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# Travel Recommendation System - Main Project Requirements

# Install with: pip install -r requirements.txt

# ============================================================================

# Web Framework

# ============================================================================

streamlit==1.40.2

# ============================================================================

# Database Drivers

# ============================================================================

neo4j==5.27.0

snowflake-connector-python==3.12.3

# ============================================================================

# Data Processing

# ============================================================================

pandas==2.2.3

numpy==1.26.4

# ============================================================================

# Visualization

# ============================================================================

plotly==5.24.1

matplotlib==3.8.4

# ============================================================================

# LLM & AI

# ============================================================================

langchain==0.3.13

langchain-core==0.3.28

langchain-community==0.3.13

langchain-openai==0.2.9 # Required for OpenAI LLM integration

openai==1.54.3 # For Snowflake Cortex and OpenRouter

# ============================================================================

# Authentication & Security

# ============================================================================

bcrypt==4.2.1 # Password hashing

cryptography==44.0.0 # For Snowflake key-pair authentication

# ============================================================================

# Utilities

# ============================================================================

python-dotenv==1.0.1 # Environment variables

requests==2.32.3 # HTTP requests

# ============================================================================

# Graph Visualization & Rendering

# ============================================================================

kaleido==0.2.1 # Plotly static image export (fixes blank charts)

neo4j-viz==1.0.0 # Neo4j graph visualization