# BAREOS - Backup Archiving REcovery Open Sourced
#
# Copyright (C) 2015-2021 Bareos GmbH & Co. KG
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of version three of the GNU Affero General Public
# License as published by the Free Software Foundation and included
# in the file LICENSE.
#
# 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
# Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero 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.
"""
Handle file paths.
"""
from copy import copy
[docs]class Path(object):
"""
Class to handle file paths.
"""
def __init__(self, path=None):
"""\
Args:
path (str, optional): string representation of the file system path.
"""
self.__set_defaults()
self.set_path(path)
def __str__(self):
result = ""
if self.is_root():
result += "/"
result += "/".join(self.path)
if (not self.is_root()) or self.len() > 0:
if self.is_directory():
result += "/"
return result
def __set_defaults(self):
self.path_orig = None
self.root = False
self.directory = False
self.path = None
def set_path(self, path):
if path == None:
self.__set_defaults()
elif isinstance(path, str):
self.path_orig = path
components = self.path_orig.split("/")
self.path = [i for i in components if i != ""]
if path == "":
self.root = False
self.directory = True
else:
self.root = False
if self.path_orig[0] == "/":
self.root = True
self.directory = False
if components[-1] == "":
self.directory = True
else:
# exception
pass
def get(self, index=None):
if index == None:
return self.path
else:
return self.path[index]
[docs] def shift(self):
"""
Removes the first component of the path.
Example:
.. code:: python
>>> path = Path("/usr/bin/python")
>>> path.shift()
'usr'
>>> print(path)
/bin/python
Returns:
str: First component of the path.
Raises:
IndexError: if path can't be shifted (path is empty).
"""
result = self.get(0)
self.remove(0)
return result
def is_directory(self):
return self.directory
def is_root(self):
return self.root
def remove(self, index):
del self.path[index]
def len(self):
return len(self.path)