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Python Essentials for Data Engineers

Start Data Engineering

Introduction Data is stored on disk and processed in memory Running the code Run on Codespaces Run on your laptop Using python REPL Python basics Python is used for extracting data from sources, transforming it, & loading it into a destination [Extract & Load] Read and write data to any system [Transform] Process data in Python or instruct (..)

Python 147
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How to test PySpark code with pytest

Start Data Engineering

Ensure the code’s logic is working as expected with tests 2.1. Test types for data pipelines 2.2. pytest: A powerful Python library for testing 2.2.1. Set context, run code, check results & clean up 2.2.2. Use fixture to create fake data for testing 2.2.4. Introduction 2.

Coding 208
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Data Pipeline Design Patterns - #2. Coding patterns in Python

Start Data Engineering

Introduction Sample project Code design patterns 1. Singleton, & Object pool patterns Python helpers 1. Functional design 2. Factory pattern 3. Strategy pattern 4. Dataclass 3. Context Managers 4. Testing with pytest 5.

Designing 147
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Simplifying the Python Code for Data Engineering Projects

Towards Data Science

Python tricks and techniques for data ingestion, validation, processing, and testing: a practical walkthrough Continue reading on Towards Data Science »

Python 46
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Managing Your Reusable Python Code as a Data Scientist

KDnuggets

Here are a few approaches that I have settled on for managing my own reusable Python code as a data scientist, presented from most to least general code use, and aimed at beginners.

Coding 158
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What are Data Access Object and Data Transfer Object in Python?

Analytics Vidhya

The pattern is not an actual code but a template that can be used to solve problems in different situations. This ensures easy […] The post What are Data Access Object and Data Transfer Object in Python? Introduction A design pattern is simply a repeatable solution for problems that keep on reoccurring.

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Top 15 Python IDEs and Code Editors to Use in 2024

Knowledge Hut

Over the years, Python language has evolved enormously with the contribution of developers. Python is one of the most popular programming languages. For this feature, Python encloses certain code editors and python IDEs used for software development say, Python itself. What is a Code Editor?

Python 97