Implement PEP 3131. Add isidentifier to str.

1 files changed, 29 insertions, 0 deletions

diff --git a/Lib/test/test_pep3131.py b/Lib/test/test_pep3131.py
new file mode 100644
index 0000000..94801c9
--- /dev/null
+++ b/Lib/test/test_pep3131.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+import unittest
+from test import test_support
+
+class PEP3131Test(unittest.TestCase):
+
+    def test_valid(self):
+        class T:
+            ä = 1
+            µ = 2 # this is a compatibility character
+            蟒 = 3
+        self.assertEquals(getattr(T, "\xe4"), 1)
+        self.assertEquals(getattr(T, "\u03bc"), 2)
+        self.assertEquals(getattr(T, '\u87d2'), 3)
+
+    def test_invalid(self):
+        try:
+            from test import badsyntax_3131
+        except SyntaxError as s:
+            self.assertEquals(str(s),
+              "invalid character in identifier (badsyntax_3131.py, line 2)")
+        else:
+            self.fail("expected exception didn't occur")
+
+def test_main():
+    test_support.run_unittest(PEP3131Test)
+
+if __name__=="__main__":
+    test_main()