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#
# Copyright (c) 2018 Red Hat, Inc. <http://www.redhat.com>
# This file is part of GlusterFS.
# This file is licensed to you under your choice of the GNU Lesser
# General Public License, version 3 or any later version (LGPLv3 or
# later), or the GNU General Public License, version 2 (GPLv2), in all
# cases as published by the Free Software Foundation.
#
# All python2/python3 compatibility routines
import sys
import os
if sys.version_info >= (3,):
def pipe():
(r, w) = os.pipe()
os.set_inheritable(r, True)
os.set_inheritable(w, True)
return (r, w)
# Raw conversion of bytearray to string. Used in the cases where
# buffer is created by create_string_buffer which is a 8-bit char
# array and passed to syscalls to fetch results. Using encode/decode
# doesn't work as it converts to string altering the size.
def bytearray_to_str(byte_arr):
return ''.join([chr(b) for b in byte_arr])
# Raw conversion of string to bytes. This is required to convert
# back the string into bytearray(c char array) to use in struc
# pack/unpacking. Again encode/decode can't be used as it
# converts it alters size.
def str_to_bytearray(string):
return bytes([ord(c) for c in string])
else:
def pipe():
(r, w) = os.pipe()
return (r, w)
# Raw conversion of bytearray to string
def bytearray_to_str(byte_arr):
return ''.join([b for b in byte_arr])
# Raw conversion of string to bytearray
def str_to_bytearray(string):
return b"".join([c for c in string])
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