BaseTools: Replace StringIO.StringIO with io.BytesIO

Replace StringIO.StringIO with io.BytesIO to be compatible with python3.
This commit also removes "import StringIO" from those python scripts
that don't really use it.

Contributed-under: TianoCore Contribution Agreement 1.1
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/BaseTools/Source/Python/build/BuildReport.py b/BaseTools/Source/Python/build/BuildReport.py
index c9648a9299..897167cd11 100644
--- a/BaseTools/Source/Python/build/BuildReport.py
+++ b/BaseTools/Source/Python/build/BuildReport.py
@@ -28,7 +28,7 @@ import hashlib
 import subprocess

 import threading

 from datetime import datetime

-from StringIO import StringIO

+from io import BytesIO

 from Common import EdkLogger

 from Common.Misc import SaveFileOnChange

 from Common.Misc import GuidStructureByteArrayToGuidString

@@ -2169,7 +2169,7 @@ class BuildReport(object):
     def GenerateReport(self, BuildDuration, AutoGenTime, MakeTime, GenFdsTime):

         if self.ReportFile:

             try:

-                File = StringIO('')

+                File = BytesIO('')

                 for (Wa, MaList) in self.ReportList:

                     PlatformReport(Wa, MaList, self.ReportType).GenerateReport(File, BuildDuration, AutoGenTime, MakeTime, GenFdsTime, self.ReportType)

                 Content = FileLinesSplit(File.getvalue(), gLineMaxLength)