django-views | 易学教程

django template extends not working

阅读更多关于 django template extends not working

问题 This is my base.html <!DOCTYPE html> <head> <title> My Site </title> </head> <body> <div id="wrapper">  {% block nav %} {% endblock %} {% block index %} {% endblock %} </div> </body> </html> this is my nav.html {% extends "base.html" %} {% block nav %} <div id="header"> <div class="inner"> <div class="nav"> <ul> <li class="current"><a href="index.html">Home</a></li> <li><a href="about.html">About</a></li> <li><a href="blog_right.html">Blog</a></li> <li><a href="contact

'instancemethod' object has no attribute 'getitem'

阅读更多关于 'instancemethod' object has no attribute '__getitem__'

问题 I keep getting this error: TypeError: 'instancemethod' object has no attribute '__getitem__' With my particular view on a django site I am playing around with. I have no idea why but I have a feeling it might be related to the way I am retrieving a specific object from a model. The error occurs here: def myview(request): if request.method == 'POST': tel = request.POST.get['tel_number'] person = get_object_or_404(Employee,phone_number=tel) # HERE I have an Employee model with phone_number as a

Django and root processes

阅读更多关于 Django and root processes

In my Django project I need to be able to check whether a host on the LAN is up using an ICMP ping. I found this SO question which answers how to ping something in Python and this SO question which links to resources explaining how to use the sodoers file. The Setting A Device model stores an IP address for a host on the LAN, and after adding a new Device instance to the DB (via a custom view, not the admin) I envisage checking to see if the device responds to a ping using an AJAX call to an API which exposes the capability. The Problem However (from the docstring of a library suggested in the

How to get information from Django_tables2 row?

阅读更多关于 How to get information from Django_tables2 row?

I have declared a table and want to fetch the row's value which is checked using checkboxfield. Any help, how can i write this event in my views so that everytime I select a row and hit submit button, it returns the row's values.Code goes like this: class mytables(tables.Table): new_database = tables.CheckBoxColumn() student =tables.Column(accessor='Student') Class = tables.Column(accessor='class') And in my templates a submit button. You need to choose a suitable value for the CheckBoxColumn . Generally if you're displaying a queryset, you'll use the pk of each object for the CheckBoxColumn .

Search through multiple fields in Django

阅读更多关于 Search through multiple fields in Django

I'm trying to build a search system, and I want to search by multiple fields name, state, city, in my django models. I wrote the below code, yet I've been unable to figure out how to go about it. Models: class Finhall(models.Model): user=models.ForeignKey(User) name=models.CharField(max_length=250, unique=True) address=models.CharField(max_length=200) city=models.CharField(max_length=200) state=models.CharField(max_length=200) def __unicode__(self): return u'%s' % (self.name) Views.py def hup_find(request): if ('q' in request.GET) and request.GET['q'].strip(): query_string=request.GET.get('q')

django-registration, registration and login form on index page together, did I do it right?

阅读更多关于 django-registration, registration and login form on index page together, did I do it right?

问题 I'd appreciate some code review, I used django-registration app and django.contrib.auth module. What I wanted to do is have both the login and registration form on the index page, and manage it from there. What I did is I just copied code from registration.views.py and contrib.auth.views.py and banged it together. It works but I feel it's very hack-ish, non elegant, and that there is another, proper way to do it. For example I feel it might be better to call or extend view methods in

How to return multiple objects related with ForeignKey in Django

阅读更多关于 How to return multiple objects related with ForeignKey in Django

I have the following in my models.py: class HostData(models.Model): Manager = models.ForeignKey(Managers) Host = models.CharField(max_length=50, null=True) HostStatus = models.CharField(max_length=200, null=True) Cpu = models.PositiveIntegerField(max_length=10, null=True) Disk = models.FloatField(null=True) I would like to return the query for objects related to a certain "Manager". The problem is that the user may add/delete as many managers as he wants. So my initial thought was to have in my views.py something like this: def get_data(request): for server in Managers.objects.all(): host_data

django count of foreign key model

阅读更多关于 django count of foreign key model

Hi i want to display count of answers to my question model my model: class Question(models.Model): text = models.TextField() title = models.CharField(max_length=200) date = models.DateTimeField(default=datetime.datetime.now) author = models.ForeignKey(CustomUser) tags = models.ManyToManyField(Tags) def __str__(self): return self.title class Answer(models.Model): text = models.TextField() date = models.DateTimeField(default=datetime.datetime.now) likes = models.IntegerField(default=0) author = models.ForeignKey(CustomUser) question = models.ForeignKey(Question) my view: def all_questions

django run another class-based view (CBV) in a CBV?

阅读更多关于 django run another class-based view (CBV) in a CBV?

问题 so I have a CBV (A), CBV (B), and a url like regex=r'^(?P<slug>[-\w]+)/(?P<app>[-\w]+)' I want to read in the slug and app parameters with (A) and then based on those, redirect it to an appropriate CBV, possible (B). I don't want to redirect the user with HttpResponseRedirect or anything like that, but instead basically run another CBV as if it were the one being called. How do I run another CBV, like (B), directly/internally from a CBV (A)? 回答1: You can call it that way: class CBViewA(View):

Django redirect using reverse() to a URL that relies on query strings

阅读更多关于 Django redirect using reverse() to a URL that relies on query strings

I'm writing a django application with a URL like 'http://localhost/entity/id/?overlay=other_id'. Where id is the primary key of the particular entity and overlay is an optional query parameter for a second entity to be overlaid in the display. The user can only ever update an entity when viewing objects through an overlay. When POSTing to /update/id, I want to redirect back to /entity/id, but I don't want to lose my query parameter during the redirect, as the change in view would be jarring. For example, I've got the following in my url.py: ... (r'^update/(?P<id>.+)/(?P<overlay_id>.+)/$',