Function _iterencode

Lib/json/encoder.py:426–460

(o, _current_indent_level)

            del markers[markerid]

    def _iterencode(o, _current_indent_level):
        if isinstance(o, str):
            yield _encoder(o)
        elif o is None:
            yield 'null'
        elif o is True:
            yield 'true'
        elif o is False:
            yield 'false'
        elif isinstance(o, int):
            # see comment for int/float in _make_iterencode
            yield _intstr(o)
        elif isinstance(o, float):
            # see comment for int/float in _make_iterencode
            yield _floatstr(o)
        elif isinstance(o, (list, tuple)):
            yield from _iterencode_list(o, _current_indent_level)
        elif isinstance(o, dict):
            yield from _iterencode_dict(o, _current_indent_level)
        else:
            if markers is not None:
                markerid = id(o)
                if markerid in markers:
                    raise ValueError("Circular reference detected")
                markers[markerid] = o
            newobj = _default(o)
            try:
                yield from _iterencode(newobj, _current_indent_level)
            except GeneratorExit:
                raise
            except BaseException as exc:
                exc.add_note(f'when serializing {type(o).__name__} object')
                raise
            if markers is not None:
                del markers[markerid]
    return _iterencode