当我尝试从shell导入模型时，从sorl.thumbnail版本12.3获取此错误。
ImproperlyConfigured: Requested setting DEFAULT_FILE_STORAGE, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings.
但该网站从runserver运行正常。
完整错误日志
In [1]: from gallery.models import Image
---------------------------------------------------------------------------
ImproperlyConfigured Traceback (most recent call last)
<ipython-input-1-ffea958a5ee6> in <module>()
----> 1 from gallery.models import Image
/home/samuel/Documents/code/revamp/gallery/models.py in <module>()
2
3 from django.db import models
----> 4 from sorl.thumbnail import ImageField
5 from django.contrib.humanize.templatetags.humanize import intword
6 from django.template.defaultfilters import truncatechars
/usr/local/lib/python2.7/dist-packages/sorl/thumbnail/__init__.py in <module>()
----> 1 from sorl.thumbnail.fields import ImageField
2 from sorl.thumbnail.shortcuts import get_thumbnail, delete
3 from sorl import __version__
4
/usr/local/lib/python2.7/dist-packages/sorl/thumbnail/fields.py in <module>()
6 from django.utils.translation import ugettext_lazy as _
7
----> 8 from sorl.thumbnail import default
9
10
/usr/local/lib/python2.7/dist-packages/sorl/thumbnail/default.py in <module>()
1 from django.utils.functional import LazyObject
2
----> 3 from sorl.thumbnail.conf import settings
4 from sorl.thumbnail.helpers import get_module_class
5
/usr/local/lib/python2.7/dist-packages/sorl/thumbnail/conf/__init__.py in <module>()
1 from django.conf import settings as user_settings
2 from django.utils.functional import LazyObject
----> 3 from sorl.thumbnail.conf import defaults
4
5
/usr/local/lib/python2.7/dist-packages/sorl/thumbnail/conf/defaults.py in <module>()
29
30 # Storage for the generated thumbnails
---> 31 THUMBNAIL_STORAGE = settings.DEFAULT_FILE_STORAGE
32
33 # Redis settings
/usr/local/lib/python2.7/dist-packages/django/conf/__init__.pyc in __getattr__(self, name)
53 def __getattr__(self, name):
54 if self._wrapped is empty:
---> 55 self._setup(name)
56 return getattr(self._wrapped, name)
57
/usr/local/lib/python2.7/dist-packages/django/conf/__init__.pyc in _setup(self, name)
39 "You must either define the environment variable %s "
40 "or call settings.configure() before accessing settings."
---> 41 % (desc, ENVIRONMENT_VARIABLE))
42
43 self._wrapped = Settings(settings_module)
ImproperlyConfigured: Requested setting DEFAULT_FILE_STORAGE, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings.