355 lines
11 KiB
Python
355 lines
11 KiB
Python
from typing import *
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import re
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class Header:
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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):
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"""
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渲染标题
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:return: 处理后的文本
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"""
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h6 = re.sub(r'###### (.*?)\n', r'<h6>\1</h6>\n', self.text) # H6
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h5 = re.sub(r'##### (.*?)\n', r'<h5>\1</h5>\n', h6) # H5
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h4 = re.sub(r'#### (.*?)\n', r'<h4>\1</h4>\n', h5) # H4
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h3 = re.sub(r'### (.*?)\n', r'<h3>\1</h3>\n', h4) # H3
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h2 = re.sub(r'## (.*?)\n', r'<h2>\1</h2>\n', h3) # H2
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h1 = re.sub(r'# (.*?)\n', r'<h1>\1</h1>\n', h2) # H1
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return h1
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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 italic(self):
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"""
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斜体
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:return:
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"""
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self.text = re.sub(r'\*([^*\n]+)\*', r'<i>\1</i>', self.text)
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def bold(self):
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"""
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粗体
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:return:
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"""
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self.text = re.sub(r'\*\*([^*\n]+)\*\*', r'<b>\1</b>', self.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 __call__(self, *args, **kwargs):
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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:
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"""
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self.bold()
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self.italic()
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self.strikethrough()
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self.underline()
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self.highlight()
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return self.text
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class Function:
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"""
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添加特殊功能
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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 link(self):
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self.text = re.sub(r'\[([^\[\]\n]+)]\(([^()\n]+)\)', r'<a href="\2">\1</a>', self.text)
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def __call__(self, *args, **kwargs):
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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:
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"""
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self.link()
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return self.text
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class Value:
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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|$)', text)
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} # 从text中提取所有变量并转换成字典
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def __call__(self, *args, **kwargs) -> Tuple[str, Dict[str, str]]:
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"""
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将所有变量赋值并移除变量定义
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:param args:
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:param kwargs:
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:return: 赋值后的正文
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"""
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text = self.text
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for k, v in self.values.items():
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text = re.sub(r'\{' + k + '} ?= ?(.+?)(?=\n|$)', '', 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):
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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'\{[^$]*}', code): # 是变量
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# 给变量赋值
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key = re.findall(r'\{([^}]+)}', code)[0] # 查找变量名
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code = re.sub(r'\{' + key + '}', fr'{values[key]}', code)
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self.codes[index] = code # 给变量赋值
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if re.search(r'\n', code): # 是多行代码
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head = re.findall(r'(.*?)\n', code)[0]
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if head in ('', 'yaml'):
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self.codes[index] = f'<pre><code class="language-yaml">{code}</code></pre>'
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elif head in ('shell', 'python'):
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self.codes[index] = f'<pre><code class="language-{head}">{re.sub(f"({head})", "", code)}</code></pre>'
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elif re.match(r'\$[^$]*\$', 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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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):
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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 Escape:
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"""
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转义\后字符
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"""
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def __init__(self, text: str):
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"""
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找出转义符并转义
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:param text: 输入的文本
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"""
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self.text = text
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self.escapes = {
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i: f'\0\1\2{i}\2\1\0' for i in re.findall(r'\\(.)', text)
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} # 找出要转义的字符
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print(self.escapes)
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def __call__(self, *args, **kwargs):
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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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# TODO
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for index, item in enumerate(self.escapes): # 替换代码块为-@@-(ID)-@@-
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self.text = re.sub(fr'{index}', f'\0\1\2{index}\2\1\0', self.text) # 同时转译特殊字符
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return self.text
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def restore(self, new_text: 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.escapes):
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new_text = re.sub(fr'-@@-{index}-@@-', f'{item}', new_text, flags=re.DOTALL)
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return new_text
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class Cite:
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def __init__(self, text):
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self.text = text
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def __call__(self, *args, **kwargs) -> str:
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self.text = re.sub('> (.*?) --\[(.*?)]\n', r'<blockquote>\1<footer><cite>\2</cite></footer></blockquote>', self.text) # 渲染有来源的引用
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self.text = re.sub('> (.*?)\n', r'<blockquote>\1</blockquote>\n', self.text) # 渲染没有来源的引用
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return self.text
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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)
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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', '', text)
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def paragraph(self):
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"""
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为普通的行套上段落标签
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"""
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# TODO 有点问题
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self.text = re.sub(r'<p>(<.+?>.*?<.+?>)</p>\n',
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r'\1\n', # 移除已被标签包裹的行的额外的<p>标签
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'\n'.join(
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[
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f'<p>{line}</p>' if not re.search('\0.+?\0', line) else line # 识别-@@-n-@@-并保留
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for line in self.text.splitlines() # 把所有非空的行都套上<p>标签
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if not re.search(r'^\s*\n?$', line) # 识别空行或空白行
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]
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)
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)
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def __call__(self, *args, **kwargs):
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self.paragraph()
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return self.text
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def add_indent_to_string(input_string: str, indent_spaces: int = 4):
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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_string: 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
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lines = input_string.splitlines()
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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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indented_string = "\n".join(f"{' ' * indent_spaces}{line}" for line in lines)
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return indented_string
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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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Escape(text)
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text = Basic.week_annotation(text) # 移除弱注释
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text, values = Value(text)() # 提取变量并赋值到文本中
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text = Header(text)() # 渲染标题
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text = Style(text)() # 渲染字体样式
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text = Function(text)() # 渲染特殊功能
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text = Cite(text)() # 渲染引用
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text = Basic(text)() # 渲染基础格式
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# text = Basic.paragraph(text) # 渲染段落
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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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with open('test.md', encoding='utf-8') as test:
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cd = main(test.read())
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with open('test.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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<script type="text/javascript" async
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src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-MML-AM_CHTML">
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</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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<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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<!-- 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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{add_indent_to_string(cd, 4)}
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</body>
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</html>
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""")
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