1 files changed, 34 insertions, 0 deletions
diff --git a/lib/utils.py b/lib/utils.py
new file mode 100644
index 00000000..59df963b
--- /dev/null
+++ b/lib/utils.py
@@ -0,0 +1,34 @@
+from django.core import validators
+from django.conf import settings
+from django.core.cache import cache
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+
+def validate(errdict, fieldname, fieldval, validator, blankallowed, request):
+    """
+    A helper function that allows easy access to Django's validators without
+    going through a Manipulator object.  Will return a dict of all triggered
+    errors.
+    """
+    if blankallowed and not fieldval:
+        return
+    alldata = ' '.join(request.POST.values()) + ' '.join(request.GET.values())
+    try:
+        validator(fieldval, alldata)
+    except validators.ValidationError, e:
+        if not errdict.has_key(fieldname): 
+            errdict[fieldname] = []
+        errdict[fieldname].append(e)
+
+def prune_cache(django_page_url):
+    if not settings.CACHE:
+        return
+    cache_prefix = 'views.decorators.cache.cache_page.'
+    cache_prefix += settings.CACHE_MIDDLEWARE_KEY_PREFIX + '.'
+    cache_postfix = '.d41d8cd98f00b204e9800998ecf8427e'
+    cache.delete('%s%s%s' % (cache_prefix,django_page_url,cache_postfix))
+
+def render_response(req, *args, **kwargs):
+    kwargs['context_instance'] = RequestContext(req)
+    return render_to_response(*args, **kwargs)
+