Latin-1 source code was not being properly decoded when passed through

compile(). This was due to left-over special-casing before UTF-8 became the
default source encoding.

Closes issue #3574. Thanks to Victor Stinner for help with the patch.

1 files changed, 17 insertions, 1 deletions

diff --git a/Lib/test/test_pep3120.py b/Lib/test/test_pep3120.py
index 3bb30ca..81d15bc 100644
--- a/Lib/test/test_pep3120.py
+++ b/Lib/test/test_pep3120.py
@@ -23,8 +23,24 @@ class PEP3120Test(unittest.TestCase):
         else:
             self.fail("expected exception didn't occur")
 
+
+class BuiltinCompileTests(unittest.TestCase):
+
+    # Issue 3574.
+    def test_latin1(self):
+        # Allow compile() to read Latin-1 source.
+        source_code = '# coding: Latin-1\nu = "Ç"\n'.encode("Latin-1")
+        try:
+            code = compile(source_code, '<dummy>', 'exec')
+        except SyntaxError:
+            self.fail("compile() cannot handle Latin-1 source")
+        ns = {}
+        exec(code, ns)
+        self.assertEqual('Ç', ns['u'])
+
+
 def test_main():
-    support.run_unittest(PEP3120Test)
+    support.run_unittest(PEP3120Test, BuiltinCompileTests)
 
 if __name__=="__main__":
     test_main()