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#!/usr/bin/env python3
# SPDX-License-Identifier: MPL-2.0
#
# libpathrs: safe path resolution on Linux
# Copyright (C) 2019-2025 Aleksa Sarai <cyphar@cyphar.com>
# Copyright (C) 2019-2025 SUSE LLC
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
# File: examples/python/cat.py
#
# An example program which opens a file inside a root and outputs its contents
# using libpathrs.
import os
import sys
sys.path.append(os.path.dirname(__file__) + "/../contrib/bindings/python")
import pathrs
def chomp(s):
for nl in ["\r\n", "\r", "\n"]:
if s.endswith(nl):
return s[: -len(nl)]
return s
def main(root_path, unsafe_path):
# Test that context managers work properly with WrappedFd:
with pathrs.Root(root_path) as root:
with root.open(unsafe_path, "r") as f:
for line in f:
line = chomp(line)
print(line)
if __name__ == "__main__":
main(*sys.argv[1:])
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