python类DecimalException()的实例源码

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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = force_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = force_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return value

def to_internal_value(self, data):
        """
        Validate that the input is a decimal number and return a Decimal
        instance.
        """
        data = smart_text(data).strip()
        if len(data) > self.MAX_STRING_LENGTH:
            self.fail('max_string_length')

        try:
            value = decimal.Decimal(data)
        except decimal.DecimalException:
            self.fail('invalid')

        # Check for NaN. It is the only value that isn't equal to itself,
        # so we can use this to identify NaN values.
        if value != value:
            self.fail('invalid')

        # Check for infinity and negative infinity.
        if value in (decimal.Decimal('Inf'), decimal.Decimal('-Inf')):
            self.fail('invalid')

        return self.validate_precision(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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = force_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = force_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = force_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = force_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return 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.
        """
        if value in self.empty_values:
            return None
        if self.localize:
            value = formats.sanitize_separators(value)
        value = smart_text(value).strip()
        try:
            value = Decimal(value)
        except DecimalException:
            raise ValidationError(self.error_messages['invalid'], code='invalid')
        return value

def iter_decode(self, text, validation='lax', **kwargs):
        _text = self.normalize(text)
        if validation != 'skip' and self.patterns:
            for error in self.patterns(_text):
                yield error

        try:
            result = self.to_python(_text)
        except (ValueError, DecimalException) as err:
            if validation == 'skip':
                yield unicode_type(_text)
            else:
                yield XMLSchemaDecodeError(self, text, self.to_python, reason=str(err))
                yield None
            return

        if validation != 'skip':
            for validator in self.validators:
                for error in validator(result):
                    yield error

        if isinstance(result, Decimal):
            try:
                result = kwargs.get('decimal_type')(result)
            except TypeError:
                pass
        yield result