markdown: add linkify extension
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@ -16,7 +16,7 @@ markdown_tags = [
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markdown_attrs = {
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"*": ["id", "class"],
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"img": ["src", "alt", "title"],
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"a": ["href", "alt", "title"],
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"a": ["href", "alt", "title", "rel"],
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"form": ["action", "method", "enctype"],
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"input": ["id", "name", "type", "value"],
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"label": ["for"],
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@ -10,6 +10,7 @@ from app.utils.bleach_allowlist import markdown_tags, markdown_attrs
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from app.utils.markdown_extensions.pclinks import PCLinkExtension
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from app.utils.markdown_extensions.hardbreaks import HardBreakExtension
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from app.utils.markdown_extensions.escape_html import EscapeHtmlExtension
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from app.utils.markdown_extensions.linkify import LinkifyExtension
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@app.template_filter('md')
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@ -29,6 +30,7 @@ def md(text):
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EscapeHtmlExtension(),
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FootnoteExtension(UNIQUE_IDS=True),
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HardBreakExtension(),
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LinkifyExtension(),
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TocExtension(baselevel=2),
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PCLinkExtension(),
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]
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@ -0,0 +1,56 @@
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# The MIT License (MIT)
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#
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# Copyright (c) 2013 Raitis Stengrevics
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# https://github.com/daGrevis/mdx_linkify
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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
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# all 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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from bleach.linkifier import Linker
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from markdown.postprocessors import Postprocessor
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from markdown.extensions import Extension
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class LinkifyExtension(Extension):
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def __init__(self, **kwargs):
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self.config = {
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'linker_options': [{}, 'Options for bleach.linkifier.Linker'],
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}
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super(LinkifyExtension, self).__init__(**kwargs)
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def extendMarkdown(self, md):
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md.postprocessors.register(
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LinkifyPostprocessor(
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md,
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self.getConfig('linker_options'),
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),
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"linkify",
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50,
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)
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class LinkifyPostprocessor(Postprocessor):
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def __init__(self, md, linker_options):
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super(LinkifyPostprocessor, self).__init__(md)
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linker_options.setdefault("skip_tags", ["code"])
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self._linker_options = linker_options
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def run(self, text):
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linker = Linker(**self._linker_options)
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return linker.linkify(text)
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