Function import_item

traitlets/utils/importstring.py:11–41

Import and return ``bar`` given the string ``foo.bar``. Calling ``bar = import_item("foo.bar")`` is the functional equivalent of executing the code ``from foo import bar``. Parameters ---------- name : string The fully qualified name of the module/package being imported

(name: str)

def import_item(name: str) -> Any:
    """Import and return ``bar`` given the string ``foo.bar``.

    Calling ``bar = import_item("foo.bar")`` is the functional equivalent of
    executing the code ``from foo import bar``.

    Parameters
    ----------
    name : string
        The fully qualified name of the module/package being imported.

    Returns
    -------
    mod : module object
        The module that was imported.
    """
    if not isinstance(name, str):
        raise TypeError("import_item accepts strings, not '%s'." % type(name))
    parts = name.rsplit(".", 1)
    if len(parts) == 2:
        # called with 'foo.bar....'
        package, obj = parts
        module = __import__(package, fromlist=[obj])
        try:
            pak = getattr(module, obj)
        except AttributeError as e:
            raise ImportError("No module named %s" % obj) from e
        return pak
    else:
        # called with un-dotted string
        return __import__(parts[0])