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# -*- coding: utf-8 -*-
# Copyright 2018-2025 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 archive
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):
if archive_path := options.get("archive"):
extr = job.extractor
archive_table = options.get("archive-table")
archive_prefix = options.get("archive-prefix")
if archive_prefix is None:
archive_prefix = extr.category if archive_table is None else ""
archive_format = options.get("archive-format")
if archive_format is None:
if prefix is None:
prefix = "_" + self.name.upper() + "_"
archive_format = prefix + extr.archive_fmt
try:
self.archive = archive.connect(
archive_path,
archive_prefix,
archive_format,
archive_table,
"file",
options.get("archive-pragma"),
job.pathfmt.kwdict,
"_archive_" + self.name,
)
except Exception as exc:
self.log.warning(
"Failed to open %s archive at '%s' (%s: %s)",
self.name, archive_path, exc.__class__.__name__, exc)
else:
self.log.debug(
"Using %s archive '%s'", self.name, archive_path)
return True
self.archive = None
return False
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