Mercurial > public > sg101
comparison smiley/utils.py @ 925:98d2388b6bb2
Smiley app refactor for Django 1.7.7 upgrade.
| author | Brian Neal <bgneal@gmail.com> |
|---|---|
| date | Sun, 12 Apr 2015 21:08:56 -0500 |
| parents | smiley/__init__.py@7429c98c8ece |
| children |
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| 924:78b459d4ab17 | 925:98d2388b6bb2 |
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| 1 """ | |
| 2 Smiley classes and functions. | |
| 3 | |
| 4 """ | |
| 5 from django.utils.safestring import SafeData | |
| 6 from django.utils.html import conditional_escape | |
| 7 | |
| 8 from models import Smiley | |
| 9 | |
| 10 | |
| 11 class SmilifyHtml(object): | |
| 12 """ | |
| 13 A class to "smilify" text by replacing text with HTML img tags for smiley | |
| 14 images. | |
| 15 """ | |
| 16 def __init__(self): | |
| 17 self.map = Smiley.objects.get_smiley_map() | |
| 18 | |
| 19 def convert(self, value, autoescape=False): | |
| 20 """ | |
| 21 Converts and returns the supplied text with the HTML version of the | |
| 22 smileys. | |
| 23 """ | |
| 24 if not value: | |
| 25 return u'' | |
| 26 | |
| 27 if not autoescape or isinstance(value, SafeData): | |
| 28 esc = lambda x: x | |
| 29 else: | |
| 30 esc = conditional_escape | |
| 31 | |
| 32 words = value.split() | |
| 33 for i, word in enumerate(words): | |
| 34 if word in self.map: | |
| 35 words[i] = self.map[word] | |
| 36 else: | |
| 37 words[i] = esc(words[i]) | |
| 38 return u' '.join(words) | |
| 39 | |
| 40 | |
| 41 class SmilifyMarkdown(object): | |
| 42 """ | |
| 43 A class to "smilify" text by replacing text with Markdown image syntax for | |
| 44 smiley images. | |
| 45 """ | |
| 46 def __init__(self, relative_urls=True): | |
| 47 self.regexes = Smiley.objects.get_smiley_regexes( | |
| 48 relative_urls=relative_urls) | |
| 49 | |
| 50 def convert(self, s): | |
| 51 """ | |
| 52 Returns a string copy of the input s that has the smiley codes replaced | |
| 53 with Markdown for smiley images. | |
| 54 """ | |
| 55 if not s: | |
| 56 return u'' | |
| 57 | |
| 58 for regex, repl in self.regexes: | |
| 59 s = regex.sub(repl, s) | |
| 60 return s | |
| 61 | |
| 62 | |
| 63 def smilify_html(value, autoescape=False): | |
| 64 """ | |
| 65 A convenience function to "smilify" text by replacing text with HTML | |
| 66 img tags of smilies. | |
| 67 """ | |
| 68 s = SmilifyHtml() | |
| 69 return s.convert(value, autoescape=autoescape) |