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"""Library specific exception definitions.""" |
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from typing import Union, Pattern |
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class PytubeError(Exception): |
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"""Base pytube exception that all others inherent. |
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This is done to not pollute the built-in exceptions, which *could* result |
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in unintended errors being unexpectedly and incorrectly handled within |
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implementers code. |
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""" |
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class ExtractError(PytubeError): |
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"""Data extraction based exception.""" |
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class RegexMatchError(ExtractError): |
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"""Regex pattern did not return any matches.""" |
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def __init__(self, caller: str, pattern: Union[str, Pattern]): |
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""" |
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:param str caller: |
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Calling function |
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:param str pattern: |
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Pattern that failed to match |
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""" |
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super().__init__( |
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"{caller}: could not find match for {pattern}".format( |
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caller=caller, pattern=pattern |
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) |
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) |
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self.caller = caller |
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self.pattern = pattern |
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class LiveStreamError(ExtractError): |
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"""Video is a live stream.""" |
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class VideoUnavailable(PytubeError): |
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"""Video is unavailable.""" |
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def __init__(self, video_id: str): |
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""" |
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:param str video_id: |
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A YouTube video identifier. |
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""" |
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super().__init__("{video_id} is unavailable".format(video_id=video_id)) |
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self.video_id = video_id |
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class HTMLParseError(PytubeError): |
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"""HTML could not be parsed""" |
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