From django db import models ошибка

I keep receiving the error Could not import movies.views. Error was: No module named models

Here is my traceback:

    Environment:


    Request Method: GET
    Request URL: http://localhost:8000/movies/awesome-movie/

    Django Version: 1.3.1
    Python Version: 2.7.3
    Installed Applications:
    ['django.contrib.auth',
     'username_patch',
     'django.contrib.contenttypes',
     'django.contrib.sessions',
     'django.contrib.sites',
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'django.contrib.admin',
     'django.contrib.flatpages',
     'south',
     'tagging',
     'tagging_autocomplete',
     'accounts',
     'movies',
     'tracking',
     'djcelery',
     'pagination']
    Installed Middleware:
    ('django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.middleware.locale.LocaleMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.contrib.flatpages.middleware.FlatpageFallbackMiddleware',
     'pagination.middleware.PaginationMiddleware')


    Traceback:
    File "/Users/jeff/Code/filmlibrary/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
      101.                             request.path_info)
    File "/Users/jeff/Code/filmlibrary/lib/python2.7/site-packages/django/core/urlresolvers.py" in resolve
      252.                     sub_match = pattern.resolve(new_path)
    File "/Users/jeff/Code/filmlibrary/lib/python2.7/site-packages/django/core/urlresolvers.py" in resolve
      252.                     sub_match = pattern.resolve(new_path)
    File "/Users/jeff/Code/filmlibrary/lib/python2.7/site-packages/django/core/urlresolvers.py" in resolve
      158.             return ResolverMatch(self.callback, args, kwargs, self.name)
    File "/Users/jeff/Code/filmlibrary/lib/python2.7/site-packages/django/core/urlresolvers.py" in _get_callback
      167.             raise ViewDoesNotExist("Could not import %s. Error was: %s" % (mod_name, str(e)))

    Exception Type: ViewDoesNotExist at /movies/awesome-movie/
    Exception Value: Could not import movies.views. Error was: No module named models

I am not sure why I have this error. My code is as follows…

I have an django app called tracking and another called movies. I have a python file called tracking.py in the tracking app it consists of the following code:

filmlibrary/tracking/tracking.py

from movies.models import Movie
from tracking.models import MovieView

import os
import base64

def tracking_id(request):
    try:
        return request.session['tracking_id']
    except KeyError:
        request.session['tracking_id'] = base64.b64encode(os.urandom(36))
        return request.session['tracking_id']

def log_movie_view(request, movie):
    t_id = tracking_id(request)
    try:
        v = MovieView.objects.get(tracking_id=t_id, movie=movie)
        v.save()
    except MovieView.DoesNotExist:
        v = MovieView()
        v.movie = movie
        v.ip_address = request.META.get('REMOTE_ADDR')
        v.tracking_id = t_id
        v.user = None
        if request.user.is_authenticated():
            v.user = request.user
        v.save()

The above is pretty basic stuff. My views.py in my movies app uses the tracking.py file here:

filmlibrary/movies/views.py

@login_required
def movie_details(request, slug, template_name="movies/movie_detail.html"):
    movie = get_object_or_404(Movie, slug=slug)
    movie.tracking_id = tracking.tracking_id(request)
    movie.save()
    tracking.log_movie_view(request, movie)
    context = RequestContext(request, {'movie': movie })
    if movie:
        try:
            screener = movie.moviemedia_set.get(movie_type='screener')
            .... continued

UPDATE:

Here are the contents of filmlibrary/tracking/models.py

from django.db import models
from django.contrib.auth.models import User

from movies.models import Movie

class PageView(models.Model):
    class Meta:
        abstract = True

    date = models.DateTimeField(auto_now=True)
    ip_address = models.IPAddressField()
    user = models.ForeignKey(User, null=True)
    tracking_id = models.CharField(max_length=50, default='')

class MovieView(PageView):
    movie = models.ForeignKey(Movie)

The error appears to come from the import line from tracking.models import MovieView in the tracking.py file and I am not sure why. As soon as I comment out that line the error goes away but then of course I’ll have new errors about MovieView not existing as expected. I don’t see anything wrong with that import line in tracking.py.

Does anyone have any suggestions as to why I receive that error and how I can resolve this?

  File "c:Djangomrpetsviews.py", line 5, in <module>
    from . models import Pets, Events
ImportError: cannot import name 'Pets'

Не могу понять, почему, раньше все работало и в views.py ничего во время появления ошибки не менялось (только дописывалась функция в models.py)

models.py с классом Pets, на который ругается сервер:

#coding: utf8
import datetime
from django.db import models
from django.utils import timezone
from django.contrib import admin
from django.contrib.auth.models import User
from django.core.urlresolvers import reverse
from . import views
class Pets(models.Model):
	Gen = (
		('0', 'Неизвестно'),
		('1', 'Самец'),
		('2', 'Самка'))
	u_name = models.ForeignKey(User)
	pet_name = models.CharField('Имя питомца', max_length=20)
	species = models.ForeignKey(Species, on_delete=models.DO_NOTHING, 
		null = True, verbose_name = 'Вид животного', related_name = 'keepers')
	morph = models.CharField('Морфа',max_length=50, blank = True)
	gender = models.CharField('Пол',max_length=1, choices = Gen)
	birth_date = models.DateField('Дата рождения',null = True)
	fed_freq = models.DurationField('Частота кормления',null = True)
	pet_comment = models.TextField('Комментарий',blank = True)
	def get_absolute_url(self):
		return reverse(views.PetDetailView, kwargs={'pk': self.pk}) 
	class Meta(object):
		ordering = ['pet_name']
		verbose_name = 'Pet'
		verbose_name_plural = 'Pets'

views.py не вижу смысла приводить полностью, строка импорта, на которую ругается сервер, вот:

from . models import Pets, Events

Куда копать? Вообще ума не приложу, вроде все выглядит корректно.
Дайте наводку, плиз.

Я работаю над проектом с использованием django и использую программное обеспечение Visual Studio Code.

В моем каталоге «store» есть пакет python под названием «tiendaonline» и приложение под названием «gestionpedidos», где я пытаюсь создать таблицу (DDBB)

Проблема, которую я получаю, заключается в том, что я не могу создать таблицу, потому что когда я пытаюсь запустить «py manage.py makemigrations», я вижу msg «No changes detected». Также я вижу в окне под названием проблемы следующее сообщение: » Import «django.db.models» could not be resolved from source «

«.

Мой set.py выглядит следующим образом:

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'gestionpedidos',
]

а моя модель такова:

from django.db import models

# Create your models here.
class Pedidos(models.Model):
    numero = models.IntegerField(max_length=100 )
    fecha = models.DateField(max_length=300 )
    entregado = models.BooleanField() 

class Clientes(models.Model):
    name = models.CharField(max_length=30 )
    direc = models.CharField(max_length=50 )
    Email = models.EmailField() 
    Tel = models.EmailField() 

class Articulos(models.Model):
    name = models.CharField(max_length=100 )
    seccion = models.CharField(max_length=300 )
    price = models.IntegerField() 

Я не знаю, что происходит. Он может дать мне адрес перехода, например «0001_init», но не работает.

Спасибо

сначала перезапустите код vs, а затем активируйте виртуальную среду, если вы ее используете. снова выполните makemigrations и мигрируйте, если изменений не обнаружено, удалите недавнюю миграцию и сделайте это снова

Добавили ли вы папку migrations в приложение gestionpedidos?

Если django не обнаруживает изменения, сделайте следующее
py manage.py makemigrations gestionpedidos чтобы искать изменения только в этом приложении. Я не уверен почему, но это срабатывало для меня бесчисленное количество раз в прошлом.

Вернуться на верх

I want to fetch data from an API and store it in DB. But the api url should not be hardcoded in view. So I have created api.py in which calling the url request as below:

class API(object):
def __init__(self, key, base_url=None):
    self._key = key
    self._base_url = base_url
def get_predictor(self):
    payload = {'key': self._key, 'results':'100'}
    response = requests.get(
    self._get_url(),
    data=payload,
    timeout=(3.1, 10))
    self._get_url_predictor()
def _get_url_predictor(self):
    return '/'.join([self._base_url, 'api', 'meter', 'feed.json'])

Then I have created a file predictor were I am passing parameter to url and fetching details from API as below:

import urllib,json
from django.conf import settings
from AppSerializer.models import EnergyOTAPI, PowerPrediction
from AppSerializer.meter.api import API
def update_api_predictor():
for meter in EnergyOTAPI.objects.all():
            get_api_predector_data(meter)
def get_api_predector_data(meter):
api = API (
    key=meter.key,
    base_url=settings.SOURCE_ENDPOINTS['url_api'][0]
)
endpoint = api.get_predictor()
serialized_data = urllib.request.urlopen(endpoint).read()
output = json.loads(serialized_data)
def _create_sp_power_prediction_from_api():
    created_at = output['channels'][0]['feeds'][0]['created_at']
    entry_id = output['channels'][0]['feeds'][0]['entry_id']
    value = output['channels'][0]['feeds'][0]['value']
    PowerPrediction.objects.create(created=created_at,
                                        entry=entry_id,
                                        value=value)

Then for those fields I created models, serializer, views and url as below.

MOdels:

from django.db import models
class EnergyOTAPI:
key = models.CharField(max_length=255)
class PowerPrediction:
created = models.DateField()
entry = models.IntegerField('max_length=500')
value = models.IntegerField('max_length=500')

Serializer:

from rest_framework import serializers

from AppSerializer.models import PowerPrediction

class PowerPredictonSerializer(serializers.HyperlinkedModelSerializer):
    source = serializers.ReadOnlyField(source='source.pk')
    class Meta:
        model = PowerPrediction
        fields = ('created',
                  'entry',
                  'value')

Views:

from rest_framework.decorators import api_view
from rest_framework import generics, permissions, viewsets
from rest_framework.reverse import reverse
from rest_framework.response import Response
from AppSerializer.models import PowerPrediction
from AppSerializer.serializer import PowerPredictonSerializer

@api_view(['GET'])
def api_root(request, format=None):
return Response({
    'locations': reverse('solar:location-list', request=request,      format=format),
 'sources': reverse('source-list', request=request, format=format)
})

class PowerPredictionList(generics.ListAPIView):
queryset = PowerPrediction.objects.all()
serializer_class = PowerPredictonSerializer
def perform_create(self, serializer):
    serializer.save(location=self.request.location)

class PowerPredictionDetail(generics.RetrieveDestroyAPIView):
queryset = PowerPrediction.objects.all()
serializer_class = PowerPredictonSerializer