requirements.txt

# filename: requirements.txt
# PAM - Privacy-First AI Assistant
# Optimized for Hugging Face Spaces (CPU deployment)

# ==========================================
# Web Server / API Framework
# ==========================================
fastapi>=0.104.0,<0.110.0
uvicorn[standard]>=0.23.2,<0.30.0
pydantic>=2.4.2,<3.0.0
python-multipart>=0.0.6
starlette>=0.35.1,<0.40.0

# ==========================================
# HTTP & API Communication
# ==========================================
requests>=2.31.0
httpx>=0.25.0

# ==========================================
# AI/ML Libraries (CPU-optimized)
# ==========================================
# NOTE: Transformers is only needed if using local pipelines
# For HF Inference API (recommended for Spaces), it's optional
# transformers>=4.35.0,<4.40.0
# torch>=2.1.0,<2.2.0  # REMOVED - not needed for Inference API

# Transformers without torch dependency (for tokenizers only if needed)
transformers>=4.35.0,<4.40.0
# Install CPU-only torch if you absolutely need local models
--extra-index-url https://download.pytorch.org/whl/cpu
torch>=2.1.0,<2.3.0

# ==========================================
# Utilities & Data Processing
# ==========================================
python-dateutil>=2.8.2
pytz>=2023.3

# ==========================================
# Optional: AWS Integration (if needed)
# ==========================================
# boto3>=1.28.69  # Uncomment if using AWS services

# ==========================================
# Development & Debugging (remove in production)
# ==========================================
# pytest>=7.4.0
# black>=23.10.0
# flake8>=6.1.0