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I am running an Ubuntu 8.10, using Python 2.5 out of the box. This is fine from the system point of view, but I need Python2.4 since I dev on Zope / Plone.
Well, installing python2.4 is no challenge, but I can't find a (clean) way to make iPython use it : no option in the man nor in the config file.
Before, there was a ipython2.4 package but it is deprecated.
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To check the Python version in your Jupyter notebook, first import the python_version function with “ from platform import python_version “. Then call the function python_version() that returns a string with the version number running in your Jupyter notebook such as "3.7. 11" .
To install a specific version of a Python package you can use pip: pip install YourPackage==YourVersion . For example, if you want to install an older version of Pandas you can do as follows: pip install pandas==1.1.
IPython supports Python 2.7 and 3.3 or newer.
Ok, I answer my own question : I'm dumb :-)
ls /usr/bin/ipython*
/usr/bin/ipython /usr/bin/ipython2.4 /usr/bin/ipython2.5
Now it's built-in...
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I'm using Ubuntu 10.10 and there's only on ipython installed. (There's also only one python available, but I got an older version with the deadsnakes ppa.)
To get ipython2.5, I installed ipython from your virtualenv:
virtualenv --python=/usr/bin/python2.5 project_name
source project_name/bin/activate
pip install ipython
Then the ipython version should match the python passed into virtualenv with --python.
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