How to disable jupyter notebook history

Question

I'm using Jupyter Notebook to code in Python 2. I'm invoking it as:

c:\python27\scripts\jupyter-notebook --no-browser

At the same time I use IPython console, launched with:

c:\python27\scripts\ipython

The problem I have is that Jupyter history is saved and is mixed with IPython history. I don't want Jupyter Notebook history at all - is there a way to disable it, while retaining IPython** history?

Platform: win32

Update:

I have tried to use suggested setting digest approach. But when I enter "c.Session.digest_history_size = 0" to the config, restart notebook, write "print 'next test'" in some cell, restart separate IPython and after pressing up the first thing I get is "print 'next test'".

How can I get rid of it?

Answer 1

See this Jupyter issue on Github for the origin of this solution.

In the Introduction to IPython Configuration using configuration scripts located in your home directory at ~/.ipython/profile_default/ is discussed. This is the relevant directory for the default profile, other similar directories appear if one creates other profiles.

Inside that directory one can include the file ipython_config.py which will run on every usages of IPython. However, the file ipython_kernel_config.py will run upon invocation of an IPython kernel, not when invoking the IPython interpreter itself. One can test this by doing ipython kernel --debug.

Jupyter notebooks use this style of kernel invocation. Therefore including a script ipython_kernel_config.py in the directory ~/.ipython/profile_default/ (assuming the default profile) with the following lines:

# Configuration file for ipython-kernel.

c = get_config()

c.HistoryManager.enabled = False

Should disable the history manager completely when using that style of kernel invocation. Therefore one should not populate command history from Jupyter calls.

Incidentally, the file history.sqlite in that same directory is the command history. So, deleting it or moving it to a different filename will clear the command history buffer.