[IPython-dev] Execution semantics and how to set them
Zakariyya Mughal
zaki.mughal at gmail.com
Sun Jan 25 13:26:42 EST 2015
Hello,
I'm a language kernel author and I'm looking at the execution semantics
document[^1] where I see a reference to the "single" execution mode.
It says that the code
for i in range(10):
i**2
running in "single" mode would display 10 lines.
I looked through the IPython source and I see that the execution
semantics are set as an argument for `run_ast_nodes`[^2], but I see no
way that the given for-loop would give multiple outputs unless the
`interactivity` parameter is set to `last` or `all`.
Is there a way to activate this execution mode through a front-end and
pass that information to the back-end using the messaging protocol?
Or should I just implement the logic at the end of the document ("The
code field is split into individual blocks...") in my language back-end?
Cheers,
- Zaki Mughal
[^1]: Execution semantics spec <http://ipython.org/ipython-doc/dev/development/execution.html#execution-semantics>
[^2]: run_ast_nodes() <https://github.com/ipython/ipython/blob/d0fbe137/IPython/core/interactiveshell.py#L2919>
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