veda_file_discovery.py 文件源码

python
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项目:edx-video-pipeline 作者: edx 项目源码 文件源码
def parse_transcript_preferences(self, course_id, transcript_preferences):
        """
        Parses and validates transcript preferences.

        Arguments:
            course_id: course id identifying a course run.
            transcript_preferences: A serialized dict containing third party transcript preferences.
        """
        try:
            transcript_preferences = json.loads(transcript_preferences)
            TranscriptCredentials.objects.get(
                org=extract_course_org(course_id),
                provider=transcript_preferences.get('provider')
            )
        except (TypeError, TranscriptCredentials.DoesNotExist):
            # when the preferences are not set OR these are set to some data in invalid format OR these don't
            # have associated 3rd party transcription provider API keys.
            transcript_preferences = None
        except ValueError:
            LOGGER.exception('[File Discovery] Invalid transcripts preferences=%s', transcript_preferences)
            transcript_preferences = None

        return transcript_preferences
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