In most cases, a Django project will be deployed within a virtual environment. Once you locate the virtual environment for the project, you can activate it by jumping to that directory and running the activated script for your OS.
For Linux, the command is as follows:
$ source venv_path/bin/activate
Once the virtual environment is active, start a Python shell and query the Django Version, as shown:
$ python >>> import django >>> print(django.get_version()) 1.5.9
The Django Version used in this case is Version 1.5.9.
Alternatively, you can run the manage.py script in the project to get a similar output:
$ python manage.py --version 1.5.9
However, this option will not be available if the legacy project ...