complete VCSU support
This commit is contained in:
Chrys
@ -23,6 +23,7 @@ from struct import unpack_from, unpack, pack
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from fenrirscreenreader.core import debug
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from fenrirscreenreader.core.eventData import fenrirEventType
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from fenrirscreenreader.core.screenDriver import screenDriver
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from fenrirscreenreader.utils import screen_utils
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class driver(screenDriver):
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def __init__(self):
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@ -47,7 +48,7 @@ class driver(screenDriver):
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'default', # fontsize
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'default' # fontfamily
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]) #end attribute )
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self.env['runtime']['processManager'].addCustomEventThread(self.updateWatchdog, multiprocess=True)
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self.env['runtime']['processManager'].addCustomEventThread(self.updateWatchdog, multiprocess=True)
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def getCurrScreen(self):
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self.env['screen']['oldTTY'] = self.env['screen']['newTTY']
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try:
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@ -55,7 +56,7 @@ class driver(screenDriver):
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self.env['screen']['newTTY'] = str(currScreenFile.read()[3:-1])
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currScreenFile.close()
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except Exception as e:
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self.env['runtime']['debug'].writeDebugOut(str(e),debug.debugLevel.ERROR)
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self.env['runtime']['debug'].writeDebugOut(str(e),debug.debugLevel.ERROR)
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def injectTextToScreen(self, text, screen = None):
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useScreen = "/dev/tty" + self.env['screen']['newTTY']
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if screen != None:
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@ -63,12 +64,12 @@ class driver(screenDriver):
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with open(useScreen, 'w') as fd:
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for c in text:
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fcntl.ioctl(fd, termios.TIOCSTI, c)
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def getSessionInformation(self):
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self.env['screen']['autoIgnoreScreens'] = []
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self.env['screen']['autoIgnoreScreens'] = []
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try:
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if not self.sysBus:
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self.sysBus = dbus.SystemBus()
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self.sysBus = dbus.SystemBus()
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obj = self.sysBus.get_object('org.freedesktop.login1', '/org/freedesktop/login1')
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inf = dbus.Interface(obj, 'org.freedesktop.login1.Manager')
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self.ListSessions = inf.get_dbus_method('ListSessions')
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@ -83,16 +84,16 @@ class driver(screenDriver):
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screen = str(inf.Get('org.freedesktop.login1.Session', 'TTY'))
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screen = screen[screen.upper().find('TTY') + 3:]
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if screen == '':
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self.env['runtime']['debug'].writeDebugOut('No TTY found for session:' + session[4],debug.debugLevel.ERROR)
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self.env['runtime']['debug'].writeDebugOut('No TTY found for session:' + session[4],debug.debugLevel.ERROR)
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return
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if sessionType.upper() != 'TTY':
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self.env['screen']['autoIgnoreScreens'] += [screen]
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if screen == self.env['screen']['newTTY'] :
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if self.env['general']['currUser'] != session[2]:
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self.env['general']['prevUser'] = self.env['general']['currUser']
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self.env['general']['currUser'] = session[2]
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self.env['general']['currUser'] = session[2]
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except Exception as e:
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self.env['runtime']['debug'].writeDebugOut('getSessionInformation: Maybe no LoginD:' + str(e),debug.debugLevel.ERROR)
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self.env['runtime']['debug'].writeDebugOut('getSessionInformation: Maybe no LoginD:' + str(e),debug.debugLevel.ERROR)
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#self.env['runtime']['debug'].writeDebugOut('getSessionInformation:' + str(self.env['screen']['autoIgnoreScreens']) + ' ' + str(self.env['general']) ,debug.debugLevel.INFO)
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def updateWatchdog(self,active , eventQueue):
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@ -106,7 +107,7 @@ class driver(screenDriver):
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index = vcsaDev[9:]
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vcsa[str(index)] = open(vcsaDev,'rb')
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if useVCSU:
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vcsuDevices = glob.glob('/dev/vcsu*')
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vcsuDevices = glob.glob('/dev/vcsu*')
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for vcsuDev in vcsuDevices:
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index = vcsuDev[9:]
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vcsu[str(index)] = open(vcsuDev,'rb')
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@ -123,43 +124,48 @@ class driver(screenDriver):
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fileno = change[0]
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event = change[1]
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if fileno == tty.fileno():
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self.env['runtime']['debug'].writeDebugOut('ScreenChange',debug.debugLevel.INFO)
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self.env['runtime']['debug'].writeDebugOut('ScreenChange',debug.debugLevel.INFO)
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tty.seek(0)
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currScreen = str(tty.read()[3:-1])
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currScreen = str(tty.read()[3:-1])
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if currScreen != oldScreen:
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try:
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watchdog.unregister(vcsa[ oldScreen ])
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watchdog.unregister(vcsa[oldScreen])
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except:
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pass
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try:
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watchdog.register(vcsa[ currScreen ], select.POLLPRI | select.POLLERR)
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watchdog.register(vcsa[currScreen], select.POLLPRI | select.POLLERR)
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except:
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pass
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self.updateCharMap(currScreen)
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self.updateCharMap(currScreen)
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oldScreen = currScreen
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try:
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vcsa[currScreen].seek(0)
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vcsa[currScreen].seek(0)
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lastScreenContent = vcsa[currScreen].read()
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except:
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pass
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pass
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vcsuContent = None
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if useVCSU:
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vcsu[currScreen].seek(0)
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vcsuContent = vcsu[currScreen].read()
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eventQueue.put({"Type":fenrirEventType.ScreenChanged,
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"Data":self.createScreenEventData(currScreen,lastScreenContent)
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"Data":self.createScreenEventData(currScreen, lastScreenContent, vcsuContent)
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})
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else:
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self.env['runtime']['debug'].writeDebugOut('ScreenUpdate',debug.debugLevel.INFO)
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vcsa[currScreen].seek(0)
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self.env['runtime']['debug'].writeDebugOut('ScreenUpdate',debug.debugLevel.INFO)
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vcsa[currScreen].seek(0)
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dirtyContent = vcsa[currScreen].read()
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screenContent = b''
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vcsuContent = None
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vcsuContent = None
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timeout = time.time()
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while screenContent != dirtyContent:
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screenContent = dirtyContent
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if time.time() - timeout >= 0.4:
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break
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time.sleep(0.02)
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vcsa[currScreen].seek(0)
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vcsa[currScreen].seek(0)
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dirtyContent = vcsa[currScreen].read()
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if useVCSU:
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vcsu[currScreen].seek(0)
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vcsuContent = vcsu[currScreen].read()
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eventQueue.put({"Type":fenrirEventType.ScreenUpdate,
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"Data":self.createScreenEventData(currScreen, screenContent, vcsuContent)
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@ -167,7 +173,6 @@ class driver(screenDriver):
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except Exception as e:
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self.env['runtime']['debug'].writeDebugOut('VCSA:updateWatchdog:' + str(e),debug.debugLevel.ERROR)
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time.sleep(0.2)
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def createScreenEventData(self, screen, vcsaContent, vcsuContent = None):
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eventData = {
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@ -179,14 +184,14 @@ class driver(screenDriver):
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'x': int( vcsaContent[2]),
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'y': int( vcsaContent[3])
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},
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'screen': screen,
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'screenUpdateTime': time.time(),
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'screen': screen,
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'screenUpdateTime': time.time(),
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}
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eventData['text'], eventData['attributes'] =\
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self.autoDecodeVCSA(vcsaContent[4:], eventData['lines'], eventData['columns'])
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#if vcsuContent != None:
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# eventData['text'] = vcsuContent.decode('UTF-32')
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return eventData.copy()
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if vcsuContent != None:
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eventData['text'] = screen_utils.insertNewlines(vcsuContent.decode('UTF-32', 'replace'), eventData['columns'])
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return eventData.copy()
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def updateCharMap(self, screen):
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self.charmap = {}
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try:
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@ -226,7 +231,7 @@ class driver(screenDriver):
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lineAttrib = []
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for x in range(cols):
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data = allData[i: i + 2]
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i += 2
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i += 2
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if data == b' \x07':
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#attr = 7
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#ink = 7
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@ -266,7 +271,7 @@ class driver(screenDriver):
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if sh & self.hichar:
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ch |= 0x100
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try:
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lineText += self.charmap[ch]
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lineText += self.charmap[ch]
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except KeyError:
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lineText += '?'
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charAttrib = [
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@ -293,7 +298,7 @@ class driver(screenDriver):
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currScreen = self.env['screen']['newTTY']
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apps = subprocess.Popen('ps -t tty' + currScreen + ' -o comm,tty,stat', shell=True, stdout=subprocess.PIPE).stdout.read().decode()[:-1].split('\n')
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except Exception as e:
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self.env['runtime']['debug'].writeDebugOut(str(e),debug.debugLevel.ERROR)
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self.env['runtime']['debug'].writeDebugOut(str(e),debug.debugLevel.ERROR)
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return
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try:
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for i in apps:
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@ -308,8 +313,7 @@ class driver(screenDriver):
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not "PS" == i[0]:
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if "TTY"+currScreen in i[1]:
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if self.env['screen']['newApplication'] != i[0]:
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self.env['screen']['newApplication'] = i[0]
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self.env['screen']['newApplication'] = i[0]
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return
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except Exception as e:
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self.env['runtime']['debug'].writeDebugOut(str(e),debug.debugLevel.ERROR)
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