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53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018-2023 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Common classes and constants used by postprocessor modules."""
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from .. import util, formatter, archive
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class PostProcessor():
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"""Base class for postprocessors"""
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def __init__(self, job):
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self.name = self.__class__.__name__[:-2].lower()
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self.log = job.get_logger("postprocessor." + self.name)
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def __repr__(self):
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return self.__class__.__name__
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def _init_archive(self, job, options, prefix=None):
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archive_path = options.get("archive")
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if archive_path:
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extr = job.extractor
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archive_path = util.expand_path(archive_path)
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if not prefix:
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prefix = "_" + self.name.upper() + "_"
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archive_format = (
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options.get("archive-prefix", extr.category) +
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options.get("archive-format", prefix + extr.archive_fmt))
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try:
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if "{" in archive_path:
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archive_path = formatter.parse(archive_path).format_map(
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job.pathfmt.kwdict)
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self.archive = archive.DownloadArchive(
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archive_path, archive_format,
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options.get("archive-pragma"),
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"_archive_" + self.name)
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except Exception as exc:
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self.log.warning(
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"Failed to open %s archive at '%s' (%s: %s)",
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self.name, archive_path, exc.__class__.__name__, exc)
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else:
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self.log.debug(
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"Using %s archive '%s'", self.name, archive_path)
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return True
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self.archive = None
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return False
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