2.6 "if" vs "if/else" disambiguation via reduction rule.

test/stdlib/runtests.sh

@@ -71,13 +71,10 @@ case $PYVERSION in
     2.6)
 	SKIP_TESTS=(
 	    [test_aepack.py]=1 # Fails on its own
-	    [test_compile.py]=1  # Intermittent - sometimes works and sometimes doesn't
  	    [test_dis.py]=1        # We change line numbers - duh!
 	    [test_generators.py]=1 # Investigate
 	    [test_grp.py]=1      # Long test - might work Control flow?
 	    [test_pep352.py]=1     # Investigate
-	    [test_pprint.py]=1
-	    [test_pty.py]=1
 	    [test_pyclbr.py]=1 # Investigate
 	    [test_pwd.py]=1 # Long test - might work? Control flow?
 	    [test_trace.py]=1  # Line numbers are expected to be different

uncompyle6/parsers/parse26.py

@@ -343,6 +343,7 @@ class Python26Parser(Python2Parser):
         super(Python26Parser, self).customize_grammar_rules(tokens, customize)
         self.check_reduce['and'] = 'AST'
         self.check_reduce['assert_expr_and'] = 'AST'
+        self.check_reduce["ifstmt"] = "tokens"
         self.check_reduce['list_for'] = 'AST'
         self.check_reduce['try_except'] = 'tokens'
         self.check_reduce['tryelsestmt'] = 'AST'
@@ -382,6 +383,16 @@ class Python26Parser(Python2Parser):
 
             return not (jmp_target == tokens[test_index].offset or
                         tokens[last].pattr == jmp_false.pattr)
+
+        elif rule == ("ifstmt", ("testexpr", "_ifstmts_jump")):
+            for i in range(last-1, last-4, -1):
+                t = tokens[i]
+                if t == "JUMP_FORWARD":
+                    return t.attr > tokens[min(last, len(tokens)-1)].off2int()
+                elif t not in ("POP_TOP", "COME_FROM"):
+                    break
+                pass
+            pass
         elif rule == (
                 'list_for',
                 ('expr', 'for_iter', 'store', 'list_iter',