main: begin add tts

src/main.py

@@ -26,15 +26,21 @@ import socket
 gi.require_version("Gtk", "4.0")
 gi.require_version("Adw", "1")
 gi.require_version("Gdk", "4.0")
+gi.require_version('Gst', '1.0')
 
-from gi.repository import Gtk, Gio, Adw, Gdk, GLib
+from gi.repository import Gtk, Gio, Adw, Gdk, GLib, Gst
 from .window import BavarderWindow
 from .preferences import Preferences
 
 from .constants import app_id, version
 
-from baichat_py import BAIChat
+from hgchat import HGChat
+from gtts import gTTS
+from tempfile import NamedTemporaryFile
 
+from baichat_py import BaiChat
+
+BACKEND = "hgchat" # "hgchat" or "bai"
 
 class BavarderApplication(Adw.Application):
     """The main application singleton class."""
@@ -50,11 +56,30 @@ class BavarderApplication(Adw.Application):
         self.create_action("copy_prompt", self.on_copy_prompt_action)
         self.create_action("copy_bot", self.on_copy_bot_action)
         self.create_action("ask", self.on_ask_action, ["<primary>Return"])
+        self.create_action("speak", self.on_speak_action, ["<primary>S"])
+        self.create_action("listen", self.on_listen_action, ["<primary>L"])
 
         self.settings = Gio.Settings(schema_id="io.github.Bavarder.Bavarder")
 
         self.clear_after_send = self.settings.get_boolean("clear-after-send")
 
+        if BACKEND == "hgchat":
+            self.chat = HGChat()
+        elif BACKEND == "bai":
+            self.chat = BAIChat()
+        else:
+            raise ValueError("Invalid backend")
+
+        # GStreamer playbin object and related setup
+        Gst.init(None)
+        self.player = Gst.ElementFactory.make('playbin', 'player')
+        self.pipeline = Gst.Pipeline()
+        # bus = self.player.get_bus()
+        # bus.add_signal_watch()
+        # bus.connect('message', self.on_gst_message)
+        self.player_event = threading.Event()  # An event for letting us know when Gst is done playing
+
+
     def do_activate(self):
         """Called when the application is activated.
 
@@ -138,9 +163,11 @@ class BavarderApplication(Adw.Application):
         self.win.toast_overlay.add_toast(toast)
 
     def ask(self, prompt):
-        chat = BAIChat(sync=True)
         try:
-            response = chat.sync_ask(self.prompt)
+            if BACKEND == "hgchat":
+                response = self.chat.ask(self.prompt)
+            elif BACKEND == "bai":
+                response = self.chat.sync_ask(self.prompt)
         except KeyError:
             self.win.banner.set_revealed(False)
             return ""
@@ -150,7 +177,15 @@ class BavarderApplication(Adw.Application):
             return ""
         else:
             self.win.banner.set_revealed(False)
-            return response.text
+            r = ""
+            for i in response:
+                char = i["token"]["text"]
+                if char == "</s>":
+                    r += "\n"
+                else:
+                    r += char
+                self.win.bot_text_view.get_buffer().set_text(r)
+            return r
 
     def on_ask_action(self, widget, _):
         """Callback for the app.ask action."""
@@ -161,7 +196,6 @@ class BavarderApplication(Adw.Application):
         self.prompt = self.win.prompt_text_view.get_buffer().props.text
 
         def thread_run():
-            # call heavy here
             response = self.ask(self.prompt)
             GLib.idle_add(cleanup, response)
 
@@ -171,13 +205,40 @@ class BavarderApplication(Adw.Application):
             self.win.wait_button.set_visible(False)
             t.join()
             self.win.bot_text_view.get_buffer().set_text(response)
-
             if self.clear_after_send:
                 self.win.prompt_text_view.get_buffer().set_text("")
 
         t = threading.Thread(target=thread_run)
         t.start()
 
+    def on_speak_action(self, widget, _):
+        """Callback for the app.speak action."""
+        print("app.speak action activated")
+
+        try:
+
+            with NamedTemporaryFile() as file_to_play:
+
+                tts = gTTS(self.win.bot_text_view.get_buffer().props.text)
+                tts.write_to_fp(file_to_play)
+                file_to_play.seek(0)
+                self._play_audio(file_to_play.name)
+        except Exception as exc:
+            print(exc)
+
+    def _play_audio(self, path):
+        uri = 'file://' + path
+        self.player.set_property('uri', uri)
+        self.pipeline.add(self.player)
+        self.pipeline.set_state(Gst.State.PLAYING)
+        self.player.set_state(Gst.State.PLAYING)
+        
+            
+
+    def on_listen_action(self, widget, _):
+        """Callback for the app.listen action."""
+        print("app.listen action activated")
+
     def create_action(self, name, callback, shortcuts=None):
         """Add an application action.