Fixed #3457 -- Allow overridding of error messages for newforms Fields.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@6625 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Gary Wilson Jr
parent
ee49e934d9
commit
26ea06b0ab
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@ -16,7 +16,7 @@ try:
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except NameError:
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from sets import Set as set
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from django.utils.translation import ugettext
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from django.utils.translation import ugettext_lazy
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from django.utils.encoding import StrAndUnicode, smart_unicode
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from util import ErrorList, ValidationError
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@ -41,11 +41,16 @@ EMPTY_VALUES = (None, '')
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class Field(object):
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widget = TextInput # Default widget to use when rendering this type of Field.
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hidden_widget = HiddenInput # Default widget to use when rendering this as "hidden".
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default_error_messages = {
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'required': ugettext_lazy(u'This field is required.'),
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'invalid': ugettext_lazy(u'Enter a valid value.'),
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}
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# Tracks each time a Field instance is created. Used to retain order.
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creation_counter = 0
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def __init__(self, required=True, widget=None, label=None, initial=None, help_text=None):
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def __init__(self, required=True, widget=None, label=None, initial=None,
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help_text=None, error_messages=None):
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# required -- Boolean that specifies whether the field is required.
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# True by default.
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# widget -- A Widget class, or instance of a Widget class, that should
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@ -78,6 +83,20 @@ class Field(object):
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self.creation_counter = Field.creation_counter
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Field.creation_counter += 1
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self.error_messages = self._build_error_messages(error_messages)
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def _build_error_messages(self, extra_error_messages):
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error_messages = {}
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def get_default_error_messages(klass):
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for base_class in klass.__bases__:
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get_default_error_messages(base_class)
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if hasattr(klass, 'default_error_messages'):
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error_messages.update(klass.default_error_messages)
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get_default_error_messages(self.__class__)
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if extra_error_messages:
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error_messages.update(extra_error_messages)
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return error_messages
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def clean(self, value):
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"""
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Validates the given value and returns its "cleaned" value as an
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@ -86,7 +105,7 @@ class Field(object):
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Raises ValidationError for any errors.
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"""
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if self.required and value in EMPTY_VALUES:
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raise ValidationError(ugettext(u'This field is required.'))
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raise ValidationError(self.error_messages['required'])
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return value
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def widget_attrs(self, widget):
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@ -104,6 +123,11 @@ class Field(object):
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return result
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class CharField(Field):
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default_error_messages = {
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'max_length': ugettext_lazy(u'Ensure this value has at most %(max)d characters (it has %(length)d).'),
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'min_length': ugettext_lazy(u'Ensure this value has at least %(min)d characters (it has %(length)d).'),
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}
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def __init__(self, max_length=None, min_length=None, *args, **kwargs):
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self.max_length, self.min_length = max_length, min_length
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super(CharField, self).__init__(*args, **kwargs)
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@ -116,9 +140,9 @@ class CharField(Field):
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value = smart_unicode(value)
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value_length = len(value)
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if self.max_length is not None and value_length > self.max_length:
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raise ValidationError(ugettext(u'Ensure this value has at most %(max)d characters (it has %(length)d).') % {'max': self.max_length, 'length': value_length})
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raise ValidationError(self.error_messages['max_length'] % {'max': self.max_length, 'length': value_length})
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if self.min_length is not None and value_length < self.min_length:
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raise ValidationError(ugettext(u'Ensure this value has at least %(min)d characters (it has %(length)d).') % {'min': self.min_length, 'length': value_length})
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raise ValidationError(self.error_messages['min_length'] % {'min': self.min_length, 'length': value_length})
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return value
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def widget_attrs(self, widget):
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@ -127,6 +151,12 @@ class CharField(Field):
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return {'maxlength': str(self.max_length)}
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class IntegerField(Field):
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default_error_messages = {
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'invalid': ugettext_lazy(u'Enter a whole number.'),
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'max_value': ugettext_lazy(u'Ensure this value is less than or equal to %s.'),
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'min_value': ugettext_lazy(u'Ensure this value is greater than or equal to %s.'),
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}
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def __init__(self, max_value=None, min_value=None, *args, **kwargs):
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self.max_value, self.min_value = max_value, min_value
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super(IntegerField, self).__init__(*args, **kwargs)
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@ -142,14 +172,20 @@ class IntegerField(Field):
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try:
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value = int(str(value))
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except (ValueError, TypeError):
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raise ValidationError(ugettext(u'Enter a whole number.'))
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raise ValidationError(self.error_messages['invalid'])
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if self.max_value is not None and value > self.max_value:
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raise ValidationError(ugettext(u'Ensure this value is less than or equal to %s.') % self.max_value)
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raise ValidationError(self.error_messages['max_value'] % self.max_value)
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if self.min_value is not None and value < self.min_value:
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raise ValidationError(ugettext(u'Ensure this value is greater than or equal to %s.') % self.min_value)
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raise ValidationError(self.error_messages['min_value'] % self.min_value)
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return value
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class FloatField(Field):
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default_error_messages = {
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'invalid': ugettext_lazy(u'Enter a number.'),
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'max_value': ugettext_lazy(u'Ensure this value is less than or equal to %s.'),
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'min_value': ugettext_lazy(u'Ensure this value is greater than or equal to %s.'),
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}
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def __init__(self, max_value=None, min_value=None, *args, **kwargs):
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self.max_value, self.min_value = max_value, min_value
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Field.__init__(self, *args, **kwargs)
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@ -165,14 +201,23 @@ class FloatField(Field):
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try:
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value = float(value)
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except (ValueError, TypeError):
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raise ValidationError(ugettext('Enter a number.'))
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raise ValidationError(self.error_messages['invalid'])
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if self.max_value is not None and value > self.max_value:
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raise ValidationError(ugettext('Ensure this value is less than or equal to %s.') % self.max_value)
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raise ValidationError(self.error_messages['max_value'] % self.max_value)
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if self.min_value is not None and value < self.min_value:
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raise ValidationError(ugettext('Ensure this value is greater than or equal to %s.') % self.min_value)
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raise ValidationError(self.error_messages['min_value'] % self.min_value)
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return value
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class DecimalField(Field):
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default_error_messages = {
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'invalid': ugettext_lazy(u'Enter a number.'),
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'max_value': ugettext_lazy(u'Ensure this value is less than or equal to %s.'),
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'min_value': ugettext_lazy(u'Ensure this value is greater than or equal to %s.'),
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'max_digits': ugettext_lazy('Ensure that there are no more than %s digits in total.'),
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'max_decimal_places': ugettext_lazy('Ensure that there are no more than %s decimal places.'),
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'max_whole_digits': ugettext_lazy('Ensure that there are no more than %s digits before the decimal point.')
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}
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def __init__(self, max_value=None, min_value=None, max_digits=None, decimal_places=None, *args, **kwargs):
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self.max_value, self.min_value = max_value, min_value
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self.max_digits, self.decimal_places = max_digits, decimal_places
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@ -192,20 +237,20 @@ class DecimalField(Field):
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try:
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value = Decimal(value)
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except DecimalException:
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raise ValidationError(ugettext('Enter a number.'))
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raise ValidationError(self.error_messages['invalid'])
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pieces = str(value).lstrip("-").split('.')
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decimals = (len(pieces) == 2) and len(pieces[1]) or 0
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digits = len(pieces[0])
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if self.max_value is not None and value > self.max_value:
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raise ValidationError(ugettext('Ensure this value is less than or equal to %s.') % self.max_value)
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raise ValidationError(self.error_messages['max_value'] % self.max_value)
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if self.min_value is not None and value < self.min_value:
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raise ValidationError(ugettext('Ensure this value is greater than or equal to %s.') % self.min_value)
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raise ValidationError(self.error_messages['min_value'] % self.min_value)
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if self.max_digits is not None and (digits + decimals) > self.max_digits:
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raise ValidationError(ugettext('Ensure that there are no more than %s digits in total.') % self.max_digits)
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raise ValidationError(self.error_messages['max_digits'] % self.max_digits)
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if self.decimal_places is not None and decimals > self.decimal_places:
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raise ValidationError(ugettext('Ensure that there are no more than %s decimal places.') % self.decimal_places)
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raise ValidationError(self.error_messages['max_decimal_places'] % self.decimal_places)
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if self.max_digits is not None and self.decimal_places is not None and digits > (self.max_digits - self.decimal_places):
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raise ValidationError(ugettext('Ensure that there are no more than %s digits before the decimal point.') % (self.max_digits - self.decimal_places))
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raise ValidationError(self.error_messages['max_whole_digits'] % (self.max_digits - self.decimal_places))
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return value
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DEFAULT_DATE_INPUT_FORMATS = (
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@ -217,6 +262,10 @@ DEFAULT_DATE_INPUT_FORMATS = (
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)
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class DateField(Field):
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default_error_messages = {
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'invalid': ugettext_lazy(u'Enter a valid date.'),
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}
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def __init__(self, input_formats=None, *args, **kwargs):
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super(DateField, self).__init__(*args, **kwargs)
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self.input_formats = input_formats or DEFAULT_DATE_INPUT_FORMATS
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@ -238,7 +287,7 @@ class DateField(Field):
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return datetime.date(*time.strptime(value, format)[:3])
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except ValueError:
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continue
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raise ValidationError(ugettext(u'Enter a valid date.'))
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raise ValidationError(self.error_messages['invalid'])
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DEFAULT_TIME_INPUT_FORMATS = (
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'%H:%M:%S', # '14:30:59'
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@ -246,6 +295,10 @@ DEFAULT_TIME_INPUT_FORMATS = (
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)
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class TimeField(Field):
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default_error_messages = {
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'invalid': ugettext_lazy(u'Enter a valid time.')
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}
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def __init__(self, input_formats=None, *args, **kwargs):
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super(TimeField, self).__init__(*args, **kwargs)
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self.input_formats = input_formats or DEFAULT_TIME_INPUT_FORMATS
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@ -265,7 +318,7 @@ class TimeField(Field):
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return datetime.time(*time.strptime(value, format)[3:6])
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except ValueError:
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continue
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raise ValidationError(ugettext(u'Enter a valid time.'))
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raise ValidationError(self.error_messages['invalid'])
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DEFAULT_DATETIME_INPUT_FORMATS = (
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'%Y-%m-%d %H:%M:%S', # '2006-10-25 14:30:59'
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@ -281,6 +334,9 @@ DEFAULT_DATETIME_INPUT_FORMATS = (
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class DateTimeField(Field):
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widget = DateTimeInput
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default_error_messages = {
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'invalid': ugettext_lazy(u'Enter a valid date/time.'),
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}
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def __init__(self, input_formats=None, *args, **kwargs):
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super(DateTimeField, self).__init__(*args, **kwargs)
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@ -302,14 +358,14 @@ class DateTimeField(Field):
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# Input comes from a SplitDateTimeWidget, for example. So, it's two
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# components: date and time.
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if len(value) != 2:
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raise ValidationError(ugettext(u'Enter a valid date/time.'))
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raise ValidationError(self.error_messages['invalid'])
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value = '%s %s' % tuple(value)
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for format in self.input_formats:
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try:
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return datetime.datetime(*time.strptime(value, format)[:6])
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except ValueError:
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continue
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raise ValidationError(ugettext(u'Enter a valid date/time.'))
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raise ValidationError(self.error_messages['invalid'])
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class RegexField(CharField):
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def __init__(self, regex, max_length=None, min_length=None, error_message=None, *args, **kwargs):
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@ -318,11 +374,15 @@ class RegexField(CharField):
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error_message is an optional error message to use, if
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'Enter a valid value' is too generic for you.
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"""
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# error_message is just kept for backwards compatibility:
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if error_message:
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error_messages = kwargs.get('error_messages') or {}
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error_messages['invalid'] = error_message
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kwargs['error_messages'] = error_messages
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super(RegexField, self).__init__(max_length, min_length, *args, **kwargs)
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if isinstance(regex, basestring):
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regex = re.compile(regex)
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self.regex = regex
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self.error_message = error_message or ugettext(u'Enter a valid value.')
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def clean(self, value):
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"""
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@ -333,7 +393,7 @@ class RegexField(CharField):
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if value == u'':
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return value
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if not self.regex.search(value):
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raise ValidationError(self.error_message)
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raise ValidationError(self.error_messages['invalid'])
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return value
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email_re = re.compile(
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@ -342,9 +402,13 @@ email_re = re.compile(
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r')@(?:[A-Z0-9-]+\.)+[A-Z]{2,6}$', re.IGNORECASE) # domain
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class EmailField(RegexField):
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default_error_messages = {
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'invalid': ugettext_lazy(u'Enter a valid e-mail address.'),
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}
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def __init__(self, max_length=None, min_length=None, *args, **kwargs):
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RegexField.__init__(self, email_re, max_length, min_length,
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ugettext(u'Enter a valid e-mail address.'), *args, **kwargs)
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RegexField.__init__(self, email_re, max_length, min_length, *args,
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**kwargs)
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try:
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from django.conf import settings
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@ -368,6 +432,12 @@ class UploadedFile(StrAndUnicode):
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class FileField(Field):
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widget = FileInput
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default_error_messages = {
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'invalid': ugettext_lazy(u"No file was submitted. Check the encoding type on the form."),
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'missing': ugettext_lazy(u"No file was submitted."),
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'empty': ugettext_lazy(u"The submitted file is empty."),
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}
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def __init__(self, *args, **kwargs):
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super(FileField, self).__init__(*args, **kwargs)
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@ -378,14 +448,18 @@ class FileField(Field):
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try:
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f = UploadedFile(data['filename'], data['content'])
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except TypeError:
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raise ValidationError(ugettext(u"No file was submitted. Check the encoding type on the form."))
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raise ValidationError(self.error_messages['invalid'])
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except KeyError:
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raise ValidationError(ugettext(u"No file was submitted."))
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raise ValidationError(self.error_messages['missing'])
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if not f.content:
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raise ValidationError(ugettext(u"The submitted file is empty."))
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raise ValidationError(self.error_messages['empty'])
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return f
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class ImageField(FileField):
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default_error_messages = {
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'invalid_image': ugettext_lazy(u"Upload a valid image. The file you uploaded was either not an image or a corrupted image."),
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}
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def clean(self, data):
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"""
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Checks that the file-upload field data contains a valid image (GIF, JPG,
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@ -406,7 +480,7 @@ class ImageField(FileField):
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trial_image = Image.open(StringIO(f.content))
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trial_image.verify()
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except Exception: # Python Imaging Library doesn't recognize it as an image
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raise ValidationError(ugettext(u"Upload a valid image. The file you uploaded was either not an image or a corrupted image."))
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raise ValidationError(self.error_messages['invalid_image'])
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return f
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url_re = re.compile(
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@ -418,9 +492,15 @@ url_re = re.compile(
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r'(?:/?|/\S+)$', re.IGNORECASE)
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class URLField(RegexField):
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default_error_messages = {
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'invalid': ugettext_lazy(u'Enter a valid URL.'),
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'invalid_link': ugettext_lazy(u'This URL appears to be a broken link.'),
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}
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def __init__(self, max_length=None, min_length=None, verify_exists=False,
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validator_user_agent=URL_VALIDATOR_USER_AGENT, *args, **kwargs):
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super(URLField, self).__init__(url_re, max_length, min_length, ugettext(u'Enter a valid URL.'), *args, **kwargs)
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super(URLField, self).__init__(url_re, max_length, min_length, *args,
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**kwargs)
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self.verify_exists = verify_exists
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self.user_agent = validator_user_agent
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@ -445,9 +525,9 @@ class URLField(RegexField):
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req = urllib2.Request(value, None, headers)
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u = urllib2.urlopen(req)
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except ValueError:
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raise ValidationError(ugettext(u'Enter a valid URL.'))
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raise ValidationError(self.error_messages['invalid'])
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except: # urllib2.URLError, httplib.InvalidURL, etc.
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raise ValidationError(ugettext(u'This URL appears to be a broken link.'))
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raise ValidationError(self.error_messages['invalid_link'])
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return value
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class BooleanField(Field):
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@ -474,9 +554,14 @@ class NullBooleanField(BooleanField):
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class ChoiceField(Field):
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widget = Select
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default_error_messages = {
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'invalid_choice': ugettext_lazy(u'Select a valid choice. That choice is not one of the available choices.'),
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}
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def __init__(self, choices=(), required=True, widget=None, label=None, initial=None, help_text=None):
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super(ChoiceField, self).__init__(required, widget, label, initial, help_text)
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def __init__(self, choices=(), required=True, widget=None, label=None,
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initial=None, help_text=None, *args, **kwargs):
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super(ChoiceField, self).__init__(required, widget, label, initial,
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help_text, *args, **kwargs)
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self.choices = choices
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def _get_choices(self):
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@ -502,29 +587,33 @@ class ChoiceField(Field):
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return value
|
||||
valid_values = set([smart_unicode(k) for k, v in self.choices])
|
||||
if value not in valid_values:
|
||||
raise ValidationError(ugettext(u'Select a valid choice. That choice is not one of the available choices.'))
|
||||
raise ValidationError(self.error_messages['invalid_choice'] % {'value': value})
|
||||
return value
|
||||
|
||||
class MultipleChoiceField(ChoiceField):
|
||||
hidden_widget = MultipleHiddenInput
|
||||
widget = SelectMultiple
|
||||
default_error_messages = {
|
||||
'invalid_choice': ugettext_lazy(u'Select a valid choice. %(value)s is not one of the available choices.'),
|
||||
'invalid_list': ugettext_lazy(u'Enter a list of values.'),
|
||||
}
|
||||
|
||||
def clean(self, value):
|
||||
"""
|
||||
Validates that the input is a list or tuple.
|
||||
"""
|
||||
if self.required and not value:
|
||||
raise ValidationError(ugettext(u'This field is required.'))
|
||||
raise ValidationError(self.error_messages['required'])
|
||||
elif not self.required and not value:
|
||||
return []
|
||||
if not isinstance(value, (list, tuple)):
|
||||
raise ValidationError(ugettext(u'Enter a list of values.'))
|
||||
raise ValidationError(self.error_messages['invalid_list'])
|
||||
new_value = [smart_unicode(val) for val in value]
|
||||
# Validate that each value in the value list is in self.choices.
|
||||
valid_values = set([smart_unicode(k) for k, v in self.choices])
|
||||
for val in new_value:
|
||||
if val not in valid_values:
|
||||
raise ValidationError(ugettext(u'Select a valid choice. %s is not one of the available choices.') % val)
|
||||
raise ValidationError(self.error_messages['invalid_choice'] % {'value': val})
|
||||
return new_value
|
||||
|
||||
class ComboField(Field):
|
||||
|
|
@ -567,6 +656,10 @@ class MultiValueField(Field):
|
|||
|
||||
You'll probably want to use this with MultiWidget.
|
||||
"""
|
||||
default_error_messages = {
|
||||
'invalid': ugettext_lazy(u'Enter a list of values.'),
|
||||
}
|
||||
|
||||
def __init__(self, fields=(), *args, **kwargs):
|
||||
super(MultiValueField, self).__init__(*args, **kwargs)
|
||||
# Set 'required' to False on the individual fields, because the
|
||||
|
|
@ -590,18 +683,18 @@ class MultiValueField(Field):
|
|||
if not value or isinstance(value, (list, tuple)):
|
||||
if not value or not [v for v in value if v not in EMPTY_VALUES]:
|
||||
if self.required:
|
||||
raise ValidationError(ugettext(u'This field is required.'))
|
||||
raise ValidationError(self.error_messages['required'])
|
||||
else:
|
||||
return self.compress([])
|
||||
else:
|
||||
raise ValidationError(ugettext(u'Enter a list of values.'))
|
||||
raise ValidationError(self.error_messages['invalid'])
|
||||
for i, field in enumerate(self.fields):
|
||||
try:
|
||||
field_value = value[i]
|
||||
except IndexError:
|
||||
field_value = None
|
||||
if self.required and field_value in EMPTY_VALUES:
|
||||
raise ValidationError(ugettext(u'This field is required.'))
|
||||
raise ValidationError(self.error_messages['required'])
|
||||
try:
|
||||
clean_data.append(field.clean(field_value))
|
||||
except ValidationError, e:
|
||||
|
|
@ -625,8 +718,19 @@ class MultiValueField(Field):
|
|||
raise NotImplementedError('Subclasses must implement this method.')
|
||||
|
||||
class SplitDateTimeField(MultiValueField):
|
||||
default_error_messages = {
|
||||
'invalid_date': ugettext_lazy(u'Enter a valid date.'),
|
||||
'invalid_time': ugettext_lazy(u'Enter a valid time.'),
|
||||
}
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
fields = (DateField(), TimeField())
|
||||
errors = self.default_error_messages.copy()
|
||||
if 'error_messages' in kwargs:
|
||||
errors.update(kwargs['error_messages'])
|
||||
fields = (
|
||||
DateField(error_messages={'invalid': errors['invalid_date']}),
|
||||
TimeField(error_messages={'invalid': errors['invalid_time']}),
|
||||
)
|
||||
super(SplitDateTimeField, self).__init__(fields, *args, **kwargs)
|
||||
|
||||
def compress(self, data_list):
|
||||
|
|
@ -634,16 +738,18 @@ class SplitDateTimeField(MultiValueField):
|
|||
# Raise a validation error if time or date is empty
|
||||
# (possible if SplitDateTimeField has required=False).
|
||||
if data_list[0] in EMPTY_VALUES:
|
||||
raise ValidationError(ugettext(u'Enter a valid date.'))
|
||||
raise ValidationError(self.error_messages['invalid_date'])
|
||||
if data_list[1] in EMPTY_VALUES:
|
||||
raise ValidationError(ugettext(u'Enter a valid time.'))
|
||||
raise ValidationError(self.error_messages['invalid_time'])
|
||||
return datetime.datetime.combine(*data_list)
|
||||
return None
|
||||
|
||||
ipv4_re = re.compile(r'^(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}$')
|
||||
|
||||
class IPAddressField(RegexField):
|
||||
default_error_messages = {
|
||||
'invalid': ugettext_lazy(u'Enter a valid IPv4 address.'),
|
||||
}
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
RegexField.__init__(self, ipv4_re,
|
||||
error_message=ugettext(u'Enter a valid IPv4 address.'),
|
||||
*args, **kwargs)
|
||||
super(IPAddressField, self).__init__(ipv4_re, *args, **kwargs)
|
||||
|
|
|
|||
|
|
@ -42,13 +42,18 @@ class ErrorList(list, StrAndUnicode):
|
|||
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])
|
||||
|
||||
class ValidationError(Exception):
|
||||
def __init__(self, message):
|
||||
"ValidationError can be passed a string or a list."
|
||||
"""
|
||||
ValidationError can be passed any object that can be printed (usually
|
||||
a string) or a list of objects.
|
||||
"""
|
||||
if isinstance(message, list):
|
||||
self.messages = ErrorList([smart_unicode(msg) for msg in message])
|
||||
else:
|
||||
assert isinstance(message, (basestring, Promise)), ("%s should be a basestring or lazy translation" % repr(message))
|
||||
message = smart_unicode(message)
|
||||
self.messages = ErrorList([message])
|
||||
|
||||
|
|
@ -58,4 +63,3 @@ class ValidationError(Exception):
|
|||
# AttributeError: ValidationError instance has no attribute 'args'
|
||||
# See http://www.python.org/doc/current/tut/node10.html#handling
|
||||
return repr(self.messages)
|
||||
|
||||
|
|
|
|||
|
|
@ -146,7 +146,7 @@ class TestCase(unittest.TestCase):
|
|||
" context %d does not contain the"
|
||||
" error '%s' (actual errors: %s)" %
|
||||
(field, form, i, err,
|
||||
list(field_errors)))
|
||||
repr(field_errors)))
|
||||
elif field in context[form].fields:
|
||||
self.fail("The field '%s' on form '%s' in context %d"
|
||||
" contains no errors" % (field, form, i))
|
||||
|
|
|
|||
|
|
@ -1078,6 +1078,30 @@ fields. We've specified ``auto_id=False`` to simplify the output::
|
|||
<p>Sender: <input type="text" name="sender" /> A valid e-mail address, please.</p>
|
||||
<p>Cc myself: <input type="checkbox" name="cc_myself" /></p>
|
||||
|
||||
``error_messages``
|
||||
~~~~~~~~~~~~~~~~~~
|
||||
|
||||
**New in Django development version**
|
||||
|
||||
The ``error_messages`` argument lets you override the default messages which the
|
||||
field will raise. Pass in a dictionary with keys matching the error messages you
|
||||
want to override. For example::
|
||||
|
||||
>>> generic = forms.CharField()
|
||||
>>> generic.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'This field is required.']
|
||||
|
||||
>>> name = forms.CharField(error_messages={'required': 'Please enter your name'})
|
||||
>>> name.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'Please enter your name']
|
||||
|
||||
In the `built-in Field classes`_ section below, each Field defines the error
|
||||
message keys it uses.
|
||||
|
||||
Dynamic initial values
|
||||
----------------------
|
||||
|
||||
|
|
@ -1143,6 +1167,7 @@ For each field, we describe the default widget used if you don't specify
|
|||
* Normalizes to: A Python ``True`` or ``False`` value.
|
||||
* Validates that the check box is checked (i.e. the value is ``True``) if
|
||||
the field has ``required=True``.
|
||||
* Error message keys: ``required``
|
||||
|
||||
**New in Django development version:** The empty value for a ``CheckboxInput``
|
||||
(and hence the standard ``BooleanField``) has changed to return ``False``
|
||||
|
|
@ -1162,6 +1187,7 @@ instead of ``None`` in the development version.
|
|||
* Normalizes to: A Unicode object.
|
||||
* Validates ``max_length`` or ``min_length``, if they are provided.
|
||||
Otherwise, all inputs are valid.
|
||||
* Error message keys: ``required``, ``max_length``, ``min_length``
|
||||
|
||||
Has two optional arguments for validation, ``max_length`` and ``min_length``.
|
||||
If provided, these arguments ensure that the string is at most or at least the
|
||||
|
|
@ -1174,6 +1200,7 @@ given length.
|
|||
* Empty value: ``''`` (an empty string)
|
||||
* Normalizes to: A Unicode object.
|
||||
* Validates that the given value exists in the list of choices.
|
||||
* Error message keys: ``required``, ``invalid_choice``
|
||||
|
||||
Takes one extra argument, ``choices``, which is an iterable (e.g., a list or
|
||||
tuple) of 2-tuples to use as choices for this field.
|
||||
|
|
@ -1186,6 +1213,7 @@ tuple) of 2-tuples to use as choices for this field.
|
|||
* Normalizes to: A Python ``datetime.date`` object.
|
||||
* Validates that the given value is either a ``datetime.date``,
|
||||
``datetime.datetime`` or string formatted in a particular date format.
|
||||
* Error message keys: ``required``, ``invalid``
|
||||
|
||||
Takes one optional argument, ``input_formats``, which is a list of formats used
|
||||
to attempt to convert a string to a valid ``datetime.date`` object.
|
||||
|
|
@ -1206,6 +1234,7 @@ If no ``input_formats`` argument is provided, the default input formats are::
|
|||
* Normalizes to: A Python ``datetime.datetime`` object.
|
||||
* Validates that the given value is either a ``datetime.datetime``,
|
||||
``datetime.date`` or string formatted in a particular datetime format.
|
||||
* Error message keys: ``required``, ``invalid``
|
||||
|
||||
Takes one optional argument, ``input_formats``, which is a list of formats used
|
||||
to attempt to convert a string to a valid ``datetime.datetime`` object.
|
||||
|
|
@ -1235,6 +1264,9 @@ If no ``input_formats`` argument is provided, the default input formats are::
|
|||
* Normalizes to: A Python ``decimal``.
|
||||
* Validates that the given value is a decimal. Leading and trailing
|
||||
whitespace is ignored.
|
||||
* Error message keys: ``required``, ``invalid``, ``max_value``,
|
||||
``min_value``, ``max_digits``, ``max_decimal_places``,
|
||||
``max_whole_digits``
|
||||
|
||||
Takes four optional arguments: ``max_value``, ``min_value``, ``max_digits``,
|
||||
and ``decimal_places``. The first two define the limits for the fields value.
|
||||
|
|
@ -1251,6 +1283,7 @@ decimal places permitted.
|
|||
* Normalizes to: A Unicode object.
|
||||
* Validates that the given value is a valid e-mail address, using a
|
||||
moderately complex regular expression.
|
||||
* Error message keys: ``required``, ``invalid``
|
||||
|
||||
Has two optional arguments for validation, ``max_length`` and ``min_length``.
|
||||
If provided, these arguments ensure that the string is at most or at least the
|
||||
|
|
@ -1266,6 +1299,7 @@ given length.
|
|||
* Normalizes to: An ``UploadedFile`` object that wraps the file content
|
||||
and file name into a single object.
|
||||
* Validates that non-empty file data has been bound to the form.
|
||||
* Error message keys: ``required``, ``invalid``, ``missing``, ``empty``
|
||||
|
||||
An ``UploadedFile`` object has two attributes:
|
||||
|
||||
|
|
@ -1296,6 +1330,8 @@ When you use a ``FileField`` on a form, you must also remember to
|
|||
and file name into a single object.
|
||||
* Validates that file data has been bound to the form, and that the
|
||||
file is of an image format understood by PIL.
|
||||
* Error message keys: ``required``, ``invalid``, ``missing``, ``empty``,
|
||||
``invalid_image``
|
||||
|
||||
Using an ImageField requires that the `Python Imaging Library`_ is installed.
|
||||
|
||||
|
|
@ -1312,6 +1348,8 @@ When you use a ``FileField`` on a form, you must also remember to
|
|||
* Normalizes to: A Python integer or long integer.
|
||||
* Validates that the given value is an integer. Leading and trailing
|
||||
whitespace is allowed, as in Python's ``int()`` function.
|
||||
* Error message keys: ``required``, ``invalid``, ``max_value``,
|
||||
``min_value``
|
||||
|
||||
Takes two optional arguments for validation, ``max_value`` and ``min_value``.
|
||||
These control the range of values permitted in the field.
|
||||
|
|
@ -1324,6 +1362,7 @@ These control the range of values permitted in the field.
|
|||
* Normalizes to: A Unicode object.
|
||||
* Validates that the given value is a valid IPv4 address, using a regular
|
||||
expression.
|
||||
* Error message keys: ``required``, ``invalid``
|
||||
|
||||
``MultipleChoiceField``
|
||||
~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
|
@ -1333,6 +1372,7 @@ These control the range of values permitted in the field.
|
|||
* Normalizes to: A list of Unicode objects.
|
||||
* Validates that every value in the given list of values exists in the list
|
||||
of choices.
|
||||
* Error message keys: ``required``, ``invalid_choice``, ``invalid_list``
|
||||
|
||||
Takes one extra argument, ``choices``, which is an iterable (e.g., a list or
|
||||
tuple) of 2-tuples to use as choices for this field.
|
||||
|
|
@ -1353,6 +1393,7 @@ tuple) of 2-tuples to use as choices for this field.
|
|||
* Normalizes to: A Unicode object.
|
||||
* Validates that the given value matches against a certain regular
|
||||
expression.
|
||||
* Error message keys: ``required``, ``invalid``
|
||||
|
||||
Takes one required argument, ``regex``, which is a regular expression specified
|
||||
either as a string or a compiled regular expression object.
|
||||
|
|
@ -1364,11 +1405,13 @@ Also takes the following optional arguments:
|
|||
====================== =====================================================
|
||||
``max_length`` Ensures the string has at most this many characters.
|
||||
``min_length`` Ensures the string has at least this many characters.
|
||||
``error_message`` Error message to return for failed validation. If no
|
||||
message is provided, a generic error message will be
|
||||
used.
|
||||
====================== =====================================================
|
||||
|
||||
The optional argument ``error_message`` is also accepted for backwards
|
||||
compatibility. The preferred way to provide an error message is to use the
|
||||
``error_messages`` argument, passing a dictionary with ``'invalid'`` as a key
|
||||
and the error message as the value.
|
||||
|
||||
``TimeField``
|
||||
~~~~~~~~~~~~~
|
||||
|
||||
|
|
@ -1377,6 +1420,7 @@ Also takes the following optional arguments:
|
|||
* Normalizes to: A Python ``datetime.time`` object.
|
||||
* Validates that the given value is either a ``datetime.time`` or string
|
||||
formatted in a particular time format.
|
||||
* Error message keys: ``required``, ``invalid``
|
||||
|
||||
Takes one optional argument, ``input_formats``, which is a list of formats used
|
||||
to attempt to convert a string to a valid ``datetime.time`` object.
|
||||
|
|
@ -1393,6 +1437,7 @@ If no ``input_formats`` argument is provided, the default input formats are::
|
|||
* Empty value: ``''`` (an empty string)
|
||||
* Normalizes to: A Unicode object.
|
||||
* Validates that the given value is a valid URL.
|
||||
* Error message keys: ``required``, ``invalid``, ``invalid_link``
|
||||
|
||||
Takes the following optional arguments:
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,315 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
tests = r"""
|
||||
>>> from django.newforms import *
|
||||
|
||||
# CharField ###################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['min_length'] = 'LENGTH %(length)s, MIN LENGTH %(min)s'
|
||||
>>> e['max_length'] = 'LENGTH %(length)s, MAX LENGTH %(max)s'
|
||||
>>> f = CharField(min_length=5, max_length=10, error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('1234')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'LENGTH 4, MIN LENGTH 5']
|
||||
>>> f.clean('12345678901')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'LENGTH 11, MAX LENGTH 10']
|
||||
|
||||
# IntegerField ################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> e['min_value'] = 'MIN VALUE IS %s'
|
||||
>>> e['max_value'] = 'MAX VALUE IS %s'
|
||||
>>> f = IntegerField(min_value=5, max_value=10, error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abc')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
>>> f.clean('4')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MIN VALUE IS 5']
|
||||
>>> f.clean('11')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MAX VALUE IS 10']
|
||||
|
||||
# FloatField ##################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> e['min_value'] = 'MIN VALUE IS %s'
|
||||
>>> e['max_value'] = 'MAX VALUE IS %s'
|
||||
>>> f = FloatField(min_value=5, max_value=10, error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abc')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
>>> f.clean('4')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MIN VALUE IS 5']
|
||||
>>> f.clean('11')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MAX VALUE IS 10']
|
||||
|
||||
# DecimalField ################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> e['min_value'] = 'MIN VALUE IS %s'
|
||||
>>> e['max_value'] = 'MAX VALUE IS %s'
|
||||
>>> e['max_digits'] = 'MAX DIGITS IS %s'
|
||||
>>> e['max_decimal_places'] = 'MAX DP IS %s'
|
||||
>>> e['max_whole_digits'] = 'MAX DIGITS BEFORE DP IS %s'
|
||||
>>> f = DecimalField(min_value=5, max_value=10, error_messages=e)
|
||||
>>> f2 = DecimalField(max_digits=4, decimal_places=2, error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abc')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
>>> f.clean('4')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MIN VALUE IS 5']
|
||||
>>> f.clean('11')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MAX VALUE IS 10']
|
||||
>>> f2.clean('123.45')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MAX DIGITS IS 4']
|
||||
>>> f2.clean('1.234')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MAX DP IS 2']
|
||||
>>> f2.clean('123.4')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MAX DIGITS BEFORE DP IS 2']
|
||||
|
||||
# DateField ###################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> f = DateField(error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abc')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
|
||||
# TimeField ###################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> f = TimeField(error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abc')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
|
||||
# DateTimeField ###############################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> f = DateTimeField(error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abc')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
|
||||
# RegexField ##################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> e['min_length'] = 'LENGTH %(length)s, MIN LENGTH %(min)s'
|
||||
>>> e['max_length'] = 'LENGTH %(length)s, MAX LENGTH %(max)s'
|
||||
>>> f = RegexField(r'^\d+$', min_length=5, max_length=10, error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abcde')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
>>> f.clean('1234')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'LENGTH 4, MIN LENGTH 5']
|
||||
>>> f.clean('12345678901')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'LENGTH 11, MAX LENGTH 10']
|
||||
|
||||
# EmailField ##################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> e['min_length'] = 'LENGTH %(length)s, MIN LENGTH %(min)s'
|
||||
>>> e['max_length'] = 'LENGTH %(length)s, MAX LENGTH %(max)s'
|
||||
>>> f = EmailField(min_length=8, max_length=10, error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abcdefgh')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
>>> f.clean('a@b.com')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'LENGTH 7, MIN LENGTH 8']
|
||||
>>> f.clean('aye@bee.com')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'LENGTH 11, MAX LENGTH 10']
|
||||
|
||||
# FileField ##################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> e['missing'] = 'MISSING'
|
||||
>>> e['empty'] = 'EMPTY FILE'
|
||||
>>> f = FileField(error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abc')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
>>> f.clean({})
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'MISSING']
|
||||
>>> f.clean({'filename': 'name', 'content':''})
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'EMPTY FILE']
|
||||
|
||||
# URLField ##################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID'
|
||||
>>> e['invalid_link'] = 'INVALID LINK'
|
||||
>>> f = URLField(verify_exists=True, error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('abc.c')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID']
|
||||
>>> f.clean('http://www.jfoiwjfoi23jfoijoaijfoiwjofiwjefewl.com')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID LINK']
|
||||
|
||||
# BooleanField ################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> f = BooleanField(error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
|
||||
# ChoiceField #################################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid_choice'] = '%(value)s IS INVALID CHOICE'
|
||||
>>> f = ChoiceField(choices=[('a', 'aye')], error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('b')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'b IS INVALID CHOICE']
|
||||
|
||||
# MultipleChoiceField #########################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid_choice'] = '%(value)s IS INVALID CHOICE'
|
||||
>>> e['invalid_list'] = 'NOT A LIST'
|
||||
>>> f = MultipleChoiceField(choices=[('a', 'aye')], error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('b')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'NOT A LIST']
|
||||
>>> f.clean(['b'])
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'b IS INVALID CHOICE']
|
||||
|
||||
# SplitDateTimeField ##########################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid_date'] = 'INVALID DATE'
|
||||
>>> e['invalid_time'] = 'INVALID TIME'
|
||||
>>> f = SplitDateTimeField(error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean(['a', 'b'])
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID DATE', u'INVALID TIME']
|
||||
|
||||
# IPAddressField ##############################################################
|
||||
|
||||
>>> e = {'required': 'REQUIRED'}
|
||||
>>> e['invalid'] = 'INVALID IP ADDRESS'
|
||||
>>> f = IPAddressField(error_messages=e)
|
||||
>>> f.clean('')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'REQUIRED']
|
||||
>>> f.clean('127.0.0')
|
||||
Traceback (most recent call last):
|
||||
...
|
||||
ValidationError: [u'INVALID IP ADDRESS']
|
||||
"""
|
||||
|
|
@ -2,6 +2,7 @@
|
|||
from extra import tests as extra_tests
|
||||
from fields import tests as fields_tests
|
||||
from forms import tests as form_tests
|
||||
from error_messages import tests as custom_error_message_tests
|
||||
from localflavor.ar import tests as localflavor_ar_tests
|
||||
from localflavor.au import tests as localflavor_au_tests
|
||||
from localflavor.br import tests as localflavor_br_tests
|
||||
|
|
@ -29,6 +30,7 @@ __test__ = {
|
|||
'extra_tests': extra_tests,
|
||||
'fields_tests': fields_tests,
|
||||
'form_tests': form_tests,
|
||||
'custom_error_message_tests': custom_error_message_tests,
|
||||
'localflavor_ar_tests': localflavor_ar_tests,
|
||||
'localflavor_au_tests': localflavor_au_tests,
|
||||
'localflavor_br_tests': localflavor_br_tests,
|
||||
|
|
|
|||
|
|
@ -42,4 +42,11 @@ u''
|
|||
# Can take a mixture in a list.
|
||||
>>> print ValidationError(["First error.", u"Not \u03C0.", ugettext_lazy("Error.")]).messages
|
||||
<ul class="errorlist"><li>First error.</li><li>Not π.</li><li>Error.</li></ul>
|
||||
|
||||
>>> class VeryBadError:
|
||||
... def __unicode__(self): return u"A very bad error."
|
||||
|
||||
# Can take a non-string.
|
||||
>>> print ValidationError(VeryBadError()).messages
|
||||
<ul class="errorlist"><li>A very bad error.</li></ul>
|
||||
"""
|
||||
|
|
|
|||
Loading…
Reference in New Issue