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POapache2/mod_wsgi/django production NoneType error for satchmo import
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copied!<p>I'm trying (very hard) to deploy my Django app to apache2/mod_wsgi, however I'm coming across an error that only occurs in the production environment. I'd be very very grateful for any suggestions on what to do next. The error is:</p> <pre><code>'NoneType' object has no attribute 'objects' </code></pre> <p>The stack trace points to this function:</p> <p>/var/webapps/MYAPP/releases/current/apps/product/models.py in by_site</p> <pre><code>""" Base model used for products. Stores hierarchical categories as well as individual product level information which includes options. """ from decimal import Context, Decimal, ROUND_FLOOR from django import forms from django.conf import settings from django.contrib.sites.models import Site from django.core import urlresolvers from django.core.cache import cache from django.db import models from django.db.models import Q from django.utils.translation import get_language, ugettext, ugettext_lazy as _ from l10n.utils import moneyfmt, lookup_translation from livesettings import config_value, SettingNotSet, config_value_safe from prices import get_product_quantity_price, get_product_quantity_adjustments from product import active_product_types from product.prices import PriceAdjustmentCalc from satchmo_utils import get_flat_list from satchmo_utils.fields import CurrencyField from satchmo_utils.thumbnail.field import ImageWithThumbnailField from satchmo_utils.unique_id import slugify import config #This import is required to make sure livesettings picks up the config values import datetime import keyedcache import logging import operator import signals log = logging.getLogger('product.models') dimension_units = (('cm','cm'), ('in','in')) weight_units = (('kg','kg'), ('lb','lb')) DISCOUNT_SHIPPING_CHOICES = ( ('NONE', _('None')), ('FREE', _('Free Shipping')), ('FREECHEAP', _('Cheapest shipping option is free')), ('APPLY', _('Apply the discount above to shipping')) ) SHIP_CLASS_CHOICES = ( ('DEFAULT', _('Default')), ('YES', _('Shippable')), ('NO', _('Not Shippable')) ) STANDARD_COMPARISON_MEASURES = ( #Weight ('g', '100'), ('kg', '1'), ('mg', '100'), #Volume ('L', '1'), ('ml', '100'), #Length ('mm', '100'), ('cm', '100'), ('m', '1'), ('inches', '100'), #Electricity ('W', '1'), ('V', '1'), #Each / Pack ('other', '1'), ) def default_dimension_unit(): val = config_value_safe('PRODUCT','MEASUREMENT_SYSTEM', (None, None))[0] if val == 'metric': return 'cm' else: return 'in' def default_weight_unit(): val = config_value_safe('PRODUCT','MEASUREMENT_SYSTEM', (None, None))[0] if val == 'metric': return 'kg' else: return 'lb' class CategoryManager(models.Manager): def active(self): return self.filter(is_active=True) def by_site(self, site=None, **kwargs): """Get all categories for this site""" if not site: site = Site.objects.get_current() <<<<<<<< Line causing error... apparently site = site.id return self.active().filter(site__id__exact = site, **kwargs) def get_by_site(self, site=None, **kwargs): if not site: site = Site.objects.get_current() return self.active().get(site = site, **kwargs) def root_categories(self, site=None, **kwargs): """Get all root categories.""" if not site: site = Site.objects.get_current() return self.active().filter(parent__isnull=True, site=site, **kwargs) def search_by_site(self, keyword, site=None, include_children=False): """Search for categories by keyword. Note, this does not return a queryset.""" if not site: site = Site.objects.get_current() cats = self.active().filter( Q(name__icontains=keyword) | Q(meta__icontains=keyword) | Q(description__icontains=keyword), site=site) if include_children: # get all the children of the categories found cats = [cat.get_active_children(include_self=True) for cat in cats] # sort properly if cats: fastsort = [(c.ordering, c.name, c) for c in get_flat_list(cats)] fastsort.sort() # extract the cat list cats = zip(*fastsort)[2] return cats </code></pre> <p>This is being thrown in a satchimo module, 'product'. It has been copied and customised in MYAPP/apps. It is INSTALLED in settings.py as 'apps.product'. </p> <p>My modwsgi file is located in MYAPP/deploy/:</p> <pre><code>import os import sys # redirect sys.stdout to sys.stderr for bad libraries like geopy that uses # print statements for optional import exceptions. sys.stdout = sys.stderr from os.path import abspath, dirname, join from site import addsitedir sys.path.insert(0, '/var/webapps/MYAPP/releases/current/apps') sys.path.insert(0, '/var/webapps/MYAPP/releases/current') sys.path.insert(0, abspath(join(dirname(__file__), "..", ".."))) from django.conf import settings os.environ["DJANGO_SETTINGS_MODULE"] = "current.settings" sys.path.insert(0, join(settings.PINAX_ROOT, "apps")) sys.path.insert(0, join(settings.PROJECT_ROOT, "apps")) from django.core.handlers.wsgi import WSGIHandler application = WSGIHandler() </code></pre> <p>Other info</p> <p>Django Version: 1.3.1 Python Version: 2.7.1 Python Path: </p> <pre><code>['/var/webapps/MYAPP/releases/current/apps', '/var/webapps/MYAPP/releases/current/env/lib/python2.7/site-packages/pinax/apps', '/var/webapps/MYAPP/releases', '/var/webapps/MYAPP/releases/current', '/var/webapps/MYAPP/releases/current/apps', '/var/webapps/MYAPP/releases/current/env/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg', '/var/webapps/MYAPP/releases/current/env/lib/python2.7/site-packages/pip-1.0.2-py2.7.egg', '/var/webapps/MYAPP/releases/current/env/lib/python2.7/site-packages', '/var/webapps/MYAPPreleases/current/env/lib/python2.7/site-packages/PIL', '/usr/local/lib/python2.7/dist-packages/virtualenv-1.6.4-py2.7.egg', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-linux2', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages/gtk-2.0', '/usr/lib/pymodules/python2.7'] </code></pre>

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