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-rw-r--r--obnam/oper_forget.py62
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diff --git a/obnam/oper_forget.py b/obnam/oper_forget.py
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--- a/obnam/oper_forget.py
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-# Copyright (C) 2008 Lars Wirzenius <liw@iki.fi>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-
-"""Operation to forget generations from backup store."""
-
-
-import logging
-
-import obnam
-
-
-class Forget(obnam.Operation):
-
- """Forget specified generations."""
-
- name = "forget"
-
- def do_it(self, forgettable_ids):
- logging.debug("Forgetting generations: %s" % " ".join(forgettable_ids))
-
- logging.debug("forget: Loading and decoding host block")
- app = self.get_application()
- context = app.get_context()
- host = app.load_host()
- gen_ids = host.get_generation_ids()
- map_block_ids = host.get_map_block_ids()
- contmap_block_ids = host.get_contmap_block_ids()
-
- app.get_store().load_maps()
- app.get_store().load_content_maps()
-
- logging.debug("forget: Forgetting each id")
- for id in forgettable_ids:
- if id in gen_ids:
- gen_ids.remove(id)
- else:
- print "Warning: Generation", id, "is not known"
-
- logging.debug("forget: Uploading new host block")
- host_id = context.config.get("backup", "host-id")
- host2 = obnam.obj.HostBlockObject(host_id=host_id, gen_ids=gen_ids,
- map_block_ids=map_block_ids,
- contmap_block_ids=contmap_block_ids)
- block = host2.encode()
- obnam.io.upload_host_block(context, block)
-
- logging.debug("forget: Forgetting garbage")
- obnam.io.collect_garbage(context, block)