Re: after upgrade to django 1.11 from 1.10.6 getting an exception on runserver

query.add_q() is a private API. I'd suggest to use git bisect to find the Django commit where the behavior changed. That might give you a hint of how to adapt your code.

On Wednesday, April 5, 2017 at 11:25:25 AM UTC-4, Mukul Acharya wrote:

Traceback (most recent call last):

   File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/utils/autoreload.py", line 227, in wrapper

    fn(*args, **kwargs)

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 117, in inner_run

    autoreload.raise_last_exception()

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/utils/autoreload.py", line 250, in raise_last_exception

    six.reraise(*_exception)

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/utils/autoreload.py", line 227, in wrapper

    fn(*args, **kwargs)

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/__init__.py", line 27, in setup

    apps.populate(settings.INSTALLED_APPS)

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/apps/registry.py", line 116, in populate

    app_config.ready()

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/contrib/admin/apps.py", line 23, in ready

    self.module.autodiscover()

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/contrib/admin/__init__.py", line 26, in autodiscover

    autodiscover_modules('admin', register_to=site)

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/utils/module_loading.py", line 50, in autodiscover_modules

    import_module('%s.%s' % (app_config.name, module_to_search))

  File "/usr/lib/python2.7/importlib/__init__.py", line 38, in import_module

    __import__(name)

  File "/srv/webapps/myproj.com/myproj/product/admin.py", line 6, in <module>

    from product.forms import ProductChangeLogFilterForm, PopularBrandAdminForm

  File "/srv/webapps/myproj.com/myproj/product/forms.py", line 124, in <module>

    class CatAdminForm(forms.ModelForm):

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/forms/models.py", line 252, in __new__

    opts.field_classes)

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/forms/models.py", line 177, in fields_for_model

    formfield.queryset = formfield.queryset.complex_filter(limit_choices_to)

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/db/models/query.py", line 814, in complex_filter

    clone.query.add_q(filter_obj)

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/db/models/sql/query.py", line 1260, in add_q

    clause, _ = self._add_q(q_object, self.used_aliases)

  File "/srv/webapps/myproj.com/virtualenvs/myproj1.11/local/lib/python2.7/site-packages/django/db/models/sql/query.py", line 1275, in _add_q

    joinpromoter = JoinPromoter(q_object.connector, len(q_object.children), current_negated)

AttributeError: LimitTagAssociations instance has no attribute 'children'

class LimitTagAssociations():

    def __init__(self, criteria):

        self.criteria = criteria

    def add_to_query(self, query, aliases):

        query.add_q(models.Q(id__in=[1, 2, 3]))

        query.distinct = True

class Cat(models.Model):

    new_and_now_reco_base = fields.IntegerRangeField(min_value=500, max_value=10000, default=1000)

    auto_taggroups = models.ManyToManyField(TagGroup, null=True, blank=True, limit_choices_to=LimitTagAssociations('1'))

    manual_taggroups = models.ManyToManyField(TagGroup, null=True, blank=True, limit_choices_to=LimitTagAssociations('2'))

    abs_url = models.CharField(max_length=255, blank=True, null=True)

    primary_filter_select = models.ManyToManyField(TagGroup, null=True, blank=True, limit_choices_to=LimitTagAssociations('3'))

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