Fix the encodings package codec search function to only search

inside its own package. Fixes problem reported in patch #1433198.

Add codec search function for codec test codec.

1 files changed, 13 insertions, 2 deletions

diff --git a/Lib/test/test_charmapcodec.py b/Lib/test/test_charmapcodec.py
index 79d82c1..2866984 100644
--- a/Lib/test/test_charmapcodec.py
+++ b/Lib/test/test_charmapcodec.py
@@ -11,8 +11,19 @@ Written by Marc-Andre Lemburg (mal@lemburg.com).
 
 import test.test_support, unittest
 
-# test codec's full path name (see test/testcodec.py)
-codecname = 'test.testcodec'
+import codecs
+
+# Register a search function which knows about our codec
+def codec_search_function(encoding):
+    if encoding == 'testcodec':
+        from test import testcodec
+        return tuple(testcodec.getregentry())
+    return None
+
+codecs.register(codec_search_function)
+
+# test codec's name (see test/testcodec.py)
+codecname = 'testcodec'
 
 class CharmapCodecTest(unittest.TestCase):
     def test_constructorx(self):