carpool-fare-engine 0.5.0

Dynamic fare calculation engine for carpool platforms

carpool-fare-engine

Reusable pricing engine for carpool marketplaces. It computes a transparent fare suggestion with a detailed breakdown so applications can explain each component of the final price.

Features

• Base fare + per-km + per-minute pricing
• Demand surge multiplier
• Time-of-day multiplier
• Fuel surcharge support
• Promo, loyalty, eco incentives, and holiday pricing rules
• Full calculation breakdown

Quick start

from carpool_fare_engine import FareConfig, FareRequest, calculate_fare

config = FareConfig(
    base_fare=40.0,
    per_km_rate=9.5,
    per_min_rate=0.6,
    default_distance_km=12.0,
    default_duration_min=28.0,
)
request = FareRequest(distance_km=14.0, duration_min=25.0, demand_multiplier=1.15)
result = calculate_fare(config, request)
print(result.total)
print(result.as_dict())