Python fields.Number方法代碼示例

# 需要導入模塊: from marshmallow import fields [as 別名]
# 或者: from marshmallow.fields import Number [as 別名]
def inline(self, field, context):
        # type: (fields.Field, JitContext) -> Optional[str]
        """Generates a template for inlining string serialization.

        For example, generates "float(value) if value is not None else None"
        to serialize a float.  If `field.as_string` is `True` the result will
        be coerced to a string if not None.
        """
        if (is_overridden(field._validated, fields.Number._validated) or
                is_overridden(field._serialize, fields.Number._serialize) or
                field.num_type not in (int, float)):
            return None
        result = field.num_type.__name__ + '({0})'
        if field.as_string and context.is_serializing:
            result = 'str({0})'.format(result)
        if field.allow_none is True or context.is_serializing:
            # Only emit the Null checking code if nulls are allowed.  If they
            # aren't allowed casting `None` to an integer will throw and the
            # slow path will take over.
            result += ' if {0} is not None else None'
        return result 

# 需要導入模塊: from marshmallow import fields [as 別名]
# 或者: from marshmallow.fields import Number [as 別名]
def validate_positive_number(data: Number) -> None:
    """Check that a value is a positive number."""
    if not data > 0:
        raise ValidationError("Not a positive number", data) 

# 需要導入模塊: from marshmallow import fields [as 別名]
# 或者: from marshmallow.fields import Number [as 別名]
def validate_decimal(data: Number) -> None:
    """Check that a value is a float between 0 and 1 inclusive."""
    if not 0 <= data <= 1:
        raise ValidationError("Not in valid range, expected a float between 0 and 1") 

# 需要導入模塊: from marshmallow import fields [as 別名]
# 或者: from marshmallow.fields import Number [as 別名]
def handle_range(schema, field, validator, parent_schema):
    """Adds validation logic for ``marshmallow.validate.Range``, setting the
    values appropriately ``fields.Number`` and it's subclasses.

    Args:
        schema (dict): The original JSON schema we generated. This is what we
            want to post-process.
        field (fields.Field): The field that generated the original schema and
            who this post-processor belongs to.
        validator (marshmallow.validate.Range): The validator attached to the
            passed in field.
        parent_schema (marshmallow.Schema): The Schema instance that the field
            belongs to.

    Returns:
        dict: New JSON Schema that has been post processed and
            altered.

    Raises:
        UnsupportedValueError: Raised if the `field` is not an instance of
            `fields.Number`.
    """
    if not isinstance(field, fields.Number):
        raise UnsupportedValueError(
            "'Range' validator for non-number fields is not supported"
        )

    if validator.min is not None:
        # marshmallow 2 includes minimum by default
        # marshmallow 3 supports "min_inclusive"
        min_inclusive = getattr(validator, "min_inclusive", True)
        if min_inclusive:
            schema["minimum"] = validator.min
        else:
            schema["exclusiveMinimum"] = validator.min

    if validator.max is not None:
        # marshmallow 2 includes maximum by default
        # marshmallow 3 supports "max_inclusive"
        max_inclusive = getattr(validator, "max_inclusive", True)
        if max_inclusive:
            schema["maximum"] = validator.max
        else:
            schema["exclusiveMaximum"] = validator.max
    return schema 

# 需要導入模塊: from marshmallow import fields [as 別名]
# 或者: from marshmallow.fields import Number [as 別名]
def parseDEI(self,
                 xbrl,
                 ignore_errors=0):
        """
        Parse DEI from our XBRL soup and return a DEI object.
        """
        dei_obj = DEI()

        if ignore_errors == 2:
            logging.basicConfig(filename='/tmp/xbrl.log',
                level=logging.ERROR,
                format='%(asctime)s %(levelname)s %(name)s %(message)s')
            logger = logging.getLogger(__name__)
        else:
            logger = None

        trading_symbol = xbrl.find_all(name=re.compile("(dei:tradingsymbol)",
            re.IGNORECASE | re.MULTILINE))
        dei_obj.trading_symbol = \
            self.data_processing(trading_symbol, xbrl,
                                 ignore_errors, logger,
                                 options={'type': 'String',
                                          'no_context': True})

        company_name = xbrl.find_all(name=re.compile("(dei:entityregistrantname)",
            re.IGNORECASE | re.MULTILINE))
        dei_obj.company_name = \
            self.data_processing(company_name, xbrl,
                                 ignore_errors, logger,
                                 options={'type': 'String',
                                          'no_context': True})

        shares_outstanding = xbrl.find_all(name=re.compile("(dei:entitycommonstocksharesoutstanding)",
            re.IGNORECASE | re.MULTILINE))
        dei_obj.shares_outstanding = \
            self.data_processing(shares_outstanding, xbrl,
                                 ignore_errors, logger,
                                 options={'type': 'Number',
                                          'no_context': True})

        public_float = xbrl.find_all(name=re.compile("(dei:entitypublicfloat)",
            re.IGNORECASE | re.MULTILINE))
        dei_obj.public_float = \
            self.data_processing(public_float, xbrl,
                                 ignore_errors, logger,
                                 options={'type': 'Number',
                                          'no_context': True})

        return dei_obj 

# 需要導入模塊: from marshmallow import fields [as 別名]
# 或者: from marshmallow.fields import Number [as 別名]
def data_processing(self,
                        elements,
                        xbrl,
                        ignore_errors,
                        logger,
                        context_ids=[],
                        **kwargs):
        """
        Process a XBRL tag object and extract the correct value as
        stated by the context.
        """
        options = kwargs.get('options', {'type': 'Number',
                                         'no_context': False})

        if options['type'] == 'String':
            if len(elements) > 0:
                    return elements[0].text

        if options['no_context'] == True:
            if len(elements) > 0 and XBRLParser().is_number(elements[0].text):
                    return elements[0].text

        try:

            # Extract the correct values by context
            correct_elements = []
            for element in elements:
                std = element.attrs['contextref']
                if std in context_ids:
                    correct_elements.append(element)
            elements = correct_elements

            if len(elements) > 0 and XBRLParser().is_number(elements[0].text):
                decimals = elements[0].attrs['decimals']
                if decimals is not None:
                    attr_precision = decimals
                    if xbrl.precision != 0 \
                    and xbrl.precison != attr_precision:
                        xbrl.precision = attr_precision
                if elements:
                    return XBRLParser().trim_decimals(elements[0].text,
                        int(xbrl.precision))
                else:
                    return 0
            else:
                return 0
        except Exception as e:
            if ignore_errors == 0:
                raise XBRLParserException('value extraction error')
            elif ignore_errors == 1:
                return 0
            elif ignore_errors == 2:
                logger.error(str(e) + " error at " +
                    ''.join(elements[0].text))


# Preprocessing to fix broken XML
# TODO - Run tests to see if other XML processing errors can occur