requirements.txt

# cascadeflow Production Requirements
# Minimal core dependencies only - provider SDKs are optional extras

# ============================================================================
# CORE DEPENDENCIES (Always Required)
# ============================================================================

# Data validation and settings
pydantic>=2.0.0

# HTTP client for API calls
httpx>=0.25.0

# Token counting and cost estimation
tiktoken>=0.5.0

# Optional: Rich terminal output (pip install cascadeflow[rich])
# rich>=13.0.0


# ============================================================================
# PROVIDER INSTALLATION (Optional - Use Extras)
# ============================================================================

# Install specific providers as needed:
#   pip install cascadeflow[openai]      → Adds openai>=1.0.0
#   pip install cascadeflow[anthropic]   → Adds anthropic>=0.8.0
#   pip install cascadeflow[groq]        → Adds groq>=0.4.0
#   pip install cascadeflow[providers]   → Adds OpenAI + Anthropic + Groq
#   pip install cascadeflow[all]         → Everything

# FREE/LOCAL OPTIONS (No Python packages needed):
#   Ollama  → Just HTTP to localhost:11434
#   vLLM    → Can use HTTP to vLLM server (or install cascadeflow[vllm])


# ============================================================================
# INSTALLATION EXAMPLES
# ============================================================================

# Minimal (core only):
#   pip install cascadeflow
#
# With OpenAI:
#   pip install cascadeflow[openai]
#
# With common providers:
#   pip install cascadeflow[providers]
#
# Everything:
#   pip install cascadeflow[all]