# GCAS Search Engine – Python dependencies
# Install with:  pip install -r requirements.txt

# ── Web framework ──────────────────────────────────────────────────────────
fastapi>=0.111.0
uvicorn[standard]>=0.29.0

# ── Data / Excel ───────────────────────────────────────────────────────────
pandas>=2.1.0
openpyxl>=3.1.2
numpy>=1.26.0

# ── Vector search ──────────────────────────────────────────────────────────
faiss-cpu>=1.8.0

# ── Local embeddings (no API key required) ─────────────────────────────────
sentence-transformers>=3.0.0
torch>=2.2.0            # CPU-only; swap for torch+cuda if GPU available

# ── Config / validation ────────────────────────────────────────────────────
pydantic>=2.6.0
pydantic-settings>=2.2.0
python-dotenv>=1.0.1

# ── LLM providers (optional – only needed if you enable LLM reranking) ─────
openai>=1.30.0
anthropic>=0.28.0

# ── Multilingual / fuzzy search ────────────────────────────────────────────
# Fast fuzzy string matching (RapidFuzz replaces fuzzywuzzy, no GPL issues)
rapidfuzz>=3.6.0
# Language detection (English / Hindi / Gujarati)
langdetect>=1.0.9
# Gujarati ↔ Hindi ↔ Latin transliteration
indic-transliteration>=2.3.58

# ── Utilities ──────────────────────────────────────────────────────────────
httpx>=0.27.0