Class DataElement

xmlschema/dataobjects.py:33–425

Data Element, an Element like object with decoded data and schema bindings. :param tag: a string containing a QName in extended format. :param value: the simple typed value of the element. :param attrib: the typed attributes of the element. :param nsmap: an optional map from pr

class DataElement(MutableSequence['DataElement']):
    """
    Data Element, an Element like object with decoded data and schema bindings.

    :param tag: a string containing a QName in extended format.
    :param value: the simple typed value of the element.
    :param attrib: the typed attributes of the element.
    :param nsmap: an optional map from prefixes to namespaces.
    :param xsd_element: an optional XSD element association.
    :param xsd_type: an optional XSD type association. Can be provided \
    also if the instance is not bound with an XSD element.
    """
    _children: list['DataElement']
    tag: str
    attrib: dict[str, Any]
    nsmap: dict[str, str]

    value: Optional[Any] = None
    tail: Optional[str] = None
    xmlns: Optional[list[tuple[str, str]]] = None
    xsd_element: Optional['XsdElement'] = None
    xsd_type: Optional[BaseXsdType] = None
    _encoder: Optional['XsdElement'] = None

    def __init__(self, tag: str,
                 value: Optional[Any] = None,
                 attrib: Optional[dict[str, Any]] = None,
                 nsmap: Optional[MutableMapping[str, str]] = None,
                 xmlns: Optional[list[tuple[str, str]]] = None,
                 xsd_element: Optional['XsdElement'] = None,
                 xsd_type: Optional[BaseXsdType] = None) -> None:

        super().__init__()
        self._children = []
        self.tag = tag
        self.attrib = {}
        self.nsmap = {}

        if value is not None:
            self.value = value
        if attrib is not None:
            self.attrib.update(attrib)
        if nsmap is not None:
            self.nsmap.update(nsmap)
        if xmlns is not None:
            self.xmlns = xmlns

        if xsd_element is not None:
            self.xsd_element = xsd_element
            self.xsd_type = xsd_type or xsd_element.type
        elif xsd_type is not None:
            self.xsd_type = xsd_type
        elif self.xsd_element is not None:
            self._encoder = self.xsd_element

    @overload
    def __getitem__(self, i: int) -> 'DataElement': ...  # pragma: no cover