Book Image

Modern Python Standard Library Cookbook

By : Alessandro Molina
Book Image

Modern Python Standard Library Cookbook

By: Alessandro Molina

Overview of this book

The Python 3 Standard Library is a vast array of modules that you can use for developing various kinds of applications. It contains an exhaustive list of libraries, and this book will help you choose the best one to address specific programming problems in Python. The Modern Python Standard Library Cookbook begins with recipes on containers and data structures and guides you in performing effective text management in Python. You will find Python recipes for command-line operations, networking, filesystems and directories, and concurrent execution. You will learn about Python security essentials in Python and get to grips with various development tools for debugging, benchmarking, inspection, error reporting, and tracing. The book includes recipes to help you create graphical user interfaces for your application. You will learn to work with multimedia components and perform mathematical operations on date and time. The recipes will also show you how to deploy different searching and sorting algorithms on your data. By the end of the book, you will have acquired the skills needed to write clean code in Python and develop applications that meet your needs.
Table of Contents (21 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
Index

Chapter 4. Filesystem and Directories

In this chapter, we will cover following recipes:

  • Traversing folders—recursively traversing a path in the filesystem and inspecting its contents
  • Working with paths—building paths in a system-independent way
  • Expanding filenames—finding all files that match a specific pattern
  • Getting file information—detecting the properties of a file or directory
  • Named temporary files—working with temporary files that you need to access from other processes too
  • Memory and disk buffer—spooling a temporary buffer to disk if it's bigger than a threshold
  • Managing filename encoding—working with the encoding of filenames
  • Copying a directory—copying the content of a whole directory
  • Safely replacing a file's content—how to replace the content of a file safely in case of failures