def extract_files(self, *filenames):
        for filename in filenames:
            data = self.read_file(filename)
            f = open(filename, 'wb')
            f.write(data)
            f.close()
Compute a regularized covariance from data using sklearn.
dataset/ETHPy150Open Blizzard/heroprotocol/mpyq/mpyq.py/MPQArchive.extract_files--crossover with--dataset/ETHPy150Open mne-tools/mne-python/mne/cov.py/_regularized_covariance