BaseTools: Refactor python except statements

Convert "except ... ," to "except ... as" to be compatible with python3.
Based on "futurize -f lib2to3.fixes.fix_except"

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, 3 insertions, 3 deletions

diff --git a/BaseTools/Source/Python/Common/RangeExpression.py b/BaseTools/Source/Python/Common/RangeExpression.py
index 7f504d6e31..b6f9944705 100644
--- a/BaseTools/Source/Python/Common/RangeExpression.py
+++ b/BaseTools/Source/Python/Common/RangeExpression.py
@@ -422,7 +422,7 @@ class RangeExpression(BaseExpression):
             Op = self._Token

             try:

                 Val = self.Eval(Op, Val, EvalFunc())

-            except WrnExpression, Warn:

+            except WrnExpression as Warn:

                 self._WarnExcept = Warn

                 Val = Warn.result

         return Val

@@ -445,7 +445,7 @@ class RangeExpression(BaseExpression):
                 Op += ' ' + self._Token

             try:

                 Val = self.Eval(Op, Val, self._RelExpr())

-            except WrnExpression, Warn:

+            except WrnExpression as Warn:

                 self._WarnExcept = Warn

                 Val = Warn.result

         return Val

@@ -457,7 +457,7 @@ class RangeExpression(BaseExpression):
             Val = self._NeExpr()

             try:

                 return self.Eval(Token, Val)

-            except WrnExpression, Warn:

+            except WrnExpression as Warn:

                 self._WarnExcept = Warn

                 return Warn.result

         return self._IdenExpr()