Commit fab0ad27 authored by Arnaud Fontaine's avatar Arnaud Fontaine

py3: Add helper functions to write code for both python2 and python3.

* Add functions to properly convert/handle bytes/str/unicode (from
  slapos.util) (stricter than six.ensure_{text,str}()).
* Python3 {keys,values,items}() now returns dict_{keys,values,items} rather than
  real list() so add ensure_list() to create a list() when it is latter modified
  but do nothing on Python2 for performance sake.
parent e609eaa4
......@@ -29,6 +29,7 @@
# Required modules - some modules are imported later to prevent circular deadlocks
from __future__ import absolute_import
import six
import os
import re
import string
......@@ -554,6 +555,24 @@ def checkPythonSourceCode(source_code_str, portal_type=None):
# Python 2-3 compat
#####################################################
if str is bytes:
bytes2str = str2bytes = lambda s: s
def unicode2str(s):
return s.encode('utf-8')
else:
def bytes2str(s):
return s.decode()
def str2bytes(s):
return s.encode()
def unicode2str(s):
return s
if six.PY3:
def ensure_list(o):
return list(o)
else:
ensure_list = lambda x: x
def with_metaclass(meta, *bases):
"""
Function from jinja2/_compat.py. License: BSD (copy/paste here for
......
......@@ -180,7 +180,9 @@ ModuleSecurityInfo('Products.ERP5Type.Utils').declarePublic(
'convertToMixedCase', 'cartesianProduct', 'sleep', 'getCommonTimeZoneList',
'int2letter', 'getMessageIdWithContext', 'getTranslationStringWithContext',
'Email_parseAddressHeader', 'guessEncodingFromText',
'isValidTALESExpression')
'isValidTALESExpression',
'ensure_list', 'bytes2str', 'str2bytes', 'unicode2str',
)
allow_module('Products.ERP5Type.Message')
ModuleSecurityInfo('Products.ERP5Type.Message').declarePublic('translateString')
......
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