Django — общее подробное представление DailyForecastDetailView необходимо вызывать либо с объектом pk, либо с фрагментом ⇐ Python

[Anonymous]

Может ли кто-нибудь мне в этом помочь? Я новичок в Django и, видимо, где-то отсутствует связь между моим кодом. Я уже пробовал некоторые решения этой проблемы, упомянутые в SOF, но не могу заставить их работать.
Я получаю сообщение об ошибке:

Общее подробное представление DailyForecastDetailView должно вызываться либо с объектом pk, либо с пулом в URLconf

На моем локальном URL-адресе с датой (http://127.0.0.1:8000/forecast/narnia/2023-03-26/) и без параметра даты (http://127.0.0.1:8000/forecast/narnia/)

Код: Выделить всё

models.py:
from django.conf import settings
from django.db import models
from django.utils.text import slugify

User = settings.AUTH_USER_MODEL

# Create your models here.
class DefaultProfile(models.Model):
user = models.OneToOneField(User, on_delete=models.CASCADE, related_name="profile")
bio = models.TextField()

def __str__(self):
return f"{self.__class__.__name__} object for {self.user}"

class Location(models.Model):
name = models.CharField(max_length=255, unique=True)
slug = models.SlugField(unique=True)
country = models.CharField(max_length=255)
region = models.CharField(max_length=255, blank=True, null=True)
lat = models.DecimalField(max_digits=9, decimal_places=6)
lon = models.DecimalField(max_digits=9, decimal_places=6)
timezone_id = models.CharField(max_length=255)

def save(self, *args, **kwargs):
self.slug = slugify(self.name)
super().save(*args, **kwargs)

def __str__(self):
return self.name

class Meta:
verbose_name_plural = "locations"

# class CurrentWeather(models.Model):

class Forecast(models.Model):
location = models.ForeignKey(Location, on_delete=models.CASCADE, related_name="forecasts")
created_at = models.DateTimeField(auto_now_add=True)
modified_at = models.DateTimeField(auto_now=True)

class DailyForecast(Forecast):
date = models.DateField()
date_epoch = models.IntegerField()
maxtemp_c = models.DecimalField(max_digits=5, decimal_places=2)
maxtemp_f = models.DecimalField(max_digits=5, decimal_places=2)
mintemp_c = models.DecimalField(max_digits=5, decimal_places=2)
mintemp_f = models.DecimalField(max_digits=5, decimal_places=2)
avgtemp_c = models.DecimalField(max_digits=5, decimal_places=2)
avgtemp_f = models.DecimalField(max_digits=5, decimal_places=2)
maxwind_mph = models.DecimalField(max_digits=5, decimal_places=2)
maxwind_kph = models.DecimalField(max_digits=5, decimal_places=2)
totalprecip_mm = models.DecimalField(max_digits=5, decimal_places=2)
totalprecip_in = models.DecimalField(max_digits=5, decimal_places=2)
avgvis_km = models.DecimalField(max_digits=5, decimal_places=2)
avgvis_miles = models.DecimalField(max_digits=5, decimal_places=2)
avghumidity = models.IntegerField()
daily_will_it_rain = models.IntegerField()
daily_will_it_snow = models.IntegerField()
daily_chance_of_rain = models.IntegerField()
daily_chance_of_snow = models.IntegerField()
uv = models.DecimalField(max_digits=5, decimal_places=2)

def __str__(self):
return f"{self.location.name}, {self.date}"

class Meta:
verbose_name_plural = "daily forecasts"

class HourlyForecast(Forecast):
time_epoch = models.IntegerField()
time = models.DateTimeField()
temp_c = models.DecimalField(max_digits=5, decimal_places=2)
temp_f = models.DecimalField(max_digits=5, decimal_places=2)
is_day = models.BooleanField()
text = models.CharField(max_length=255)
icon = models.CharField(max_length=255)
code = models.IntegerField()
wind_mph = models.DecimalField(max_digits=5, decimal_places=2)
wind_kph = models.DecimalField(max_digits=5, decimal_places=2)
wind_degree = models.IntegerField()
wind_dir = models.CharField(max_length=255)
pressure_mb = models.DecimalField(max_digits=5, decimal_places=2)
pressure_in = models.DecimalField(max_digits=5, decimal_places=2)
precip_mm = models.DecimalField(max_digits=5, decimal_places=2)
precip_in = models.DecimalField(max_digits=5, decimal_places=2)
humidity = models.IntegerField()
cloud = models.IntegerField()
feelslike_c = models.DecimalField(max_digits=5, decimal_places=2)
feelslike_f = models.DecimalField(max_digits=5, decimal_places=2)
windchill_c = models.DecimalField(max_digits=5, decimal_places=2)
windchill_f = models.DecimalField(max_digits=5,  decimal_places=2)
heatindex_c = models.DecimalField(max_digits=5, decimal_places=2)
heatindex_f = models.DecimalField(max_digits=5, decimal_places=2)
dewpoint_c = models.DecimalField(max_digits=5, decimal_places=2)
dewpoint_f = models.DecimalField(max_digits=5, decimal_places=2)
will_it_rain = models.IntegerField()
will_it_snow = models.IntegerField()
vis_km = models.DecimalField(max_digits=5, decimal_places=2)
vis_miles = models.DecimalField(max_digits=5, decimal_places=2)
chance_of_rain = models.IntegerField()
chance_of_snow = models.IntegerField()
gust_mph = models.DecimalField(max_digits=5, decimal_places=2)
gust_kph = models.DecimalField(max_digits=5, decimal_places=2)
uv = models.DecimalField(max_digits=5, decimal_places=2)

def __str__(self):
return f"{self.location.name}, {self.time}"

class Meta:
verbose_name_plural = "hourly forecasts"

Код: Выделить всё

views.py:
from datetime import date

from django.shortcuts import get_object_or_404, render
from django.views.generic import DetailView, ListView, TemplateView

from .models import DailyForecast, HourlyForecast, Location

class BaseView(TemplateView):
template_name = "forecast/daily_forecast_detail.html"

class LocationListView(ListView):
model = Location
template_name = "forecast/location_list.html"
context_object_name = "locations"

class DailyForecastDetailView(DetailView):
model = DailyForecast
template_name = "forecast/daily_forecast_detail.html"
context_object_name = "forecast"

def get_queryset(self):
location_slug = self.kwargs["location_slug"]
date = self.kwargs["date"]
location = get_object_or_404(Location, slug=location_slug)
return DailyForecast.objects.filter(location=location, date=date)

class DailyForecastTodayView(DetailView):
model = DailyForecast
template_name = "forecast/daily_forecast_detail.html"
context_object_name = "forecast"

def get_queryset(self):
location_slug = self.kwargs["location_slug"]
location = get_object_or_404(Location, slug=location_slug)
date_today = date.today()
return DailyForecast.objects.filter(location=location, date=date_today)

class HourlyForecastDetailView(DetailView):
model = HourlyForecast
template_name = "forecast/hourly_forecast_detail.html"
context_object_name = "forecast"

def get_queryset(self):
location_slug = self.kwargs["location_slug"]
date = self.kwargs["date"]
hour = self.kwargs["hour"]
location = get_object_or_404(Location, slug=location_slug)
return HourlyForecast.objects.filter(location=location, date=date, hour=hour)

Код: Выделить всё

urls.py:
from django.urls import path

from .views import (
BaseView,
DailyForecastDetailView,
DailyForecastTodayView,
HourlyForecastDetailView,
LocationListView,
)

app_name = "forecast"

urlpatterns = [
# path("", LocationListView.as_view(), name="location_list"),
path("//", DailyForecastDetailView.as_view(), name="daily_forecast_detail"),
path("/", DailyForecastTodayView.as_view(), name="daily_forecast_today"),
# path("", BaseView.as_view(), name="daily_forecast_detail"),
path("///", HourlyForecastDetailView.as_view(), name="hourly_forecast_detail"),
]

На моем локальном компьютере я получил доступ к следующему временному URL-адресу с датой (http://127.0.0.1:8000/forecast/narnia/2023-03-26/) и без параметра даты (http://127.0.0.1:8000/forecast/narnia/) и получаю сообщение об ошибке:

Общий подробный вид DailyForecastDetailView необходимо вызывать либо с объектом pk, либо с фрагментом в URLconf


Подробнее здесь: https://stackoverflow.com/questions/759 ... ith-either