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e8672f3fbe
This change allows MetadataFactory.iterate_folders to recognize when MetadataFactory has retrieved a malformed HTML file, or an HTML file that does not contain the table and rows that it expects to see. If the URL is correct, it should retrieve the right page, but this is not guaranteed, and MetadataFactory should be able to recover and generate an appropriate error message. One possible situation where this kind of error might occur could be when the user is connected to a public WIFI network, but not logged in. The router would redirect aqt to the network login page, and aqt would have no way of knowing that it did not receive the correct page. Aqt should be resilient to this kind of error.
105 lines
3.3 KiB
Python
105 lines
3.3 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2019-2021 Hiroshi Miura <miurahr@linux.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy of
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# this software and associated documentation files (the "Software"), to deal in
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# the Software without restriction, including without limitation the rights to
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# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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# the Software, and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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from typing import Iterable
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DOCS_CONFIG = "https://aqtinstall.readthedocs.io/en/stable/configuration.html#configuration"
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class AqtException(Exception):
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def __init__(self, *args, **kwargs):
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self.suggested_action: Iterable[str] = kwargs.pop("suggested_action", [])
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self.should_show_help: bool = kwargs.pop("should_show_help", False)
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super(AqtException, self).__init__(*args, **kwargs)
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def __format__(self, format_spec) -> str:
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base_msg = "{}".format(super(AqtException, self).__format__(format_spec))
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if not self.suggested_action:
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return base_msg
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return f"{base_msg}\n{self._format_suggested_follow_up()}"
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def _format_suggested_follow_up(self) -> str:
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return ("=" * 30 + "Suggested follow-up:" + "=" * 30 + "\n") + "\n".join(
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["* " + suggestion for suggestion in self.suggested_action]
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)
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def append_suggested_follow_up(self, suggestions: Iterable[str]):
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if self.suggested_action:
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self.suggested_action = [*self.suggested_action, *suggestions]
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else:
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self.suggested_action = suggestions
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class ArchiveDownloadError(AqtException):
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pass
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class ArchiveChecksumError(ArchiveDownloadError):
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pass
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class ChecksumDownloadFailure(ArchiveDownloadError):
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def __init__(self, *args, **kwargs):
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kwargs["suggested_action"] = kwargs.pop("suggested_action", []).extend(
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[
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"Check your internet connection",
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"Consider modifying `requests.max_retries_to_retrieve_hash` in settings.ini",
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f"Consider modifying `mirrors.trusted_mirrors` in settings.ini (see {DOCS_CONFIG})",
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]
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)
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kwargs["should_show_help"] = True
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super(ChecksumDownloadFailure, self).__init__(*args, **kwargs)
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class ArchiveConnectionError(AqtException):
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pass
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class ArchiveListError(AqtException):
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pass
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class NoPackageFound(AqtException):
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pass
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class EmptyMetadata(AqtException):
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pass
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class CliInputError(AqtException):
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pass
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class CliKeyboardInterrupt(AqtException):
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pass
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class ArchiveExtractionError(AqtException):
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pass
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class UpdaterError(AqtException):
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pass
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class OutOfMemory(AqtException):
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pass
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