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How Can I Determine and Check the Running Python Version in My Script?

Patricia Arquette
Patricia ArquetteOriginal
2024-12-11 06:50:10344browse

How Can I Determine and Check the Running Python Version in My Script?

Identifying the Running Python Version in Your Script

The Python interpreter version used to execute a script can be easily determined. Access the necessary information through the sys module.

In the sys module, the sys.version string provides a human-readable representation of the version:

>>> import sys
>>> print(sys.version)  # parentheses necessary in Python 3
2.5.2 (r252:60911, Jul 31 2008, 17:28:52)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu7)]

For further processing, utilize sys.version_info or sys.hexversion:

>>> sys.version_info
(2, 5, 2, 'final', 0)
>>> sys.hexversion
34014192

To ensure a script's execution with a minimum required Python version, add this code:

assert sys.version_info >= (2, 5)

This checks the major and minor versions. You can also include micro and releaselevel information as needed. However, it's typically better to perform a "duck" check to verify the presence of specific features and work around their absence as necessary.

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