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Update app.py
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import gradio as gr
import requests
import uuid
import os
from typing import Optional
import tempfile
from pydub import AudioSegment
import re
ASR_API = "http://astarwiz.com:9998/asr"
TTS_SPEAK_SERVICE = 'http://astarwiz.com:9603/speak'
TTS_WAVE_SERVICE = 'http://astarwiz.com:9603/wave'
LANGUAGE_MAP = {
"en": "English",
"ma": "Malay",
"ta": "Tamil",
"zh": "Chinese"
}
# Add a password for developer mode
DEVELOPER_PASSWORD = os.getenv("DEV_PWD")
# Add this constant for the RapidAPI key
#RAPID_API_KEY = os.getenv("RAPID_API_KEY")
RAPID_API_KEY = os.getenv("RAPID_API_KEY")
# Add this constant for available speakers
AVAILABLE_SPEAKERS = {
"en": ["MS"],
"ma": ["ChildMs_100049"],
"ta": ["ta_female1"],
"zh": ["childChinese2"]
}
def fetch_youtube_id(youtube_url: str) -> str:
if 'v=' in youtube_url:
return youtube_url.split("v=")[1].split("&")[0]
elif 'youtu.be/' in youtube_url:
return youtube_url.split("youtu.be/")[1]
elif 'shorts' in youtube_url:
return youtube_url.split("/")[-1]
else:
raise Exception("Unsupported URL format")
def download_youtube_audio(youtube_url: str, output_dir: Optional[str] = None) -> Optional[str]:
video_id = fetch_youtube_id(youtube_url)
if not video_id:
return None
if output_dir is None:
output_dir = tempfile.gettempdir()
output_filename = os.path.join(output_dir, f"{video_id}.mp3")
if os.path.exists(output_filename):
return output_filename # Return if the file already exists
url = "https://youtube86.p.rapidapi.com/api/youtube/links"
headers = {
'Content-Type': 'application/json',
'x-rapidapi-host': 'youtube86.p.rapidapi.com',
'x-rapidapi-key': RAPID_API_KEY
}
data = {
"url": youtube_url
}
response = requests.post(url, headers=headers, json=data)
print('Fetched audio links')
if response.status_code == 200:
result = response.json()
for url in result[0]['urls']:
if url.get('isBundle'):
audio_url = url['url']
extension = url['extension']
audio_response = requests.get(audio_url)
if audio_response.status_code == 200:
temp_filename = os.path.join(output_dir, f"{video_id}.{extension}")
with open(temp_filename, 'wb') as audio_file:
audio_file.write(audio_response.content)
# Convert to MP3 and downsample to 16000 Hz
audio = AudioSegment.from_file(temp_filename, format=extension)
audio = audio.set_frame_rate(16000)
audio.export(output_filename, format="mp3", parameters=["-ar", "16000"])
os.remove(temp_filename) # Remove the temporary file
return output_filename # Return the final MP3 filename
return None # Return None if no successful download occurs
else:
print("Error:", response.status_code, response.text)
return None # Return None on failure
punctuation_marks = r'([\.!?!?。])'
"""
def split_text_with_punctuation(text):
# Split the text using the punctuation marks, keeping the punctuation marks
split_text = re.split(punctuation_marks, text)
# Combine each punctuation mark with the preceding segment
combined_segments = []
for i in range(0, len(split_text) - 1, 2):
combined_segments.append(split_text[i] + split_text[i + 1])
# If there's any remaining text after the last punctuation, append it as well
if len(split_text) % 2 != 0 and split_text[-1]:
combined_segments.append(split_text[-1])
return combined_segments
"""
def split_text_with_punctuation(text):
# Split the text using the punctuation marks, keeping the punctuation marks
split_text = re.split(punctuation_marks, text)
# Combine each punctuation mark with the preceding segment
combined_segments = []
# Loop through the split text in steps of 2
for i in range(0, len(split_text) - 1, 2):
combined_segments.append(split_text[i] + split_text[i + 1])
# Handle any remaining text that doesn't have a punctuation following it
if len(split_text) % 2 != 0 and split_text[-1]:
combined_segments.append(split_text[-1])
# Split any segment that exceeds 50 words
final_segments = []
for segment in combined_segments:
words = segment.split() # Split each segment into words
if len(words) > 50:
# Split the segment into chunks of no more than 50 words
for j in range(0, len(words), 50):
final_segments.append(' '.join(words[j:j+50]))
else:
final_segments.append(segment)
return [segment for segment in final_segments if segment] # Filter out empty strings
def inference_via_llm_api(input_text, min_new_tokens=2, max_new_tokens=64):
print(input_text)
one_vllm_input = f"<|im_start|>system\nYou are a translation expert.<|im_end|>\n<|im_start|>user\n{input_text}<|im_end|>\n<|im_start|>assistant"
vllm_api = 'http://astarwiz.com:2333/' + "v1/completions"
data = {
"prompt": one_vllm_input,
'model': "./Edu-4B-NewTok-V2-20240904/",
'min_tokens': min_new_tokens,
'max_tokens': max_new_tokens,
'temperature': 0.1,
'top_p': 0.75,
'repetition_penalty': 1.1,
"stop_token_ids": [151645, ],
}
response = requests.post(vllm_api, headers={"Content-Type": "application/json"}, json=data).json()
print(response)
if "choices" in response.keys():
return response["choices"][0]['text'].strip()
else:
return "The system got some error during vLLM generation. Please try it again."
def transcribe_and_speak(audio, source_lang, target_lang, youtube_url=None, target_speaker=None):
if youtube_url:
audio = download_youtube_audio(youtube_url)
if not audio:
return "Failed to download YouTube audio.", None, None
if not audio:
return "Please provide an audio input or a valid YouTube URL.", None, None
# ASR
file_id = str(uuid.uuid4())
files = {'file': open(audio, 'rb')}
data = {
'language': 'ms' if source_lang == 'ma' else source_lang,
'model_name': 'whisper-large-v2-local-cs',
'with_timestamp': False
}
asr_response = requests.post(ASR_API, files=files, data=data)
print(asr_response.json())
if asr_response.status_code == 200:
transcription = asr_response.json()['text']
else:
return "ASR failed", None, None
split_result = split_text_with_punctuation(transcription)
translate_segments=[]
for segment in split_result:
translation_prompt = f"Translate the following text from {LANGUAGE_MAP[source_lang]} to {LANGUAGE_MAP[target_lang]}: {segment}"
translated_seg_txt = inference_via_llm_api(translation_prompt)
translate_segments.append(translated_seg_txt)
print(f"Translation: {translated_seg_txt}")
translated_text = " ".join(translate_segments)
# TTS
tts_params = {
'language': target_lang,
'speed': 1.1,
'speaker': target_speaker or AVAILABLE_SPEAKERS[target_lang][0], # Use the first speaker as default
'text': translated_text
}
tts_response = requests.get(TTS_SPEAK_SERVICE, params=tts_params)
if tts_response.status_code == 200:
audio_file = tts_response.text.strip()
audio_url = f"{TTS_WAVE_SERVICE}?file={audio_file}"
return transcription, translated_text, audio_url
else:
return transcription, translated_text, "TTS failed"
def check_password(password):
return password == DEVELOPER_PASSWORD
def run_speech_translation(audio, source_lang, target_lang, youtube_url, target_speaker):
transcription, translated_text, audio_url = transcribe_and_speak(audio, source_lang, target_lang, youtube_url, target_speaker)
return transcription, translated_text, audio_url
with gr.Blocks() as demo:
gr.Markdown("# Speech Translation")
# with gr.Tab("User Mode"):
gr.Markdown("Speak into the microphone, upload an audio file, or provide a YouTube URL. The app will translate and speak it back to you.")
with gr.Row():
user_audio_input = gr.Audio(sources=["microphone", "upload"], type="filepath")
user_youtube_url = gr.Textbox(label="YouTube URL (optional)")
with gr.Row():
user_source_lang = gr.Dropdown(choices=["en", "ma", "ta", "zh"], label="Source Language", value="en")
user_target_lang = gr.Dropdown(choices=["en", "ma", "ta", "zh"], label="Target Language", value="zh")
user_target_speaker = gr.Dropdown(choices=AVAILABLE_SPEAKERS['zh'], label="Target Speaker", value="childChinese2")
with gr.Row():
user_button = gr.Button("Translate and Speak", interactive=False)
with gr.Row():
user_transcription_output = gr.Textbox(label="Transcription")
user_translation_output = gr.Textbox(label="Translation")
user_audio_output = gr.Audio(label="Translated Speech")
user_video_output = gr.HTML(label="YouTube Video")
def update_button_state(audio, youtube_url):
print(audio, youtube_url)
return gr.Button(interactive=bool(audio) or bool(youtube_url))
user_audio_input.change(
fn=update_button_state,
inputs=[user_audio_input, user_youtube_url],
outputs=user_button
)
user_youtube_url.change(
fn=update_button_state,
inputs=[user_audio_input, user_youtube_url],
outputs=user_button
)
user_button.click(
fn=run_speech_translation,
inputs=[user_audio_input, user_source_lang, user_target_lang, user_youtube_url, user_target_speaker],
outputs=[user_transcription_output, user_translation_output, user_audio_output]
)
def update_video_embed(youtube_url):
if youtube_url:
try:
video_id = fetch_youtube_id(youtube_url)
return f'<iframe width="560" height="315" src="https://www.youtube.com/embed/{video_id}" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>'
except Exception as e:
print(f"Error embedding video: {e}")
return ""
user_youtube_url.change(
fn=update_video_embed,
inputs=[user_youtube_url],
outputs=[user_video_output]
)
def update_target_speakers(target_lang):
return gr.Dropdown(choices=AVAILABLE_SPEAKERS[target_lang], value=AVAILABLE_SPEAKERS[target_lang][0])
user_target_lang.change(
fn=update_target_speakers,
inputs=[user_target_lang],
outputs=[user_target_speaker]
)
demo.launch(auth=(os.getenv("DEV_USER"), os.getenv("DEV_PWD")))