BaseTools: remove unnecessary calls of os.exist

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2101

This patch is going to remove unnecessary calls
of os.exist()

Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/BaseTools/Source/Python/AutoGen/UniClassObject.py b/BaseTools/Source/Python/AutoGen/UniClassObject.py
index 9f6a271566..b2895f7e5c 100644
--- a/BaseTools/Source/Python/AutoGen/UniClassObject.py
+++ b/BaseTools/Source/Python/AutoGen/UniClassObject.py
@@ -371,13 +371,12 @@ class UniFileClassObject(object):
     # Pre-process before parse .uni file

     #

     def PreProcess(self, File):

-        if not os.path.exists(File.Path) or not os.path.isfile(File.Path):

-            EdkLogger.error("Unicode File Parser", FILE_NOT_FOUND, ExtraData=File.Path)

-

         try:

             FileIn = UniFileClassObject.OpenUniFile(LongFilePath(File.Path))

         except UnicodeError as X:

             EdkLogger.error("build", FILE_READ_FAILURE, "File read failure: %s" % str(X), ExtraData=File.Path);

+        except OSError:

+            EdkLogger.error("Unicode File Parser", FILE_NOT_FOUND, ExtraData=File.Path)

         except:

             EdkLogger.error("build", FILE_OPEN_FAILURE, ExtraData=File.Path);