09 June, 2014

Python Development - Attain Robust App Building

Many programmers opt for Python to express concepts without writing longer lines of code. As a dynamic programming language, Python is also used for both scripting and general purposes. The simple syntax and semantic further makes the programming language highly readable and easier to learn. You also have option to use the large standard library provided by Python to accomplish a variety of common programming tasks including establishing connection with the web server, reading and modifying files, and searching for text with regular expressions. However, you can always consider some simple tips to attain robust application building without putting any extra time and effort.

5 Simple Tips to Effectuate Your Python App Development

1) File Handling
Python enables you to handle your files efficiently without importing additional modules. You can simply use a built-in called as files to accomplish file handling tasks. The object allows you to manipulate files by using a set of basic functions and methods. For instance, you can use the built-in open() function by passing the file name as parameter to open the particular file in read mode. Likewise, you can manipulate the file by using a variety of functions like read(), readline() and readlines(), write(), writelines(), append() and close() functions.

2) Language Rules
You can easily enhance the readability and aesthetics of your code by using PEP8. The style guide for Python code will further help you in maintaining consistency within individual functions and modules. It can also be used to maintain consistency throughout the project. For instance, based on the requirement of your project you can consider using imports, packages, exceptions and generators. Similarly, you need to avoid using global variables, and use list comprehensions only for simple cases.

3) Python Style Rules
The PEP8 style guide for Python can also be used to customize your code. However, you must remember certain styling rules while customizing the lines of code. You must avoid using semicolons (;) to put two commands in the same line or terminate lines. The length of each line must not exceed 80 characters. You have to indent the code blocks with 4 spaces. It is also important to use the most appropriate style for method, function, module and in-line comments.

4) Browsing with Mechanize
As a useful Python module, Mechanize makes it easier for you to navigate through the web forms. You can use the browse-like object provided by the module to interact with the web pages. To use Mechanize, you have to create a browser object and specify its settings. Then you can open a web page, and list the forms included in it. After selecting the web form, you can use the browser object provided by Mechanize to iterate through the web form controls. You also have option to select text controls, and set these as a string or access in read only mode.

5) Using Python for the Web
As noted earlier, Python can also be used as a scripting language for the web. You can write Python code to interact with other applications. Your application will use application programming interface key (API key) to access a variety of services on the internet including Facebook, Google and Twitter. Further, it can exchange information with other systems through JavaScript Object Notation (JSON). JSON can also be used in a variety of forms including string, array, number, value or objects. Thus, you can easily optimize the performance of your application by accessing and integrating with a variety of online services.

You also have option to use Python development frameworks to rapidly build robust applications. The tools provided by these frameworks will make it easier to accomplish specific programming tasks without writing complex code. Also, you can access various online developers’ forums to know some of the Python development best practices.

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