How to use importlib metadata from Python 3 8
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In Python 3.8 and later versions, the importlib.metadata module provides a standardized and more efficient way to access and interact with metadata for Python packages and distribution information. This module replaces the older pkg_resources from setuptools and is now part of the Python standard library. In this tutorial, we'll explore how to use importlib.metadata to access package metadata and provide code examples to illustrate its usage.
Ensure you have Python 3.8 or a later version installed on your system. You can check your Python version by running the following command in your terminal:
Metadata in Python packages contains information about the package such as its name, version, author, and other details. This information is typically stored in a package's pyproject.toml or setup.cfg file. The importlib.metadata module allows you to access this metadata programmatically.
Here are the steps to use importlib.metadata to access package metadata:
Import the importlib.metadata module:
You can import the importlib.metadata module at the beginning of your Python script or in an interactive Python session.
Access metadata for a specific package:
You can use the metadata function to access metadata for a specific package by providing its name. For example, to access metadata for the requests package:
Retrieve specific metadata fields:
You can retrieve specific metadata fields, such as name, version, author, or any other field defined in the package's metadata. For example, to get the version of the requests package:
