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# -*- coding: utf-8 -*-
# Copyright 2018-2023 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.
"""Common classes and constants used by postprocessor modules."""
from .. import util, formatter
class PostProcessor():
"""Base class for postprocessors"""
def __init__(self, job):
self.name = self.__class__.__name__[:-2].lower()
self.log = job.get_logger("postprocessor." + self.name)
def __repr__(self):
return self.__class__.__name__
def _init_archive(self, job, options, prefix=None):
archive = options.get("archive")
if archive:
extr = job.extractor
archive = util.expand_path(archive)
if not prefix:
prefix = "_" + self.name.upper() + "_"
archive_format = (
options.get("archive-prefix", extr.category) +
options.get("archive-format", prefix + extr.archive_fmt))
try:
if "{" in archive:
archive = formatter.parse(archive).format_map(
job.pathfmt.kwdict)
self.archive = util.DownloadArchive(
archive, archive_format,
options.get("archive-pragma"),
"_archive_" + self.name)
except Exception as exc:
self.log.warning(
"Failed to open %s archive at '%s' ('%s: %s')",
self.name, archive, exc.__class__.__name__, exc)
else:
self.log.debug("Using %s archive '%s'", self.name, archive)
return True
else:
self.archive = None
return False
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