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Data Ingestion with Python Cookbook

Data Ingestion with Python Cookbook

By : Gláucia Esppenchutz
4.5 (4)
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Data Ingestion with Python Cookbook

Data Ingestion with Python Cookbook

4.5 (4)
By: Gláucia Esppenchutz

Overview of this book

Data Ingestion with Python Cookbook offers a practical approach to designing and implementing data ingestion pipelines. It presents real-world examples with the most widely recognized open source tools on the market to answer commonly asked questions and overcome challenges. You’ll be introduced to designing and working with or without data schemas, as well as creating monitored pipelines with Airflow and data observability principles, all while following industry best practices. The book also addresses challenges associated with reading different data sources and data formats. As you progress through the book, you’ll gain a broader understanding of error logging best practices, troubleshooting techniques, data orchestration, monitoring, and storing logs for further consultation. By the end of the book, you’ll have a fully automated set that enables you to start ingesting and monitoring your data pipeline effortlessly, facilitating seamless integration with subsequent stages of the ETL process.
Table of Contents (17 chapters)
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1
Part 1: Fundamentals of Data Ingestion
9
Part 2: Structuring the Ingestion Pipeline

Creating connectors in Airflow

Having DAGs and operators without connecting to any external source is useless. Of course, there are many ways to ingest files, even from other DAGs or task results. Still, data ingestion usually involves using external sources such as APIs or databases as the first step of a data pipeline.

To make this happen, in this recipe, we will understand how to create a connector in Airflow to connect to a sample database.

Getting ready

Refer to the Getting ready section of the Configuring Airflow recipe for this recipe since we will handle it with the same technology.

This exercise will also require the MongoDB local database to be up and running. Ensure you have configured it as seen in Chapter 1 and have at least one database and collection. You can use the instructions from the Connecting to a NoSQL database (MongoDB) recipe in Chapter 5.

How to do it…

Here are the steps to perform this recipe:

  1. Let’s start by opening...

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