Method allocate

awscli/s3transfer/utils.py:331–337

(self, filename, size)

        return os.path.join(path, temp_filename)

    def allocate(self, filename, size):
        try:
            with self.open(filename, 'wb') as f:
                fallocate(f, size)
        except OSError:
            self.remove_file(filename)
            raise


class DeferredOpenFile: