requirements.txt

# ============================================================================
# VOICE CLASSIFIER API - REQUIREMENTS
# Optimized for Multi-Layer Voice Detection System V2
# ============================================================================

# ----------------------------------------------------------------------------
# Core API Framework
# ----------------------------------------------------------------------------
fastapi>=0.109.0,<0.120.0
uvicorn[standard]>=0.27.0,<0.30.0
python-multipart>=0.0.6,<0.1.0
pydantic>=2.5.0,<3.0.0
pydantic-settings>=2.0.0  # For environment configuration

# ----------------------------------------------------------------------------
# Audio Processing & Analysis
# ----------------------------------------------------------------------------
librosa>=0.10.1,<0.11.0
numpy>=1.24.0,<2.0.0  # Librosa compatibility
scipy>=1.11.0,<2.0.0  # Required for signal processing layers
soundfile>=0.12.1,<0.13.0  # Better audio format support (MP3, WAV, FLAC)
audioread>=3.0.0  # Additional format support
resampy>=0.4.2  # High-quality audio resampling
numba>=0.58.0  # Speed up librosa operations

# ----------------------------------------------------------------------------
# AI & Deep Learning (Hugging Face Transformers)
# ----------------------------------------------------------------------------
torch>=2.1.0,<2.5.0  # PyTorch for model inference
transformers>=4.36.0,<5.0.0  # HuggingFace models
accelerate>=0.25.0,<0.35.0  # Faster model loading
sentencepiece>=0.1.99,<0.3.0  # Tokenization for some models
protobuf>=3.20.0,<5.0.0  # Protocol buffers for model serialization
safetensors>=0.4.0  # Safe model weight loading

# Optional: Uncomment if using SpeechBrain models
# speechbrain>=0.5.15,<1.0.0

# ----------------------------------------------------------------------------
# Utilities & Configuration
# ----------------------------------------------------------------------------
python-dotenv>=1.0.0,<2.0.0  # Environment variables
requests>=2.31.0,<3.0.0  # HTTP requests
python-jose[cryptography]>=3.3.0  # JWT tokens (if using auth)
passlib[bcrypt]>=1.7.4  # Password hashing (if using auth)

# ----------------------------------------------------------------------------
# Development & Testing (Optional - uncomment if needed)
# ----------------------------------------------------------------------------
# pytest>=7.4.0  # Testing framework
# pytest-asyncio>=0.21.0  # Async test support
# httpx>=0.25.0  # Test client
# black>=23.0.0  # Code formatting
# flake8>=6.0.0  # Linting
# mypy>=1.7.0  # Type checking

# ----------------------------------------------------------------------------
# Production Optimization (Optional - uncomment for production)
# ----------------------------------------------------------------------------
# gunicorn>=21.2.0  # Production WSGI server
# redis>=5.0.0  # Caching layer
# celery>=5.3.0  # Background task processing
# sentry-sdk>=1.38.0  # Error monitoring