JSONDecoder raise AttributeError with simplejson 2.1.1

[oxys]

To reproduce, setup simplejson 2.1.1

$ python
Python 2.6.1 (r261:67515, Feb 11 2010, 00:51:29) 
>>> from django.utils.simplejson.decoder import JSONDecoder
>>> JSONDecoder()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/me/Code/Django/django_trunk/django/utils/simplejson/decoder.py", line 319, in __init__
    self.scan_once = make_scanner(self)
AttributeError: 'JSONDecoder' object has no attribute 'object_pairs_hook'

Patch :

Index: django/utils/simplejson/scanner.py
===================================================================
--- django/utils/simplejson/scanner.py  (revision 13238)
+++ django/utils/simplejson/scanner.py  (working copy)
@@ -3,6 +3,10 @@
 import re
 try:
     from simplejson._speedups import make_scanner as c_make_scanner
+    from simplejson import __version__ as speedups_version
+    from . import __version__
+    if speedups_version != __version__:
+        c_make_scanner = None
 except ImportError:
     c_make_scanner = None

[Russell Keith-Magee]

The way you are deep importing into the simplejson module is preventing Django's simplejson support infrastructure from providing a complete simplejson install.

Correct usage is:

>>> from django.utils import simplejson
>>> simplejson.JSONDecoder()