How to use 'python3 import local file' in Python

90
def __import__(name, globals=None, locals=None, fromlist=None):
91
    """An alternative to the import function so that we can import
92
    modules defined as strings.
93
94
    This code was taken from: http://docs.python.org/lib/examples-imp.html
95
    """
96
    # Fast path: see if the module has already been imported.
97
    try:
98
        return sys.modules[name]
99
    except KeyError:
100
        pass
101
102
    # If any of the following calls raises an exception,
103
    # there's a problem we can't handle -- let the caller handle it.
104
    module_name = name.split('.')[-1]
105
    module_path = os.path.join(EXAMPLE_DIR, *name.split('.')[:-1])
106
107
    fp, pathname, description = imp.find_module(module_name, [module_path])
108
109
    try:
110
        return imp.load_module(module_name, fp, pathname, description)
111
    finally:
112
        # Since we may exit via an exception, close fp explicitly.
113
        if fp:
114
            fp.close()