you may also need to change polls/apps.py to have a config class On Thu, Dec 3, 2020 at 5:31 PM Ryan Gedwill <ryangedw...@gmail.com> wrote:
> you at least need to add 'polls' to your INSTALLED_APPS in settings.py. > You should also remove the line you put in manage.py - that file should > rarely be touched at all. > > This is not a system path problem > > > > On Thu, Dec 3, 2020 at 12:38 PM Ennio Santos <ennio.gom...@gmail.com> > wrote: > >> I developed some small web app using Django, but I had not used virtual >> env up to the moment. >> >> I am facing the erro above, I can imagine that is related to some kind of >> path definition that is not properly defined, but have no idea where to >> begin. >> >> *My Env* >> >> *windows 10 home* >> Currently using *CONDA, version 4.9.2*, installed on my "C" driver. >> >> # conda environments: >> # >> base C:\ProgramData\Anaconda3 >> pranos39 C:\ProgramData\Anaconda3\envs\pranos39 >> agen37 C:\Users\ennio\.conda\envs\agen37 >> agen39 C:\Users\ennio\.conda\envs\agen39 >> baseold C:\Users\ennio\.conda\envs\baseold >> python38 C:\Users\ennio\.conda\envs\python38 >> * d:\conda_env\py38 (*this is the one I >> activate*) >> >> And the *editor is vscode 1.51.1* version. using pylint, and it is >> pointing to the python env above. >> >> >> >> >> >> >> >> I have the driver "D" where is the conda env being used. And also, where >> is the source code. >> >> *D:\Linguagem\mooc\code\polls38* >> >> >> >> >> >> *Tutorial being used* >> >> since it is the first time using the virtual env to build a django app, I >> decide to use the tutorial available to test: >> >> Writing your first Django app, part 1 | Django documentation | Django >> (djangoproject.com) >> <https://docs.djangoproject.com/en/3.1/intro/tutorial01/> >> Using the exemplo, as it is. >> >> >> (d:\conda_env\py38) D:\Linguagem\mooc\code\polls38>conda list >> >> # *packages in environment *at d:\conda_env\py38: >> # >> # Name Version Build Channel >> >> asgiref 3.3.1 pyhd3eb1b0_0 >> astroid 2.4.2 py38_0 >> ca-certificates 2020.10.14 0 >> certifi 2020.11.8 py38haa95532_0 >> colorama 0.4.4 py_0 >> django 3.1.3 pyhd3eb1b0_0 >> isort 5.6.4 py_0 >> krb5 1.17.1 hc04afaa_0 >> lazy-object-proxy 1.4.3 py38he774522_0 >> libpq 12.2 h3235a2c_0 >> mccabe 0.6.1 py38_1 >> openssl 1.1.1h he774522_0 >> pip 20.3 py38haa95532_0 >> psycopg2 2.8.5 py38h7a1dbc1_0 >> pylint 2.6.0 py38_0 >> python 3.8.5 h5fd99cc_1 >> pytz 2020.4 pyhd3eb1b0_0 >> setuptools 50.3.1 py38haa95532_1 >> six 1.15.0 py38haa95532_0 >> sqlite 3.33.0 h2a8f88b_0 >> sqlparse 0.4.1 py_0 >> tk 8.6.10 he774522_0 >> toml 0.10.1 py_0 >> vc 14.1 h0510ff6_4 >> vs2015_runtime 14.16.27012 hf0eaf9b_3 >> wheel 0.35.1 pyhd3eb1b0_0 >> wincertstore 0.2 py38_0 >> wrapt 1.11.2 py38he774522_0 >> zlib 1.2.11 h62dcd97_4 >> >> *The settings.py file* >> >> >> from pathlib import Path >> >> # Build paths inside the project like this: BASE_DIR / 'subdir'. >> BASE_DIR = Path(__file__).resolve().parent.parent >> print(BASE_DIR) >> >> # Quick-start development settings - unsuitable for production >> # See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/ >> >> # SECURITY WARNING: keep the secret key used in production secret! >> SECRET_KEY = '********' >> >> # SECURITY WARNING: don't run with debug turned on in production! >> DEBUG = True >> >> ALLOWED_HOSTS = [] >> >> >> # Application definition >> >> INSTALLED_APPS = [ >> 'polls.apps.PollsConfig', >> 'django.contrib.admin', >> 'django.contrib.auth', >> 'django.contrib.contenttypes', >> 'django.contrib.sessions', >> 'django.contrib.messages', >> 'django.contrib.staticfiles', >> ] >> >> MIDDLEWARE = [ >> 'django.middleware.security.SecurityMiddleware', >> 'django.contrib.sessions.middleware.SessionMiddleware', >> 'django.middleware.common.CommonMiddleware', >> 'django.middleware.csrf.CsrfViewMiddleware', >> 'django.contrib.auth.middleware.AuthenticationMiddleware', >> 'django.contrib.messages.middleware.MessageMiddleware', >> 'django.middleware.clickjacking.XFrameOptionsMiddleware', >> ] >> >> ROOT_URLCONF = 'polls38.urls' >> >> TEMPLATES = [ >> { >> 'BACKEND': 'django.template.backends.django.DjangoTemplates', >> 'DIRS': [], >> 'APP_DIRS': True, >> 'OPTIONS': { >> 'context_processors': [ >> 'django.template.context_processors.debug', >> 'django.template.context_processors.request', >> 'django.contrib.auth.context_processors.auth', >> 'django.contrib.messages.context_processors.messages', >> ], >> }, >> }, >> ] >> >> WSGI_APPLICATION = 'polls38.wsgi.application' >> >> >> # Database >> # https://docs.djangoproject.com/en/3.1/ref/settings/#databases >> >> DATABASES = { >> 'default': { >> 'ENGINE': 'django.db.backends.sqlite3', >> 'NAME': BASE_DIR / 'db.sqlite3', >> } >> } >> >> >> # Password validation >> # >> https://docs.djangoproject.com/en/3.1/ref/settings/#auth-password-validators >> >> AUTH_PASSWORD_VALIDATORS = [ >> { >> >> 'NAME': >> 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator', >> }, >> { >> >> 'NAME': >> 'django.contrib.auth.password_validation.MinimumLengthValidator', >> }, >> { >> >> 'NAME': >> 'django.contrib.auth.password_validation.CommonPasswordValidator', >> }, >> { >> >> 'NAME': >> 'django.contrib.auth.password_validation.NumericPasswordValidator', >> }, >> ] >> >> >> # Internationalization >> # https://docs.djangoproject.com/en/3.1/topics/i18n/ >> >> LANGUAGE_CODE = 'pt-br' >> >> TIME_ZONE = 'America/Sao_Paulo' >> >> USE_I18N = True >> >> USE_L10N = True >> >> USE_TZ = True >> >> >> # Static files (CSS, JavaScript, Images) >> # https://docs.djangoproject.com/en/3.1/howto/static-files/ >> >> STATIC_URL = '/static/' >> >> >> *To create de app "polls"* I had to use the command: >> >> *django-admin startapp polls polls38/polls* (firstly I created the >> folder). >> >> I was facing an error, when running "python manage.py runserver". >> ERROR: module no found "polls". >> I solved the problem, by adding at the manage.py the path to the app, as >> bellow (i do not believe that its the best solution) >> >> >> def main(): >> """Run administrative tasks.""" >> *sys.path.append('D:/linguagem/mooc/code/polls38/polls38')* >> os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'polls38.settings') >> try: >> from django.core.management import execute_from_command_line >> except ImportError as exc: >> raise ImportError( >> "Couldn't import Django. Are you sure it's installed and " >> "available on your PYTHONPATH environment variable? Did you " >> "forget to activate a virtual environment?" >> ) from exc >> execute_from_command_line(sys.argv) >> >> I was able to run the first and second part of the tutorial. >> In the third part, after improving the *polls/views*, another problem >> showed-up. >> >> >> >> And if I try to run, the follwing error occurs: >> >> *when I issue the command "python manage.py runserver"* >> >> (d:\conda_env\py38) D:\Linguagem\mooc\code\polls38>python manage.py >> runserver >> D:\Linguagem\mooc\code\polls38 >> D:\Linguagem\mooc\code\polls38 >> Watching for file changes with StatReloader >> Performing system checks... >> >> Exception in thread django-main-thread: >> Traceback (most recent call last): >> File "d:\conda_env\py38\lib\threading.py", line 932, in _bootstrap_inner >> self.run() >> File "d:\conda_env\py38\lib\threading.py", line 870, in run >> self._target(*self._args, **self._kwargs) >> File "d:\conda_env\py38\lib\site-packages\django\utils\autoreload.py", >> line 53, in wrapper >> fn(*args, **kwargs) >> File >> "d:\conda_env\py38\lib\site-packages\django\core\management\commands\runserver.py", >> line 118, in inner_run >> self.check(display_num_errors=True) >> File >> "d:\conda_env\py38\lib\site-packages\django\core\management\base.py", line >> 392, in check >> all_issues = checks.run_checks( >> File >> "d:\conda_env\py38\lib\site-packages\django\core\checks\registry.py", line >> 70, in run_checks >> new_errors = check(app_configs=app_configs, databases=databases) >> File "d:\conda_env\py38\lib\site-packages\django\core\checks\urls.py", >> line 13, in check_url_config >> return check_resolver(resolver) >> File "d:\conda_env\py38\lib\site-packages\django\core\checks\urls.py", >> line 23, in check_resolver >> return check_method() >> File "d:\conda_env\py38\lib\site-packages\django\urls\resolvers.py", >> line 408, in check >> for pattern in self.url_patterns: >> File "d:\conda_env\py38\lib\site-packages\django\utils\functional.py", >> line 48, in __get__ >> res = instance.__dict__[self.name] = self.func(instance) >> File "d:\conda_env\py38\lib\site-packages\django\urls\resolvers.py", >> line 589, in url_patterns >> patterns = getattr(self.urlconf_module, "urlpatterns", >> self.urlconf_module) >> File "d:\conda_env\py38\lib\site-packages\django\utils\functional.py", >> line 48, in __get__ >> res = instance.__dict__[self.name] = self.func(instance) >> File "d:\conda_env\py38\lib\site-packages\django\urls\resolvers.py", >> line 582, in urlconf_module >> return import_module(self.urlconf_name) >> File "d:\conda_env\py38\lib\importlib\__init__.py", line 127, in >> import_module >> return _bootstrap._gcd_import(name[level:], package, level) >> File "<frozen importlib._bootstrap>", line 1014, in _gcd_import >> File "<frozen importlib._bootstrap>", line 991, in _find_and_load >> File "<frozen importlib._bootstrap>", line 975, in >> _find_and_load_unlocked >> File "<frozen importlib._bootstrap>", line 671, in _load_unlocked >> File "<frozen importlib._bootstrap_external>", line 783, in exec_module >> File "<frozen importlib._bootstrap>", line 219, in >> _call_with_frames_removed >> File "D:\Linguagem\mooc\code\polls38\polls38\urls.py", line 20, in >> <module> >> path('', include('polls38.polls.urls')), >> File "d:\conda_env\py38\lib\site-packages\django\urls\conf.py", line >> 34, in include >> urlconf_module = import_module(urlconf_module) >> File "d:\conda_env\py38\lib\importlib\__init__.py", line 127, in >> import_module >> return _bootstrap._gcd_import(name[level:], package, level) >> File "<frozen importlib._bootstrap>", line 1014, in _gcd_import >> File "<frozen importlib._bootstrap>", line 991, in _find_and_load >> File "<frozen importlib._bootstrap>", line 975, in >> _find_and_load_unlocked >> File "<frozen importlib._bootstrap>", line 671, in _load_unlocked >> File "<frozen importlib._bootstrap_external>", line 783, in exec_module >> File "<frozen importlib._bootstrap>", line 219, in >> _call_with_frames_removed >> File "D:\Linguagem\mooc\code\polls38\polls38\polls\urls.py", line 3, in >> <module> >> from . import views >> File "D:\Linguagem\mooc\code\polls38\polls38\polls\views.py", line 7, >> in <module> >> from .models import Question >> File "D:\Linguagem\mooc\code\polls38\polls38\polls\models.py", line 6, >> in <module> >> class Question(models.Model): >> File "d:\conda_env\py38\lib\site-packages\django\db\models\base.py", >> line 113, in __new__ >> raise RuntimeError( >> *RuntimeError: Model class polls38.polls.models.Question doesn't declare >> an explicit app_label and isn't in an application in INSTALLED_APPS.* >> >> >> Any help on how to fix? >> >> tks a lot!! >> >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to django-users+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/54c2664d-315b-46c4-baae-c7eddab7c19cn%40googlegroups.com >> <https://groups.google.com/d/msgid/django-users/54c2664d-315b-46c4-baae-c7eddab7c19cn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "Django users" group. 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