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| author | Hess Chen <hesheng.chen@intel.com> | 2014-08-15 03:06:48 +0000 |
|---|---|---|
| committer | hchen30 <hchen30@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-08-15 03:06:48 +0000 |
| commit | 1be2ed90a20618d71ddf34b8a07d038da0b36854 (patch) | |
| tree | 468f6ad18b924e3a58c180403f96d5afcd47a4f9 /BaseTools/Source/Python/Common/LongFilePathSupport.py | |
| parent | b8a13d736961faff0d11241a0428abc44a084d6e (diff) | |
| download | edk2-1be2ed90a20618d71ddf34b8a07d038da0b36854.tar.gz edk2-1be2ed90a20618d71ddf34b8a07d038da0b36854.tar.bz2 edk2-1be2ed90a20618d71ddf34b8a07d038da0b36854.zip | |
There is a limitation on WINDOWS OS for the length of entire file path can’t be larger than 255. There is an OS API provided by Microsoft to add “\\?\” before the path header to support the long file path. Enable this feature on basetools.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hess Chen <hesheng.chen@intel.com>
Reviewed-by: Yingke Liu <yingke.d.liu@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15809 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'BaseTools/Source/Python/Common/LongFilePathSupport.py')
| -rw-r--r-- | BaseTools/Source/Python/Common/LongFilePathSupport.py | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/BaseTools/Source/Python/Common/LongFilePathSupport.py b/BaseTools/Source/Python/Common/LongFilePathSupport.py new file mode 100644 index 0000000000..72dde20503 --- /dev/null +++ b/BaseTools/Source/Python/Common/LongFilePathSupport.py @@ -0,0 +1,59 @@ +## @file
+# Override built in function file.open to provide support for long file path
+#
+# Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+
+import os
+import platform
+import shutil
+
+##
+# 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)
+
+##
+# 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)
+
+## Convert a python unicode string to a normal string
+#
+# Convert a python unicode string to a normal string
+# UniToStr(u'I am a string') is 'I am a string'
+#
+# @param Uni: The python unicode string
+#
+# @retval: The formatted normal string
+#
+def UniToStr(Uni):
+ return repr(Uni)[2:-1]
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