def snippet_diff(request, template_name='snippet/snippet_diff.djhtml'):
if request.GET.get('a').isdigit() and request.GET.get('b').isdigit():
try:
fileA = Snippet.objects.get(pk=int(request.GET.get('a')))
fileB = Snippet.objects.get(pk=int(request.GET.get('b')))
except ObjectDoesNotExist:
return HttpResponseBadRequest(u'Selected file(s) does not exist.')
else:
return HttpResponseBadRequest(u'You must select two snippets.')
if fileA.content != fileB.content:
d = difflib.unified_diff(
fileA.content.splitlines(),
fileB.content.splitlines(),
'Original',
'Current',
lineterm=''
)
difftext = '\n'.join(d)
difftext = pygmentize(difftext, 'diff')
else:
difftext = _(u'No changes were made between this two files.')
template_context = {
'difftext': difftext,
'fileA': fileA,
'fileB': fileB,
}
return render_to_response(
template_name,
template_context,
RequestContext(request)
)
def save(self, *args, **kwargs):
if not self.pk:
self.published = datetime.datetime.now()
self.secret_id = generate_secret_id()
self.content_highlighted = pygmentize(self.content, self.lexer)
super(Snippet, self).save(*args, **kwargs)
