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queryset-refactor: Fixed up a few problems from the previous merge from trunk.
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6693 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick
parent
3d07f94d68
commit
5d85a5147b
@ -49,7 +49,8 @@ class Field(object):
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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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@ -106,7 +107,7 @@ 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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@ -141,9 +142,9 @@ 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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@ -173,11 +174,11 @@ 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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@ -202,11 +203,11 @@ 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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@ -238,20 +239,20 @@ 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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@ -288,7 +289,7 @@ 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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@ -319,7 +320,7 @@ 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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@ -359,14 +360,14 @@ 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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@ -375,11 +376,15 @@ 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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@ -390,7 +395,7 @@ 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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@ -404,8 +409,8 @@ class EmailField(RegexField):
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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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@ -445,11 +450,11 @@ 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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@ -477,7 +482,7 @@ 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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@ -496,7 +501,8 @@ class URLField(RegexField):
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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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@ -521,9 +527,9 @@ 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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@ -583,7 +589,7 @@ class ChoiceField(Field):
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return value
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valid_values = set([smart_unicode(k) for k, v in self.choices])
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if value not in valid_values:
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raise ValidationError(ugettext(u'Select a valid choice. That choice is not one of the available choices.'))
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raise ValidationError(self.error_messages['invalid_choice'] % {'value': value})
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return value
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class MultipleChoiceField(ChoiceField):
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@ -599,17 +605,17 @@ class MultipleChoiceField(ChoiceField):
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Validates that the input is a list or tuple.
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"""
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if self.required and not value:
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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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elif not self.required and not value:
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return []
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if not isinstance(value, (list, tuple)):
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raise ValidationError(ugettext(u'Enter a list of values.'))
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raise ValidationError(self.error_messages['invalid_list'])
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new_value = [smart_unicode(val) for val in value]
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# Validate that each value in the value list is in self.choices.
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valid_values = set([smart_unicode(k) for k, v in self.choices])
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for val in new_value:
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if val not in valid_values:
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raise ValidationError(ugettext(u'Select a valid choice. %s is not one of the available choices.') % val)
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raise ValidationError(self.error_messages['invalid_choice'] % {'value': val})
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return new_value
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class ComboField(Field):
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@ -679,18 +685,18 @@ class MultiValueField(Field):
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if not value or isinstance(value, (list, tuple)):
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if not value or not [v for v in value if v not in EMPTY_VALUES]:
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if self.required:
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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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else:
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return self.compress([])
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else:
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raise ValidationError(ugettext(u'Enter a list of values.'))
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raise ValidationError(self.error_messages['invalid'])
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for i, field in enumerate(self.fields):
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try:
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field_value = value[i]
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except IndexError:
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field_value = None
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if self.required and field_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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try:
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clean_data.append(field.clean(field_value))
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except ValidationError, e:
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@ -720,7 +726,13 @@ class SplitDateTimeField(MultiValueField):
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}
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def __init__(self, *args, **kwargs):
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fields = (DateField(), TimeField())
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errors = self.default_error_messages.copy()
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if 'error_messages' in kwargs:
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errors.update(kwargs['error_messages'])
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fields = (
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DateField(error_messages={'invalid': errors['invalid_date']}),
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TimeField(error_messages={'invalid': errors['invalid_time']}),
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)
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super(SplitDateTimeField, self).__init__(fields, *args, **kwargs)
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def compress(self, data_list):
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@ -728,9 +740,9 @@ class SplitDateTimeField(MultiValueField):
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# Raise a validation error if time or date is empty
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# (possible if SplitDateTimeField has required=False).
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if data_list[0] in EMPTY_VALUES:
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raise ValidationError(ugettext(u'Enter a valid date.'))
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raise ValidationError(self.error_messages['invalid_date'])
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if data_list[1] in EMPTY_VALUES:
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raise ValidationError(ugettext(u'Enter a valid time.'))
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raise ValidationError(self.error_messages['invalid_time'])
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return datetime.datetime.combine(*data_list)
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return None
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@ -742,7 +754,4 @@ class IPAddressField(RegexField):
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}
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def __init__(self, *args, **kwargs):
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RegexField.__init__(self, ipv4_re,
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error_message=ugettext(u'Enter a valid IPv4 address.'),
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*args, **kwargs)
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super(IPAddressField, self).__init__(ipv4_re, *args, **kwargs)
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@ -46,13 +46,18 @@ class ErrorList(list, StrAndUnicode):
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if not self: return u''
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return u'\n'.join([u'* %s' % force_unicode(e) for e in self])
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def __repr__(self):
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return repr([force_unicode(e) for e in self])
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class ValidationError(Exception):
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def __init__(self, message):
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"ValidationError can be passed a string or a list."
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"""
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ValidationError can be passed any object that can be printed (usually
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a string) or a list of objects.
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"""
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if isinstance(message, list):
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self.messages = ErrorList([smart_unicode(msg) for msg in message])
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else:
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assert isinstance(message, (basestring, Promise)), ("%s should be a basestring or lazy translation" % repr(message))
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message = smart_unicode(message)
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self.messages = ErrorList([message])
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@ -62,4 +67,3 @@ class ValidationError(Exception):
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# AttributeError: ValidationError instance has no attribute 'args'
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# See http://www.python.org/doc/current/tut/node10.html#handling
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return repr(self.messages)
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@ -150,7 +150,7 @@ class TestCase(unittest.TestCase):
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" context %d does not contain the"
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" error '%s' (actual errors: %s)" %
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(field, form, i, err,
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list(field_errors)))
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repr(field_errors)))
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elif field in context[form].fields:
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self.fail("The field '%s' on form '%s' in context %d"
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" contains no errors" % (field, form, i))
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@ -1078,6 +1078,30 @@ fields. We've specified ``auto_id=False`` to simplify the output::
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<p>Sender: <input type="text" name="sender" /> A valid e-mail address, please.</p>
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<p>Cc myself: <input type="checkbox" name="cc_myself" /></p>
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``error_messages``
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~~~~~~~~~~~~~~~~~~
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**New in Django development version**
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The ``error_messages`` argument lets you override the default messages which the
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field will raise. Pass in a dictionary with keys matching the error messages you
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want to override. For example::
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>>> generic = forms.CharField()
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>>> generic.clean('')
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Traceback (most recent call last):
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...
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ValidationError: [u'This field is required.']
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>>> name = forms.CharField(error_messages={'required': 'Please enter your name'})
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>>> name.clean('')
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Traceback (most recent call last):
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...
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ValidationError: [u'Please enter your name']
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In the `built-in Field classes`_ section below, each Field defines the error
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message keys it uses.
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Dynamic initial values
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----------------------
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@ -1143,6 +1167,7 @@ For each field, we describe the default widget used if you don't specify
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* Normalizes to: A Python ``True`` or ``False`` value.
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* Validates that the check box is checked (i.e. the value is ``True``) if
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the field has ``required=True``.
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* Error message keys: ``required``
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**New in Django development version:** The empty value for a ``CheckboxInput``
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(and hence the standard ``BooleanField``) has changed to return ``False``
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@ -1162,6 +1187,7 @@ instead of ``None`` in the development version.
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* Normalizes to: A Unicode object.
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* Validates ``max_length`` or ``min_length``, if they are provided.
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Otherwise, all inputs are valid.
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* Error message keys: ``required``, ``max_length``, ``min_length``
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Has two optional arguments for validation, ``max_length`` and ``min_length``.
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If provided, these arguments ensure that the string is at most or at least the
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@ -1174,6 +1200,7 @@ given length.
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* Empty value: ``''`` (an empty string)
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* Normalizes to: A Unicode object.
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* Validates that the given value exists in the list of choices.
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* Error message keys: ``required``, ``invalid_choice``
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Takes one extra argument, ``choices``, which is an iterable (e.g., a list or
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tuple) of 2-tuples to use as choices for this field.
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@ -1186,6 +1213,7 @@ tuple) of 2-tuples to use as choices for this field.
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* 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:
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user