att.py 文件源码

def transcribe(self, fp):
        data = fp.read()
        r = self._get_response(data)
        if r.status_code == requests.codes['unauthorized']:
            # Request token invalid, retry once with a new token
            self._logger.warning('OAuth access token invalid, generating a ' +
                                 'new one and retrying...')
            self._token = None
            r = self._get_response(data)
        try:
            r.raise_for_status()
        except requests.exceptions.HTTPError:
            self._logger.critical('Request failed with response: %r',
                                  r.text,
                                  exc_info=True)
            return []
        except requests.exceptions.RequestException:
            self._logger.critical('Request failed.', exc_info=True)
            return []
        else:
            try:
                recognition = r.json()['Recognition']
                if recognition['Status'] != 'OK':
                    raise ValueError(recognition['Status'])
                results = [(x['Hypothesis'], x['Confidence'])
                           for x in recognition['NBest']]
            except ValueError as e:
                self._logger.debug('Recognition failed with status: %s',
                                   e.args[0])
                return []
            except KeyError:
                self._logger.critical('Cannot parse response.',
                                      exc_info=True)
                return []
            else:
                transcribed = [x[0].upper() for x in sorted(results,
                                                            key=lambda x: x[1],
                                                            reverse=True)]
                self._logger.info('Transcribed: %r', transcribed)
                return transcribed