:rocket: lautpy — 常用工具类 :facepunch:

轻量的 Python 工具集：管道式数据处理 + 日期/路径/哈希等常用工具函数。核心零强制依赖，第三方库（numpy/pandas/scikit-learn 等）按需可选。

Install

pip install -U lautpy

Pipe 管道工具

from lautpy.pipe import *

# Unix 风格管道：data | func1 | func2
[1, 2, 3, 4] | xmap_(lambda x: x * 2) | xfilter_(lambda x: x > 3)   # [4, 6, 8]

# 进度条 + 日志 + 计时
for i in range(5) | xtqdm:
    logger.info("这是一个进度条")

with timer('LOG'):
    logger.info("打印一条log所花费的时间")

常用管道（约定：尾部下划线 = 立即求值返回 list）：

类别 管道
类型转换 xtuple xlist xset xarray
高阶函数 xmap xmap_ xfilter xfilter_ xenumerate xchain xchain_ xreduce xdrop xdrop_
字典 xchain_dict xDictValues xDictRemove xgetitem xitemgetter
分组/去重 xgroup xUnique xUniquePlus xHashBins xsort xCounter xCounterUpdate xBloomFilter
并发 xJobs xThreadPoolExecutor xProcessPoolExecutor xAsyncio
字符串 xjoin xstartswith xendswith xsse_parser

其他模块

from lautpy import dates, hashing, paths

# 日期（纯标准库）
dates.date_difference(days=1)                    # 昨天
dates.timestamp2str(time.time())                 # 时间戳 -> 字符串
dates.get_nday_list(7)                           # 过去 7 天

# 哈希 / AB 实验（murmurhash 需 scikit-learn）
hashing.md5("key:value")
hashing.murmurhash(bins=100)                     # 与 Java Guava 口径一致
hashing.ABTest(expid='10001', ranger=(0, 99)).is_hit("userid")
hashing.hash_bins(values, bins=4)                # 稳定哈希分桶
hashing.BloomFilter(capacity=10**6)              # 纯标准库布隆过滤器

# 路径 / 配置（yaml 支持需 pyyaml）
paths.file2json("config.yaml")                   # json/yaml -> dict
paths.path2list("dir", "*.txt")                  # 文件/目录展开

API 封装（lautpy.apis）

密钥一律走环境变量，源码中零硬编码；HTTP 统一带超时与自动重试：

import os
from lautpy.apis import get_api_key, request
from lautpy.apis.tools import shorten_url, data2qrcodeurl
from lautpy.apis.niutrans import translate

os.environ["NIUTRANS_API_KEY"] = "..."   # 或在 shell / .env 中配置
translate("你好", "auto", "en")           # NiuTrans 翻译
shorten_url("https://example.com/...")   # 无需密钥的短链/二维码工具

关于从 meutils 移植 apis/* 的取舍：meutils 有 325 个 API 封装文件，但其中大部分并非独立函数——它们依赖原作者的私人基建（飞书表格里的 key 池、其个人的阿里云 OSS、one-api 网关）以及 meutils 内部的 schemas/llm/oss/caches 全套依赖，还有 75 个文件内嵌明文密钥。这些代码即使改成环境变量也无法脱离原体系验证，因此没有全量移植。本包只移植了可独立运行的部分，并提供了规范化的接入模式（get_api_key() + request()）。需要接入新 API 时照此模式添加即可。

设计约定

  • import lautpy 零第三方强制依赖，无导入副作用
  • 第三方依赖的管道函数在库缺失时自动不可用，不影响其余功能
  • from lautpy.pipe import * 仅导出公共 API（__all__），不泄漏实现细节

License

Apache-2.0。部分代码移植自 MeUtils（MIT License, Copyright (c) yuanjie），详见各模块 docstring。

Project links

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Credits

Author: elimes

GitHub Statistics

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License

Apache Software License (Apache-2.0)

Requires

Python >=3.7

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