SF patch# 1770008 by Christian Heimes (plus some extras).
Completely get rid of StringIO.py and cStringIO.c.
I had to fix a few tests and modules beyond what Christian did, and
invent a few conventions. E.g. in elementtree, I chose to
write/return Unicode strings whe no encoding is given, but bytes when
an explicit encoding is given. Also mimetools was made to always
assume binary files.
diff --git a/Lib/test/test_multifile.py b/Lib/test/test_multifile.py
index 437c394..b29137c 100644
--- a/Lib/test/test_multifile.py
+++ b/Lib/test/test_multifile.py
@@ -1,6 +1,6 @@
import mimetools
import multifile
-import cStringIO
+import io
msg = """Mime-Version: 1.0
Content-Type: multipart/mixed;
@@ -57,7 +57,7 @@
global boundaries, linecount
boundaries = 0
linecount = 0
- f = cStringIO.StringIO(msg)
+ f = io.StringIO(msg)
getMIMEMsg(multifile.MultiFile(f))
assert boundaries == 2
assert linecount == 9