django formset

Django admin site (2) ModelAdmin methods, djangomodeladminModelAdmin methods Save_model (request, obj, form, change) This method is used when the admin interface saves the model instance. Request is an HttpRequest instance, obj is a model instance, form is a ModelForm instance, and change is a bool value, depending on whether the model instance is added or modified. Override this method to perform some pre-save or post-save actions. For example, you c

1. Install Pip sudo apt-get install Python-pip 2. Install Django and create the project Pip Install django==1.9.2django-admin.py Startproject MySite CD MySite 3, Installation Python2.7-dev sudo apt-get install Python2.7-dev 4, Installation Uwsig sudo python2.7-m pip install Uwsgi 5. Then go to the directory to find the created project Create test.py # test.pyDEF application (env, Start_response

1. Create an app, Python manage.py startapp appname 2. Design model, edit the model in the appname/directory 3. Detection of model changes, Python manage.py makemigrations appname 4. Automating database migrations and synchronizing the management database structure, Python manage.py sqlmigrate 0001 5. Create a data table for the newly defined model in the database Python manage.py migrate Steps to change the model: Edit the models.py file to change the model. Run python manage.py mak

Startup scripts #!/usr/bin/env pythonfrom gevent Import Monkey; Monkey.patch_all () from gevent import wsgifrom mysite.wsgi Import applicationhost = ' 127.0.0.1 ' PORT = 8080# set Spawn=none For Memcachewsgi. Wsgiserver (HOST, PORT), application). Serve_forever () Gevent is a greenlet-based Python concurrency framework that uses the Epoll event monitoring mechanism and many other optimizations to be efficient, with a micro-threading Greenlet as its core. Official website: http://www.dj

1 WSGI#WSGI (is a set of protocols, many things such as Wsgiref, uwsgiref follow this set of protocols)-the Django system is essentially someone's socket (wsgiref or uwsgiref)+Django-The simple definition of WSGI (Web server Gateway Interface) is a specification that defines the interface format between Web apps and Web servers written in Python, enabling Web apps and Web Ser Decoupling between the Ver.

Tags: def perform cat way Django Registration GIS Upper has a1 Template Introduction Sub Html--include 7Template engine-Master Version-include, import the common HTML A. Usage: {% include"pub.html"%}, pub.html can also add {{name}} B. A page can be imported multiple times, and an HTML can have only one master C. Example # Public. htmlclass=" Public"> class="content">{{UserInfo}}# app02_test.html {% include"public.html"%}

[Django advanced] Understand the middleware mechanism and execution sequence in django, and django Middleware The original Article is from Understanding Django Middlewares. This article introduces the definition and function of middleware in django and how to write the m

Use django-suit to add a template for the django 1.7 admin background, django-suitdjango It seems a bit problematic to use inline in django-grappelli. For another skin: Django-suit is the second admin skin recommended by 2scoops.Supports:

User Management Section of Django's blog website (using its own django. contrib. auth) 1. Registration Section, django. contrib. auth Project tool: Python 2.7.11 Django 1.10.2 Bootstrap 3.3.0 IDE: eclipse Pydev 1. Make sure that 'django. contrib. auth' already exists in settings' For example: Settings in myproject 1 I

To install Django2 using PIP:pipinstalldjangoError: Collecting DjangoUsing Cached django-2.0.tar.gzComplete output from command python setup.py egg_info:Traceback (most recent):File "File "django/setup.py", line +, in Version = __import__ (' Django '). Get_version ()File "django/__init__.py", line 1, From django.ut

Label: des style HTTP Io color AR for SP First, some other things related to Django (preparations) are as follows: If Apache/mod_python provides services, the request is sent to the Django. Core. Handlers. modpython. modpythonhandler instance created by mod_python to Django. If it is another server, it must be compatible with wsgi. In this way, the s

Python Study Notes _ 04: Django framework introduction, _ 04 django Directory1. What is Django?2. Build a development environment for the Django framework3 Introduction to Django operations on MySql Databases4. Powerful Django man

1. Django Site Management It is really convenient and you don't have to develop it on your own, but it is often the enterprise-level background. I feel that the functions and beautification of the Django site background are not very good. Here is an article [Use grappelli to beautify the Django Admin background management interface] You can try it. 2. Preparation

Operating Environment centos6.5 django1.6 python2.7.8Python-c "Import Django;print djang.get_version ()" or Django. VERSION To create a Django project:django-admin.py Startproject MySiteThe directory structure is as follows:mysite/# # #这个名字对django命名成什么都没关系.manage.py # # #操作你项目的命令行工具myite/# # #真正的

class Foo(models.Model): bar = models.CharField(maxlength=30) class Meta: # ...The Model metadata is "any data that is not a field"-such as sorting options, admin options, and so on.Here are all the possible Meta options. None of the options are required. Whether to add Class Meta to your model is completely optional.App_labelApp_label This option is only used in one case, your model class is not in the models.py file under the default application package, you need to specify that the model clas

Django-based database operation methods (detailed description) and django operation methods Django claims to be "the most suitable perfect WEB framework for development with a deadline ". This article uses the Django web Development Guide to quickly build a blog that involves many knowledge points. It will not be detai

Simple Django tutorial, django tutorial1. Introduction to Django 1. Introduction to the web Framework Before introducing Django, you must first introduce concepts such as WEB framework. Web Framework: someone else has set a web website template. You can learn its rules and then "fill in" or "modify" it to what you need

Django permission mechanism implementation code details, django permission mechanism details This article focuses on the Django permission mechanism.1. Django permission mechanism Overview The permission mechanism can constrain user behavior, control the display content of the page, and make the API more secure and fle

Django development basics ---- create a project/application, django ---- Environment: 1. python 3.6.2 2. install django: pip install django = 1.10.3 * The following describes how to use Django by developing a simple user sign-in system. Create a

#安装DjangoPip Install Django #== version number#选择路径:D:#任意文件夹名CD Django#罗列Django所提供的命令, where the startproject command to create the projectDjango-admin#新建一个名为guest的项目Django-admin Startproject Guest#进入guestCD GuestPython manager.py# View the commands provided by manageCreate an App #startapp command#创建sign应用Python manag