rollingstats 0.3.0

Lightweight sliding-window counters for streaming aggregation

rollingstats

Lightweight sliding-window counters for streaming aggregation.

from rollingstats import SlidingCounter

counter = SlidingCounter(capacity=1000)
counter.add(42)
counter.add(58)
print(counter.total)  # 100

Installation

pip install rollingstats

API

SlidingCounter(capacity)

Maintains a running total over a sliding window. When the total exceeds capacity, the oldest entries are evicted.

• .add(value) — append a value
• .total — current sum
• .empty — True if no values recorded
• .reset() — clear all entries