Changes between Version 13 and Version 14 of DeveloperGuidelines/Py_2_3

Timestamp:

06/26/19 19:23:19 (6 years ago)

Author:

Dominic König

Comment:

--

DeveloperGuidelines/Py_2_3

@@ -93 +93 @@
 ||INTEGER_TYPES||{{{from s3compat import INTEGER_TYPES}}}||maps to tuple of all known integer types: (int,long) in Py2, (int,) in Py3), for use with {{{isinstance}}}||
 
-=== No dict.iteritems ===
+=== No dict.iteritems, iterkeys or itervalues ===
 
-Python-3 does not support {{{dict.iteritems()}}}. We use {{{dict.items()}}} instead:
+Python-3 does no longer have {{{dict.iteritems()}}}. We use {{{dict.items()}}} instead:
 
 {{{#!python
@@ -105 +105 @@
 
 NB In Python-2, {{{dict.items()}}} returns a list of tuples, but in Python-3 it returns a dict view object that is sensitive to changes of the dict. If a list is required, or the dict is changed inside the loop, the result of {{{dict.items()}}} must be converted into a list explicitly.
+
+The same applies to {{{dict.iterkeys()}}} (use {{{dict.keys()}}} instead) and {{{dict.itervalues()}}} (use {{{dict.values()}}} instead).
+