Implements issue #9951: Adds a hex() method to bytes, bytearray, & memoryview.

Also updates a few internal implementations of the same thing to use the
new built-in code.

Contributed by Arnon Yaari.

2 files changed, 9 insertions, 1 deletions

diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index ad28300..1c832aa 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -301,6 +301,14 @@ class BaseBytesTest:
         self.assertRaises(ValueError, self.type2test.fromhex, '\x00')
         self.assertRaises(ValueError, self.type2test.fromhex, '12   \x00   34')
 
+    def test_hex(self):
+        self.assertRaises(TypeError, self.type2test.hex)
+        self.assertRaises(TypeError, self.type2test.hex, 1)
+        self.assertEquals(self.type2test(b"").hex(), "")
+        self.assertEquals(bytearray([0x1a, 0x2b, 0x30]).hex(), '1a2b30')
+        self.assertEquals(self.type2test(b"\x1a\x2b\x30").hex(), '1a2b30')
+        self.assertEquals(memoryview(b"\x1a\x2b\x30").hex(), '1a2b30')
+
     def test_join(self):
         self.assertEqual(self.type2test(b"").join([]), b"")
         self.assertEqual(self.type2test(b"").join([b""]), b"")
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index bbe5a13..b92c4b5 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -659,7 +659,7 @@ plain ol' Python and is guaranteed to be available.
 
     >>> import builtins
     >>> tests = doctest.DocTestFinder().find(builtins)
-    >>> 790 < len(tests) < 800 # approximate number of objects with docstrings
+    >>> 790 < len(tests) < 810 # approximate number of objects with docstrings
     True
     >>> real_tests = [t for t in tests if len(t.examples) > 0]
     >>> len(real_tests) # objects that actually have doctests