At present, Python is a widely used popular general-purpose
programming language. Unlike other programming languages, Python enables
programmers simplify development and maintenance of software applications by
writing clean, concise, and readable code. Hence, many developers use Python
for development of desktop GUI applications and web applications. But the
developers have to use a number of Python frameworks and libraries to simplify
and speed up development of various software applications.
Flask is a lightweight web framework written in Python programming
language. Like other micro-frameworks, Flask enables programmers to build a
variety of web application that perform smoothly without relying on third-party
libraries. However, it allows programmers to add functionalities to a web
application by adding plug-ins. At the same time, the libraries, tools and
modules provided by Flask make it easier for programmers to build websites and
web applications without putting extra time and effort.
Understanding Important Differences between Python and Flask
Programming Language
In addition to being a general purpose and high level programming
language, Python also supports object-oriented, functional, and imperative
programming. It further features a dynamic type system, and supports automatic
memory management. At the same time, the simple syntax rules of the programming
language makes it easier for programmers to build and maintain applications by
writing clean, readable and concise code. At present, Python is being used by
programmers for building both desktop GUI applications and web applications.
Many programmers use Python as web scripting language to build and
maintain a variety of web applications easily. But Python lacks the built-in
features required to build web applications efficiently. Hence, developers have
to use web frameworks additionally to write web applications rapidly in Python.
Flask is a modern and lightweight web framework for Python which comes with a
built-in development server. The built-in development server make the web
applications run smoothly with minimal third-party dependency.
Web Framework
Python is not designed with built-in features to facilitate web
application development. Hence, developers have to use various web frameworks
while using Python as a web scripting language. Based on specific needs of the
project, the Python programmers have option to choose from several full-stack
and micro web frameworks including Django, TurboGears, web2py, Bottle, Pyramid,
Hug and CherryPy. Flask is a micro and non full stack web framework for
Python. It enables programmers to create web applications that function without
depending on many third-party libraries and plug-ins.
Design Rule
The web developers have option to choose from several lightweight
web frameworks. But the libraries, modules and tools provided by individual
micro frameworks differ. Flask is designed based on two Pocco Projects - Jinja2
and Werkzeug WSGI toolkit. The developers can use Jinja2 as a robust template
engine for Python. Jinja2 makes it easier for programmers to render dynamic web
pages by combine specific data sources with particular templates. At the same
time, the developers can use Werkzeug WSGI toolkit to facilitate client-server
communication by executing various utilities functions like request
implementation and response object generation.
Specific Features and Tools
The features and tools provided by Flask make it different from
other lightweight web frameworks for Python. In addition to allowing users to
take advantage of Werkzeug WSGI utility toolkit and Jinja2 template engine,
Flask comes with built-in development server and debugger, and supports RESTful
request dispatching, integrated unit testing, secure client-side cookies, and
Web Server Gateway Interface (WSGI). These features help programmers to enhance
the user experience delivered by the website without writing additional code.
Also, they can assess the functionality and performance of the application
easily by performing integrated unit tests.
Usage
As mentioned earlier, Python is a general purpose programming
languages. In addition to being used a web scripting language, Python is also
used widely for scientific computing, artificial intelligence tasks, and big
data applications. But the Python
developers have to use a variety of frameworks and libraries according to
the nature and usage of each software application. For instance, they have to
use libraries like SciPy, NumPy or Matplotlib while using Python for scientific
computing. Flask is a web framework for Python. Hence, the developers can use
Flask to use Python more efficiently as a web scripting language.
However, one must not forget that comparing Python with Flask is
similar to comparing apples and oranges. Python is a general purpose
programming language which is used widely for web application development. On
the other hand, Flask is a lightweight web framework written in Python. No
programmer can build web applications with Flask without being familiar with
Python.
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