Category: Python Tutorials

Python programming, installation, tutorials, errors, examples, how to guides for beginners

Install right version of chrome driver on Windows 10 PC

Google chrome version

Below are the instructions on how to install chrome driver or (webdriver for Chrome) on Windows 10 PC. You have to download the right version of chrome driver, otherwise you will get error like below when you try to run the code using selenium webdriver in Python. SessionNotCreatedException: Message: session not created: This version of […]

Extract all links from webpage using python selenium webdriver

python selenium to extract links from webpage

Python code to extract href links from webpage using Selenium webdriver. If you are using any firewall setting, make sure to whitelist the webpage from where you want to fetch the links or turn off the anti-virus software. Notes: Replace PATH TO WEBDRIVER EXE FILE (on line 4) with the chromedriver.exe path on your PC […]

Create new image in Python | PIL.Image.new() method

You can create a new image in Python using PIL library’s Image.new() method. Syntax: Image.new(mode, size, color) Parameters:mode – type of pixel (RGB, HSV etc). Check the modes supported by Python size – a tuple, (width, height) in pixels color – color of the new image. default is black (=0). Example#1 Creating an image of […]

Python wget.download() | Download Image from URL

Simplest way to download an image from it’s URL using Python wget module’s download method. Contents Syntax Examples Code#1 Code#2 Prerequisites:1. Install wget library Syntax: get.download(URL, Target Directory (optional)) Parameters: URL – Image URL Example: https://gethowstuff.com/wp-content/uploads/2020/03/python-crash-course-001.jpg Target Directory (optional) – Path where downloaded image will be saved. Otherwise, it will be saved to current working […]

Python PIL getpixel() method to get pixel value

Python PIL getpixel() method provides image data at pixel level. You can extract the pixel value by passing it’s (x,y) coordinates. getpixel() Syntax Syntax: getpixel(xy) Parameters: xy, pixel coordinates represented as a tuple (x,y) i.e.(row, column) Returns: a pixel value for single band images (grey-scale images), a tuple of pixel values for multi-layer images. For […]

Resize Image keeping aspect ratio – Python PIL Image Module

Below Python code resizes an image keeping it’s aspect ratio using PIL library Image Module. The above code is tested on Windows 10 PC using PyCharm 2019.3.3 In the code, we have set the height of the image to 900 Percentage of height of the resized image calculation proportional width value calculation using below formula […]

Python Pillow (PIL) Tutorial [Installation and Examples]

Python Pillow Pillow is a Python Imaging Library (called as PIL), which supports opening, manipulating (filtering, enhancing, masking, watermarking, resizing etc) and saving of images. The latest version can identify and read more than 30 image formats. Write support is intentionally restricted to few image formats. Installing Python Pillow on Windows To install Python Pillow […]