audk/BaseTools/Source/Python/Common/LongFilePathSupport.py

46 lines
1.3 KiB
Python

## @file
# Override built in function file.open to provide support for long file path
#
# Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
import os
import platform
import shutil
import codecs
##
# OpenLongPath
# Convert a file path to a long file path
#
def LongFilePath(FileName):
FileName = os.path.normpath(FileName)
if platform.system() == 'Windows':
if FileName.startswith('\\\\?\\'):
return FileName
if FileName.startswith('\\\\'):
return '\\\\?\\UNC\\' + FileName[2:]
if os.path.isabs(FileName):
return '\\\\?\\' + FileName
return FileName
##
# OpenLongFilePath
# wrap open to support opening a long file path
#
def OpenLongFilePath(FileName, Mode='r', Buffer= -1):
return open(LongFilePath(FileName), Mode, Buffer)
def CodecOpenLongFilePath(Filename, Mode='rb', Encoding=None, Errors='strict', Buffering=1):
return codecs.open(LongFilePath(Filename), Mode, Encoding, Errors, Buffering)
##
# CopyLongFilePath
# wrap copyfile to support copy a long file path
#
def CopyLongFilePath(src, dst):
with open(LongFilePath(src), 'rb') as fsrc:
with open(LongFilePath(dst), 'wb') as fdst:
shutil.copyfileobj(fsrc, fdst)