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EspeakFrontend.py

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+##
+# Project: gespeaker - A GTK frontend for espeak  
+#  Author: Muflone Ubuntu Trucchi <[email protected]>
+##
+
+import SubprocessWrapper
+
+class EspeakFrontend(object):
+  def __init__(self):
+    self.procTalk = None
+    print 'python version detected: %d.%d' % (
+      SubprocessWrapper.PYTHON_VERSION[0], SubprocessWrapper.PYTHON_VERSION[1])
+
+  def isPlaying(self):
+    "Check if a process is still running"
+    return self.procTalk and (
+      self.procTalk[0].poll() == None or self.procTalk[1].poll() == None)
+
+  def pauseOrResume(self, status):
+    "Pause or Resume the playing, based on status"
+    if self.procTalk:
+      # Check if espeak is still runnning
+      if self.procTalk[0].poll() == None:
+        if status:
+          self.procTalk[0].stop()
+        else:
+          self.procTalk[0].resume()
+      # Check if player is still runnning
+      if self.procTalk[1].poll() == None:
+        if status:
+          self.procTalk[1].stop()
+        else:
+          self.procTalk[1].resume()
+
+  def play(self, cmdEspeak, cmdPlayer):
+    "Play the command provided"
+    # Execute espeak and pipe it with player
+    procEspeak = SubprocessWrapper.Popen(cmdEspeak.split(), 
+      stdout=SubprocessWrapper.PIPE)
+    procPlay = SubprocessWrapper.Popen(cmdPlayer.split(), 
+      stdin=procEspeak.stdout,
+      stdout=SubprocessWrapper.PIPE,
+      stderr=SubprocessWrapper.PIPE)
+    # Save both processes espeak and player
+    self.procTalk = (procEspeak, procPlay)
+
+  def stop(self):
+    "Stop audio killing espeak and player"
+    # If played at least once then we have procTalk
+    if self.procTalk:
+      # Check if espeak is still running
+      if self.procTalk[0].poll() == None:
+        print 'killing espeak with pid %d' % self.procTalk[0].pid
+        self.procTalk[0].terminate()
+      # Check if player is still runnning
+      if self.procTalk[1].poll() == None:
+        print 'killing player with pid %d' % self.procTalk[1].pid
+        self.procTalk[1].terminate()
+      # We don't need processes anymore
+      self.procTalk = None
+      return True
+    else:
+      return False
+
+  def loadLanguages(self, cmdEspeak):
+    "Load languages list from espeak"
+    print 'loading languages from %s --voices' % cmdEspeak
+    proc = SubprocessWrapper.Popen((cmdEspeak, '--voices'), 
+      stdout=SubprocessWrapper.PIPE)
+    return proc.communicate()[0].split('\n')[1:-1]

SubprocessWrapper.py

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+##
+# Project: gespeaker - A GTK frontend for espeak  
+#  Author: Muflone Ubuntu Trucchi <[email protected]>
+##
+
+import subprocess
+import sys
+import os
+
+PIPE = subprocess.PIPE
+PYTHON_VERSION = sys.version_info[0:2]
+
+class Popen(object):
+  def __init__(self, args, stdin=None, stdout=None, stderr=None, shell=False):
+    self.process = subprocess.Popen(args=args, 
+      stdin=stdin, stdout=stdout, stderr=stderr, shell=shell)
+    self.stdin = self.process.stdin
+    self.stdout = self.process.stdout
+    self.stderr = self.process.stderr
+    self.pid = self.process.pid
+
+  def __del__(self):
+    self.process = None
+
+  def communicate(self):
+    return self.process.communicate()
+
+  def poll(self):
+    return self.process.poll()
+
+  def terminate(self):
+    "Python version < 2.6 doesn't have a terminate method for subprocess"
+    if PYTHON_VERSION[0] == 2 and PYTHON_VERSION[1] >= 6:
+      return self.process.terminate()
+    else:
+      signal = 15
+      return os.kill(self.pid, signal)
+
+  def stop(self):
+    signal = 19
+    if PYTHON_VERSION[0] == 2 and PYTHON_VERSION[1] >= 6:
+      return self.process.send_signal(signal)
+    else:
+      return os.kill(self.pid, signal)
+
+  def resume(self):
+    signal = 18
+    if PYTHON_VERSION[0] == 2 and PYTHON_VERSION[1] >= 6:
+      return self.process.send_signal(signal)
+    else:
+      return os.kill(self.pid, signal)

TempfileWrapper.py

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+##
+# Project: gespeaker - A GTK frontend for espeak  
+#  Author: Muflone Ubuntu Trucchi <[email protected]>
+##
+
+import tempfile
+import sys
+import os
+
+PYTHON_VERSION = sys.version_info[0:2]
+
+class NamedTemporaryFile(object):
+  "Replacement for NamedTemporaryFile compatible with python 2.5"
+  def __init__(self, mode='w+b', delete=True):
+    self.delete = delete
+    if PYTHON_VERSION[0] == 2 and PYTHON_VERSION[1] >= 6:
+      self.tempfile = tempfile.NamedTemporaryFile(mode=mode, delete=delete)
+      self.name = self.tempfile.name
+    else:
+      # Python < 2.6 doesn't have a delete argument for NamedTemporaryFile
+      # We have to proceed manually :-\
+      self.name = tempfile.mkstemp()[1]
+      self.tempfile = open(self.name, mode=mode)
+
+  def __del__(self):
+    self.close()
+    self.tempfile = None
+
+  def write(self, data):
+    "Write data to the temporary file"
+    return self.tempfile.write(data)
+
+  def close(self):
+    "Close the temporary file and delete it if requested"
+    ret = self.tempfile.close()
+    if PYTHON_VERSION[0] == 2 and PYTHON_VERSION[1] < 6 and self.delete:
+      # Manually deletion of temporary filename
+      os.remove(self.name)
+    return ret

gespeaker.glade.h

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+char *s = N_("<b>Insert text to play</b>");
+char *s = N_("<b>Settings</b>");
+char *s = N_("Dela_y:");
+char *s = N_("Fem_ale");
+char *s = N_("P_itch:");
+char *s = N_("Spee_d:");
+char *s = N_("Voice:");
+char *s = N_("Welcome in Gespeaker");
+char *s = N_("_Edit");
+char *s = N_("_File");
+char *s = N_("_Help");
+char *s = N_("_Language:");
+char *s = N_("_Male");
+char *s = N_("_Volume:");