mirror of
https://github.com/koush/scrypted.git
synced 2026-02-06 23:42:19 +00:00
4ab8efdc49
The scrypted web ui looks to be reading from `cpu`:64f696599c/plugins/core/ui/src/components/plugin/PluginStats.vue (L67)and is being published on the nodejs side as `cpu`:227b287f1e/server/src/plugin/plugin-remote-worker.ts (L21)Might need to change this as well?cc43273f34/server/src/plugin/plugin-host.ts (L59)
536 lines
20 KiB
Python
536 lines
20 KiB
Python
from __future__ import annotations
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import asyncio
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import base64
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import gc
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import json
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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 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, List, Optional, Set, Tuple
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import aiofiles
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import scrypted_python.scrypted_sdk.types
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from scrypted_python.scrypted_sdk.types import (Device, DeviceManifest,
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EventDetails,
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ScryptedInterfaceProperty,
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Storage)
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from typing_extensions import TypedDict
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import rpc
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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.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 MediaObjectRemote(scrypted_python.scrypted_sdk.types.MediaObject):
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def __init__(self, data, mimeType, sourceId):
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self.mimeType = mimeType
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self.data = data
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setattr(self, '__proxy_props', {
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'mimeType': mimeType,
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'sourceId': sourceId,
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})
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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 MediaObjectRemote(data, mimeType, options.get('sourceId', None) if options else None)
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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 BufferSerializer(rpc.RpcSerializer):
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def serialize(self, value, serializationContext):
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return base64.b64encode(value).decode('utf8')
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def deserialize(self, value, serializationContext):
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return base64.b64decode(value)
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class SidebandBufferSerializer(rpc.RpcSerializer):
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def serialize(self, value, serializationContext):
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buffers = serializationContext.get('buffers', None)
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if not buffers:
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buffers = []
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serializationContext['buffers'] = buffers
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buffers.append(value)
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return len(buffers) - 1
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def deserialize(self, value, serializationContext):
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buffers: List = serializationContext.get('buffers', None)
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buffer = buffers.pop()
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return buffer
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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, api, pluginId, hostInfo, loop: AbstractEventLoop):
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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=None):
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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(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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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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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 = MediaManager(await self.api.getMediaManager())
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sdk_init(zip, self, self.systemManager,
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self.deviceManager, self.mediaManager)
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try:
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from main import create_scrypted_plugin # type: ignore
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except:
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print('plugin failed to start')
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traceback.print_exc()
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raise
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return await rpc.maybe_await(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.nativeId = nativeId
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ds.storage = storage
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ds.remote = self
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ds.loop = self.loop
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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, eventDetails: EventDetails, value):
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property = eventDetails.get('property')
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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: rpc.RpcPeer, reader):
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deserializationContext = {
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'buffers': []
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}
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while True:
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try:
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lengthBytes = await reader.read(4)
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typeBytes = await reader.read(1)
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type = typeBytes[0]
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length = int.from_bytes(lengthBytes, 'big')
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data = await reader.read(length - 1)
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if type == 1:
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deserializationContext['buffers'].append(data)
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continue
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message = json.loads(data)
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asyncio.run_coroutine_threadsafe(peer.handleMessage(message, deserializationContext), loop)
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deserializationContext = {
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'buffers': []
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}
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except Exception as e:
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print('read loop error', e)
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sys.exit()
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async def async_main(loop: AbstractEventLoop):
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reader = await aiofiles.open(3, mode='rb')
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mutex = threading.Lock()
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def send(message, reject=None, serializationContext = None):
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with mutex:
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if serializationContext:
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buffers = serializationContext.get('buffers', None)
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if buffers:
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for buffer in buffers:
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length = len(buffer) + 1
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lb = length.to_bytes(4, 'big')
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type = 1
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try:
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os.write(4, lb)
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os.write(4, bytes([type]))
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os.write(4, buffer)
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except Exception as e:
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if reject:
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reject(e)
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return
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jsonString = json.dumps(message)
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b = bytes(jsonString, 'utf8')
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length = len(b) + 1
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lb = length.to_bytes(4, 'big')
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type = 0
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try:
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os.write(4, lb)
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os.write(4, bytes([type]))
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os.write(4, b)
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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'] = SidebandBufferSerializer()
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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, hostInfo: PluginRemote(
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api, pluginId, hostInfo, loop)
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async def get_update_stats():
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update_stats = await peer.getParam('updateStats')
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def stats_runner():
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ptime = round(time.process_time() * 1000000)
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try:
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import psutil
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process = psutil.Process(os.getpid())
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|
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)
|
|
|
|
await readLoop(loop, peer, reader)
|
|
|
|
def main():
|
|
loop = asyncio.new_event_loop()
|
|
|
|
def gc_runner():
|
|
gc.collect()
|
|
loop.call_later(10, gc_runner)
|
|
gc_runner()
|
|
|
|
loop.run_until_complete(async_main(loop))
|
|
loop.close()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
try:
|
|
import gi
|
|
gi.require_version('Gst', '1.0')
|
|
from gi.repository import GLib, Gst
|
|
Gst.init(None)
|
|
|
|
worker = threading.Thread(target=main)
|
|
worker.start()
|
|
|
|
loop = GLib.MainLoop()
|
|
loop.run()
|
|
except:
|
|
main()
|