File size: 12,467 Bytes
913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae 8d060d1 bc390e7 913beae bc390e7 913beae da1dc68 913beae bc390e7 913beae bc390e7 913beae bc390e7 913beae bc390e7 da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae f8d1cbd da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae da1dc68 913beae |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 |
from fastapi import FastAPI, HTTPException, BackgroundTasks
from fastapi.responses import FileResponse, HTMLResponse
from pydantic import BaseModel
import os
import subprocess
from urllib.request import urlretrieve
import traceback
import uuid
from typing import Optional
import asyncio
from pathlib import Path
# --- Create FastAPI app ---
app = FastAPI(
title="Chhattisgarhi TTS API",
description="Text-to-Speech API for Chhattisgarhi language using VITS model",
version="1.0.0"
)
# --- Create directories ---
os.makedirs("tts_model", exist_ok=True)
os.makedirs("audio_outputs", exist_ok=True)
# --- Model and Config URLs ---
MODEL_URL = "https://huggingface.co/sameerbanchhor/chattisgarhi-tts-models/resolve/main/Male/best_model.pth?download=true"
CONFIG_URL = "https://huggingface.co/sameerbanchhor/chattisgarhi-tts-models/resolve/main/Male/config.json?download=true"
# --- Define local paths for the model and config ---
model_path = os.path.join("tts_model", "best_model.pth")
config_path = os.path.join("tts_model", "config.json")
# --- Pydantic models ---
class TTSRequest(BaseModel):
text: str
class TTSResponse(BaseModel):
status: str
message: str
audio_id: Optional[str] = None
audio_url: Optional[str] = None
# --- Download function ---
def download_file(url, destination):
if not os.path.exists(destination):
print(f"Downloading {os.path.basename(destination)}...")
try:
urlretrieve(url, destination)
print("Download complete.")
except Exception as e:
print(f"FATAL: Error downloading {url}: {e}")
raise
# --- Initialize models on startup ---
@app.on_event("startup")
async def startup_event():
"""Download model files on startup if they don't exist"""
try:
download_file(MODEL_URL, model_path)
download_file(CONFIG_URL, config_path)
print("Model files ready!")
except Exception as e:
print("Application cannot start because model files could not be downloaded.")
raise
# --- TTS processing function ---
async def chhattisgarhi_tts_cli(text: str, output_filename: str):
"""
Converts Chhattisgarhi text to speech using the TTS command-line interface.
Returns a tuple: (status, message, audio_path)
"""
if not text.strip():
return ("error", "Please enter some text to convert.", None)
try:
output_wav_path = os.path.join("audio_outputs", output_filename)
# Construct the command-line instruction
command = [
"tts",
"--text", text,
"--model_path", model_path,
"--config_path", config_path,
"--out_path", output_wav_path
]
print(f"Running command: {' '.join(command)}")
# Execute the command asynchronously
process = await asyncio.create_subprocess_exec(
*command,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE
)
stdout, stderr = await process.communicate()
if process.returncode == 0:
print(f"TTS command successful. Output saved to {output_wav_path}")
return ("success", "Audio generated successfully!", output_wav_path)
else:
stderr_output = stderr.decode().strip()
print(f"ERROR: TTS command failed with return code {process.returncode}")
print(f"STDERR from TTS tool: {stderr_output}")
return ("error", f"Audio generation failed: {stderr_output}", None)
except Exception as e:
error_message = f"An unexpected error occurred: {str(e)}"
print(error_message)
traceback.print_exc()
return ("error", error_message, None)
# --- API Routes ---
@app.get("/", response_class=HTMLResponse)
async def root():
"""Serve a simple HTML interface for testing"""
html_content = """
<!DOCTYPE html>
<html>
<head>
<title>Chhattisgarhi TTS API</title>
<style>
body { font-family: Arial, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; }
.container { background: #f5f5f5; padding: 20px; border-radius: 8px; margin: 20px 0; }
textarea { width: 100%; height: 100px; padding: 10px; border: 1px solid #ddd; border-radius: 4px; }
button { background: #007bff; color: white; padding: 10px 20px; border: none; border-radius: 4px; cursor: pointer; }
button:hover { background: #0056b3; }
.examples { margin-top: 20px; }
.example { background: #e9ecef; padding: 10px; margin: 5px 0; border-radius: 4px; cursor: pointer; }
</style>
</head>
<body>
<h1>Chhattisgarhi Text-to-Speech API</h1>
<p>Enter text in Chhattisgarhi to generate audio using the VITS model.</p>
<div class="container">
<textarea id="textInput" placeholder="यहाँ छत्तीसगढ़ी पाठ लिखें..."></textarea>
<br><br>
<button onclick="generateAudio()">Generate Audio</button>
</div>
<div id="result"></div>
<div class="examples">
<h3>Example Texts (click to use):</h3>
<div class="example" onclick="useExample(this)">राजस्थान के नामी ब्यंजन चूरमालाड़ू गुड़ के पाग म गहूँ के दरदरहा पिसान के लाड़ू म तिली अउ नरियल के सुवाद म सजथे</div>
<div class="example" onclick="useExample(this)">दुग्ध क्रान्ति भारत के योजना हे जेखर ले भारत म दूध के कमी ला दुरिहा करे जा सकथे एला श्वेत क्रांति घलोक कहिथे</div>
<div class="example" onclick="useExample(this)">जम्मू कश्मीर म पर्यटन उद्योग ला बढ़ावा देना उहाँ के अर्थबेवस्था ला सुचारू रूप ले चलाय बर जरुरी हे</div>
<div class="example" onclick="useExample(this)">फोरेन्सिक विज्ञान ल कानूनी प्रश्न के उत्तर दिए बर अउ अपराध ल सिद्ध करे बर बउरे जाथे</div>
</div>
<script>
function useExample(element) {
document.getElementById('textInput').value = element.textContent;
}
async function generateAudio() {
const text = document.getElementById('textInput').value;
const resultDiv = document.getElementById('result');
if (!text.trim()) {
resultDiv.innerHTML = '<div style="color: red;">Please enter some text!</div>';
return;
}
resultDiv.innerHTML = '<div>Generating audio... Please wait.</div>';
try {
const response = await fetch('/generate-audio', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ text: text })
});
const data = await response.json();
if (data.status === 'success') {
resultDiv.innerHTML = `
<div style="color: green;">${data.message}</div>
<audio controls style="width: 100%; margin-top: 10px;">
<source src="${data.audio_url}" type="audio/wav">
Your browser does not support the audio element.
</audio>
`;
} else {
resultDiv.innerHTML = `<div style="color: red;">Error: ${data.message}</div>`;
}
} catch (error) {
resultDiv.innerHTML = `<div style="color: red;">Network error: ${error.message}</div>`;
}
}
</script>
</body>
</html>
"""
return html_content
@app.post("/generate-audio", response_model=TTSResponse)
async def generate_audio(request: TTSRequest):
"""Generate audio from Chhattisgarhi text"""
# Generate unique filename
audio_id = str(uuid.uuid4())
output_filename = f"{audio_id}.wav"
try:
# Process TTS
status, message, audio_path = await chhattisgarhi_tts_cli(request.text, output_filename)
if status == "success":
return TTSResponse(
status=status,
message=message,
audio_id=audio_id,
audio_url=f"/audio/{audio_id}"
)
else:
raise HTTPException(status_code=400, detail=message)
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/audio/{audio_id}")
async def get_audio(audio_id: str):
"""Serve generated audio files"""
audio_path = os.path.join("audio_outputs", f"{audio_id}.wav")
if not os.path.exists(audio_path):
raise HTTPException(status_code=404, detail="Audio file not found")
return FileResponse(
audio_path,
media_type="audio/wav",
filename=f"chhattisgarhi_audio_{audio_id}.wav"
)
@app.get("/health")
async def health_check():
"""Health check endpoint"""
model_exists = os.path.exists(model_path)
config_exists = os.path.exists(config_path)
return {
"status": "healthy" if model_exists and config_exists else "unhealthy",
"model_downloaded": model_exists,
"config_downloaded": config_exists,
"model_path": model_path,
"config_path": config_path
}
@app.get("/examples")
async def get_examples():
"""Get example texts for testing"""
examples = [
"राजस्थान के नामी ब्यंजन चूरमालाड़ू गुड़ के पाग म गहूँ के दरदरहा पिसान के लाड़ू म तिली अउ नरियल के सुवाद म सजथे",
"दुग्ध क्रान्ति भारत के योजना हे जेखर ले भारत म दूध के कमी ला दुरिहा करे जा सकथे एला श्वेत क्रांति घलोक कहिथे",
"जम्मू कश्मीर म पर्यटन उद्योग ला बढ़ावा देना उहाँ के अर्थबेवस्था ला सुचारू रूप ले चलाय बर जरुरी हे",
"फोरेन्सिक विज्ञान ल कानूनी प्रश्न के उत्तर दिए बर अउ अपराध ल सिद्ध करे बर बउरे जाथे"
]
return {"examples": examples}
# --- Background task to clean up old audio files ---
async def cleanup_old_files():
"""Clean up audio files older than 1 hour"""
import time
current_time = time.time()
for filename in os.listdir("audio_outputs"):
file_path = os.path.join("audio_outputs", filename)
if os.path.isfile(file_path):
file_age = current_time - os.path.getctime(file_path)
if file_age > 3600: # 1 hour
try:
os.remove(file_path)
print(f"Cleaned up old audio file: {filename}")
except Exception as e:
print(f"Error cleaning up file {filename}: {e}")
@app.on_event("startup")
async def setup_cleanup():
"""Set up background cleanup task"""
# This would typically be handled by a proper task scheduler in production
pass
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=7860) |