【问题标题】:DoesNotExist at /nuevo/ Profile matching query does not existDoesNotExist at /nuevo/ 配置文件匹配查询不存在
【发布时间】:2022-01-08 14:47:06
【问题描述】:

对不起,我对 Django 和 Python 很陌生,正在做一个学校项目,我使用 python 进行默认登录,它创建用户并进行登录,到目前为止一切都很好。当我使用管理员登录时,我可以毫无问题地输入“html.html”并且视图运行并在数据库中进行查询,问题是当我使用与管理员不同的配置文件登录时,我收到此消息

不存在于 /nuevo/

配置文件匹配查询不存在。

请求方法:GET

我认为问题出在这个查询上

query = Profile.objects.get(pk=request.user.pk)

我想要的是让登录的用户派我去他们的数据库工作,我不知道还能做什么:( 这些是我的模型

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

# Create your models here.

class Profile(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE)
    image = models.ImageField(default='batman.png')
    equip = models.CharField(max_length=1500,default=0)
    pokemon1 = models.CharField(max_length=1500,default=0)
    pokemon2 = models.CharField(max_length=1500,default=0)
    pokemon3 = models.CharField(max_length=1500,default=0)
    pokemon4 = models.CharField(max_length=1500,default=0)
    pokemon5 = models.CharField(max_length=1500,default=0)
    pokemon6 = models.CharField(max_length=1500,default=0)
    

    def __str__(self) -> str:
        return f'Perfil de {self.user.username}'



class Post(models.Model):
    user=models.ForeignKey(User, on_delete=models.CASCADE,related_name='posts')
    timestamp = models.DateTimeField(default=timezone.now)
    content = models.TextField()

    class Meta:
        ordering = ['-timestamp']

    def __str__(self):
        return f'{self.user.username}:{self.content}'


我的观点

from django.shortcuts import get_object_or_404, render, redirect
from .models import *
from .forms import UserRegisterForm
from django.contrib import messages
import requests
import random
from .models import Post, Profile
from django.contrib.auth import *


def feed(request):
    post = Post.objects.all()

    context = {'posts': post}
    return render(request, 'social/feed.html',context)



def register(request):
    if request.method == 'POST':
        form = UserRegisterForm(request.POST)
        if form.is_valid():
            form.save()
            username = form.cleaned_data['username']
            messages.success(request, f'Usuario {username} creado')
            return redirect('feed')
    else:
        form = UserRegisterForm()

    context = {'form':form}
    return render(request, 'social/register.html', context)

def profile(request):
    return render(request, 'social/profile.html')


def index(request):

    return render(request, 'social/index.html')



def nuevo(request):
    #Funcion de peticion para saber si el perfil tiene ya un equipo, si no lo genera.
    
    query = Profile.objects.get(pk=request.user.pk)
    a = query.equip
    Contador = 2
    if a == "0":
        #Pikachu
        url = "https://pokeapi.co/api/v2/pokemon/25"
        response = requests.get(url)
        content = response.json()
        poke_data = []
        poke_data2 = []
        #Guardado de pikachu
        query.pokemon1 = url
        query.save()
        ###################
        single_poke = {
            'name':content['name'],
            'id':content['id'],
            'sprites':content['sprites']['front_default'],
            'types':content['types'][0]['type']['name'],
            'types2':'-'
            }
        poke_data.append(single_poke)


        for i in range(2):
            get_poke = "https://pokeapi.co/api/v2/pokemon/"
            poke = 0
            poke = random.randint(1, 500)
            url = get_poke + str(poke)
            response = requests.get(url)
            content = response.json()
            
                        #Guardado de pokemonURL en la base de datos
            #query = Profile.objects.get(pk=request.user.pk)
            
            
            if Contador == 2:
                query.pokemon2 = url
                query.save()
                Contador= Contador + 1
            elif Contador == 3:
                query.pokemon3 = url
                query.save()
                Contador= Contador + 1
            else:
                query.pokemon4 = url
                query.save()
                
            
            ############################################

            if (len(content['types']) == 1):
                single_poke = {
                    'name':content['name'],
                    'id':content['id'],
                    'sprites':content['sprites']['front_default'],
                    'types':content['types'][0]['type']['name'],
                    'types2':'-'
                }
                poke_data.append(single_poke)
            else:
                single_poke = {
                    'name':content['name'],
                    'id':content['id'],
                    'sprites':content['sprites']['front_default'],
                    'types':content['types'][0]['type']['name'],
                    'types2':content['types'][1]['type']['name']
                }
                poke_data.append(single_poke)


        for i in range(3):
            get_poke2 = "https://pokeapi.co/api/v2/pokemon/"
            poke2 = 0
            poke2 = random.randint(1, 500)
            url2 = get_poke2 + str(poke2)
            response2 = requests.get(url2)
            content2 = response2.json()

            #Guardado de pokemonURL en la base de datos
            #query = Profile.objects.get(pk=request.user.pk)
            
            
            if Contador == 4:
                query.pokemon4 = url2
                query.save()
                Contador= Contador + 1
            elif Contador == 5:
                query.pokemon5 = url2
                query.save()
                Contador= Contador + 1
            else:
                query.pokemon6 = url2
                query.save()
                
            
            ############################################
        #    print(len(content2['types']))        

            if (len(content2['types']) == 1):
                single_poke2 = {
                    'name':content2['name'],
                    'id':content2['id'],
                    'sprites':content2['sprites']['front_default'],
                    'types':content2['types'][0]['type']['name'],
                    'types2':'-'
                }
                poke_data2.append(single_poke2)
            else:
                single_poke2 = {
                    'name':content2['name'],
                    'id':content2['id'],
                    'sprites':content2['sprites']['front_default'],
                    'types':content2['types'][0]['type']['name'],
                    'types2':content2['types'][1]['type']['name']
                }
                poke_data2.append(single_poke2)

        #Guardando equipo completo 
        equipoCompleto = []
        equipoCompleto = poke_data + poke_data2
        query.equip = equipoCompleto
        query.save()
        
        return render(request,'social/nuevo.html',{'poke_data':poke_data,'poke_data2':poke_data2})
    else:
        P1 = query.pokemon1
        P2 = query.pokemon2
        P3 = query.pokemon3
        P4 = query.pokemon4
        P5 = query.pokemon5
        P6 = query.pokemon6
        url = P1
        response = requests.get(url)
        content = response.json()
        poke_data = []
        poke_data2 = []

        single_poke = {
            'name':content['name'],
            'id':content['id'],
            'sprites':content['sprites']['front_default'],
            'types':content['types'][0]['type']['name'],
            'types2':'-'
            }
    #  print(single_poke)
        poke_data.append(single_poke)
        Contador = 2


        for i in range(2):
            if Contador == 2:
                url = P2
                
                Contador= Contador + 1
            else:
                url = P3
            
                Contador= Contador + 1

          
            response = requests.get(url)
          
            content = response.json()
          
            if (len(content['types']) == 1):
                single_poke = {
                    'name':content['name'],
                    'id':content['id'],
                    'sprites':content['sprites']['front_default'],
                    'types':content['types'][0]['type']['name'],
                    'types2':'-'
                }
                poke_data.append(single_poke)
               
            else:
                single_poke = {
                    'name':content['name'],
                    'id':content['id'],
                    'sprites':content['sprites']['front_default'],
                    'types':content['types'][0]['type']['name'],
                    'types2':content['types'][1]['type']['name']
                }
                poke_data.append(single_poke)


        for i in range(3):
            
            if Contador == 4:
                url2 = P4
               
                Contador= Contador + 1
            elif Contador == 5:
                url2 = P5
              
                Contador= Contador + 1
            else:
                url2 = P6
              
            response2 = requests.get(url2)
            content2 = response2.json()

            if (len(content2['types']) == 1):
                single_poke2 = {
                    'name':content2['name'],
                    'id':content2['id'],
                    'sprites':content2['sprites']['front_default'],
                    'types':content2['types'][0]['type']['name'],
                    'types2':'-'
                }
                poke_data2.append(single_poke2)
            else:
                single_poke2 = {
                    'name':content2['name'],
                    'id':content2['id'],
                    'sprites':content2['sprites']['front_default'],
                    'types':content2['types'][0]['type']['name'],
                    'types2':content2['types'][1]['type']['name']
                }
                poke_data2.append(single_poke2)

        return render(request,'social/nuevo.html',{'poke_data':poke_data,'poke_data2':poke_data2})

我的html页面

    {% extends 'social/layout.html'%}
{% load static %}
{% block content %}
<link href='https://fonts.googleapis.com/css2?family=Roboto+Mono&display=swap' rel='stylesheet'>
<link href="{% static '/styles.css' %}" rel="stylesheet" />
{% if poke_data %}
    <center>    
        <div id="contenedor">
            <div id="contenidos">
                {% for poke_data in poke_data %}
                    <div class="poke-card">
                        <div  class="img-container">
                            <img  class="poke-img" src={{poke_data.sprites}}>
                        </div>
                        <div>{{ poke_data.name}}</div>
                        <div>ID:{{poke_data.id}}</div>
                        <div>{{poke_data.types}}</div> 
                        <div>{{poke_data.types2}}</div>
                    </div>
                {% endfor %}
                
            </div>
        </div>
    </center>
    <center>    
        <div id="contenedor">
            <div id="contenidos">
                {% for poke_data2 in poke_data2 %}
                    <div class="poke-card">
                        <div  class="img-container"><img  class="poke-img" src={{poke_data2.sprites}}></div>
                        <div>{{ poke_data2.name}}</div>
                        <div>ID:{{poke_data2.id}}</div>
                        <div>{{poke_data2.types}}</div>
                        <div>{{poke_data2.types2}}</div>
                    </div>
            {% endfor %}
            </div>
        </div>
    </center>

{% endif %}

{% endblock %}

设置

from pathlib import Path
import os

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-l^#a!=5a)fewvqnf!#ao(sp08uec9qbzx84zsxw@sqo5nh@+sn'

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

ALLOWED_HOSTS = []

#borrar por si acaso
STATICFILES_DIRS=['D:/ProFinalWWW/poke_proyect/poke/static']
# Application definition

INSTALLED_APPS = [
    'poke.apps.PokeConfig',
    'django.contrib.humanize',
    '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 = 'poke_proyect.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': ['D:/ProFinalWWW/poke_proyect/poke/templates/social'],
        '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 = 'poke_proyect.wsgi.application'


# Database
# https://docs.djangoproject.com/en/3.2/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}


# Password validation
# https://docs.djangoproject.com/en/3.2/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',
    },
]

AUTH_PROFILE_MODULE = 'accounts.UserProfile'

# Internationalization
# https://docs.djangoproject.com/en/3.2/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/3.2/howto/static-files/

STATIC_URL = '/static/'

MEDIA_URL = '/media/'

MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

LOGIN_REDIRECT_URL = 'ind'

# Default primary key field type
# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

对不起,我的代码乱七八糟,我刚学编程,希望你能帮助我,非常感谢。

【问题讨论】:

    标签: python django django-models django-views python-requests


    【解决方案1】:
    query = Profile.objects.get(pk=request.user.pk)
    

    这个查询没有做你认为它正在做的事情。您在这里有 2 个相关表(个人资料和用户)。他们都有pk,而且从所有意图和目的来看,它们是无关的。您添加了一个 OneToOneField,它创建了表之间的关系。查询实际上更简单,因为您可以检查 Profile 的用户并查看它是否与 request.user 匹配,如下所示:

    query = Profile.objects.get(user=request.user)
    

    【讨论】:

    • 哦,我明白了,我试试,非常感谢。但是,我不清楚的是,对于超级用户管理员,如果查询有效,但对于普通用户却没有
    • 成功了,非常感谢:D
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