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KeyCtrlJulius.py
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KeyCtrlJulius.py
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#! /usr/bin/python -u
import sys
import os
import time
import thread
import logging
import argparse
try:
import json
except:
import simplejson as json
parser = argparse.ArgumentParser(description="Keyword Controller for Julius")
parser.add_argument("--quiet", action="store_true", help="reduce output to only word string")
parser.add_argument("--debug", action="store_true", help="(for debug) dump numerous log")
args = parser.parse_args()
class InputEvent:
def name(self, frame):
return frame.f_code.co_name
def execute(self, name):
logger.debug("Event::%s triggered, call event name", name)
if not "events" in config or not name in config["events"]:
logger.debug("Event name \"%s\" was not found", name)
return
command = Command({"exec": config["events"][name]})
command.execute()
logger.debug("Event::%s was called", name)
def onReady(self):
self.execute(self.name(sys._getframe()))
def onError(self):
self.execute(self.name(sys._getframe()))
def onEnding(self):
self.execute(self.name(sys._getframe()))
def onStart(self):
self.execute(self.name(sys._getframe()))
def onSuccess(self):
return
def onKeyword(self):
self.execute(self.name(sys._getframe()))
def onCommand(self):
self.execute(self.name(sys._getframe()))
def onExpired(self):
self.execute(self.name(sys._getframe()))
def onAccept(self):
self.execute(self.name(sys._getframe()))
def onExecute(self):
return
def onUnknown(self):
self.execute(self.name(sys._getframe()))
def onListening(self):
self.execute(self.name(sys._getframe()))
def onUnderstand(self):
self.execute(self.name(sys._getframe()))
class Command:
def __init__(self, command):
self.command = command
def execute(self):
def run(command):
logger.debug("Execute command: %s", command)
event.onExecute()
os.system(command)
if isinstance(self.command["exec"], list):
for command in self.command["exec"]:
run(command)
else:
run(self.command["exec"])
event.onSuccess()
class CommandParser:
@staticmethod
def parse(word):
logger.debug("Search command in configuration file: %s", confname)
for command in config["command"]:
if "name" in command and "exec" in command and command["name"].lower() == word.lower():
logger.debug("Command record for \"%s\" was found", command["name"])
return Command(command)
logger.debug("No matches in list")
return False
class InputStream:
def __init__(self, file_object):
logger.debug("Waiting for input data stream")
event.onReady()
keyword = KeywordListening()
startstring = "sentence1: <s> "
endstring = " </s>"
while 1:
line = file_object.readline()
if not line:
break
if "missing phones" in line.lower():
event.onError()
logger.error("Missing phonemes for the used grammar file")
raise
if line.startswith(startstring) and line.strip().endswith(endstring):
incomes = line.strip('\n')[len(startstring):-len(endstring)]
if keyword.isListening == False:
logger.debug("Keyword not in listening mode, check input data")
logger.debug("Starting listening for keyword: \"%s\"", config["keyword"])
thread.start_new_thread(keyword.listen, (incomes,))
elif keyword.isListening == True:
logger.debug("Keyword in listening mode. Parse incomming command")
event.onCommand()
keyword.parse(incomes)
class KeywordListening:
isListening = False
def parse(self, input):
logger.debug("Execute incomming command, when recognized")
command = CommandParser.parse(input)
if command:
event.onAccept()
command.execute()
elif not "-q" in sys.argv and not "--quiet" in sys.argv:
logger.debug("Unsupportet command entry %s", input)
event.onUnknown()
# Define a function for the thread
def timeout(self, repeat, seconds):
KeywordListening.isListening = True
count = 0
while count < repeat:
time.sleep(seconds)
logger.debug("%d seconds to inputting an instruction", (repeat -count))
count += 1
logger.debug("instruction expired")
event.onExpired()
KeywordListening.isListening = False
def listen(self, line):
keyword = config["keyword"]
timeout = {"repeat": 5, "delay": 1}
params = [param.lower() for param in line.split() if param]
if not "-q" in sys.argv and not "--quiet" in sys.argv:
logger.debug("Recognized input \"%s\"", params)
if params[0].upper() == keyword.upper():
logger.debug("Keyword was said and recognized")
logger.debug("Starting listening for Commands with a timeout of %d seconds", (timeout["repeat"] *timeout["delay"]))
thread.start_new_thread(self.timeout, (timeout["repeat"], timeout["delay"]) )
event.onListening()
event.onKeyword()
else:
logger.debug("Input data isnt a Keyword")
event.onUnderstand()
self.params = params
def write(message):
if not args.quiet: print message
if __name__ == "__main__":
basename = os.path.basename(sys.argv[0])
filename = os.path.splitext(basename)[0]
confname = os.path.dirname(__file__)+ "/"+ filename +".json"
config = {"keyword": "JULIUS", "command": []}
logging.basicConfig()
logger = logging.getLogger()
logger.getChild("client.stt").setLevel(logging.INFO)
write("*******************************************************")
write("* JULIUS - KEYWORD CONTROLLER *")
write("* keyword controlling for speech recognition engine *")
write("* (c) 2015, Ronny Eisenkolb (@eisenkolb) *")
write("*******************************************************")
event = InputEvent()
if args.debug: logger.setLevel(logging.DEBUG)
if os.path.isfile(confname):
logger.debug("Trying to read config file: \"%s\"", confname, exc_info=False)
try:
with open(confname) as data_file:
config = json.load(data_file)
except Exception:
event.onError()
logger.error("Can't open or parse config file: \"%s\"", data_file, exc_info=False)
raise
else: logger.warning("Configuration cannot be access file: \"%s\"", confname)
try:
event.onStart()
InputStream(sys.stdin)
except KeyboardInterrupt:
event.onError()
event.onEnding()
sys.exit(1)