--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/forms/util.py	Wed Jun 02 18:57:35 2010 +0200
@@ -0,0 +1,54 @@
+from django.utils.html import conditional_escape
+from django.utils.encoding import StrAndUnicode, force_unicode
+from django.utils.safestring import mark_safe
+
+# Import ValidationError so that it can be imported from this
+# module to maintain backwards compatibility.
+from django.core.exceptions import ValidationError
+
+def flatatt(attrs):
+    """
+    Convert a dictionary of attributes to a single string.
+    The returned string will contain a leading space followed by key="value",
+    XML-style pairs.  It is assumed that the keys do not need to be XML-escaped.
+    If the passed dictionary is empty, then return an empty string.
+    """
+    return u''.join([u' %s="%s"' % (k, conditional_escape(v)) for k, v in attrs.items()])
+
+class ErrorDict(dict, StrAndUnicode):
+    """
+    A collection of errors that knows how to display itself in various formats.
+
+    The dictionary keys are the field names, and the values are the errors.
+    """
+    def __unicode__(self):
+        return self.as_ul()
+
+    def as_ul(self):
+        if not self: return u''
+        return mark_safe(u'<ul class="errorlist">%s</ul>'
+                % ''.join([u'<li>%s%s</li>' % (k, force_unicode(v))
+                    for k, v in self.items()]))
+
+    def as_text(self):
+        return u'\n'.join([u'* %s\n%s' % (k, u'\n'.join([u'  * %s' % force_unicode(i) for i in v])) for k, v in self.items()])
+
+class ErrorList(list, StrAndUnicode):
+    """
+    A collection of errors that knows how to display itself in various formats.
+    """
+    def __unicode__(self):
+        return self.as_ul()
+
+    def as_ul(self):
+        if not self: return u''
+        return mark_safe(u'<ul class="errorlist">%s</ul>'
+                % ''.join([u'<li>%s</li>' % conditional_escape(force_unicode(e)) for e in self]))
+
+    def as_text(self):
+        if not self: return u''
+        return u'\n'.join([u'* %s' % force_unicode(e) for e in self])
+
+    def __repr__(self):
+        return repr([force_unicode(e) for e in self])
+