def get_parallel_file_pair_preprocessor()

in access/preprocess.py [0:0]

• 26 lines of code
• 3 McCabe index (conditional complexity)

def get_parallel_file_pair_preprocessor(file_pair_preprocessor, n_jobs):
    if n_jobs == 1:
        return file_pair_preprocessor
    n_jobs = get_real_n_jobs(n_jobs)

    @wraps(file_pair_preprocessor)
    def parallel_file_pair_preprocessor(complex_filepath, simple_filepath, output_complex_filepath,
                                        output_simple_filepath):
        temp_complex_filepaths = get_temp_filepaths(n_jobs)
        temp_simple_filepaths = get_temp_filepaths(n_jobs)
        split_file(complex_filepath, temp_complex_filepaths, round_robin=True)
        split_file(simple_filepath, temp_simple_filepaths, round_robin=True)
        preprocessed_temp_complex_filepaths = get_temp_filepaths(n_jobs)
        preprocessed_temp_simple_filepaths = get_temp_filepaths(n_jobs)
        tasks = [
            delayed(file_pair_preprocessor)(*paths)
            for paths in zip(temp_complex_filepaths, temp_simple_filepaths, preprocessed_temp_complex_filepaths,
                             preprocessed_temp_simple_filepaths)
        ]
        Parallel(n_jobs=n_jobs)(tasks)
        merge_files(preprocessed_temp_complex_filepaths, output_complex_filepath, round_robin=True)
        merge_files(preprocessed_temp_simple_filepaths, output_simple_filepath, round_robin=True)
        delete_files(temp_complex_filepaths)
        delete_files(temp_simple_filepaths)
        delete_files(preprocessed_temp_complex_filepaths)
        delete_files(preprocessed_temp_simple_filepaths)

    return parallel_file_pair_preprocessor