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Remove mixin

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This commit is contained in:
Carlton Gibson 2018-04-24 09:09:51 +02:00
parent d1822ec6b6
commit 45374449d3
2 changed files with 67 additions and 16 deletions
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81
rest_framework/fields.py
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@ -903,16 +903,20 @@ class IPAddressField(CharField):
# Number types...
class MaxMinMixin(object):
class IntegerField(Field):
default_error_messages = {
'invalid': _('A valid integer is required.'),
'max_value': _('Ensure this value is less than or equal to {max_value}.'),
'min_value': _('Ensure this value is greater than or equal to {min_value}.'),
'max_string_length': _('String value too large.')
}
MAX_STRING_LENGTH = 1000 # Guard against malicious string inputs.
re_decimal = re.compile(r'\.0*\s*$') # allow e.g. '1.0' as an int, but not '1.2'
def __init__(self, **kwargs):
self.max_value = kwargs.pop('max_value', None)
self.min_value = kwargs.pop('min_value', None)
super(MaxMinMixin, self).__init__(**kwargs)
super(IntegerField, self).__init__(**kwargs)
if self.max_value is not None:
message = lazy(
self.error_messages['max_value'].format,
@ -926,15 +930,6 @@ class MaxMinMixin(object):
self.validators.append(
MinValueValidator(self.min_value, message=message))
class IntegerField(MaxMinMixin, Field):
default_error_messages = {
'invalid': _('A valid integer is required.'),
'max_string_length': _('String value too large.')
}
MAX_STRING_LENGTH = 1000 # Guard against malicious string inputs.
re_decimal = re.compile(r'\.0*\s*$') # allow e.g. '1.0' as an int, but not '1.2'
def to_internal_value(self, data):
if isinstance(data, six.text_type) and len(data) > self.MAX_STRING_LENGTH:
self.fail('max_string_length')
@ -949,13 +944,32 @@ class IntegerField(MaxMinMixin, Field):
return int(value)
class FloatField(MaxMinMixin, Field):
class FloatField(Field):
default_error_messages = {
'invalid': _('A valid number is required.'),
'max_value': _('Ensure this value is less than or equal to {max_value}.'),
'min_value': _('Ensure this value is greater than or equal to {min_value}.'),
'max_string_length': _('String value too large.')
}
MAX_STRING_LENGTH = 1000 # Guard against malicious string inputs.
def __init__(self, **kwargs):
self.max_value = kwargs.pop('max_value', None)
self.min_value = kwargs.pop('min_value', None)
super(FloatField, self).__init__(**kwargs)
if self.max_value is not None:
message = lazy(
self.error_messages['max_value'].format,
six.text_type)(max_value=self.max_value)
self.validators.append(
MaxValueValidator(self.max_value, message=message))
if self.min_value is not None:
message = lazy(
self.error_messages['min_value'].format,
six.text_type)(min_value=self.min_value)
self.validators.append(
MinValueValidator(self.min_value, message=message))
def to_internal_value(self, data):
if isinstance(data, six.text_type) and len(data) > self.MAX_STRING_LENGTH:
@ -970,9 +984,11 @@ class FloatField(MaxMinMixin, Field):
return float(value)
class DecimalField(MaxMinMixin, Field):
class DecimalField(Field):
default_error_messages = {
'invalid': _('A valid number is required.'),
'max_value': _('Ensure this value is less than or equal to {max_value}.'),
'min_value': _('Ensure this value is greater than or equal to {min_value}.'),
'max_digits': _('Ensure that there are no more than {max_digits} digits in total.'),
'max_decimal_places': _('Ensure that there are no more than {max_decimal_places} decimal places.'),
'max_whole_digits': _('Ensure that there are no more than {max_whole_digits} digits before the decimal point.'),
@ -990,12 +1006,28 @@ class DecimalField(MaxMinMixin, Field):
if self.localize:
self.coerce_to_string = True
self.max_value = max_value
self.min_value = min_value
if self.max_digits is not None and self.decimal_places is not None:
self.max_whole_digits = self.max_digits - self.decimal_places
else:
self.max_whole_digits = None
super(DecimalField, self).__init__(max_value=max_value, min_value=min_value, **kwargs)
super(DecimalField, self).__init__(**kwargs)
if self.max_value is not None:
message = lazy(
self.error_messages['max_value'].format,
six.text_type)(max_value=self.max_value)
self.validators.append(
MaxValueValidator(self.max_value, message=message))
if self.min_value is not None:
message = lazy(
self.error_messages['min_value'].format,
six.text_type)(min_value=self.min_value)
self.validators.append(
MinValueValidator(self.min_value, message=message))
if rounding is not None:
valid_roundings = [v for k, v in vars(decimal).items() if k.startswith('ROUND_')]
@ -1319,11 +1351,30 @@ class TimeField(Field):
return value.strftime(output_format)
class DurationField(MaxMinMixin, Field):
class DurationField(Field):
default_error_messages = {
'invalid': _('Duration has wrong format. Use one of these formats instead: {format}.'),
'max_value': _('Ensure this value is less than or equal to {max_value}.'),
'min_value': _('Ensure this value is greater than or equal to {min_value}.'),
}
def __init__(self, **kwargs):
self.max_value = kwargs.pop('max_value', None)
self.min_value = kwargs.pop('min_value', None)
super(DurationField, self).__init__(**kwargs)
if self.max_value is not None:
message = lazy(
self.error_messages['max_value'].format,
six.text_type)(max_value=self.max_value)
self.validators.append(
MaxValueValidator(self.max_value, message=message))
if self.min_value is not None:
message = lazy(
self.error_messages['min_value'].format,
six.text_type)(min_value=self.min_value)
self.validators.append(
MinValueValidator(self.min_value, message=message))
def to_internal_value(self, value):
if isinstance(value, datetime.timedelta):
return value

2
tests/test_fields.py
View File

@ -1461,7 +1461,7 @@ class TestNoOutputFormatTimeField(FieldValues):
class TestMinMaxDurationField(FieldValues):
"""
Valid and invalid values for `IntegerField` with min and max limits.
Valid and invalid values for `DurationField` with min and max limits.
"""
valid_inputs = {
'3 08:32:01.000123': datetime.timedelta(days=3, hours=8, minutes=32, seconds=1, microseconds=123),