لقد كنت أستخدم الكرفس لأول مرة منذ أسبوعين بالفعل ، لذلك أنا جديد جدًا في مهمة الانتظار في قائمة الانتظار. المشكلة التي أواجهها حاليًا تتعلق باستخدام الكرفس عبر Django وخطأ ModuleNotFoundError
.
أنا أستخدم Django 1.11
und celery 4.2.0
. ملفاتي هي كما يلي:
celery_tasks.py
from celery import Celery
from celery import task
import os
app = Celery('myapp')
#app.config_from_object('myapp.celeryconfig', namespace='CELERY') # WORKS WHEN CALLED THROUGH VIEW/DJANGO: Tell Celery instance to use celeryconfig module
app.config_from_object('celeryconfig', namespace='CELERY') # WORKS WHEN CALLED THROUGH TERMINAL
# set the default Django settings module for the 'celery' program.
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myapp.celeryconfig')
suf = lambda n: "%d%s" % (n, {1: "st", 2: "nd", 3: "rd"}.get(n if n < 20 else n % 10, "th"))
@app.task(name='celery_tasks.fav_doctor')
def fav_doctor():
"""Reads doctor.txt file and prints out fav doctor, then addsa new
number to the file"""
with open('doctor.txt', 'r+') as f:
for line in f:
nums = line.rstrip().split()
print ('The {} doctor is my favorite'.format(suf(int(nums[0]))))
for num in nums[1:]:
print ('Wait! The {} doctor is my favorite'.format(suf(int(num))))
last_num = int(nums[-1])
new_last_num = last_num + 1
f.write(str(new_last_num) + ' ')
@app.task(name='celery_tasks.reverse')
def reverse(string):
return string[::-1]
@app.task(name='celery_tasks.add')
def add(x, y):
return x+y
if __name__ == '__main__':
app.start()
celeryconfig.py
from __future__ import absolute_import, unicode_literals
from datetime import timedelta
## List of modules to import when celery starts.
CELERY_IMPORTS = ['celery_tasks',]
## Message Broker (RabbitMQ) settings.
BROKER_URL = 'amqp://'
BROKER_PORT = 5672
## Result store settings.
CELERY_RESULT_BACKEND = 'rpc://'
## Worker settings
#CELERYD_CONCURRENCY = 1
#CELERYD_TASK_TIME_LIMIT = 20
#CELERYD_LOG_FILE = 'celeryd.log'
#CELERYD_LOG_LEVEL = 'INFO'
## Misc
#CELERY_IGNORE_RESULT = False
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'
CELERY_ACCEPT_CONTENT=['json']
CELERY_TIMEZONE = 'Europe/Berlin'
CELERY_ENABLE_UTC = True
CELERYBEAT_SCHEDULE = {
'doctor-every-10-seconds': {
'task': 'celery_tasks.fav_doctor',
'schedule': timedelta(seconds=3),
},
}
__init__.py
from .celery_tasks import app as celery_app # Ensures app is always imported when Django starts so that shared_task will use this app.
__all__ = ['celery_app']
-> myapp- __init__.py- celery_tasks.py- celeryconfig.py-> وجهات النظر- admin_scripts.py
بعد الدخول إلى الدليل حيث توجد ملفات الكرفس ، والتحول إلى بيئة افتراضية ، ثم اكتب:
celery -A celery_tasks worker -l info
ولكن فقط مع هذا التكوين في ملف celery_tasks.py الخاص بي:
#app.config_from_object('myapp.celeryconfig', namespace='CELERY') # WORKS WHEN CALLED THROUGH VIEW/DJANGO: Tell Celery instance to use celeryconfig module
app.config_from_object('celeryconfig', namespace='CELERY') # WORKS WHEN CALLED THROUGH TERMINAL
فقط بعد إعادة تكوين أسطر الكود أعلاه ، يمكنني استخدام الكرفس عبر Django ، لذلك:
app.config_from_object('myapp.celeryconfig', namespace='CELERY') # WORKS WHEN CALLED THROUGH VIEW/DJANGO: Tell Celery instance to use celeryconfig module
#app.config_from_object('celeryconfig', namespace='CELERY') # WORKS WHEN CALLED THROUGH TERMINAL
إذا لم أفعل هذه الخطوة ، فستظهر رسالة الخطأ وتهيئها على هذا النحو بدون تغيير منتصف الطريق على سبيل المثال ،
app.config_from_object ('celeryconfig'، namespace = 'CELERY') # يعمل عند الاتصال من خلال الجهاز
ثم أتلقى هذا الخطأ:
[20/Jul/2018 07:03:06] ERROR [django.request:135] Internal Server Error: /myapp/adminscripts/
Traceback (most recent call last):
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/local.py", line 317, in _get_current_object
return object.__getattribute__(self, '__thing')
AttributeError: 'PromiseProxy' object has no attribute '__thing'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/kombu/utils/objects.py", line 42, in __get__
return obj.__dict__[self.__name__]
KeyError: 'data'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/loaders/base.py", line 144, in _smart_import
return imp(path)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/loaders/base.py", line 98, in import_from_cwd
package=package,
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/utils/imports.py", line 104, in import_from_cwd
return imp(module, package=package)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/loaders/base.py", line 92, in import_module
return importlib.import_module(module, package=package)
File "/Users/my_mbp/anaconda3/lib/python3.6/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 978, in _gcd_import
File "<frozen importlib._bootstrap>", line 961, in _find_and_load
File "<frozen importlib._bootstrap>", line 948, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'celeryconfig'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/django/core/handlers/exception.py", line 41, in inner
response = get_response(request)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/django/contrib/auth/decorators.py", line 23, in _wrapped_view
return view_func(request, *args, **kwargs)
File "/Users/my_mbp/Software/myapp/myappsite/myapp/views/admin_scripts.py", line 56, in admin_script_dashboard
async_result = add.delay(24, 54) # delay() invokes the Celery, responsible for running this task asynchronously
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/local.py", line 146, in __getattr__
return getattr(self._get_current_object(), name)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/local.py", line 319, in _get_current_object
return self.__evaluate__()
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/local.py", line 349, in __evaluate__
thing = Proxy._get_current_object(self)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/local.py", line 109, in _get_current_object
return loc(*self.__args, **self.__kwargs)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/app/base.py", line 454, in _task_from_fun
task.bind(self) # connects task to this app
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/app/task.py", line 319, in bind
setattr(cls, attr_name, conf[config_name])
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/utils/collections.py", line 429, in __getitem__
return getitem(k)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/utils/collections.py", line 278, in __getitem__
return mapping[_key]
File "/Users/my_mbp/anaconda3/lib/python3.6/collections/__init__.py", line 989, in __getitem__
if key in self.data:
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/kombu/utils/objects.py", line 44, in __get__
value = obj.__dict__[self.__name__] = self.__get(obj)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/app/base.py", line 141, in data
return self.callback()
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/app/base.py", line 924, in _finalize_pending_conf
conf = self._conf = self._load_config()
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/app/base.py", line 934, in _load_config
self.loader.config_from_object(self._config_source)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/loaders/base.py", line 126, in config_from_object
obj = self._smart_import(obj, imp=self.import_from_cwd)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/loaders/base.py", line 147, in _smart_import
return symbol_by_name(path, imp=imp)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/kombu/utils/imports.py", line 56, in symbol_by_name
module = imp(module_name, package=package, **kwargs)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/loaders/base.py", line 98, in import_from_cwd
package=package,
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/utils/imports.py", line 104, in import_from_cwd
return imp(module, package=package)
File "/Users/my_mbp/anaconda3/lib/python3.6/site-packages/celery/loaders/base.py", line 92, in import_module
return importlib.import_module(module, package=package)
File "/Users/my_mbp/anaconda3/lib/python3.6/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 978, in _gcd_import
File "<frozen importlib._bootstrap>", line 961, in _find_and_load
File "<frozen importlib._bootstrap>", line 948, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'celeryconfig'
لا أستطيع أن أرى أين أخطأت بالضبط. كتفسير قصير لهدفي الأصلي: أرغب في طباعة المعلومات المسترجعة من مهام مختلفة في نافذة جديدة ، مثل شريط التقدم ولكن بدلاً من النسبة المئوية ، يكون الإخراج مثل ما تراه في Terminal.
شكرا.
انها خطأ في التعليمات البرمجية الخاصة بك وليس في الكرفس.
لا تتردد في إخباري بمكان الخطأ في الكود الخاص بي؟
pymatffm هل قمت بحلها؟ لدي نفس المشكلة