部分:
File "/Users/Documents/D-develope/DjangoDemo/TestPro/TestPro/urls.py", line 22, in <module>
path('demo1/', include('demo1.urls', namespace='demo1')),
File "/Users/.pyenv/versions/3.6.0/lib/python3.6/site-packages/django/urls/conf.py", line 39, in include
'Specifying a namespace in include() without providing an app_name '
django.core.exceptions.ImproperlyConfigured: Specifying a namespace in include() without providing an app_name is not supported. Set the app_name attribute in the included module, or pass a 2-tuple containing the list of patterns and app_name instead.
urlpatterns = [
path('demo1/', include('demo1.urls', namespace='demo1'),
]
def include(arg, namespace=None):
app_name = None
if isinstance(arg, tuple):
# Callable returning a namespace hint.
try:
urlconf_module, app_name = arg
except ValueError:
if namespace:
raise ImproperlyConfigured(
'Cannot override the namespace for a dynamic module that '
'provides a namespace.'
)
raise ImproperlyConfigured(
'Passing a %d-tuple to include() is not supported. Pass a '
'2-tuple containing the list of patterns and app_name, and '
'provide the namespace argument to include() instead.' % len(arg)
)
else:
# No namespace hint - use manually provided namespace.
urlconf_module = arg
if isinstance(urlconf_module, str):
urlconf_module = import_module(urlconf_module)
patterns = getattr(urlconf_module, 'urlpatterns', urlconf_module)
app_name = getattr(urlconf_module, 'app_name', app_name)
if namespace and not app_name:
raise ImproperlyConfigured(
'Specifying a namespace in include() without providing an app_name '
'is not supported. Set the app_name attribute in the included '
'module, or pass a 2-tuple containing the list of patterns and '
'app_name instead.',
)
namespace = namespace or app_name
# Make sure the patterns can be iterated through (without this, some
# testcases will break).
if isinstance(patterns, (list, tuple)):
for url_pattern in patterns:
pattern = getattr(url_pattern, 'pattern', None)
if isinstance(pattern, LocalePrefixPattern):
raise ImproperlyConfigured(
'Using i18n_patterns in an included URLconf is not allowed.'
)
return (urlconf_module, app_name, namespace)
从include()函数可以看出来,这个函数有两个参数,一个arg,一个namespace,我在代码中也是两个参数,但是异常中提示了,没有提供app_name,还提示需要传入一个两元元组,从第六行代码
urlconf_module, app_name = arg 可以看出来,arg就是那个元组,且给app_name赋值了,所以我们这里修改代码为:
urlpatterns = [
path('demo1/', include(('demo1.urls', 'demo1'), namespace='demo1')),