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
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+++ 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]