Current File : //lib/python3/dist-packages/duplicity/backends/tahoebackend.py
# -*- 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
class TAHOEBackend(duplicity.backend.Backend):
"""
Backend for the Tahoe file system
"""
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}")
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, b"".__class__):
filename = os.fsdecode(filename)
if self.directory != "":
return f"{self.alias}:{self.directory}/{filename}"
else:
return f"{self.alias}:{filename}"
def run(self, *args):
cmd = " ".join(args)
_, output, _ = self.subprocess_popen(cmd)
return output
def _put(self, source_path, remote_filename):
self.run("tahoe", "cp", source_path.uc_name, self.get_remote_path(remote_filename))
def _get(self, remote_filename, local_path):
self.run("tahoe", "cp", self.get_remote_path(remote_filename), local_path.uc_name)
def _list(self):
output = self.run("tahoe", "ls", self.get_remote_path())
return [os.fsencode(x) for x in output.split("\n") if x]
def _delete(self, filename):
self.run("tahoe", "rm", self.get_remote_path(filename))
duplicity.backend.register_backend("tahoe", TAHOEBackend)
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