annotate smiley/__init__.py @ 697:67f8d49a9377

Cleaned up the code a bit. Separated the S3 stuff out into its own class. This class maybe should be in core. Still want to do some kind of context manager around the temporary file we are creating to ensure it gets deleted.
author Brian Neal <bgneal@gmail.com>
date Sun, 08 Sep 2013 21:02:58 -0500
parents 0729c73d5761
children 7429c98c8ece
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@211 46 def __init__(self):
bgneal@211 47 self.regexes = Smiley.objects.get_smiley_regexes()
bgneal@211 48
bgneal@211 49 def convert(self, s):
bgneal@128 50 """
bgneal@211 51 Returns a string copy of the input s that has the smiley codes replaced
bgneal@211 52 with Markdown for smiley images.
bgneal@128 53 """
bgneal@286 54 if not s:
bgneal@286 55 return u''
bgneal@286 56
bgneal@211 57 for regex, repl in self.regexes:
bgneal@211 58 s = regex.sub(repl, s)
bgneal@211 59 return s
bgneal@128 60
bgneal@124 61
bgneal@128 62 def smilify_html(value, autoescape=False):
bgneal@124 63 """
bgneal@124 64 A convenience function to "smilify" text by replacing text with HTML
bgneal@124 65 img tags of smilies.
bgneal@124 66 """
bgneal@211 67 s = SmilifyHtml()
bgneal@211 68 return s.convert(value, autoescape=autoescape)
bgneal@124 69