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#!/usr/bin/env python2
# -- this code is licensed GPLv3
# Copyright 2013 Jezra
import sys
import signal
import gobject
import os.path
import subprocess
from optparse import OptionParser
#where are the files?
conf_dir = os.path.expanduser("~/.config/blather")
lang_dir = os.path.join(conf_dir, "language")
command_file = os.path.join(conf_dir, "commands.conf")
strings_file = os.path.join(conf_dir, "sentences.corpus")
history_file = os.path.join(conf_dir, "blather.history")
lang_file = os.path.join(lang_dir,'lm')
dic_file = os.path.join(lang_dir,'dic')
#make the lang_dir if it doesn't exist
if not os.path.exists(lang_dir):
os.makedirs(lang_dir)
class Blather:
def __init__(self, opts):
#import the recognizer so Gst doesn't clobber our -h
from Recognizer import Recognizer
self.ui = None
#keep track of the opts
self.opts = opts
ui_continuous_listen = False
self.continuous_listen = False
self.commands = {}
self.read_commands()
self.recognizer = Recognizer(lang_file, dic_file, opts.microphone )
self.recognizer.connect('finished',self.recognizer_finished)
if opts.interface != None:
if opts.interface == "q":
#import the ui from qt
from QtUI import UI
elif opts.interface == "g":
from GtkUI import UI
else:
print "no GUI defined"
sys.exit()
self.ui = UI(args,opts.continuous)
self.ui.connect("command", self.process_command)
#can we load the icon resource?
icon = self.load_resource("icon.png")
if icon:
self.ui.set_icon(icon)
if self.opts.history:
self.history = []
def read_commands(self):
#read the.commands file
file_lines = open(command_file)
strings = open(strings_file, "w")
for line in file_lines:
print line
#trim the white spaces
line = line.strip()
#if the line has length and the first char isn't a hash
if len(line) and line[0]!="#":
#this is a parsible line
(key,value) = line.split(":",1)
print key, value
self.commands[key.strip().lower()] = value.strip()
strings.write( key.strip()+"\n")
#close the strings file
strings.close()
def log_history(self,text):
if self.opts.history:
self.history.append(text)
if len(self.history) > self.opts.history:
#pop off the first item
self.history.pop(0)
#open and truncate the blather history file
hfile = open(history_file, "w")
for line in self.history:
hfile.write( line+"\n")
#close the file
hfile.close()
def recognizer_finished(self, recognizer, text):
t = text.lower()
#is there a matching command?
if self.commands.has_key( t ):
cmd = self.commands[t]
print cmd
subprocess.call(cmd, shell=True)
self.log_history(text)
else:
print "no matching command"
#if there is a UI and we are not continuous listen
if self.ui:
if not self.continuous_listen:
#stop listening
self.recognizer.pause()
#let the UI know that there is a finish
self.ui.finished(t)
def run(self):
if self.ui:
self.ui.run()
else:
blather.recognizer.listen()
def quit(self):
sys.exit()
def process_command(self, UI, command):
print command
if command == "listen":
self.recognizer.listen()
elif command == "stop":
self.recognizer.pause()
elif command == "continuous_listen":
self.continuous_listen = True
self.recognizer.listen()
elif command == "continuous_stop":
self.continuous_listen = False
self.recognizer.pause()
elif command == "quit":
self.quit()
def load_resource(self,string):
local_data = os.path.join(os.path.dirname(__file__), 'data')
paths = ["/usr/share/blather/","/usr/local/share/blather", local_data]
for path in paths:
resource = os.path.join(path, string)
if os.path.exists( resource ):
return resource
#if we get this far, no resource was found
return False
if __name__ == "__main__":
parser = OptionParser()
parser.add_option("-i", "--interface", type="string", dest="interface",
action='store',
help="Interface to use (if any). 'q' for Qt, 'g' for GTK")
parser.add_option("-c", "--continuous",
action="store_true", dest="continuous", default=False,
help="starts interface with 'continuous' listen enabled")
parser.add_option("-H", "--history", type="int",
action="store", dest="history",
help="number of commands to store in history file")
parser.add_option("-m", "--microphone", type="int",
action="store", dest="microphone", default=None,
help="Audio input card to use (if other than system default)")
(options, args) = parser.parse_args()
#make our blather object
blather = Blather(options)
#init gobject threads
gobject.threads_init()
#we want a main loop
main_loop = gobject.MainLoop()
#handle sigint
signal.signal(signal.SIGINT, signal.SIG_DFL)
#run the blather
blather.run()
#start the main loop
try:
main_loop.run()
except:
print "time to quit"
main_loop.quit()
sys.exit()
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