Mercurial > public > sg101
annotate smiley/utils.py @ 1119:837808b5dff3
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| author | Brian Neal <bgneal@gmail.com> |
|---|---|
| date | Fri, 29 Jul 2016 19:02:46 -0500 |
| parents | 98d2388b6bb2 |
| children |
| 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@925 | 8 from 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) |