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annotate smiley/__init__.py @ 887:9a15f7c27526

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Actually save model object upon change. This commit was tested on the comments model. Additional logging added. Added check for Markdown image references. Added TODOs after observing behavior on comments.
author Brian Neal <bgneal@gmail.com>
date Tue, 03 Feb 2015 21:09:44 -0600
parents 7429c98c8ece
children 98d2388b6bb2
rev   line source
bgneal@124 1 """
bgneal@211 2 Smiley classes and functions.
bgneal@613 3
bgneal@124 4 """
bgneal@124 5 from django.utils.safestring import SafeData
bgneal@124 6 from django.utils.html import conditional_escape
bgneal@124 7
bgneal@124 8 from smiley.models import Smiley
bgneal@124 9
bgneal@124 10
bgneal@211 11 class SmilifyHtml(object):
bgneal@124 12 """
bgneal@211 13 A class to "smilify" text by replacing text with HTML img tags for smiley
bgneal@211 14 images.
bgneal@124 15 """
bgneal@124 16 def __init__(self):
bgneal@124 17 self.map = Smiley.objects.get_smiley_map()
bgneal@124 18
bgneal@211 19 def convert(self, value, autoescape=False):
bgneal@128 20 """
bgneal@211 21 Converts and returns the supplied text with the HTML version of the
bgneal@211 22 smileys.
bgneal@128 23 """
bgneal@286 24 if not value:
bgneal@286 25 return u''
bgneal@286 26
bgneal@124 27 if not autoescape or isinstance(value, SafeData):
bgneal@124 28 esc = lambda x: x
bgneal@124 29 else:
bgneal@124 30 esc = conditional_escape
bgneal@124 31
bgneal@124 32 words = value.split()
bgneal@124 33 for i, word in enumerate(words):
bgneal@124 34 if word in self.map:
bgneal@211 35 words[i] = self.map[word]
bgneal@124 36 else:
bgneal@124 37 words[i] = esc(words[i])
bgneal@124 38 return u' '.join(words)
bgneal@128 39
bgneal@211 40
bgneal@211 41 class SmilifyMarkdown(object):
bgneal@211 42 """
bgneal@211 43 A class to "smilify" text by replacing text with Markdown image syntax for
bgneal@211 44 smiley images.
bgneal@211 45 """
bgneal@792 46 def __init__(self, relative_urls=True):
bgneal@792 47 self.regexes = Smiley.objects.get_smiley_regexes(
bgneal@792 48 relative_urls=relative_urls)
bgneal@211 49
bgneal@211 50 def convert(self, s):
bgneal@128 51 """
bgneal@211 52 Returns a string copy of the input s that has the smiley codes replaced
bgneal@211 53 with Markdown for smiley images.
bgneal@128 54 """
bgneal@286 55 if not s:
bgneal@286 56 return u''
bgneal@286 57
bgneal@211 58 for regex, repl in self.regexes:
bgneal@211 59 s = regex.sub(repl, s)
bgneal@211 60 return s
bgneal@128 61
bgneal@124 62
bgneal@128 63 def smilify_html(value, autoescape=False):
bgneal@124 64 """
bgneal@124 65 A convenience function to "smilify" text by replacing text with HTML
bgneal@124 66 img tags of smilies.
bgneal@124 67 """
bgneal@211 68 s = SmilifyHtml()
bgneal@211 69 return s.convert(value, autoescape=autoescape)
bgneal@124 70