Split up version-specific semantic action code more

uncompyle6/semantics/customize26_27.py

@@ -0,0 +1,40 @@
+#  Copyright (c) 2019 by Rocky Bernstein
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""Isolate Python 2.6 and 2.7 version-specific semantic actions here.
+"""
+
+from uncompyle6.semantics.consts import TABLE_DIRECT
+
+def customize_for_version26_27(self, version):
+
+    ########################################
+    # Python 2.6+
+    #    except <condition> as <var>
+    # vs. older:
+    #    except <condition> , <var>
+    #
+    # For 2.6 we use the older syntax which
+    # matches how we parse this in bytecode
+    ########################################
+    if version > 2.6:
+        TABLE_DIRECT.update({
+            'except_cond2':	( '%|except %c as %c:\n', 1, 5 ),
+        })
+    else:
+        TABLE_DIRECT.update({
+            'except_cond3':	 ( '%|except %c, %c:\n', 1, 6 ),
+            'testtrue_then': ( 'not %p', (0, 22) ),
+
+        })