django-qmixin-only-bug

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Exécuter avec :
#
#    DJANGO_SETTINGS_MODULE= python only.py
#
# Requiert django 1.6 et djqmixin
#

import sys
import imp
from django.conf import settings

APP_NAME = 'web.web'
sys.modules['web'] = imp.new_module('web')
sys.modules[APP_NAME] = sys.modules[__name__]
sys.modules[__name__].__name__ = APP_NAME

settings.configure(
    DATABASES={
        'default': {
            'ENGINE': 'django.db.backends.sqlite3',
            'NAME': ':memory:',
        },
    },
    DEBUG=True,
)


from django.db import models, connection
from django.core.management.color import no_style
import djqmixin

try:
    import ipdb as pdb
except ImportError:
    import pdb


class MyManager(models.Manager):
    pass


class MyModel(models.Model):
    uuid = models.CharField("UUID", unique=True, max_length=255)
    cdate = models.DateTimeField('Creation date')
    # CETTE LIGNE PROVOQUE L'ERREUR:
    objects = djqmixin.Manager()


def main():
    # Création du schéma
    sql, _ = connection.creation.sql_create_model(MyModel, no_style(), set())
    for statement in sql:
        connection.cursor().execute(statement)

    # Enregistrement des requêtes
    connection.use_debug_cursor = True
    list(MyModel.objects.filter(uuid__isnull=False).only('uuid').all())

    # Vérification
    for qry in connection.queries:
        sql = qry['sql'].lower()
        if 'select' in sql and ' where ' not in sql:
            print >>sys.stderr, sql
            raise RuntimeError("Bad query executed")

    print >>sys.stderr, (
        "No spurious queries in %d query \\o/"
        % (len(connection.queries),)
    )


try:
    main()
except Exception, e:
    if 0:
        _, _, tb = sys.exc_info()
        pdb.post_mortem(tb)
    raise