Method _resolve_prefix_name

Lib/xml/etree/ElementTree.py:1854–1859

(self, prefixed_name)

                yield from namespaces

    def _resolve_prefix_name(self, prefixed_name):
        prefix, name = prefixed_name.split(':', 1)
        for uri, p in self._iter_namespaces(self._ns_stack):
            if p == prefix:
                return f'{{{uri}}}{name}'
        raise ValueError(f'Prefix {prefix} of QName "{prefixed_name}" is not declared in scope')

    def _qname(self, qname, uri=None):
        if uri is None: