How do I get a python module's version number through code?

Question

I’m trying to get the version number of a specific few modules that I use. Something that I can store in a variable.

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Answer 1

I think it depends on the module. For example, Django has a VERSION variable that you can get from django.VERSION, sqlalchemy has a __version__ variable that you can get from sqlalchemy.__version__.

Answered By: Matthew J Morrison

Answer 2

Generalized answer from Matt’s, do a dir(YOURMODULE) and look for __version__, VERSION, or version. Most modules like __version__ but I think numpy uses version.version

Answered By: Nick T

Answer 3

Use pkg_resources(part of setuptools). Anything installed from PyPI at least has a version number. No extra package/module is needed.

>>> import pkg_resources
>>> pkg_resources.get_distribution("simplegist").version
'0.3.2'

Answered By: softvar

Answer 4

Some modules (e.g. azure) do not provide a __version__ string.

If the package was installed with pip, the following should work.

# say we want to look for the version of the "azure" module
import pip
for m in pip.get_installed_distributions():
    if m.project_name == 'azure':
        print(m.version)

Answered By: phzx_munki

Answer 5

Starting Python 3.8, importlib.metadata can be used as a replacement for pkg_resources to extract the version of third-party packages installed via tools such as pip:

from importlib.metadata import version
version('wheel')
# '0.33.4'

Answered By: Xavier Guihot

Answer 6

 import sys
 import matplotlib as plt
 import pandas as pd
 import sklearn as skl
 import seaborn as sns

 print(sys.version)
 print(plt.__version__)
 print(pd.__version__)
 print(skl.__version__)
 print(sns.__version__)

The above code shows versions of respective modules:
Sample O/P:

3.7.1rc1 (v3.7.1rc1:2064bcf6ce, Sep 26 2018, 14:21:39) [MSC v.1914 32 bit (Intel)]
3.1.0
0.24.2
0.21.2
0.9.0
(sys shows version of python )

Answered By: aastha

How do I get a python module's version number through code?

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