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Articles by Niharikaa Aitam
Page 8 of 8
How can I source a Python file from another Python file?
In Python, sourcing one Python file from another enables code reuse and modular programming. This article explores different methods to import and use Python files in your scripts. Understanding Python File Importing Python importing allows you to use functions, classes, and variables defined in one file within another. This promotes code reusability and helps organize code into logical modules based on functionality. Using the import Statement The import statement is the most common way to include external Python files or modules in your script. Following is the syntax ? import module_name ...
Read MoreHow does underscore \"_\" work in Python files?
In Python, the underscore (_) is a special character with different meanings based on how and where it is used. It plays a significant role in readability, naming conventions, and interpreter behavior. In this article, we will discuss different scenarios of using the Underscore(_) in Python. Single Underscore _ as Throwaway Variable The single underscore (_) is commonly used as a throwaway variable when you don't need to use a particular value in loops or unpacking operations. Ignore Values in Loops When we don't care about the loop variable value, we use _ to indicate this ...
Read MoreHow can I make one Python file run another?
In Python, it is often necessary to execute another file. This is common in cases such as running helper scripts, triggering workflows, or executing test cases. Python provides several ways to execute one file using another. Depending on the requirement, whether we want to reuse functions, execute a file directly, or run it as a subprocess. Let us look at these solutions one by one ? Understanding Python Script Execution Before proceeding with how to run one Python file from another, it's important to understand how Python scripts are executed. When we run a Python file ...
Read MoreHow do I copy a binary file in Python?
In Python, you may need to duplicate binary files such as images, videos, or executables. This article explores efficient methods for copying binary files in Python, covering both built-in functions and manual approaches. What is Binary Format? Binary format stores data as raw byte sequences (0s and 1s) rather than readable text characters. Binary file copying duplicates files byte-by-byte without interpreting content, essential for non-text files like images (.jpg, .png), audio/video (.mp3, .mp4), executables (.exe), and PDFs. Using shutil.copy() The shutil.copy() function copies file contents and basic permissions from source to destination ? Syntax ...
Read MoreHow to find all files in a directory with extension .txt in Python?
Searching for specific files in a directory is a common task that can be accomplished using different tools in Python. In this article, we will see how to find all the files in a directory with extension .txt using Python. Here are different approaches, let's see each one in detail ? Using os.listdir() The os.listdir() function from Python's built-in os module returns a list of file and directory names in the given directory path. Example In this example, we use os.listdir() with list comprehension to filter files ending with ".txt" ? import os ...
Read MoreWhat is the common header format of Python files?
The common header format of Python files is a simple and essential element that provides context and documentation. In Python, we commonly use a docstring as the header format − a special comment enclosed within triple quotes placed at the beginning of the script. Standard Header Structure The standard Python file header uses a docstring with key information about the script ? """ File: filename.py Author: Your Name Date: Date of creation/modification Description: A brief explanation of what this script does. """ Header Components File: The name of the Python file (e.g., ...
Read MoreWhat do the python file extensions, .pyc .pyd .pyo stand for?
Python uses different file extensions to distinguish between various types of files in the Python ecosystem. Understanding these extensions helps developers work more effectively with Python code, modules, and compiled bytecode. Python File Extensions Overview The most common Python file extensions and their purposes are ? .py: Standard Python source code files .pyc: Compiled bytecode files for faster loading .pyo: Optimized bytecode files (deprecated in Python 3.5+) .pyd: Python extension modules on Windows (similar to .dll files) .pyw: Windows GUI scripts that run without a console window .py Files The .py extension identifies ...
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