Book Image

Python Automation Cookbook - Second Edition

By : Jaime Buelta
Book Image

Python Automation Cookbook - Second Edition

By: Jaime Buelta

Overview of this book

In this updated and extended version of Python Automation Cookbook, each chapter now comprises the newest recipes and is revised to align with Python 3.8 and higher. The book includes three new chapters that focus on using Python for test automation, machine learning projects, and for working with messy data. This edition will enable you to develop a sharp understanding of the fundamentals required to automate business processes through real-world tasks, such as developing your first web scraping application, analyzing information to generate spreadsheet reports with graphs, and communicating with automatically generated emails. Once you grasp the basics, you will acquire the practical knowledge to create stunning graphs and charts using Matplotlib, generate rich graphics with relevant information, automate marketing campaigns, build machine learning projects, and execute debugging techniques. By the end of this book, you will be proficient in identifying monotonous tasks and resolving process inefficiencies to produce superior and reliable systems.
Table of Contents (16 chapters)
14
Other Books You May Enjoy
15
Index

Updating an Excel spreadsheet

In this recipe, we'll see how to update an existing Excel spreadsheet. This will include changing raw values in cells and setting up formulas that will be evaluated when the spreadsheet is open. We'll also see how to add comments to cells.

Getting ready

We will use the openpyxl module. We should install the module, adding it to our requirements.txt file as follows:

$ echo "openpyxl==3.0.3" >> requirements.txt
$ pip install -r requirements.txt

In the GitHub repository, there's an Excel spreadsheet named movies.xlsx that contains information on the top 10 movies by attendance.

The file can be found here: https://github.com/PacktPublishing/Python-Automation-Cookbook-Second-Edition/blob/master/Chapter06/movies.xlsx.

How to do it...

  1. Import the openpyxl module and the Comment class:
    >>> import openpyxl
    >>> from openpyxl.comments import Comment
    
  2. Load the...