Understanding Python's __name__ Attribute

The name attribute in Python is a built-in variable that reveals how a script is being executed. When a file runs directly as the main program, name equals the string 'main'. Conversely, when the file is imported as a module in to another script, name holds the module's filename (with out the .py extension). This behavior is commonly used to: ...

Posted on Tue, 04 Aug 2026 16:45:53 +0000 by krishna.p

Setting Up Application Entry Point with Configuration Constants

Create a package named QHApplicationEntrance under QHEntrance, then create a class called QHBaseEntrance to serve as the application entry point. Let's start with a simple hello world to verify the setup works correctly. Once you see the console output "Helo world!Now we get to start!", you can proceed with the implementation. The goa ...

Posted on Mon, 03 Aug 2026 16:14:29 +0000 by Bertholt

Understanding the `if __name__ == "__main__"` Guard in Python Modules

Python scripts execute top-to-bottom upon invocation, unlike compiled languages that mandate a specific entry function like main(). This dynamic execution model creates a conflict when a source file serves dual purposes: acting as an executable script and functioning as an importable library. The conditional block if __name__ == "__main__& ...

Posted on Wed, 03 Jun 2026 17:44:24 +0000 by kir10s