小编jsa_ezs的帖子

是否可以在任务执行期间使用 django-celery-results 查询 celery 任务的状态？

我正在使用 Celery + RabbitMQ 在我的 Django 应用程序中排队任务，

我想使用 task_id 和 task_state 跟踪任务的状态。

为此，我创建了一个 TaskModel(Model) 来存储数据库中的 task_id、task_state 和一些附加数据。在任务执行时，一个新的 TaskModel 对象会随着任务的进行而保存和更新。一切正常。

但是，我仍然需要添加很多功能和特性以及错误保护等。那时我记得 celery 文档提到了 django-celery-results。

所以我遵循了 django-celery-results 文档说明。任务结果存储在默认 django 数据库中的专用表中，但是仅在任务结束后......而不是在 PENDING、STARTED 状态期间。

是否可以使用 django-celery-results 在 PENDING 和 STARTED 状态期间存储和查询任务？或不？

谢谢

python django django-celery

10
推荐指数

1
解决办法

3728
查看次数

如何在django-rest-framework中加入两个模型

假设我有两种型号:

level:

id
file_number
status


level_process:

process_ptr_id
level_id

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我想结合我上面的两个表,使用django-rest-framework在一个API中显示它.我正在寻找互联网上的例子,我找不到它...顺便说一下我使用的方式 python 2.7 , django 1.10.5 and djangorestframework 3.6.2

serializer.py

class LevelSerializer(serializers.HyperlinkedModelSerializer):
    id = serializers.ReadOnlyField()
    class Meta:
        model = Level
        fields = ('__all__')

class LevelProcessSerializer(serializers.ModelSerializer):
    level = LevelSerializer(read_only=True)

    class Meta:
        model = LevelProcess
        fields = ('__all__')

views.py

class ViewLevelProcessViewSet(viewsets.ModelViewSet):
    processes = LevelProcess.objects.all()
    serializer_class = LevelProcessSerializer(processes, many=True)

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django django-rest-framework

10
推荐指数

1
解决办法

1万
查看次数

使用参数'()'和找不到关键字参数'{}来反向'login'.尝试过0种模式:[]

我正在尝试使用django登录视图实现登录页面,这里是代码:

urls.py

urlpatterns = patterns(
    '',
    url(r'^login/$', 'django.contrib.auth.views.login'),
    url(r'^logout/$', 'django.contrib.auth.views.logout'),
)

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和模板:

的login.html

{% extends 'base_cost_control.html' %}
{% block contentbase %}

{% if form.errors %}
    <p>Invalid user or password</p>
{% endif %}

<form method="post" action="{% url 'django.contrib.auth.views.login' %}">
    {% csrf_token %}
    <div class="row" align="center">
    <br>
    <br>
    <h3> CONTROL DE COSTOS </h3>
    <br><br>
    <table>
        <tr>
            <td width=700px>{%include "partials/field.html" with field=form.username %}</td>
        </tr>
        <tr>
            <td width=700px>{%include "partials/field.html" with field=form.password %}</td>
        </tr>
        <tr>
            <td align="right"><input type="submit"  class="btn btn-info" name = "siguiente" id="siguiente"          value="Ingresar"/></td> …

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python django django-urls

4
推荐指数

1
解决办法

7423
查看次数

在点击事件中调用javascript里面的django网址

我在模板中有一个javascript onclick事件,我想从它调用一个带有id参数的django url,如下所示:

$(document).on('click', '.alink', function () {
        var id = $(this).attr('id');
        document.location.href ="{% url 'myapp:productdetailorder' id %}"
});

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当然这根本不起作用.任何的想法？

提前致谢 !!

javascript django jquery location-href

4
推荐指数

3
解决办法

1万
查看次数

在 Django/django-rest-framework 中使用 ModelSerializers 上传 base64 图像

我正在尝试使用 AngularJS 上传图像。

我有这样的模型：

class Profile(models.Model):
    user = models.OneToOneField(User)
    name = models.CharField(max_length=20)
    profile_picture = ImageField(upload_to=settings.MEDIA_ROOT, blank=True)

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我有序列化程序：

class ProfileSerializer(serializers.ModelSerializer):
    class Meta:
        model = Profile

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我有这样的视图：

class ProfileViewSet(viewsets.ModelViewSet):
    queryset = Profile.objects.all()
    serializer_class = ProfileSerializers

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我的帖子转储是这样的：

name: "David"
user: 1
profile_picture: 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""

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但是，给我 400 BAD REQUEST 错误。错误信息是：

{"profile_picture":["The submitted data was not a file. Check the encoding type on the form."]}

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django django-rest-framework

3
推荐指数

1
解决办法

4949
查看次数

Django空表单字段验证不适用于clean方法

我有一个django表单,我想验证当我要保存时字段不为空,让我们说例如"description"字段(charfield)....这是我的form.py代码:

from django.core.exceptions import ValidationError

class CostItemsForm(ModelForm):

    groupid = forms.CharField(required=True)

    def __init__(self, *args, **kwargs):
        super(CostItemsForm, self).__init__(*args, **kwargs)

    class Meta:
        model = CostItems
        fields = [
                    'description', 
                    'usd_value', 
                    'rer',
                    'pesos_value', 
                    'supplier', 
                    'position',
                    'observations',
                    'validity_date',
                ]

    def clean_description(self):
        des = self.cleaned_data['description']
        if des==None:
            raise ValidationError("Description cannot be empty")
        return des

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但没有任何反应,已经尝试过回到这样的:return self.cleaned_data和return clean_description,但还是一样.

这是我的view.py:

class CostItemInsert(View):
    template_name='cost_control_app/home.html'

    def post(self, request, *args, **kwargs):
        if request.user.has_perm('cost_control_app.add_costitems'):
            form_insert = CostItemsForm(request.POST)
            if form_insert.is_valid():
                form_save = form_insert.save(commit = False) …

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python django validation django-forms

3
推荐指数

1
解决办法

6691
查看次数

Azure 上的 Django 应用程序没有获取静态文件

在 Azure webapp 上获得了我的 Django 项目，但是当我调用 SSH 终端时：

Python manage.py collectstatic

它说复制了 252 个文件，但我的静态文件在我的模板上不可见，wwwroot 中的静态文件夹是空的...这是我的 wwwroot 结构：

wwwroot
|---Myproject
|---manage.py
|---oryx-manifest.toml
|---hostingstart.html
|---static //With all my static files
??? myapp
?   ??? migrations
?   ??? __pycache__
?   ??? static
|   |   |---Images
|   |   |   |--myimage.png
|   |   |   |--myimage2.png
?   ??? templates

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这是我的settings.py：

BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
STATIC_ROOT = os.path.join(BASE_DIR, 'static/')
STATIC_URL = '/static/'
STATICFILES_DIRS = (
   ('myapp', os.path.join(BASE_DIR, 'myapp', 'static')),
)
STATICFILES_FINDERS = (
  'django.contrib.staticfiles.finders.FileSystemFinder',
  'django.contrib.staticfiles.finders.AppDirectoriesFinder',
)

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知道为什么或我做错了什么吗？Azure 收集不同吗？ …

django azure django-staticfiles azure-web-app-service

2
推荐指数

2
解决办法

970
查看次数

Django模板标记网址不起作用

我收到此错误是由URL模板标记引起的:

在模板C:\ Users \不要恐慌\ BitNami DjangoStack项目\ Templates\polls\index.html,第5行的错误

我真的不知道为什么会这样.我尝试删除该行,它工作正常,所以我认为这是唯一一个导致麻烦的人.

(顺便说一句,我在Django 1.4.1)

此外,我已经尝试删除引号并删除第一行及其中的所有组合.帮我？

    1   {% load url from future %}
    2   {% if latest_poll_list %}
    3       <ul>
    4       {% for poll in latest_poll_list %}
    5           <li><a href="{% url 'polls.views.detail' poll.id %}">{{ poll.question }}</a></li>
    6       {% endfor %}
    7       </ul>
    8   {% else %}
    9       <p>No polls are available</p>
    10  {% endif %}

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1
推荐指数

1
解决办法

708
查看次数

响应式联合js图

我使用联合 js 库在 html 中创建一个图表，但我需要它像 mi 站点一样响应。事实是，我将它放在一个带有 java 类的 div 中，该类打开并关闭此代码：

$('.open-down-up').click(function(){
  var nameMore = $(this).attr("name");
  var valMore = $(this).attr("value");
  if(valMore == 0){
      $(this).find('span').empty();
      $(this).find('span').append("&#9660;");
      $('div[id='+nameMore+']').slideDown("normal");
      $(this).attr("value","1");
  }else if(valMore == 1){
      $(this).find('span').empty();
      $(this).find('span').append("&#9658;");
      var n = nameMore.indexOf("process_process");
      $('div[id='+nameMore+']').slideUp("normal", function(){
          var n = nameMore.indexOf("process_process");
          if(n > -1){
              hide_panel_all();
          }
      });
      $(this).attr("value","0");
  }
});

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所以，我已经尝试过这样的事情：

var graph = new joint.dia.Graph;

var paper = new joint.dia.Paper({
 el: $('#modelCanvas'),
 gridSize: 10,
 height: $('#modelCanvas').height(),
 width: $('#modelCanvas').width(),
 gridSize: 1,
 model: graph,
});

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但它不起作用......我可以应用任何想法或方法？

提前致谢。

javascript jointjs responsive

1
推荐指数

1
解决办法

763
查看次数

Django PermissionRequiredMixin 重定向到带有消息的登录模板

我得到了这个视图，并且正在使用PermissionRequiredMixin它......它工作正常，但是当我重定向到登录模板（在设置中设置LOGIN_URL）时，我需要它显示一条消息，例如“您无权执行此操作”。知道如何在不创建自定义装饰器而仅使用PermissionRequiredMixin其自身的情况下做到这一点吗？

from django.contrib.auth.mixins import PermissionRequiredMixin

class MyView(PermissionRequiredMixin,View):

    template = 'myapp/item_detail.html'
    permission_required = 'myapp.change_item'


    def get(self, request, *args, **kwargs):
        #Query here
        return render(request, self.template)

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为了实现这一目标，我需要添加什么？

django django-templates django-permissions

1
推荐指数

1
解决办法

4532
查看次数

标签统计

django-rest-framework ×2

azure-web-app-service ×1

django-celery ×1

django-forms ×1

django-permissions ×1

django-staticfiles ×1

django-templates ×1

django-urls ×1

location-href ×1

url ×1