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79 lines
2.1 KiB
79 lines
2.1 KiB
#!/usr/bin/env python
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# encoding: utf-8
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"""
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@version: ??
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@author: liangliangyy
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@license: MIT Licence
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@contact: liangliangyy@gmail.com
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@site: https://www.lylinux.org/
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@software: PyCharm
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@file: utils.py
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@time: 2017/1/19 上午2:30
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"""
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from django.core.cache import cache
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from hashlib import md5
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import mistune
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from pygments import highlight
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from pygments.lexers import get_lexer_by_name
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from pygments.formatters import html
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def cache_decorator(expiration=3 * 60):
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def wrapper(func):
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def news(*args, **kwargs):
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unique_str = repr((func, args, kwargs))
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m = md5(unique_str.encode('utf-8'))
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key = m.hexdigest()
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value = cache.get(key)
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if value:
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print('get key: ' + key)
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return value
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else:
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print('set key:' + key)
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value = func(*args, **kwargs)
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cache.set(key, value, expiration)
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return value
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return news
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return wrapper
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def block_code(text, lang, inlinestyles=False, linenos=False):
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if not lang:
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text = text.strip()
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return u'<pre><code>%s</code></pre>\n' % mistune.escape(text)
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try:
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lexer = get_lexer_by_name(lang, stripall=True)
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formatter = html.HtmlFormatter(
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noclasses=inlinestyles, linenos=linenos
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)
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code = highlight(text, lexer, formatter)
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if linenos:
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return '<div class="highlight">%s</div>\n' % code
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return code
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except:
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return '<pre class="%s"><code>%s</code></pre>\n' % (
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lang, mistune.escape(text)
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)
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class BlogMarkDownRenderer(mistune.Renderer):
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def block_code(self, text, lang):
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# renderer has an options
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inlinestyles = self.options.get('inlinestyles')
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linenos = self.options.get('linenos')
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return block_code(text, lang, inlinestyles, linenos)
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class common_markdown():
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@staticmethod
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def get_markdown(value):
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renderer = BlogMarkDownRenderer(inlinestyles=False)
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mdp = mistune.Markdown(escape=True, renderer=renderer)
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return mdp(value)
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