Changes between Version 4 and Version 5 of python2and3CompatiblityEN

Timestamp:

Jun 13, 2013, 1:11:53 AM (11 years ago)

Author:

Martin Kolman

Comment:

--

python2and3CompatiblityEN

@@ -40 +40 @@
 If Python 2.5 doesn't have to be supported, just using the ''as'' syntax is enough for the exception handling code to be Python 2.6-3.3+ compatible.
 
+== Text vs binary data ==
+Python 3 tries to enforce quite strong type checking for text vs binary data. There for all ''open'' calls need to properly use the ''b'' flag with working with binary data. Python 2 also understands this flag, so keeping file opening compatible is easy.
+
 == Unicode handling ==
+The ''u'' prefix used for marking up Unicode data in Python 2 is gone in Python 3.0-3.2, but was reintroduced in Python 3.3. The ''six'' compatibility library has the ''u()'' function, that can be used the replace the ''u'' prefix and abstract it's behavior in Python 2 & 3.
 
 == Library renaming ==