#49 | Nenad Pantelic | Add text-to-speech scripts

TextToSpeech/tts.py

@@ -0,0 +1,60 @@
+# possible replacement pyttsx3
+from gtts import gTTS
+import os
+from utils import *
+# tts audio config
+PATH_TO_AUDIO_DIR = r"audio/"
+DEFAULT_AUDIO_FILE = PATH_TO_AUDIO_DIR + "temporary.mp3"
+
+
+class Speaker:
+    def __init__(self, language="en-us"):
+        self._language = language
+        self._tts = gTTS(lang=self._language, text="dummy")
+
+    # public methods
+    def set_language(self, language):
+        """
+        Sets operating speaking _language.
+        :param str language: _language code
+        :rtype: None
+        :return: void method
+        """
+        assert (isinstance(language, str))
+        self._language = language
+        self._tts.lang = self._language
+
+    def get_language(self):
+        """
+        Returns speaking _language.
+        :rtype:str
+        :return: speaking _language
+        """
+        return self._language
+
+    def save_speech_and_play(self, text=""):
+        """
+        Speak out the given text. Text must not be empty string.
+        :param str text: text to be spoken
+        :rtype: None
+        :return: void method
+        """
+        assert (isinstance(text, str))
+        if text != '':
+            self._speak(text, str(get_current_timestamp()) + ".mp3")
+
+    # private methods
+    def _speak(self, text, file_name=DEFAULT_AUDIO_FILE):
+        """
+        Speak out and play audio.
+        :param str text:
+        :param str file_name: audio file in which speech will be saved
+        :rtype: None
+        :return:void method
+        """
+        assert (isinstance(text, str))
+        if file_name != DEFAULT_AUDIO_FILE:
+            file_name = PATH_TO_AUDIO_DIR + file_name
+        self._tts.text = text
+        self._tts.save(file_name)
+        play_audio(file_name)

TextToSpeech/tts_test.py

@@ -0,0 +1,5 @@
+from tts import Speaker
+
+speaker = Speaker("en-us")
+print(speaker._speak("Marry had a little lamb!"))
+print(speaker.save_speech_and_play(text="Hello, world!"))

TextToSpeech/utils.py

@@ -0,0 +1,21 @@
+import time
+from playsound import playsound
+
+def play_audio(file_name):
+    """
+    Play audio file.
+    :param str file_name: name of file that will be played.
+    :rtype: None
+    :return: void method
+    """
+    assert (isinstance(file_name, str))
+    playsound(file_name)
+
+
+def get_current_timestamp():
+    """
+    Returns current timestamp as str.
+    :rtype: str
+    :return: current timestamp (Return the current time in seconds since the Epoch)
+    """
+    return time.time()