Sith/core/markdown.py

169 lines
4.3 KiB
Python

import re
from mistune import Renderer, InlineGrammar, InlineLexer, Markdown
from django.core.urlresolvers import reverse_lazy, reverse
class SithRenderer(Renderer):
def file_link(self, id, suffix):
return reverse('core:file_detail', kwargs={'file_id': id}) + suffix
def exposant(self, text):
return """<sup>%s</sup>""" % text
def indice(self, text):
return """<sub>%s</sub>""" % text
def underline(self, text):
return """<span class="underline">%s</span>""" % text
class SithInlineGrammar(InlineGrammar):
double_emphasis = re.compile(
r'^\*{2}([\s\S]+?)\*{2}(?!\*)' # **word**
)
emphasis = re.compile(
r'^\*((?:\*\*|[^\*])+?)\*(?!\*)' # *word*
)
underline = re.compile(
r'^_{2}([\s\S]+?)_{2}(?!_)' # __word__
)
exposant = re.compile( # FIXME Does not work for now
r'^\^([\s\S]+?)\^' # ^text^
# r'|' # FIXME doesn't properly works like this
# r'^\^(\S+)' # ^word
)
indice = re.compile(
r'^_([\s\S]+?)_' # _text_ (^` hack, because no other solution were found :/ this sadly prevent code in indices)
# r'|' # FIXME doesn't properly works like this
# r'^_(\S+)' # _word
)
class SithInlineLexer(InlineLexer):
grammar_class = SithInlineGrammar
default_rules = [
'escape',
'inline_html',
'autolink',
'url',
'footnote',
'link',
'reflink',
'nolink',
'exposant',
'double_emphasis',
'emphasis',
'underline',
'indice',
'code',
'linebreak',
'strikethrough',
'text',
]
inline_html_rules = [
'escape',
'autolink',
'url',
'link',
'reflink',
'nolink',
'exposant',
'double_emphasis',
'emphasis',
'underline',
'indice',
'code',
'linebreak',
'strikethrough',
'text',
]
def output_underline(self, m):
text = m.group(1)
return self.renderer.underline(text)
def output_exposant(self, m):
text = m.group(1)
return self.renderer.exposant(text)
def output_indice(self, m):
text = m.group(1)
return self.renderer.indice(text)
# Double emphasis rule changed
def output_double_emphasis(self, m):
text = m.group(1)
text = self.output(text)
return self.renderer.double_emphasis(text)
# Emphasis rule changed
def output_emphasis(self, m):
text = m.group(1)
text = self.output(text)
return self.renderer.emphasis(text)
def _process_link(self, m, link, title=None):
try: # Add page:// support for links
page = re.compile(
r'^page://(\S*)' # page://nom_de_ma_page
)
match = page.search(link)
page = match.group(1) or ""
link = reverse('core:page', kwargs={'page_name': page})
except: pass
try: # Add file:// support for links
file_link = re.compile(
r'^file://(\d*)/?(\S*)?' # file://4000/download
)
match = file_link.search(link)
id = match.group(1)
suffix = match.group(2) or ""
link = reverse('core:file_detail', kwargs={'file_id': id}) + suffix
except: pass
return super(SithInlineLexer, self)._process_link(m, link, title)
renderer = SithRenderer(escape=True)
inline = SithInlineLexer(renderer)
markdown = Markdown(renderer, inline=inline)
if __name__ == "__main__":
print(markdown.inline.default_rules)
print(markdown.inline.inline_html_rules)
text = """
## Basique
* Mettre le texte en **gras** : `**texte**`
* Mettre le texte en *italique* : `*texte*`
* __Souligner__ le texte : `__texte__`
* ~~Barrer du texte~~ : `~~texte~~`
* Mettre ^du texte^ en ^exposant^ : `^mot` ou `^texte^`
* _Mettre du texte_ en _indice_ : `_mot` ou `_texte_`
* Pied de page [^en pied de page]
## Blocs de citations
Un bloc de citation se crée ainsi :
```
> Ceci est
> un bloc de
> citation
```
> Ceci est
> un bloc de
> citation
Il est possible d'intégrer de la syntaxe Markdown-AE dans un tel bloc.
Petit *test* _sur_ ^une^ **seule** ^ligne pour voir^
"""
print(markdown(text))