csv_loader_for_redshift.py 文件源码

def import_module(filepath):
    class_inst = None
    #expected_class = 'MyClass'

    mod_name,file_ext = os.path.splitext(os.path.split(filepath)[-1])
    assert os.path.isfile(filepath), 'File %s does not exists.' % filepath
    if file_ext.lower() == '.py':
        py_mod = imp.load_source(mod_name, filepath)

    elif file_ext.lower() == '.pyc':
        py_mod = imp.load_compiled(mod_name, filepath)
    return py_mod