Mercurial > public > sg101
annotate smiley/__init__.py @ 661:15dbe0ccda95
Prevent exceptions when viewing downloads in the admin when the file
doesn't exist on the filesystem. This is usually seen in development
but can also happen in production if the file is missing.
| author | Brian Neal <bgneal@gmail.com> |
|---|---|
| date | Tue, 14 May 2013 21:02:47 -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 |