Leo leetschau

Python Style Guide

Python 语言最明显的特征之一是用缩进量表示从属关系，没有采用 Java, C 用括号定义作用域的自由书写风格。所以 Python 对代码格式的要求十分严格，社区发展出了完整的编码规范和丰富的检查和修复工具，并能够整合到几乎所有主流编辑器中。

编码规范在提升代码质量和可读性、降低维护成本等方面发挥了核心作用，但如果没有相应的工具链帮助其落地，很难真正产生效果，本文第3、4节专门论述如何搭建可用的工具链。

Python 社区不鼓励对编码规范做人工审查，因为人工审查存在如下问题：

	title,url,time_added,tags,status
	defmacro - The Nature of Lisp,http://www.defmacro.org/ramblings/lisp.html,1340872707,lisp xml ant,unread
	HTTP Made Really Easy,http://www.jmarshall.com/easy/http/,1449453698,http\|tech,unread
	AsciiDoc cheatsheet,https://powerman.name/doc/asciidoc,1547390268,asciidoc,unread
	ContiPerf 2,http://databene.org/contiperf,1349362779,java\|test,unread
	AJAX in Django with jQuery \| webcloud,http://webcloud.se/log/AJAX-in-Django-with-jQuery/,1338701906,ajax\|django\|jquery,unread
	如何证明一加一等于二？ \| 科学人 \| 果壳网科技有意思,https://www.guokr.com/article/6556/,1529657618,math,unread
	Intro to Unintrusive JavaScript with Django - Irrational Exuberance,http://dev.lethain.com/intro-to-unintrusive-javascript-with-django/,1338701831,django ajax webservice,unread
	http://mindhacks.cn/2011/11/04/how-to-interview-a-person-for-two-years/,http://mindhacks.cn/2011/11/04/how-to-interview-a-person-for-two-years/,1405132841,,unread
	» What I Learned From Increasing My Prices ExtendsLogic,http://www.extendslogic.com/business/

	#!/usr/bin/env python3

	## This script starts a Web server providing texts and files sharing function.
	## See the usage with `-h` option.

	import os
	import sys
	import argparse
	import urllib.parse
	from http.server import HTTPServer, BaseHTTPRequestHandler

	{
	"$schema": "https://vega.github.io/schema/vega/v5.json",
	"description": "A Demo",
	"width": 700,
	"height": 500,
	"padding": 0,
	"autosize": "none",
	"data": [
	{
	"name": "nodes",

	{
	"nodes": [
	{"id": 1, "name": "1.13", "IP": "192.168.1.13", "group": "attacker"},
	{"id": 2, "name": "3.14", "IP": "192.168.3.14", "group": "victim"},
	{"id": 2, "name": "3.18", "IP": "192.168.3.18", "group": "victim"}
	],
	"edges": [
	{"id": 1, "source": 1, "target": 2, "relation": "SQL Injection"},
	{"id": 1, "source": 1, "target": 3, "relation": "Web Shell"}
	]

	[project]
	name = "my-fancy-project"
	description = "My fancy project"
	authors = [
	{name = "Leo", email = "[email protected]"},
	]

	version = "0.1.0"
	readme = "README.md"
	license = {text = "MIT"}

	import pexpect
	import argparse
	import importlib
	from pygments.styles.vim import VimStyle
	from prompt_toolkit import PromptSession
	from prompt_toolkit.history import FileHistory
	from prompt_toolkit.lexers import PygmentsLexer
	from prompt_toolkit.styles import style_from_pygments_cls
	from prompt_toolkit.auto_suggest import AutoSuggestFromHistory
	from prompt_toolkit.application.current import get_app

	/// This is the implementation of the first 2 parts of the wonderful 4-parts
	/// posts "Understanding Parser Combinators" of
	/// [F# for fun and profit](https://fsharpforfunandprofit.com/):

	module ParserLib1 =

	open System

	/// Type that represents Success/Failure in parsing
	type ParseResult<'a> =

	#!/bin/sh

	# Function:
	# print $output_num sections by order,
	# each have $sec_num adjacent records
	# from file $inp

	inp=$1
	output_num=$2
	sec_num=$3

	rc=%{$reset_color%}
	cy=$fg_bold[cyan]
	bl=$fg_bold[blue]
	re=$fg_bold[red]
	wh=%{$fg_bold[white]%}
	ye=$fg_bold[yellow]
	gr=$fg_bold[green]
	ma=$fg_bold[magenta]

	ZSH_THEME_GIT_PROMPT_PREFIX="git("