Source code for duplicity.backends.tahoebackend

# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4; encoding:utf-8 -*-
#
# Copyright 2008 Francois Deppierraz
#
# This file is part of duplicity.
#
# Duplicity 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 3 of the License, or (at your
# option) any later version.
#
# Duplicity 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 duplicity; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

import os

import duplicity.backend
from duplicity import log


[docs]class TAHOEBackend(duplicity.backend.Backend): """ Backend for the Tahoe file system """
[docs] def __init__(self, parsed_url): duplicity.backend.Backend.__init__(self, parsed_url) url = parsed_url.path.strip("/").split("/") self.alias = url[0] if len(url) > 1: self.directory = "/".join(url[1:]) else: self.directory = "" log.Debug(f"tahoe: {url} -> {self.alias}:{self.directory}")
[docs] def get_remote_path(self, filename=None): if filename is None: if self.directory != "": return f"{self.alias}:{self.directory}" else: return f"{self.alias}:" if isinstance(filename, bytes): filename = os.fsdecode(filename) if self.directory != "": return f"{self.alias}:{self.directory}/{filename}" else: return f"{self.alias}:{filename}"
[docs] def run(self, *args): cmd = " ".join(args) _, output, _ = self.subprocess_popen(cmd) return output
[docs] def _put(self, source_path, remote_filename): self.run("tahoe", "cp", source_path.uc_name, self.get_remote_path(remote_filename))
[docs] def _get(self, remote_filename, local_path): self.run("tahoe", "cp", self.get_remote_path(remote_filename), local_path.uc_name)
[docs] def _list(self): output = self.run("tahoe", "ls", self.get_remote_path()) return [os.fsencode(x) for x in output.split("\n") if x]
[docs] def _delete(self, filename): self.run("tahoe", "rm", self.get_remote_path(filename))
duplicity.backend.register_backend("tahoe", TAHOEBackend)