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# encoding: utf-8

"""

A simple utility to import something by its string name.

"""

# Copyright (c) IPython Development Team.

# Distributed under the terms of the Modified BSD License.

def import_item(name):

"""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.

"""

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])