSystemState(self, state):
|
|
self.systemState = state
|
|
|
|
async def setNativeId(self, nativeId, id, storage):
|
|
if id:
|
|
ds = DeviceStorage()
|
|
ds.id = id
|
|
ds.nativeId = nativeId
|
|
ds.storage = storage
|
|
ds.remote = self
|
|
ds.loop = self.loop
|
|
self.nativeIds[nativeId] = ds
|
|
else:
|
|
self.nativeIds.pop(nativeId, None)
|
|
|
|
async def updateDeviceState(self, id, state):
|
|
if not state:
|
|
self.systemState.pop(id, None)
|
|
else:
|
|
self.systemState[id] = state
|
|
|
|
async def notify(self, id, eventDetails: EventDetails, value):
|
|
property = eventDetails.get('property')
|
|
if property:
|
|
state = None
|
|
if self.systemState:
|
|
state = self.systemState.get(id, None)
|
|
if not state:
|
|
print('state not found for %s' % id)
|
|
return
|
|
state[property] = value
|
|
# systemManager.events.notify(id, eventTime, eventInterface, property, value.value, changed);
|
|
else:
|
|
# systemManager.events.notify(id, eventTime, eventInterface, property, value, changed);
|
|
pass
|
|
|
|
async def ioEvent(self, id, event, message=None):
|
|
pass
|
|
|
|
async def createDeviceState(self, id, setState):
|
|
pass
|
|
|
|
async def getServicePort(self, name):
|
|
pass
|
|
|
|
async def plugin_async_main(loop: AbstractEventLoop, readFd: int = None, writeFd: int = None, reader: asyncio.StreamReader = None, writer: asyncio.StreamWriter = None):
|
|
peer, readLoop = await rpc_reader.prepare_peer_readloop(loop, readFd=readFd, writeFd=writeFd, reader=reader, writer=writer)
|
|
peer.params['print'] = print
|
|
peer.params['getRemote'] = lambda api, pluginId, hostInfo: PluginRemote(peer, api, pluginId, hostInfo, loop)
|
|
|
|
async def get_update_stats():
|
|
update_stats = await peer.getParam('updateStats')
|
|
if not update_stats:
|
|
return
|
|
|
|
def stats_runner():
|
|
ptime = round(time.process_time() * 1000000)
|
|
try:
|
|
import psutil
|
|
process = psutil.Process(os.getpid())
|
|
heapTotal = process.memory_info().rss
|
|
except:
|
|
try:
|
|
import resource
|
|
heapTotal = resource.getrusage(
|
|
resource.RUSAGE_SELF).ru_maxrss
|
|
except:
|
|
heapTotal = 0
|
|
stats = {
|
|
'type': 'stats',
|
|
'cpu': {
|
|
'user': ptime,
|
|
'system': 0,
|
|
},
|
|
'memoryUsage': {
|
|
'heapTotal': heapTotal,
|
|
},
|
|
}
|
|
asyncio.run_coroutine_threadsafe(update_stats(stats), loop)
|
|
loop.call_later(10, stats_runner)
|
|
|
|
stats_runner()
|
|
|
|
asyncio.run_coroutine_threadsafe(get_update_stats(), loop)
|
|
|
|
try:
|
|
await readLoop()
|
|
finally:
|
|
if reader and hasattr(reader, 'executor'):
|
|
r: StreamPipeReader = reader
|
|
r.executor.shutdown()
|
|
|
|
def main(readFd: int = None, writeFd: int = None, reader: asyncio.StreamReader = None, writer: asyncio.StreamWriter = None):
|
|
loop = asyncio.new_event_loop()
|
|
|
|
def gc_runner():
|
|
gc.collect()
|
|
loop.call_later(10, gc_runner)
|
|
gc_runner()
|
|
|
|
loop.run_until_complete(plugin_async_main(loop, readFd=readFd, writeFd=writeFd, reader=reader, writer=writer))
|
|
loop.close()
|
|
|
|
def plugin_main(readFd: int = None, writeFd: int = None, reader: asyncio.StreamReader = None, writer: asyncio.StreamWriter = None):
|
|
try:
|
|
import gi
|
|
gi.require_version('Gst', '1.0')
|
|
from gi.repository import GLib, Gst
|
|
Gst.init(None)
|
|
|
|
loop = GLib.MainLoop()
|
|
|
|
worker = threading.Thread(target=main, args=(readFd, writeFd, reader, writer), name="asyncio-main")
|
|
worker.start()
|
|
|
|
loop.run()
|
|
except:
|
|
main(readFd=readFd, writeFd=writeFd, reader=reader, writer=writer)
|
|
|
|
|
|
def plugin_fork(conn: multiprocessing.connection.Connection):
|
|
fd = os.dup(conn.fileno())
|
|
reader = StreamPipeReader(conn)
|
|
plugin_main(reader=reader, writeFd=fd)
|
|
|
|
if __name__ == "__main__":
|
|
plugin_main(3, 4)
|