删除 CrossDown_.py
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CrossDown_.py
344
CrossDown_.py
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import time
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from typing import *
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import re
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import emoji
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import markdown
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try: # 检测当前平台是否支持扩展语法
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import CrossMore
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EXTRA_ABLE = True
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except ModuleNotFoundError:
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EXTRA_ABLE = False
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__all__ = [
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'main', # 主函数
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'indent', # 添加空格
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'body', # 主题函数
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'Style', # 风格
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'Value', # 变量
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'CodeBlock', # 代码块
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'Syllabus', # 提纲
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'Basic', # 基础
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'HEAD',
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'BODY',
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]
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__version__ = '0.11.2'
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__author__ = 'CrossDark'
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__email__ = 'liuhanbo333@icloud.com'
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__source__ = 'https://crossdark.net/'
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__license__ = """MIT"""
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HEAD = (
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'<script type="text/javascript" async src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-MML-AM_CHTML"></script>',
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'<link href="https://cdn.jsdelivr.net/npm/prismjs/themes/prism.css" rel="stylesheet" />',
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'<script src="https://cdn.jsdelivr.net/npm/prismjs/prism.js"></script>',
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'<script src="https://cdn.jsdelivr.net/npm/prismjs/components/prism-yaml.min.js"></script>',
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'<script src="https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js"></script>',
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'<style>',
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' .block {',
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' background-color: grey; /* 灰色背景 */',
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' color: white; /* 白色文字 */',
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'}',
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'</style>'
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)
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BODY = (
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'<script>',
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' mermaid.initialize({{startOnLoad:true}});',
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'</script>',
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'<script>',
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' document.addEventListener("DOMContentLoaded", function() {',
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' emojify.run();',
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'});',
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'</script>',
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)
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class Style:
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"""
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渲染字体样式
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"""
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def __init__(self, text: str):
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"""
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初始化
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:param text: cd文本
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"""
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self.text = text
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def underline(self):
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"""
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~下划线~
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:return:
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"""
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self.text = re.sub(r'~([^~\n]+)~', r'<u>\1</u>', self.text)
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def strikethrough(self):
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"""
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~~删除线~~
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:return:
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"""
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self.text = re.sub(r'~~([^~\n]+)~~', r'<s>\1</s>', self.text)
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def highlight(self):
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"""
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==高亮==
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:return:
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"""
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self.text = re.sub(r'==([^=\n]+)==', r'<mark>\1</mark>', self.text)
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def up(self):
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"""
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[在文本的正上方添加一行小文本]^(主要用于标拼音)
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:return:
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"""
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self.text = re.sub(r'\[(.*?)]\^\((.*?)\)', r'<ruby>\1<rt>\2</rt></ruby>', self.text)
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def hide(self):
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"""
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[在指定的文本里面隐藏一段文本]-(只有鼠标放在上面才会显示隐藏文本)
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:return:
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"""
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self.text = re.sub(r'\[(.*?)]-\((.*?)\)', r'<span title="\2">\1</span>', self.text)
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def __call__(self, *args, **kwargs) -> str:
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"""
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一键运行
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:param args:
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:param kwargs:
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:return: 处理后的文本
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"""
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self.strikethrough()
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self.underline()
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self.highlight()
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self.up()
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self.hide()
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return self.text
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class Value:
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"""
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定义: {变量名} = 值
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赋值: {变量或锚点名}
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锚点: {#锚点名}
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"""
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def __init__(self, text: str):
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self.text = text
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self.values = {
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key: value for key, value in re.findall(r'\{([^{}#]+)} ?= ?(.+?)(?=\n|$)', text)
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} # 从text中提取所有变量并转换成字典
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self.anchor = re.findall(r'\{#([^{}#]+)}', text)
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def __call__(self, *args, **kwargs) -> Tuple[str, Dict[str, str]]:
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"""
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将所有变量赋值并移除变量定义
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:param args:
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:param kwargs:
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:return: 赋值后的正文
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"""
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text = self.text
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for item in self.anchor:
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text = re.sub(r'\{#(' + item + ')}', r'<span id="\1"></span>', text) # 添加锚点
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text = re.sub(r'\{' + item + '}', fr'<a href="#{item}">{item}</a>', text) # 添加页内链接
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for k, v in self.values.items():
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text = re.sub(r'\{' + k + '} ?= ?(.+?)(?=\n|$)', '', text) # 移除变量的定义
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text = re.sub(r'\{' + k + '}', fr'{v}', text) # 给变量赋值
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return text, self.values
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class CodeBlock:
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def __init__(self, text: str):
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"""
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找出`代码块`并移除代码标识
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:param text: 输入的文本
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"""
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self.codes = [i for i in re.findall(r'`([^`]*)`', text) if i != ''] # 找出代码快
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self.text = re.sub(r'``', '', text) # 移除代码标识`
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def __call__(self, *args, **kwargs) -> str:
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"""
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临时移除代码块
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:param args:
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:param kwargs:
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:return: 不含代码的文本
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"""
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for index, item in enumerate(self.codes): # 替换代码块为-@@-(ID)-@@-
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self.text = re.sub(fr'`{re.escape(item)}`', f'\0\1{index}\1\0', self.text) # 同时转译特殊字符
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return self.text
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def rendering(self, values: Dict[str, str]):
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"""
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渲染代码
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:param values: 变量字典
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:return:
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"""
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for index, code in enumerate(self.codes):
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if re.match(r'\{[^$]*}', code): # 是变量
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# 给变量赋值
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key = re.findall(r'\{([^}]+)}', code)[0] # 查找变量名
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code = re.sub(r'\{' + key + '}', fr'{values[key]}', code)
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self.codes[index] = code # 给变量赋值
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if re.search(r'\n', code): # 是多行代码
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head = re.findall(r'(.*?)\n', code)[0]
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if head in ('', 'yaml'):
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self.codes[index] = f'<pre><code class="language-yaml">{code}</code></pre>'
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elif head in ('shell', 'python'):
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self.codes[
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index] = f'<pre><code class="language-{head}">{re.sub(f"({head})", "", code)}</code></pre>'
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elif head in ('mermaid',):
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self.codes[index] = f'<div class="{head}">{re.sub(f"({head})", "", code)}</div>'
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elif re.match(r'\$[^$]*\$', code): # 是LaTex代码(单行)
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self.codes[index] = re.sub(fr'\$([^$]*)\$', r'<p>\(\1\)</p>', code)
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elif re.match(r'¥[^$]*¥', code): # 是数学函数(单行)
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if EXTRA_ABLE:
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expression, range_ = re.findall(r'¥([^$]*)¥(€[^$]*€)?', code)[0] # 分离表达式与范围(如果有)
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x_r = (-10, 10)
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y_r = (-20, 20)
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if range_ != '': # 定义了范围
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ranges = range_[1:-1].split('|')
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if len(ranges) in (1, 2): # 定义的范围正确
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x_r = tuple(int(i) for i in ranges[0].split(','))
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if len(ranges) == 2: # 定义了y范围
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y_r = tuple(int(i) for i in ranges[1].split(','))
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self.codes[index] = CrossMore.function_drawing( # 绘制函数图像
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function=lambda x: eval(expression.split('=')[1]), x_range=x_r, y_range=y_r
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)
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else:
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self.codes[index] = '<mark>该平台不支持扩展语法</mark>'
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else: # 是突出块
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self.codes[index] = f'<span class="block">{code}</span>'
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def restore(self, new_text: str) -> str:
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"""
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将渲染好的代码重新放回处理好的正文
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:param new_text: 处理好的正文
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:return: 加上代码的文章
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"""
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for index, item in enumerate(self.codes):
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new_text = re.sub(f'\0\1{index}\1\0', f'{item}', new_text, flags=re.DOTALL)
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return new_text
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class Syllabus:
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"""
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1. 找到提纲
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2 找到符合若干个‘数字+点+数字’且首尾都是数字的行
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每个提纲编号全文只能出现一次
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"""
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def __init__(self, text: str):
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self.text = text
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def __call__(self, *args, **kwargs) -> str:
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return '\n'.join([
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(lambda match, origen:
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re.sub(f'^({match.groups()[0]})', # 按照提纲等级添加#和锚点
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fr'{"#" * len(match.groups()[0].split("."))} \1{{#' + match.groups()[0] + '}', origen)
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if match is not None else origen) # 对于不是提纲的行,直接返回原始字符
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((lambda x: re.match(r'^([\d.]+) ', x) # 判断是否是提纲
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if not any((x.startswith('.'), # 以.开头
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re.search('\. ', x) is not None, # 存在.+空格
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re.search('\.{2,}', x), # 存在连续的.
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))
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else None)(line), line) # 排除.在提纲号开头或结尾的情况
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for line in self.text.splitlines() # 分割并遍历文本的每一行
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])
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class Basic:
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def __init__(self, text: str):
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self.text: str = text
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@staticmethod
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def strong_annotation(text: str) -> str:
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"""
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移除|=强注释=|
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:param text: 原始文本
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:return: 移除强注释后的文本
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"""
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return re.sub('\|=[\s\S]*=\|', '', text, re.DOTALL)
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@staticmethod
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def week_annotation(text: str) -> str:
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"""
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移除 // 弱注释
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:param text: 原始文本
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:return: 移除弱注释后的文本
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"""
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return re.sub('// .*?\n', '\n', text)
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def indent(input_: Union[str, List, Tuple], indent_spaces: int = 4) -> str:
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"""
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给字符串中的每一行前面加上缩进。
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:param input_: 原始字符串，可以包含多行。
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:param indent_spaces: 每行前面要添加的空格数，默认为4。
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:return: 带缩进的新字符串。
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"""
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# 使用字符串的splitlines()方法分割原始字符串为行列表,如果是可迭代对象则直接遍历
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# 遍历行列表，给每行前面加上相应的缩进，并重新组合成字符串
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return "\n".join(
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f"{' ' * indent_spaces}{line}" for line in (lambda x: x.splitlines() if isinstance(x, str) else x)(input_))
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def body(text: str) -> Tuple[str, Dict[str, str]]:
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"""
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渲染正文部分
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:param text: 输入正文
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:return: 输出渲染后的正文
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"""
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text = Basic.week_annotation(text) # 移除弱注释
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text = Syllabus(text)() # 渲染提纲
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text, values = Value(text)() # 提取变量并赋值到文本中
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text = Style(text)() # 渲染字体样式
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text = markdown.markdown(text, extensions=[
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'markdown.extensions.extra', # 扩展语法
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'markdown.extensions.codehilite', # 语法高亮拓展
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'markdown.extensions.toc', # 自动生成目录
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'markdown.extensions.admonition', # 警告扩展
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'markdown.extensions.meta', # 元数据
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]) # 渲染标准markdown
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text = emoji.emojize(text) # 渲染Emoji
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return text, values
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def main(origen: str):
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# 预处理
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origen = Basic.strong_annotation(origen) # 移除强注释
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code_block = CodeBlock(origen) # 获取代码内容
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text = code_block() # 暂时移除代码
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# 处理正文
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text, values = body(text)
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# 后处理
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code_block.rendering(values) # 渲染代码
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return code_block.restore(text) # 放回代码
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if __name__ == '__main__':
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# 开始计时
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start_time = time.perf_counter_ns()
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# 主程序
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with open('README.md', encoding='utf-8') as test:
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cd = main(test.read())
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with open('README.html', 'w', encoding='utf-8') as html:
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html.write(f"""<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>UTF-8编码示例</title>
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{indent(HEAD)}
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<!-- 可以在这里添加其他元数据和CSS链接 -->
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</head>
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<body>
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{indent(BODY)}
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{indent(cd, 4)}
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</body>
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</html>
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""")
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# 停止计时
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end_time = time.perf_counter_ns()
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# 输出用时
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print("运行时间: {:.9f} 秒".format((end_time - start_time) / 1e9))
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