class MainWorker(QObject):
kill_all = Signal()
max_grid_size = 50
max_grid_cnt = 5
config = None # element configuration
updateLogdate = Signal(object) # update displayed date string in stdin_reader
updateConfig = Signal(object) # update configuration in execution operator
startExec = Signal(object) # element-Id
stopExec = Signal(object) # element-Id
saveConfig = Signal(object) # configuration
sysCommand = Signal(object) # Optional: Element Constructor / Destructor
frontendCtrl = Signal(object)
queryStates = Signal() # Query the running states of elements
startAll = Signal(object) # Start all elements: (config)
stopAll = Signal() # Stop all elements
killAll = Signal() # Kill all running processes
def __init__(self, app):
super(MainWorker, self).__init__()
self.app = app
# Setup command line arguments
parser = argparse.ArgumentParser(description='Pythonic background daemon')
# Debug output switch
parser.add_argument('-Ex', action='store_true', help='Interactive shell interface, Unix only')
# Log level
parser.add_argument('-v', action='store_true', help='Verbose output')
self.args = parser.parse_args()
# Set Log Level
if self.args.v:
log_level = logging.DEBUG
else:
log_level = logging.INFO
# Instantiate the LogFileHandler
self.logFileHandler = LogFileHandler(log_level)
# Select multiprocessing spawn method
mp.set_start_method('spawn')
# Set working directory
os.chdir(Path(__file__).parent.absolute())
# Setup format
locale.setlocale(locale.LC_TIME, '')
# Instantiate WSGI Server
self.wsgi_server = WSGI_Server(self)
# Instantiate Execution Operator
self.operator = Operator()
self.operator.command.connect(self.forwardCmd)
self.startExec.connect(self.operator.startExec)
self.stopExec.connect(self.operator.stopExec)
self.updateConfig.connect(self.operator.updateConfig)
self.queryStates.connect(self.operator.getElementStates)
self.startAll.connect(self.operator.startAll)
self.stopAll.connect(self.operator.stopAll)
self.killAll.connect(self.operator.killAll)
# Instantiate Standard Input Reader (Unix only)
if self.args.Ex:
try:
from stdin_reader import stdinReader
except ImportError:
from Pythonic.stdin_reader import stdinReader
self.stdinReader = stdinReader(self.operator.processHandles.items(), self.logFileHandler.log_date_str)
self.stdinReader.quit_app.connect(self.exitApp)
# Connect the logger
if self.args.Ex:
self.logFileHandler.updateLogdate.connect(self.stdinReader.updateLogDate)
# Instantiate ToolboxLoader
self.toolbox_loader = ToolboxLoader()
self.toolbox_loader.tooldataLoaded.connect(self.forwardCmd)
# Instantiate (Element)-EditorLoader
self.editor_loader = EditorLoader()
self.editor_loader.editorLoaded.connect(self.forwardCmd)
# Instantiate ConfigWriter
self.config_writer = ConfigWriter()
self.config_writer.configSaved.connect(self.forwardCmd)
self.saveConfig.connect(self.config_writer.saveConfig)
# Instantiate ConfigLoader
self.config_loader = ConfigLoader()
self.config_loader.configLoaded.connect(self.configLoaded)
# Instantiate System Command Executor
self.exec_sys_cmd = ExecSysCMD()
self.sysCommand.connect(self.exec_sys_cmd.execCommand)
def exitApp(self):
print('# Stopping all processes....')
self.kill_all.emit()
time.sleep(3) # wait for 1 seconds to kill all processes
self.app.quit()
os.kill(self.app.applicationPid(), signal.SIGTERM) # kill all related threads
def start(self, args):
reset_screen()
if self.args.Ex:
reset_screen_dbg()
self.stdinReader.start() # call run() method in separate thread
self.config = self.config_loader.loadConfigSync()
self.wsgi_server.start()
self.operator.start(self.config)
def loadTools(self): # Multithreaded
logging.debug('MainWorker::loadTools() called')
self.toolbox_loader.start()
def loadEditorConfig(self, address, typeName): # Multithreaded
logging.debug('MainWorker::loadEditorConfig() called')
self.editor_loader.startLoad(address, typeName)
def forwardCmd(self, cmd):
#logging.debug('MainWorker::forwardCmd() called')
self.frontendCtrl.emit(cmd)
def loadConfig(self): # Multithreaded
logging.debug('MainWorker::loadConfig() called')
self.config_loader.start()
def configLoaded(self, config):
self.config = config
address = { 'target' : 'MainWindow'}
cmd = { 'cmd' : 'CurrentConfig',
'address' : address,
'data' : config }
self.frontendCtrl.emit(cmd)
def checkArgs(self, args):
b_file_found = False
grid_file = None
for argument in args:
if argument[0] == '-' or argument[0] == '--':
print('Option found: {}'.format(argument))
else:
if not b_file_found:
b_file_found = True
grid_file = argument
return grid_file
class MainWorker(QObject):
kill_all = Signal()
log_level = logging.INFO
formatter = logging.Formatter(
fmt='%(asctime)s - %(levelname)s - %(message)s', datefmt='%H:%M:%S')
max_grid_size = 50
max_grid_cnt = 5
config = None # element configuration
update_logdate = Signal(
object) # update displayed date string in stdin_reader
startExec = Signal(object, object) # element-Id, configuration
stopExec = Signal(object) # element-Id
saveConfig = Signal(object) # configuration
sysCommand = Signal(object) # Optional: Element Constructor / Destructor
frontendCtrl = Signal(object)
queryStates = Signal() # Query the running states of elements
startAll = Signal(object) # Start all elements: (config)
stopAll = Signal() # Stop all elements
killAll = Signal() # Kill all running processes
def __init__(self, app):
super(MainWorker, self).__init__()
self.app = app
# Setup command line arguments
parser = argparse.ArgumentParser(
description='Pythonic background daemon')
parser.add_argument('-Debug',
action='store_true',
help='Interactive shell intercace, Unix only')
self.args = parser.parse_args()
# Select multiprocessing spawn method
mp.set_start_method('spawn')
# Set working directory
os.chdir(Path(__file__).parent.absolute())
# Setup format
locale.setlocale(locale.LC_TIME, '')
# Instantiate WSGI Server
self.wsgi_server = WSGI_Server(self)
# Instantiate Execution Operator
self.operator = Operator()
self.operator.command.connect(self.forwardCmd)
self.startExec.connect(self.operator.startExec)
self.stopExec.connect(self.operator.stopExec)
self.queryStates.connect(self.operator.getElementStates)
self.startAll.connect(self.operator.startAll)
self.stopAll.connect(self.operator.stopAll)
self.killAll.connect(self.operator.killAll)
# Instantiate Standard Input Reader (Unix only)
if self.args.Debug:
try:
from stdin_reader import stdinReader
except ImportError:
from Pythonic.stdin_reader import stdinReader
self.stdinReader = stdinReader(
self.operator.processHandles.items())
self.stdinReader.quit_app.connect(self.exitApp)
# Instantiate ToolboxLoader
self.toolbox_loader = ToolboxLoader()
self.toolbox_loader.tooldataLoaded.connect(self.forwardCmd)
# Instantiate (Element)-EditorLoader
self.editor_loader = EditorLoader()
self.editor_loader.editorLoaded.connect(self.forwardCmd)
# Instantiate ConfigWriter
self.config_writer = ConfigWriter()
self.config_writer.configSaved.connect(self.forwardCmd)
self.saveConfig.connect(self.config_writer.saveConfig)
# Instantiate ConfigLoader
self.config_loader = ConfigLoader()
self.config_loader.tooldataLoaded.connect(self.forwardCmd)
# Instantiate System Command Executor
self.exec_sys_cmd = ExecSysCMD()
self.sysCommand.connect(self.exec_sys_cmd.execCommand)
# Connect the logger
if self.args.Debug:
self.update_logdate.connect(self.stdinReader.updateLogDate)
self.logger = logging.getLogger()
self.logger.setLevel(self.log_level)
# Create home path (if not already existing)
home_path = Path.home() / 'Pythonic'
if not os.path.exists(home_path):
os.makedirs(home_path)
# Create log path (if not already existing)
self.log_path = home_path / 'log'
if not os.path.exists(self.log_path):
os.makedirs(self.log_path)
# Get current date
self.log_date = datetime.datetime.now()
# self.log_date is kept up to date in heartbeat (WebSocket rcv)
# Create directory structure for logging
log_date_str = self.log_date.strftime('%Y_%m_%d')
file_path = '{}/{}.txt'.format(str(self.log_path), log_date_str)
# Setup logger
file_handler = logging.FileHandler(file_path)
file_handler.setLevel(self.log_level)
file_handler.setFormatter(self.formatter)
self.logger.addHandler(file_handler)
self.update_logdate.emit(
log_date_str) # forward log_date_str to instance of stdinReader
# Create directory for executables
executables_path = home_path / 'executables'
if not os.path.exists(executables_path):
os.makedirs(executables_path)
# Create trash folder for deleted files
# TODO
# Append executables folder to module search path
sys.path.append(str(executables_path))
logging.debug('MainWorker::__init__() called')
def exitApp(self):
print('# Stopping all processes....')
self.kill_all.emit()
time.sleep(3) # wait for 1 seconds to kill all processes
self.app.quit()
os.kill(self.app.applicationPid(),
signal.SIGTERM) # kill all related threads
def update_logfile(self):
now = datetime.datetime.now().date()
if (now != self.log_date.date()):
self.logger.removeHandler(self.logger.handlers[0])
log_date_str = now.strftime('%Y_%m_%d')
file_path = '{}/{}.txt'.format(str(self.log_path), log_date_str)
file_handler = logging.FileHandler(file_path)
file_handler.setLevel(self.log_level)
file_handler.setFormatter(self.formatter)
self.logger.addHandler(file_handler)
self.log_date = datetime.datetime.now()
self.update_logdate.emit(log_date_str)
def start(self, args):
logging.info('<#>DAEMON STARTED<#>')
reset_screen()
if self.args.Debug:
reset_screen_dbg()
self.stdinReader.start() # call run() method in separate thread
self.wsgi_server.start()
self.operator.start()
def loadTools(self):
logging.debug('MainWorker::loadTools() called')
self.toolbox_loader.start()
def loadEditorConfig(self, address, typeName):
logging.debug('MainWorker::loadEditorConfig() called')
self.editor_loader.startLoad(address, typeName)
def forwardCmd(self, cmd):
#logging.debug('MainWorker::forwardCmd() called')
self.frontendCtrl.emit(cmd)
def loadConfig(self):
logging.debug('MainWorker::loadConfig() called')
self.config_loader.start()
def checkArgs(self, args):
b_file_found = False
grid_file = None
for argument in args:
if argument[0] == '-' or argument[0] == '--':
print('Option found: {}'.format(argument))
else:
if not b_file_found:
b_file_found = True
grid_file = argument
return grid_file