(original) (raw)
Index: Python/pythonrun.c =================================================================== --- Python/pythonrun.c (revision 67040) +++ Python/pythonrun.c (working copy) @@ -1417,16 +1417,19 @@ PyCompilerFlags *flags, PyArena *arena) { mod_ty mod; + PyCompilerFlags localflags; perrdetail err; int iflags = PARSER_FLAGS(flags); node *n = PyParser_ParseStringFlagsFilenameEx(s, filename, &_PyParser_Grammar, start, &err, &iflags); + if (flags == NULL) { + localflags.cf_flags = 0; + flags = &localflags; + } if (n) { - if (flags) { - flags->cf_flags |= iflags & PyCF_MASK; - } + flags->cf_flags |= iflags & PyCF_MASK; mod = PyAST_FromNode(n, flags, filename, arena); PyNode_Free(n); return mod; @@ -1443,15 +1446,18 @@ PyArena *arena) { mod_ty mod; + PyCompilerFlags localflags; perrdetail err; int iflags = PARSER_FLAGS(flags); node *n = PyParser_ParseFileFlagsEx(fp, filename, &_PyParser_Grammar, start, ps1, ps2, &err, &iflags); + if (flags == NULL) { + localflags.cf_flags = 0; + flags = &localflags; + } if (n) { - if (flags) { - flags->cf_flags |= iflags & PyCF_MASK; - } + flags->cf_flags |= iflags & PyCF_MASK; mod = PyAST_FromNode(n, flags, filename, arena); PyNode_Free(n); return mod; Index: Lib/test/test_future.py =================================================================== --- Lib/test/test_future.py (revision 67040) +++ Lib/test/test_future.py (working copy) @@ -106,7 +106,12 @@ test_support.unload("test.test_future5") from test import test_future5 + def test_unicode_literals_exec(self): + scope = {} + exec "from __future__ import unicode_literals; x = ''" in scope + self.assertTrue(isinstance(scope["x"], unicode)) + def test_main(): test_support.run_unittest(FutureTest)