os-fast-reservoir 快速近似水库采样的Python实现。 安装 $ pip install os-fast-reservoir 用法 原料药 from os_fast_reservoir import ReservoirSampling rs = ReservoirSampling(100) for i in range(1000): rs.sample(i) for i in rs: print i 命令行 $ os-fast-reservoir -h usage: os-fast-reservoir [-h] [-v] [-f FILES [FILES ...]] -n NUM Reservoir sample tool. optional arguments: -h, --help