Ошибка при запуске сервера джанго

Выпадает ошибка при запуске сервера Django. Вроде пишет, что ошибка в кодировке, но я не знаю как её исправить.

System check identified no issues (0 silenced).
June 06, 2019 - 17:33:13
Django version 2.2.2, using settings 'blogglav.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
Exception in thread django-main-thread:
Traceback (most recent call last):
  File "c:python37-32Libthreading.py", line 917, in _bootstrap_inner
    self.run()
  File "c:python37-32Libthreading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "D:CODEpy-ruDjangoenvlibsite-packagesdjangoutilsautoreload.py", line 54, in wrapper
    fn(*args, **kwargs)
  File "D:CODEpy-ruDjangoenvlibsite-packagesdjangocoremanagementcommandsrunserver.py", line 139, in inner_run
    ipv6=self.use_ipv6, threading=threading, server_cls=self.server_cls)
  File "D:CODEpy-ruDjangoenvlibsite-packagesdjangocoreserversbasehttp.py", line 203, in run
    httpd = httpd_cls(server_address, WSGIRequestHandler, ipv6=ipv6)
  File "D:CODEpy-ruDjangoenvlibsite-packagesdjangocoreserversbasehttp.py", line 67, in __init__
    super().__init__(*args, **kwargs)
  File "c:python37-32Libsocketserver.py", line 452, in __init__
    self.server_bind()
  File "c:python37-32Libwsgirefsimple_server.py", line 50, in server_bind
    HTTPServer.server_bind(self)
  File "c:python37-32Libhttpserver.py", line 139, in server_bind
    self.server_name = socket.getfqdn(host)
  File "c:python37-32Libsocket.py", line 676, in getfqdn
    hostname, aliases, ipaddrs = gethostbyaddr(name)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xcf in position 5: invalid continuation byte

Providing some more code or examples of your directory structure might help.

First, the command is generally manage.py runserver 8000, so try that, and that make might a difference.

Second, in Django 1.4, the location of the settings.py file was moved. In previous versions of Django, the directory structure looked like this:

myproject/
    settings.py
    views.py
    urls.py
    myapp/
        models.py
        ...
    ...

However, in Django 1.4, the main project settings and files were moved to a different directory:

myproject/
    myproject/
        settings.py
        views.py
        urls.py
    myapp/
        models.py
        urls.py
        ...
    ...

So if you’re using Django 1.4 but going off of previous examples, your settings.py might be in the wrong place. Additionally, I’ve found that when running django-admin.py startproject, it sometimes incorrectly creates two settings.py files, once in the old location and one in the new, which could be additionally confusing you. The only one that manage.py would pay attention to is the one in the project’s directory.

If it turns out that your settings.py is in the wrong place but you don’t want to move it, as your error suggests, you could set an environmental variable called DJANGO_SETTINGS_MODULE as the path to the Django settings.py you’d like to use for your project. I definitely don’t recommend doing this.

DJANGO – это удобный и мощный фреймворк для создания веб-приложений на Python. Однако, при запуске сервера на Django могут возникнуть некоторые проблемы. В этой статье мы рассмотрим частые ошибки и как их решить.

Ошибка «ModuleNotFoundError: No module named ‘django'»

Такая ошибка возникает, если Django не установлен на компьютере. Чтобы решить эту проблему, необходимо установить Django с помощью pip:

pip install Django

Ошибка «Error: Target WSGI script not found or unable to stat»

Такая ошибка указывает на проблему с файлом WSGI. Для ее решения необходимо проверить, указан ли правильный путь к файлу WSGI в конфигурационном файле. Также следует убедиться, что файл WSGI находится в нужной директории.

Ошибка «Port 8000 is already in use»

Если вы видите такое сообщение, значит порт 8000 уже используется другим приложением. Чтобы решить эту проблему, можно изменить порт для запуска сервера. Для этого нужно указать другой номер порта, например 8080:

python manage.py runserver 8080

Ошибка «no module named ‘myapp'»

Если вы создали приложение с именем «myapp», а Django не может найти его, то нужно проверить, правильно ли указано имя приложения в конфигурационном файле настроек.

Ошибка «TypeError: ‘xxx’ object is not callable»

Такая ошибка возникает, когда используется несуществующий метод или пропущен аргумент. Необходимо проверить код и убедиться, что все методы используются правильно и все аргументы передаются в нужном порядке.

Ошибка «SyntaxError: invalid syntax»

Такая ошибка возникает, если код содержит синтаксические ошибки. Чтобы решить эту проблему, нужно внимательно проверить код и исправить все ошибки.

Заключение

В данной статье мы рассмотрели частые ошибки при запуске сервера на Django и как их решить. Важно помнить, что большинство проблем можно решить, внимательно следуя инструкциям и проверяя код.

Начал изучать django, создал проект, попытался запустить сервер с помощью команды python manage.py runserver, но выдает ошибку. Подскажите, пожалуйста, в чем проблема. Ошибка:

C:Usersданя>cd C:Django

C:Django>cd myfirst

C:Djangomyfirst>python manage.py runserver
Watching for file changes with StatReloader
Performing system checks...

Exception in thread django-main-thread:
Traceback (most recent call last):
  File "C:anacondalibthreading.py", line 917, in _bootstrap_inner
    self.run()
  File "C:anacondalibthreading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 53, in w
rapper
    fn(*args, **kwargs)
  File "C:anacondalibsite-packagesdjangocoremanagementcommandsrunserver.
py", line 117, in inner_run
    self.check(display_num_errors=True)
  File "C:anacondalibsite-packagesdjangocoremanagementbase.py", line 395,
 in check
    include_deployment_checks=include_deployment_checks,
  File "C:anacondalibsite-packagesdjangocoremanagementbase.py", line 382,
 in _run_checks
    return checks.run_checks(**kwargs)
  File "C:anacondalibsite-packagesdjangocorechecksregistry.py", line 72,
in run_checks
    new_errors = check(app_configs=app_configs)
  File "C:anacondalibsite-packagesdjangocorechecksurls.py", line 40, in c
heck_url_namespaces_unique
    all_namespaces = _load_all_namespaces(resolver)
  File "C:anacondalibsite-packagesdjangocorechecksurls.py", line 57, in _
load_all_namespaces
    url_patterns = getattr(resolver, 'url_patterns', [])
  File "C:anacondalibsite-packagesdjangoutilsfunctional.py", line 48, in _
_get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "C:anacondalibsite-packagesdjangourlsresolvers.py", line 588, in ur
l_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
  File "C:anacondalibsite-packagesdjangoutilsfunctional.py", line 48, in _
_get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "C:anacondalibsite-packagesdjangourlsresolvers.py", line 581, in ur
lconf_module
    return import_module(self.urlconf_name)
  File "C:anacondalibimportlib__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "C:Djangomyfirstmyfirsturls.py", line 20, in <module>
    path('articles/', include('articles.urls')),
  File "C:anacondalibsite-packagesdjangourlsconf.py", line 34, in include
    urlconf_module = import_module(urlconf_module)
  File "C:anacondalibimportlib__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 965, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'articles'

Traceback (most recent call last):
  File "manage.py", line 21, in <module>
    main()
  File "manage.py", line 17, in main
    execute_from_command_line(sys.argv)
  File "C:anacondalibsite-packagesdjangocoremanagement__init__.py", line
401, in execute_from_command_line
    utility.execute()
  File "C:anacondalibsite-packagesdjangocoremanagement__init__.py", line
395, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "C:anacondalibsite-packagesdjangocoremanagementbase.py", line 328,
 in run_from_argv
    self.execute(*args, **cmd_options)
  File "C:anacondalibsite-packagesdjangocoremanagementcommandsrunserver.
py", line 60, in execute
    super().execute(*args, **options)
  File "C:anacondalibsite-packagesdjangocoremanagementbase.py", line 369,
 in execute
    output = self.handle(*args, **options)
  File "C:anacondalibsite-packagesdjangocoremanagementcommandsrunserver.
py", line 95, in handle
    self.run(**options)
  File "C:anacondalibsite-packagesdjangocoremanagementcommandsrunserver.
py", line 102, in run
    autoreload.run_with_reloader(self.inner_run, **options)
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 599, in
run_with_reloader
    start_django(reloader, main_func, *args, **kwargs)
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 584, in
start_django
    reloader.run(django_main_thread)
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 299, in
run
    self.run_loop()
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 305, in
run_loop
    next(ticker)
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 345, in
tick
    for filepath, mtime in self.snapshot_files():
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 361, in
snapshot_files
    for file in self.watched_files():
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 260, in
watched_files
    yield from iter_all_python_module_files()
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 105, in
iter_all_python_module_files
    return iter_modules_and_files(modules, frozenset(_error_files))
  File "C:anacondalibsite-packagesdjangoutilsautoreload.py", line 141, in
iter_modules_and_files
    resolved_path = path.resolve(strict=True).absolute()
  File "C:anacondalibpathlib.py", line 1144, in resolve
    s = self._flavour.resolve(self, strict=strict)
  File "C:anacondalibpathlib.py", line 196, in resolve
    return self._ext_to_normal(_getfinalpathname(s))
OSError: [WinError 123] Синтаксическая ошибка в имени файла, имени папки или метке тома: '<frozen importlib._bootstrap>'

Файлы проекта:

manage

import os
import sys


def main():
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myfirst.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)


if __name__ == '__main__':
    main()

asgi

import os

from django.core.asgi import get_asgi_application

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myfirst.settings')

application = get_asgi_application()

settings

import os,sys

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

PROJECT_ROOT = os.path.dirname(__file__)
sys.path.insert(0, os.path.join(PROJECT_ROOT, 'apps'))

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'gc*ar4(-%j00mj(9*imu)cq^3%klcpb4h-i71zn3r&l9(j$x2p'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
    '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 = 'myfirst.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 = 'myfirst.wsgi.application'


# Database
# https://docs.djangoproject.com/en/3.0/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}


# Password validation
# https://docs.djangoproject.com/en/3.0/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/3.0/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.0/howto/static-files/

STATIC_URL = '/static/'

urls

from django.contrib import admin
from django.urls import path, include

urlpatterns = [
    path('articles/', include('articles.urls')),
    path('admin/', admin.site.urls)
]

wsgi

import os

from django.core.wsgi import get_wsgi_application

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myfirst.settings')

application = get_wsgi_application()

admin

from django.contrib import admin

apps

from django.apps import AppConfig


class ArticlesConfig(AppConfig):
    name = 'articles'

models

from django.db import models

tests

from django.test import TestCase

urls.py

from django.urls import path

from . import views

urlpatterns = [
    path('', views.index, name = 'index')
]

views

from django.http import HttpResponse

def index(request):
    return HttpResponse("Hello, world!")