app.py

from gtts import gTTS
from transformers import pipeline
import gradio as gr
import soundfile as sf

narrator_en = pipeline("text-to-speech", model="facebook/mms-tts-eng" )
narrator_fr = pipeline("text-to-speech", model="facebook/mms-tts-fra")

# gtts fonction
def gtts_func(text, lang):
    myobj = gTTS(text=text, lang=lang, slow=False)
    myobj.save("narrated_audio1.wav")
    return 'narrated_audio1.wav'
# MMS TTS fonction
def MMS_func(text, lang):
    if lang == 'en':
      narrated_text = narrator_en(text)
      sf.write("narrated_audio2.wav", narrated_text["audio"][0], narrated_text["sampling_rate"])
      return 'narrated_audio2.wav'
    else: 
      narrated_text = narrator_fr(text)
      sf.write("narrated_audio3.wav", narrated_text["audio"][0], narrated_text["sampling_rate"])
      return 'narrated_audio3.wav'


demo = gr.Blocks()
# gtts interface
gtts_iface = gr.Interface(fn = gtts_func,
                     inputs = [gr.Textbox(label="Text",
                       lines=6), gr.Textbox(label="language",
                       lines=1)],
                     outputs = 'audio',
                     title = 'Text-to-speech gtts Application',
                     description = 'This app allows you to narrate any english text by using gtts library'

                    )

# MMS TTS english-french interface
mms_iface = gr.Interface(fn = MMS_func,
                     inputs = [gr.Textbox(label="Text",
                       lines=6), gr.Textbox(label="language",
                       lines=1)],
                     outputs = 'audio',
                     title = 'MMS english-french Text-to-speech Application',
                     description = 'This app allows you to narrate any english or french text by using MMS text-to-speech of facebook'

                    )
with demo:
    gr.TabbedInterface(
        [gtts_iface,
         mms_iface],
        #  mms_fr_iface],
        ["gtts narrator",
         "MMS english-french narrator"])

demo.launch()