TypeError: unorderable types: CharField() < CharField()

[Etienne Robillard]

Hi,


What could be causing this error? I'm using Python 3.5.9 and Django 1.4. I used the 2to3 utility to adapt Django to Python 3.

TIA,

Etienne

+ export PATH=/bin:/usr/bin:/usr/local/bin:/home/erob/bin
+ pwd
+ ROOTDIR=/home/erob/src/django-livestore
+ SATCHMO_ROOTDIR=/home/erob/src/django-livestore
+ export SATCHMO_ROOTDIR
+ CONTRIBDIR=/home/erob/src/django-livestore/contrib
+ LIBDIR=/home/erob/src/django-livestore/lib
+ DJANGO_SETTINGS_MODULE=local_settings
+ export DJANGO_SETTINGS_MODULE
+ test -z /home/erob/src/django-livestore/contrib/django-1.4:/home/erob/src/django-livestore:/home/erob/src/django-livestore/lib:/home/erob/src/django-livestore/contrib:/home/erob/src/django-livestore/lib:/home/erob/src/django-livestore/contrib/site-packages
+ err=3
+ test 3 -eq 3
+ /usr/bin/python3 /usr/local/bin/httpserver.py -d -c /home/erob/src/django-livestore/conf/satchmo_conf.ini --disable-auth --settings=local_settings --pythonpath=/home/erob/src/django-livestore/contrib/django-1.4:/home/erob/src/django-livestore:/home/erob/src/django-livestore/lib:/home/erob/src/django-livestore/contrib:/home/erob/src/django-livestore/lib:/home/erob/src/django-livestore/contrib/site-packages satchmo_store
DEBUG:django.setup() is disabled
INFO:Satchmo Logging subsystem initialized.
Sending log messages to /var/log/satchmo.log
Traceback (most recent call last):
  File "/usr/local/bin/httpserver.py", line 6, in <module>
    exec(compile(open(__file__).read(), __file__, 'exec'))
  File "/home/erob/src/django-hotsauce-devel/tools/httpserver.py", line 196, in <module>
    main(argv=sys.argv)
  File "/home/erob/src/django-hotsauce-devel/tools/httpserver.py", line 137, in main
    WSGIHandlerClass = eval_import(app_conf['controller'])
  File "/home/erob/src/django-hotsauce-devel/lib/notmm/utils/pastelib/_import_string.py", line 28, in eval_import
    module = import_module(module_name)
  File "/home/erob/src/django-hotsauce-devel/lib/notmm/utils/pastelib/_import_string.py", line 67, in import_module
    mod = __import__(s)
  File "/home/erob/src/django-livestore/lib/satchmo_store/controller.py", line 21, in <module>
    class SatchmoCookieStore(CookieStore):
  File "/home/erob/src/django-livestore/lib/satchmo_store/controller.py", line 22, in SatchmoCookieStore
    from django.contrib.auth.models import AnonymousUser
  File "/home/erob/src/django-livestore/contrib/django-1.4/django/contrib/auth/models.py", line 17, in <module>
    from django.contrib.contenttypes.models import ContentType
  File "/home/erob/src/django-livestore/contrib/django-1.4/django/contrib/contenttypes/models.py", line 120, in <module>
    class ContentType(models.Model):
  File "/home/erob/src/django-livestore/contrib/django-1.4/django/db/models/base.py", line 99, in __new__
    new_class.add_to_class(obj_name, obj)
  File "/home/erob/src/django-livestore/contrib/django-1.4/django/db/models/base.py", line 219, in add_to_class
    value.contribute_to_class(cls, name)
  File "/home/erob/src/django-livestore/contrib/django-1.4/django/db/models/fields/__init__.py", line 245, in contribute_to_class
    cls._meta.add_field(self)
  File "/home/erob/src/django-livestore/contrib/django-1.4/django/db/models/options.py", line 171, in add_field
    self.local_fields.insert(bisect(self.local_fields, field), field)
TypeError: unorderable types: CharField() < CharField()

-- 
Etienne Robillard
tka...@yandex.com
http://www.isotopesoftware.ca/

[Tim Graham]

2to3 can do some simple changes for Python 3 compatibility but it can't do everything. I think you'll spend less time updating your application to a supported version of Django which supports Python 3 than you would adding Python 3 support to Django 1.4.

[Etienne Robillard]

Hi Tim,

I need to use Django 1.4 since my application (django-livestore) is depending on it severely.

Anyways, I fixed the issue by adding a __lt__ method to the Field class. :)

Regards,

E

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