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Code Issues 32 Releases Wiki Activity

[soc2009/model-validation] DecimalField done

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git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2009/model-validation@10903 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Honza Král 2009-06-03 02:37:20 +00:00
parent 08652c8501
commit 795cd55ba2
1 changed files with 9 additions and 3 deletions
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12
django/forms/fields.py
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@ -208,6 +208,8 @@ class IntegerField(Field):
def validate(self, value):
super(IntegerField, self).validate(value)
if value in EMPTY_VALUES:
return
if self.max_value is not None and value > self.max_value:
raise ValidationError(self.error_messages['max_value'] % self.max_value)
if self.min_value is not None and value < self.min_value:
@ -250,22 +252,26 @@ class DecimalField(Field):
self.max_digits, self.decimal_places = max_digits, decimal_places
Field.__init__(self, *args, **kwargs)
def clean(self, value):
def to_python(self, value):
"""
Validates that the input is a decimal number. Returns a Decimal
instance. Returns None for empty values. Ensures that there are no more
than max_digits in the number, and no more than decimal_places digits
after the decimal point.
"""
super(DecimalField, self).clean(value)
if not self.required and value in EMPTY_VALUES:
if value in EMPTY_VALUES:
return None
value = smart_str(value).strip()
try:
value = Decimal(value)
except DecimalException:
raise ValidationError(self.error_messages['invalid'])
return value
def validate(self, value):
super(DecimalField, self).validate(value)
if value in EMPTY_VALUES:
return
sign, digittuple, exponent = value.as_tuple()
decimals = abs(exponent)
# digittuple doesn't include any leading zeros.