When it comes to micro-frames, Python flask and Ruby Sinatra are undoubtedly the hottest two, and would like to hear the comments and recommendations of friends who have contacted them. From my current understanding, although python in the domestic development seems better than Ruby, but in foreign web development convenience, Ruby Rails/sinatra basically occupy the dominant position, from Google out of the data can be knows.
Reply content:The questio
Original: Flask The framework author wants to see the Python
Does Python really have this "biggest design error"? Can't the Python designer see it? "Slot (slots) system" Is it really bad?
Reply content:The author spat out that the Python language was too tightly coupled with the CPython interpreter. Even sometimes some implementations of the CPython interpreter become part of the language.
Although
This example describes how Python uses the flask framework to upload multiple files at the same time and share them for your reference. Specific as follows:
The following demo code comes with a detailed HTML page and Python code
Import os# We ' ll render HTML templates and access data sent by post# using the request object from flask. Redirect and url_for# would
This article is an example of Python using the flask framework to upload multiple files at the same time to share with you for your reference. Specifically as follows:
The following demo code comes with a detailed HTML page and Python code
Import OS # We ll render HTML templates and access data sent by POST # using the ' request ' object from flask. Redire
, password to write the initial root password (you can also create a user login).Click OK, then connect, after success as.Next, you can operate the server with various Linux commands.Flask FrameFlask is a lightweight Web application framework written using Python. Based on the Werkzeug Wsgi Toolbox and the Jinja2 template engine. Flask uses BSD licensing. Flask i
The content of this section
Django Rest Framework Installation
Django Rest framwwork Environment configuration
Simple example Description
Using the rest framework in Django
1.1 Installing the Django rest
This article mainly introduces some examples of a memory monitoring program using the Flask framework of Python combined with MySQL, and can display the results in a simple graphical way, for more information about how to monitor memory usage, see the following demo program.
I. create databases and tables
Create a falcon database:
mysql> create database falcon character set utf8;Query OK, 1 row affected (
This article mainly introduces some examples of a memory monitoring program using the Flask framework of Python combined with MySQL, and can display the results in a simple graphical way, for more information about how to monitor memory usage, see the following demo program.
I. create databases and tables
Create a falcon database:
mysql> create database falcon character set utf8;Query OK, 1 row affected (
into the bin directory of the virtual directory--and perform the source bin/activate activation virtualenv--and Finish.Note: The name of the virtual directory is displayed before the command line when VIRTUALENV is activated.5. Installing the Flask FrameFirst install flask's two dependent components Werkzeug WSGI Toolbox and JINJA2 template engine, installed by: Unzip the package--Execute Python setup.py install--and Finish.Download the
. We also need to add paging parameters to the index function and give them a default value because there are two route parameters in the three route, so the route must use the default values.
Now that we've got a page number parameter, we can easily apply it to our followed_post query, and there's a configuration constant that we've defined before: Posts_per_page.
We can notice how simple these changes are, and when we change a page, very little code is affected. We try to write each part of th
Currently, REST is a popular concept. REST has become an increasingly common Web application, and there are more and more REST-based Web Services, micro-blogs, including Twitter, use REST as their external APIs. I have previously introduced "REST-based Web Service design" an
Salt encryption is to mix a random string into the encryption. this string is called quot; salt value quot ;, here, let's take a look at the usage of the salt-based hash encryption and verification functions in the Python Flask framework:
Password encryption
The main form of password storage:
Plaintext storage: it can be identified by the naked eye without any security.
Encrypted storage: the origina
foreign key dataSerializer = Myserializer (data=Request.data, context={"author": User})#if the deserialized object exists, it means that the data is valid and the data is saved to the database
ifserializer.is_valid ():#call Save () to invoke the Create () method of the serialized object, creating a piece of data
Serializer.save ()returnResponse (Serializer.data, status=status. HTTP_200_OK)returnResponse (Serializer.errors, Status=status. Http_400_bad_request) How the Django
Django REST frameworkis a framework based on Django , and REST framework How is it? 反向生成url ?In the previous example, you know that REST framework there are 6 versioning methods in which you enter any version-controlled source cod
The simplest performance of the Django, flask, bottle, Tornado framework itself is measured. The performance of Django is completely silent.
Django, flask, bottle all use Gunicorn+gevent to start, single process, and turn debug off, and the request returns only one string OK.
Tornado start directly, other content is consistent.
The test software is siege, the te
CKeditor can be used in the background article editor when a website is built using Flask. CKeditor supports many text styles and is open-source, here, let's take a look at the CKeditor tutorial integrated with CKeditor rich text editor in the Python Flask framework. CKeditor is currently one of the best visible web editor, which is written in JavaScript. It has
This article mainly introduces the use of the Qiniu Cloud storage instance in the PythonWeb framework Flask. This article also provides an example of the use of the Qiniu Cloud storage PythonSDK. For more information about small websites, see, the free quota of Qiniu Cloud storage is sufficient to provide stable and fast storage services for the site.
Qiniu Cloud storage already has Python SDK. after simpl
1.flask Four steps to connect to the database:
Pour into third-party database expansion pack: from Flask_sqlalchemy import SQLAlchemy
Configure the Config property to connect to the database:app.config["Sqlalchemy_database_uri"] = "Mysql://root:[email protected]/first_flask"app.config["sqlalchemy_track_modifications"] = False
Create a database First_flask
Create an Operational database object: DB = SQLAlchemy (APP)
The follow
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