i following following guide (https://abhaykashyap.com/blog/post/tutorial-how-build-facebook-messenger-bot-using-django-ngrok) on how create chatbot, until part updated views.py. there seems issue method declaration , don't know wrong. other that, code same guide (with imports guide creator forgot add). here error got when trying run server in virtual environment:
(ivanteongbot) ivans-macbook-pro:ivanteongbot ivanteong$ python manage.py runserver performing system checks... unhandled exception in thread started <function wrapper @ 0x1097a2050> traceback (most recent call last): file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/utils/autoreload.py", line 226, in wrapper fn(*args, **kwargs) file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 121, in inner_run self.check(display_num_errors=true) file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/core/management/base.py", line 385, in check include_deployment_checks=include_deployment_checks, file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/core/management/base.py", line 372, in _run_checks return checks.run_checks(**kwargs) file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/core/checks/registry.py", line 81, in run_checks new_errors = check(app_configs=app_configs) file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/core/checks/urls.py", line 14, in check_url_config return check_resolver(resolver) file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/core/checks/urls.py", line 24, in check_resolver pattern in resolver.url_patterns: file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/utils/functional.py", line 35, in __get__ res = instance.__dict__[self.name] = self.func(instance) file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/urls/resolvers.py", line 310, in url_patterns patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module) file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/utils/functional.py", line 35, in __get__ res = instance.__dict__[self.name] = self.func(instance) file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/urls/resolvers.py", line 303, in urlconf_module return import_module(self.urlconf_name) file "/usr/local/cellar/python/2.7.12/frameworks/python.framework/versions/2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module __import__(name) file "/users/ivanteong/desktop/comp9323/ivanteongbot/ivanteongbot/urls.py", line 24, in <module> url(r'^fb_ivanteongbot/', include('fb_ivanteongbot.urls')), file "/users/ivanteong/envs/ivanteongbot/lib/python2.7/site-packages/django/conf/urls/__init__.py", line 50, in include urlconf_module = import_module(urlconf_module) file "/usr/local/cellar/python/2.7.12/frameworks/python.framework/versions/2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module __import__(name) file "/users/ivanteong/desktop/comp9323/ivanteongbot/fb_ivanteongbot/urls.py", line 3, in <module> .views import ivanteongbotview file "/users/ivanteong/desktop/comp9323/ivanteongbot/fb_ivanteongbot/views.py", line 8, in <module> class ivanteongbotview(generic.view): file "/users/ivanteong/desktop/comp9323/ivanteongbot/fb_ivanteongbot/views.py", line 15, in ivanteongbotview @method_decorator(csrf_exempt) nameerror: name 'method_decorator' not defined the following code have in views.py app directory:
from django.shortcuts import render # ivanteongbot/fb_ivanteongbot/views.py django.views import generic django.http.response import httpresponse django.views.decorators.csrf import csrf_exempt # add # create views here. class ivanteongbotview(generic.view): def get(self, request, *args, **kwargs): if self.request.get['hub.verify_token'] == '2318934571': return httpresponse(self.request.get['hub.challenge']) else: return httpresponse('error, invalid token') @method_decorator(csrf_exempt) def dispatch(self, request, *args, **kwargs): return generic.view.dispatch(self, request, *args, **kwargs) # post function handle facebook messages def post(self, request, *args, **kwargs): # converts text payload python dictionary incoming_message = json.loads(self.request.body.decode('utf-8')) # facebook recommends going through every entry since might send # multiple messages in single call during high load entry in incoming_message['entry']: message in entry['messaging']: # check make sure received call message call # might delivery, optin, postback other events if 'message' in message: # print message terminal print(message) return httpresponse() this have in urls.py:
# ivanteongbot/fb_ivanteongbot/urls.py django.conf.urls import include, url # add .views import ivanteongbotview urlpatterns = [ url(r'^99789126bd00b5454d999cf3a9c3f8a9274d4e1460ac4b9863/?$', ivanteongbotview.as_view()) ] not sure wrong method declaration coz did googling , seems declared in right way done user guide.
the tutorial you're reading leaves out number of crucial imports, such 1 provides method_decorator:
from django.utils.decorators import method_decorator it may follow "view code on github" link, takes more complete file.
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