def log()

in core/file_writer.py [0:0]

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

    def log(self, to_log: Dict, tick: int = None,
            verbose: bool = False) -> None:
        if tick is not None:
            raise NotImplementedError
        else:
            to_log['_tick'] = self._tick
            self._tick += 1
        to_log['_time'] = time.time()

        old_len = len(self.fieldnames)
        for k in to_log:
            if k not in self.fieldnames:
                self.fieldnames.append(k)
        if old_len != len(self.fieldnames):
            with open(self.paths['fields'], 'w') as csvfile:
                writer = csv.writer(csvfile)
                writer.writerow(self.fieldnames)
            self._logger.info('Updated log fields: %s', self.fieldnames)

        if to_log['_tick'] == 0:
            with open(self.paths['logs'], 'a') as f:
                f.write('# %s\n' % ','.join(self.fieldnames))

        if verbose:
            self._logger.info('LOG | %s', ', '.join(
                ['{}: {}'.format(k, to_log[k]) for k in sorted(to_log)]))

        with open(self.paths['logs'], 'a') as f:
            writer = csv.DictWriter(f, fieldnames=self.fieldnames)
            writer.writerow(to_log)