annotate gpp/core/markup.py @ 490:f0f3966ea44f
For #233, switched to asynchronous loading of the social media sharing javascript. Also switched to Facebook's javascript SDK instead of using an iframe for the like/share button.
| author |
Brian Neal <bgneal@gmail.com> |
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Thu, 20 Oct 2011 00:36:37 +0000 |
| parents |
f54bf3b3bece |
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1 """
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2 Markup related utitlities useful for the entire project.
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3 """
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4 import markdown as _markdown
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5 from django.utils.encoding import force_unicode
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6
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7 from smiley import SmilifyMarkdown
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8
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9 class Markdown(object):
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10 """
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11 This is a thin wrapper around the Markdown class which deals with the
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12 differences in Markdown versions on the production and development server.
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13 This code was inspired by the code in
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14 django/contrib/markup/templatetags/markup.py.
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15 Currently, we only have to worry about Markdown 1.6b and 2.0.
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16 """
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17 def __init__(self, safe_mode='escape'):
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18 # Unicode support only in markdown v1.7 or above. Version_info
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19 # exists only in markdown v1.6.2rc-2 or above.
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20 self.unicode_support = getattr(_markdown, "version_info", None) >= (1, 7)
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21 self.md = _markdown.Markdown(safe_mode=safe_mode,
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22 extensions=['urlize', 'nl2br', 'del'])
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23
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24 def convert(self, s):
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25 if self.unicode_support:
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26 return self.md.convert(force_unicode(s))
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27 else:
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28 return force_unicode(self.md.convert(s))
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29
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30
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31 def markdown(s):
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32 """
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33 A convenience function for one-off markdown jobs.
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34 """
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35 md = Markdown()
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36 return md.convert(s)
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37
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38
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39 class SiteMarkup(object):
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40 """
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41 This class provides site markup by combining markdown and
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42 our own smiley markup.
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43 """
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44 def __init__(self):
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45 self.md = Markdown()
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46 self.smiley = SmilifyMarkdown()
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47
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48 def convert(self, s):
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49 return self.md.convert(self.smiley.convert(s))
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50
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51
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52 def site_markup(s):
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53 """
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54 Convenience function for one-off site markup jobs.
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55 """
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56 sm = SiteMarkup()
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57 return sm.convert(s)
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