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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,123 @@ | ||
| from enigma import getDesktop | ||
| from enigma import getDesktop, eConsoleAppContainer, eTimer | ||
| from Plugins.Extensions.archivCZSK.compat import eConnectCallback | ||
|
|
||
| import json | ||
|
|
||
| def get_desktop_width_and_height(): | ||
| desktop_size = getDesktop(0).size() | ||
| return (desktop_size.width(), desktop_size.height()) | ||
|
|
||
|
|
||
| class PythonProcess(object): | ||
| def __init__(self, processPath): | ||
| self.toRead = None | ||
| self.pPayload = None | ||
| self.data = "" | ||
| self.__stopping = False | ||
| self.processPath = processPath | ||
| self.appContainer = eConsoleAppContainer() | ||
| self.stdoutAvail_conn = eConnectCallback(self.appContainer.stdoutAvail, self.dataOutCB) | ||
| self.stderrAvail_conn = eConnectCallback(self.appContainer.stderrAvail, self.dataErrCB) | ||
| self.appContainer_conn = eConnectCallback(self.appContainer.appClosed, self.finishedCB) | ||
|
|
||
| def recieveMessages(self, data): | ||
| def getMessage(data): | ||
| mSize = int(data[:7]) | ||
| mPayload = data[7:mSize] | ||
| mPart = mSize > len(data) | ||
| return mSize, mPayload, mPart | ||
|
|
||
| def readMessage(payload): | ||
| try: | ||
| message = json.loads(payload) | ||
| except EOFError: | ||
| pass | ||
| except Exception: | ||
| pass | ||
| else: | ||
| self.toRead = None | ||
| self.pPayload = None | ||
| self.handleMessage(message) | ||
|
|
||
| def readStart(data): | ||
| mSize, mPayload, mPart = getMessage(data) | ||
| if not mPart: | ||
| data = data[mSize:] | ||
| readMessage(mPayload) | ||
| if len(data) > 0: | ||
| readStart(data) | ||
| else: | ||
| self.toRead = mSize - len(data) | ||
| self.pPayload = mPayload | ||
|
|
||
| def readContinue(data): | ||
| nextdata = data[:self.toRead] | ||
| self.pPayload += nextdata | ||
| data = data[len(nextdata):] | ||
| self.toRead -= len(nextdata) | ||
| if self.toRead == 0: | ||
| readMessage(self.pPayload) | ||
| if len(data) > 0: | ||
| readStart(data) | ||
|
|
||
| if self.pPayload is not None: | ||
| readContinue(data) | ||
| else: | ||
| readStart(data) | ||
|
|
||
| def handleMessage(self, data): | ||
| self.callbacks['messageCB'](data) | ||
|
|
||
| def start(self, callbacks): | ||
| self.callbacks = callbacks | ||
| cmd = "python %s" % self.processPath | ||
| self.appContainer.execute(cmd) | ||
|
|
||
| def running(self): | ||
| return self.appContainer.running() | ||
|
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||
| def stop(self): | ||
| def check_stopped(): | ||
| if not self.appContainer.running(): | ||
| self.stopTimer.stop() | ||
| del self.stopTimer_conn | ||
| del self.stopTimer | ||
| del self.__i | ||
| return | ||
| if self.__i == 0: | ||
| self.__i += 1 | ||
| self.appContainer.kill() | ||
| elif self.__i == 1: | ||
| self.stopTimer.stop() | ||
| del self.stopTimer_conn | ||
| del self.stopTimer | ||
| raise Exception("cannot kill process") | ||
|
|
||
| if self.__stopping: | ||
| return | ||
| self.__stopping = True | ||
| self.__i = 0 | ||
|
|
||
| if self.appContainer.running(): | ||
| self.appContainer.sendCtrlC() | ||
| self.stopTimer = eTimer() | ||
| self.stopTimer_conn = eConnectCallback(self.stopTimer.timeout, check_stopped) | ||
| self.stopTimer.start(2000, False) | ||
|
|
||
| def write(self, data): | ||
| dump = json.dumps(data) | ||
| dump = "%07d%s" % (len(dump), dump) | ||
| try: | ||
| self.appContainer.write(dump) | ||
| # DMM image | ||
| except TypeError: | ||
| self.appContainer.write(dump, len(dump)) | ||
|
|
||
| def dataErrCB(self, data): | ||
| self.error = data | ||
|
|
||
| def dataOutCB(self, data): | ||
| self.recieveMessages(data) | ||
|
|
||
| def finishedCB(self, retval): | ||
| self.callbacks['finishedCB'](retval) |
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