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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])
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