django essentials

In this chapter, we start with the template, in the previous chapters, you may have noticed that we go back to the text in a way that is a bit of a special example view.That. HTML directly in hard-coded Python where code.This is really a little bt.def current_datetime (Request): Now = Datetime.datetime.now () html = "Let's say we learned the template. It's not going to be in this way BT, and then the template in Django is actually an HTML file.

After installing Django, you have installed the available management tools django-admin.py, which you can use to create projects and run django-admin.py to view the command description:See how one of these commands are used:Create a new project:To view the directory structure:Catalogue Description: HelloWorld: the container for the project. manage.py

If this is your first time using Django, you have to do some initial setup. That is, you will need to automatically generate some code to build the Django project.From the command line, CD into a directory, you want to store your code, and then run the following command:Django-admin Startproject MySiteThis will create a directory for MySite in the current directory. In this created MySite folder, the defaul

http://blog.csdn.net/pipisorry/article/details/45061579Previous:Django Project Practice 2-django templateDjango Model{Data and logic can be completely separated}Django supports a variety of databases, including: PostgreSQL, MySQL, SQLite, Oracle. Django provides a unified invocation API for these databases.1. using MySQL in DjangoMySQL is the most commonly used

Django database migration and django migration We have compiled the code for the blog database model, but it is only Python code. Django has not translated it into a database language, therefore, these database tables are not actually created in the database. In order for Django to complete the translation and create t

\ http/1.1 The body content Hello Ok\r\ n\r\n Hello uses the specific URL of the request header to determine the return of different content URL DNS resolution---IP port Web default port is======================================================================A complete web framework1 Socket Service side2 different functions are implemented according to different URLs .3 Returning content to the client Template Render String substitutionPython framework Tornada 1+2+3 Third party's se

My operating system is centos6.51 First choose what database Django will use. django1.10 default database is Sqlite3, I want to use MySQL database, but in order to test convenient by the way to install the SQLite development package.Yum install MySQL mysql-devel#为了测试方便, we need to install the Sqlite-devel package2 Next we need to install Python, because Python3 has become the mainstream, so next we will install Python3, to the official website to dow

1. Installing DjangoIf you do not have Python installed, you need to install python,django1.6 for 2.6,2.7,3.2 or 3.3, which is python2.7.8Then install Django, the release version has been updated to 1.6.6, download in https://www.djangoproject.com/(if the old version is installed, you need to delete the old version first)Installation method win, first unpack the Django package, and then run the Python setup

 1, compile Uwsgi Uwsgi Download Address: http://projects.unbit.it/downloads/ Tar xzvf uwsgi-1.2.tar.gz cd uwsgi-1.2 make-j 8 #或者使用python编译 python uwsgiconfig.py--build CP uwsgi/usr/sbin/in #复制生成的可执行文件uwsgi到/usr/sbin/directory 2, test Uwsgi is availableTest Script test.py #!/usr/bin/python def application (env,start_response): start_response (' OK ', [(' Content_Type ', ' text/ HTML]) return "Congraduation!!! UWSGI testing OK!!! Uwsgi--http:9090--wsgi-file test

Django blog development practices, developer experience for beginners, and django blog Python, a beginner of Django, developed a simple blog, made a note, recorded the development process, the skill is simple, only for beginners to each otherComments and suggestions are welcome.Link:Django blog development practices (1)-analyze requirements and create projectsAd

Django path: the next day, the second day of django path A project has multiple apps. If you want to implement one of the APP functions, what should you do? Next, let's take a look:Step 1: You have created a projectStep 2: You have created an APP in the project.Step 3: You have added the APP to the middleware (image 1) Step 4: Change your urls to this format (Image 2) Step 5: Go to your APP, find the. py fi

[DJANGO] dozens of thousands of lines of data in excel can be quickly imported into the database, and dozens of thousands of lines of django can be imported. First paste the original data import code: 8 import OS. environ. setdefault ("DJANGO_SETTINGS_MODULE", "www. settings ") ''' when the Django version is greater than or equal to 1.7, add the following two sta

Install the Python installation tool Pip and check to see if Django has been installed before. sudo apt-get install Python-pip2. Install a virtual Python environment that does not affect the current Python environment.sudo apt-get install python-virtualenvmkdir ~/django #创建一个用于工作的python的独立目录 (name any) virtualenv env #运行命令virtualenv Env creates an Pyhton standalone environment called ENV (name arbitrar

1. Enter pip install django==1.11.7in cmd and install the version: 1.11.7.2. When the installation is complete, enter:>>> Import django>>> Print (Django.get_version ())If the version number appears, the installation is complete.3. Add an environment variable to the environment variable path:D:\workpace\Python\PythonIDE\Lib\site-packages\django\bin, You can use th

Python Web development framework-Django (1), python-django In the past, web. py (another lightweight web Development Framework) was used as a monitoring and management platform, so it was hard to pick up without making special records. Recently, a log aggregation system is using django. This time, we will write it down to facilitate query.

Label: Debug Django tools debugging Use Django-debug-Tools It is very easy to develop with Django, but many times our experience is not enough, we will dig a lot of traps for ourselves, whether it is performance problems, or the use of development language skills will pose a threat to the stability of the application. After development, debugging and optim

Django paging technology django-pagination and Paginator, djangopaginator Please note the source before reprint: http://blog.csdn.net/gugugujiawei I. Overview Almost all web applications require the paging function, but the paging technology is divided into two types, one is to load all, stored in the browser cache, and the other is paging access, partially load. The advantage of the previous method is that

A brief introduction to the Django FrameworkThis address: http://blog.csdn.net/caroline_wendy/article/details/291722711. IntroductionDjango is an open-source Web application framework, written by Python.Using the MVC software design pattern, i.e. model M, view V and Controller C.It was originally developed to manage some of the news content-based sites of the Lawrence Publishing Group and was published in July 2005 under the BSD license.The framework

A deep understanding of Django's custom filters and a deep understanding of django Preface This article mainly introduces you to the Django custom filter and shares it for your reference. I will not talk much about it below. Let's take a look at the details: Filters and functions Django filters are essentially functions, but there are too many "functions". To sh

Example of how django restricts access and redirection by anonymous users, while django Anonymous Users Preface We should have met that in some pages, we do not want anonymous users to access them, such as personal pages. Such pages can only be accessed by logged-on users. In django, we also have many ways to implement it. The simplest way is to judge the user is