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Скачать или смотреть How to Get XML Elements with Specific Attributes Using ElementTree in Python

  • vlogize
  • 2025-04-07
  • 4
How to Get XML Elements with Specific Attributes Using ElementTree in Python
Python ElementTree - getting element with specific attributepythonxmlelementtree
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Описание к видео How to Get XML Elements with Specific Attributes Using ElementTree in Python

Learn how to efficiently retrieve XML elements with specific attributes using Python's ElementTree library, focusing on filtering elements based on attributes like `population`.
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This video is based on the question https://stackoverflow.com/q/72957104/ asked by the user 'GrizzlyMcGee' ( https://stackoverflow.com/u/16668120/ ) and on the answer https://stackoverflow.com/a/72962609/ provided by the user 'mzjn' ( https://stackoverflow.com/u/407651/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Python ElementTree - getting element with specific attribute

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The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

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Getting XML Elements with Specific Attributes in Python's ElementTree

In the world of data manipulation, working with XML files is a common task—especially when dealing with various data types. One question many developers face is: How can I retrieve specific elements that contain certain attributes? If you're using Python's ElementTree, this guide will help you efficiently pull the information you need.

The Problem

Imagine you have an XML file containing multiple elements, but you only need to pull one element with a specific attribute. Take the following XML structure as an example:

[[See Video to Reveal this Text or Code Snippet]]

In this example, if you want to extract the neighbor element that contains the population attribute, you may face challenges if your current approach tries to access the population attribute directly without filtering for it first.

The Solution

To effectively retrieve elements with a specific attribute, you can use a wildcard search with ElementTree. Let's break down how you can implement this in your code.

Step 1: Import the ElementTree Module

You first need to import the ElementTree module, which provides functions to parse XML files.

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Parse the XML String

Use the fromstring method to parse your XML data:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Find Elements with the Specific Attribute

To search for elements with the population attribute, use the findall method with an appropriate search pattern:

[[See Video to Reveal this Text or Code Snippet]]

Expected Output

Upon running the above code, you will see the output indicating the element that contains the population attribute and its associated attributes:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By utilizing the wildcard search method provided by Python's ElementTree, you can effectively retrieve any XML element featuring a specific attribute, such as population. This approach not only streamlines your code but also enhances its readability and functionality.

Utilize this technique in your future XML-related projects to ease data retrieval and manipulation. Happy coding!

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