我正在创建一个 Django 网站。我最近使用 allauth 包添加权限/搜索功能。当我尝试通过 docker 运行网站时,我收到错误消息:
文件“/usr/local/lib/python3.9/site-packages/allauth/account/signals.py”,第 5 行,位于 user_logged_in = Signal(providing_args=[“请求”,“用户”]) TypeError: init() 得到了意外的关键字参数 'providing_args'
什么原因导致此错误?我知道类型错误通常是由不正确的 models.py 文件引起的,但我似乎无法访问该文件,因为它是外部包的一部分。
Urls.py
urlpatterns = [
path('admin/', admin.site.urls),
path('accounts/', include('allauth.urls')),
path('accounts/', include('accounts.urls')),
path('', include('climate.urls')),
] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
if settings.DEBUG:
import debug_toolbar
urlpatterns = [
path('__debug__/', include(debug_toolbar.urls)),
] + urlpatterns
模型.py
class Country(models.Model):
id = models.UUIDField(
primary_key= True,
db_index = True,
default=uuid.uuid4,
editable= False
)
name = models.CharField(max_length=50)
population = models.IntegerField(default=1)
emissions = models.FloatField(default=1)
reason = models.CharField(default="", max_length=100)
flags = models.ImageField(upload_to='images/', default="")
page = models.URLField(max_length=300, default="")
def save(self, *args, **kwargs):
super(Country, self).save(*args, **kwargs)
class Meta:
verbose_name_plural = 'countries'
indexes = [
models.Index(fields=['id'], name='id_index')
]
permissions = {
("special_status", "Can read all countries")
}
def __str__(self):
return self.name
def flag(self):
return u'<img src="%s" />' % (self.flags.url)
def get_absolute_url(self):
return reverse('country_detail', args =[str(self.id)])
flag.short_description = 'Flag'
我的 settings.py 处理 allauth。
AUTH_USER_MODEL = 'accounts.CustomUser'
LOGIN_REDIRECT_URL = 'climate:home'
ACCOUNT_LOGOUT_REDIRECT = 'climate:home'
ACCOUNT_SESSION_REMEMBER = True
ACCOUNT_SIGNUP_PASSWORD_ENTER_TWICE = False
ACCOUNT_USERNAME_REQUIRED = False
ACCOUNT_AUTHENTICATION_METHOD = 'email'
ACCOUNT_EMAIL_REQUIRED = True
ACCOUNT_UNIQUE_EMAIL = True
完整追溯:
Traceback (most recent call last):
File "/usr/local/lib/python3.9/threading.py", line 954, in _bootstrap_inner
self.run()
File "/usr/local/lib/python3.9/threading.py", line 892, in run
self._target(*self._args, **self._kwargs)
File "/usr/local/lib/python3.9/site-packages/django/utils/autoreload.py", line 64, in wrapper
fn(*args, **kwargs)
File "/usr/local/lib/python3.9/site-packages/django/core/management/commands/runserver.py", line 115, in inner_run
autoreload.raise_last_exception()
File "/usr/local/lib/python3.9/site-packages/django/utils/autoreload.py", line 87, in raise_last_exception
raise _exception[1]
File "/usr/local/lib/python3.9/site-packages/django/core/management/__init__.py", line 381, in execute
autoreload.check_errors(django.setup)()
File "/usr/local/lib/python3.9/site-packages/django/utils/autoreload.py", line 64, in wrapper
fn(*args, **kwargs)
File "/usr/local/lib/python3.9/site-packages/django/__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/local/lib/python3.9/site-packages/django/apps/registry.py", line 114, in populate
app_config.import_models()
File "/usr/local/lib/python3.9/site-packages/django/apps/config.py", line 300, in import_models
self.models_module = import_module(models_module_name)
File "/usr/local/lib/python3.9/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 790, in exec_module
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
File "/usr/local/lib/python3.9/site-packages/allauth/account/models.py", line 12, in <module>
from . import app_settings, signals
File "/usr/local/lib/python3.9/site-packages/allauth/account/signals.py", line 5, in <module>
user_logged_in = Signal(providing_args=["request", "user"])
TypeError: __init__() got an unexpected keyword argument 'providing_args'
根据评论,您正在使用旧版本的 AllAuth 运行 Django 4.0。所以你只需要更新 AllAuth 就可以了。
但是,其他已升级 AllAuth 且正在运行 Django 4.0 但仍看到此错误的人可能注册了自定义 AllAuth 或其他包含 providing_args
参数的信号。在这种情况下,您需要在项目中搜索任何信号(例如 AllAuth 中经常覆盖的信号:
user_logged_in
或
email_changed
),并从
providing_args=['request', 'user', 'signup']
括号中删除
Signal
或其他变体。请参阅下文了解更多信息,以及示例 diff 展示如何将每个
providing_args
参数移动到注释行。
providing_args
参数到
django.dispatch.Signal
的功能。请参阅 3.1 发行说明的其他部分中的项目符号。 它被删除是因为这个参数除了充当文档之外没有任何作用。如果这看起来很奇怪,那是因为它很奇怪。参数应该表明数据正在传递。这可能就是它被弃用的原因。
Django 4.0 继续并完全删除了这一点,使得任何使用
Signal()
参数调用
providing_args
的代码现在都会触发您遇到的 TypeError:
TypeError: Signal.__init__() got an unexpected keyword argument 'providing_args'
0.42.0
,它不包含此更改,因此与 Django 4.0 不兼容。截至今天,Django AllAuth
0.42.0
is 兼容的最后一个版本是 Django 3.2.9。
check_request_enabled = Signal(providing_args=["request"])
到
check_request_enabled = Signal("request")
现在工作完美。
Django 4.0
上遇到相同问题且未使用
AllAuth
的任何人。我遇到了类似的问题。但是,我没有使用
AllAuth
。 问题是
Django 4.0
没有任何
providing_args
参数,所以信号是这样声明的。
from django.dispatch import Signal
model_delete_signal = Signal()
现在,您可以在发送信号时发送任何参数,这些参数将在接收器中的kwargs
中接收。例如,我在自定义删除函数中发送信号时发送了以下
instance
参数
model_delete_signal.send(sender='session_delete', instance=self)
并以这种方式在接收器内接收到它
@receiver(session_delete)
def delete_session(sender, **kwargs):
instance = kwargs['instance']
请注意,对于 providing_args
Singal()
参数的任何 Django 版本,解决方案都是相同的
user_logged_in = Signal(providing_args=["request", "user"])
与
user_logged_in = Signal()
在/usr/local/lib/python3.9/site-packages/allauth/account/signals.py
from django.dispatch import Signal, receiver
notification=Signal()
@receiver(notification)
def show_notification(sender, **kwargs):
print("sender,", sender)
print("Kwargs", kwargs)
print("Notification")
在使用此信号之后,像这样写
notification.send(sender=None, request=request, user=['Sakib', 'Malik'])
根据姜戈
Signal 的纯文档提供_args 参数已被弃用。如果您依赖此参数作为文档,则可以将文本移动到代码注释或文档字符串。只需从本地项目存储中的signals.py 文件中注释掉以下代码即可:
user_logged_in = Signal(providing_args=["request", "user"])
# Typically followed by `user_logged_in` (unless, e-mail verification kicks in)
user_signed_up = Signal(providing_args=["request", "user"])
password_set = Signal(providing_args=["request", "user"])
password_changed = Signal(providing_args=["request", "user"])
password_reset = Signal(providing_args=["request", "user"])
email_confirmed = Signal(providing_args=["request", "email_address"])
email_confirmation_sent = Signal(
providing_args=["request", "confirmation", "signup"])
email_changed = Signal(
providing_args=[
"request", "user",
"from_email_address", "to_email_address"])
email_added = Signal(providing_args=["request", "user", "email_address"])
email_removed = Signal(providing_args=["request", "user", "email_address"])
您可以在 /usr/local/lib/python3.10/site-packages/allauth/account/signals.py 中找到它
django 文档:
Signal 的纯文档提供_args 参数已被弃用。如果您依赖此参数作为文档,则可以将文本移动到代码注释或文档字符串。
signals.py
文件,您在其中使用
Signal()
函数
SignalName = Signal(providing_args=["request", "user"])
在 Signal()
函数中不要给出
providing_args
作为参数,给出像这样的参数
SignalName = Signal(["request", "user"])