def validate(self, value):
original_value = value
# So isinstance(True, int) -> True.
# For a float parameter we should not allow a bool.
if isinstance(value, bool):
raise ValidationError(value=str(value), type_name='float',
param=self)
elif not isinstance(value, float):
# If the value is a float, that's good enough for a float
# param. Also you can't go directly from a float -> Decimal
# in python2.6.
# Otherwise the value has to look like a decimal,
# so we just need to validate that it converts to a
# decimal without issue and then run it through the min
# max range validations.
try:
# We don't want to type convert here, but we need
# to convert it to something we can use < and > against.
value = decimal.Decimal(value)
except (decimal.InvalidOperation, TypeError):
raise ValidationError(value=str(value), type_name='float',
param=self)
if self.min:
if value < self.min:
raise RangeError(value=value,
param=self,
min_value=self.min,
max_value=self.max)
if self.max:
if value > self.max:
raise RangeError(value=value,
param=self,
min_value=self.min,
max_value=self.max)
return original_value
def validate(self, value):
if not isinstance(value, float):
raise ValidationError(value=str(value), type_name='double',
param=self)
if self.min:
if value < self.min:
raise RangeError(value=value,
param=self,
min_value=self.min,
max_value=self.max)
if self.max:
if value > self.max:
raise RangeError(value=value,
param=self,
min_value=self.min,
max_value=self.max)
return value
def validate(self, value):
if not isinstance(value, six.integer_types):
raise ValidationError(value=str(value), type_name='integer',
param=self)
if self.min:
if value < self.min:
raise RangeError(value=value,
param=self,
min_value=self.min,
max_value=self.max)
if self.max:
if value > self.max:
raise RangeError(value=value,
param=self,
min_value=self.min,
max_value=self.max)
return value
def validate(self, value):
if not isinstance(value, six.string_types):
raise ValidationError(value=str(value), type_name='string',
param=self)
if self.min:
if len(value) < self.min:
raise RangeError(value=len(value),
param=self,
min_value=self.min,
max_value=self.max)
if self.max:
if len(value) > self.max:
raise RangeError(value=len(value),
param=self,
min_value=self.min,
max_value=self.max)
return value