83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
from ._settings import WATCH_URL
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class CouldNotRetrieveTranscript(Exception):
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"""
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Raised if a transcript could not be retrieved.
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"""
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ERROR_MESSAGE = '\nCould not retrieve a transcript for the video {video_url}!'
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CAUSE_MESSAGE_INTRO = ' This is most likely caused by:\n\n{cause}'
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CAUSE_MESSAGE = ''
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GITHUB_REFERRAL = (
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'\n\nIf you are sure that the described cause is not responsible for this error '
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'and that a transcript should be retrievable, please create an issue at '
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'https://github.com/jdepoix/youtube-transcript-api/issues. '
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'Please add which version of youtube_transcript_api you are using '
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'and provide the information needed to replicate the error. '
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'Also make sure that there are no open issues which already describe your problem!'
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)
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def __init__(self, video_id):
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self.video_id = video_id
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super(CouldNotRetrieveTranscript, self).__init__(self._build_error_message())
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def _build_error_message(self):
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cause = self.cause
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error_message = self.ERROR_MESSAGE.format(video_url=WATCH_URL.format(video_id=self.video_id))
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if cause:
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error_message += self.CAUSE_MESSAGE_INTRO.format(cause=cause) + self.GITHUB_REFERRAL
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return error_message
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@property
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def cause(self):
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return self.CAUSE_MESSAGE
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class VideoUnavailable(CouldNotRetrieveTranscript):
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CAUSE_MESSAGE = 'The video is no longer available'
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class TranscriptsDisabled(CouldNotRetrieveTranscript):
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CAUSE_MESSAGE = 'Subtitles are disabled for this video'
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class NoTranscriptAvailable(CouldNotRetrieveTranscript):
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CAUSE_MESSAGE = 'No transcripts are available for this video'
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class NotTranslatable(CouldNotRetrieveTranscript):
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CAUSE_MESSAGE = 'The requested language is not translatable'
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class TranslationLanguageNotAvailable(CouldNotRetrieveTranscript):
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CAUSE_MESSAGE = 'The requested translation language is not available'
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class CookiePathInvalid(CouldNotRetrieveTranscript):
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CAUSE_MESSAGE = 'The provided cookie file was unable to be loaded'
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class CookiesInvalid(CouldNotRetrieveTranscript):
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CAUSE_MESSAGE = 'The cookies provided are not valid (may have expired)'
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class NoTranscriptFound(CouldNotRetrieveTranscript):
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CAUSE_MESSAGE = (
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'No transcripts were found for any of the requested language codes: {requested_language_codes}\n\n'
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'{transcript_data}'
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)
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def __init__(self, video_id, requested_language_codes, transcript_data):
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self._requested_language_codes = requested_language_codes
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self._transcript_data = transcript_data
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super(NoTranscriptFound, self).__init__(video_id)
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@property
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def cause(self):
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return self.CAUSE_MESSAGE.format(
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requested_language_codes=self._requested_language_codes,
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transcript_data=str(self._transcript_data),
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)
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