python flask tutorial

JSON-formatted file.Attention:@app. Route ('/', methods=[' GET ')This line of code '/' corresponds to the following function definition Def home (), debug url "http://127.0.0.1:5000/"If it is '/OSPAF ', the corresponding function defines Def OSPAF (), the debug URL "HTTP://127.0.0.1:5000/OSPAF"OK, it should be said very clearly./********************************* This article from the blog "Bo Li Garvin"* Reprint Please indicate the source : Http://blog.csdn.net/buptgshengod********************

Simple tutorial on using the sqlalchemy library in the Python Flask framework, flasksqlalchemy Compared with sqlalchemy, sqlalchemy in flask is more thorough in encapsulation and simpler in some methods. First import the Class Library: View the CODE piece derived from my CODE piece on CODE Then, you need to load th

. However, if a duplicate nickname appears, subsequent users will not be able to register successfully. What's worse, we allow users to arbitrarily change their nicknames in a user-configured form, but we still don't check the nickname conflicts. When we analyze the behavior of the application after the error is generated, we will locate these problems. Flask Debugging Features So let's see what happens when a bug is triggered. Let's start by crea

Python Flask framework implements the logon user profile and profile tutorial, pythonflask User Information Page On the user information page, there are basically no new concepts that must be emphasized and introduced. You only need to create a new view function template page containing HTML. The following is a view function (project directory/views. py ): @ App.

-password ' # Administrator List ADMINS = [' your-gmail-username@gmail.com '] Alternatively, we can initialize a mail object to connect to the SMTP mail server and send the message: From flask.ext.mail import mail = mail (APP) Send an email to try! To find out how Flask-mail works, we can send an email from the command line to see. Go to the Python shell and execute the following scri

JINJA2 need to Python2.4 the above version.InstallationAccording to Jinja there are many ways in which you can choose different ways to follow.Use Easy_install or PIP: #sudo easy_install Jinja2 #sudo pip install Jinja2 These two tools can automatically download Jinja from a Web site and install it into the site-packages directory of the Python directory. Install from tar pack: # Download Jinja installation packag

want to display.You may notice that in the import statement we specify the with context. The context of Jinja is made up of the arguments passed to the render_template () function and the Jinja environment contexts from our Python code. For templates, these variables are available when the template is rendered.Some variables are obviously passed by us, for example, Render_template ("index.html", color= "Red"), but there are also variables and functio

Basic tutorial on using the WTForms form framework in Python Flask, flaskwtforms Download and installThe simplest way to install WTForms is to use easy_install and pip: easy_install WTForms# orpip install WTForms You can manually download WTForms from PyPI and run python setup. py install. If you like all these risks,

. This simple trick prevents users from accidentally refreshing the page after submitting a POST request to a blog, causing the post request to be repeatedly written. Show blog POST request Let's say something interesting. We want to crawl the blog post request from the database and display it. If you recall some of the previous articles, we have created many so-called "fake" requests and displayed them on the home page for a long time. These "false" objects are created as

prevents users from accidentally refreshing the page after submitting a blog post request, resulting in repeated writes to the POST request. Show blog POST request Let's say something interesting here. We want to crawl the blog post request from the database and lose it. If you recall some of the previous articles, we created many so-called "false" requests and showed them for a long time on the front page. These "false" objects are created as a Python