#!/usr/bin/env python
# -*- coding: utf-8 -*-
# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
# Copyright (c) 2014 Kevin B. Hendricks, John Schember, and Doug Massay
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
# SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
# WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from __future__ import unicode_literals, division, absolute_import, print_function
from .compatibility_utils import PY2, text_type, binary_type
import sys
import os
# utility routines to convert all paths to be full unicode
# Under Python 2, if a bytestring, try to convert it to unicode using sys.getfilesystemencoding
# Under Python 3, if bytes, try to convert it to unicode using os.fsencode() to decode it
# Mac OS X and Windows will happily support full unicode paths
# Linux can support full unicode paths but allows arbitrary byte paths which may be inconsistent with unicode
fsencoding = sys.getfilesystemencoding()
def pathof(s, enc=fsencoding):
if s is None:
return None
if isinstance(s, text_type):
return s
if isinstance(s, binary_type):
try:
return s.decode(enc)
except:
pass
return s
def exists(s):
return os.path.exists(pathof(s))
def isfile(s):
return os.path.isfile(pathof(s))
def isdir(s):
return os.path.isdir(pathof(s))
def mkdir(s):
return os.mkdir(pathof(s))
def listdir(s):
rv = []
for file in os.listdir(pathof(s)):
rv.append(pathof(file))
return rv
def getcwd():
if PY2:
return os.getcwdu()
return os.getcwd()
def walk(top):
top = pathof(top)
rv = []
for base, dnames, names in os.walk(top):
base = pathof(base)
for name in names:
name = pathof(name)
rv.append(relpath(os.path.join(base, name), top))
return rv
def relpath(path, start=None):
return os.path.relpath(pathof(path) , pathof(start))
def abspath(path):
return os.path.abspath(pathof(path))
