46 lines
1.8 KiB
Python
46 lines
1.8 KiB
Python
# The MIT License (MIT)
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#
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# Copyright (c) 2014 Selcuk Ayguney
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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"""
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URLify Extension for Python-Markdown
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=====================================
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Converts URLs in the markdown text to clickable links.
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"""
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import re
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from markdown.preprocessors import Preprocessor
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from markdown.extensions import Extension
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urlfinder = re.compile(r'((([A-Za-z]{3,9}:(?:\/\/)?)(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+(:[0-9]+)?|'
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r'(?:www\.|[\-;:&=\+\$,\w]+@)[A-Za-z0-9\.\-]+)((?:/[\+~%/\.\w\-_]*)?\??'
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r'(?:[\-\+=&;%@\.\w_]*)#?(?:[\.!/\\\w]*))?)')
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class URLify(Preprocessor):
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def run(self, lines):
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return [urlfinder.sub(r'<\1>', line) for line in lines]
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class URLifyExtension(Extension):
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def extendMarkdown(self, md, md_globals):
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md.preprocessors.add('urlify', URLify(md), '_end')
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