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# -*- coding: utf-8 -*-
# Copyright 2015-2018 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
"""Exception classes used by gallery-dl
Class Hierarchy:
Exception
+-- GalleryDLException
+-- ExtractionError
| +-- AuthenticationError
| +-- AuthorizationError
| +-- NotFoundError
| +-- HttpError
+-- DownloadError
| +-- DownloadComplete
| +-- DownloadRetry
+-- NoExtractorError
+-- FormatError
+-- FilterError
+-- StopExtraction
"""
class GalleryDLException(Exception):
"""Base class for GalleryDL exceptions"""
class ExtractionError(GalleryDLException):
"""Base class for exceptions during information extraction"""
class AuthenticationError(ExtractionError):
"""Invalid or missing login information"""
class AuthorizationError(ExtractionError):
"""Insufficient privileges to access a resource"""
class NotFoundError(ExtractionError):
"""Requested resource (gallery/image) does not exist"""
class HttpError(ExtractionError):
"""HTTP request during extraction failed"""
class DownloadError(GalleryDLException):
"""Base class for exceptions during file downloads"""
class DownloadRetry(DownloadError):
"""Download attempt failed and should be retried"""
class DownloadComplete(DownloadError):
"""Output file of attempted download is already complete"""
class NoExtractorError(GalleryDLException):
"""No extractor can handle the given URL"""
class FormatError(GalleryDLException):
"""Error while building output path"""
class FilterError(GalleryDLException):
"""Error while evaluating a filter expression"""
class StopExtraction(GalleryDLException):
"""Extraction should stop"""
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