On Wed, 12 Dec 2018 at 20:44, Nils Bruin <nbr...@sfu.ca> wrote:
> I would expect magic commands to work a little differently in the jupyter
> gui than on the command line, so the possibility for an error doesn't
> surprise me too much. It can probably be fixed. However, a straight-up
> "attach('<file here>')" would hopefully work? It still needs to hook into
> the REPL to actually check for a changed file and do the reloading, but
> that has a better chance of being the same between the IPython CLI shell
> and the Jupyter notebook.
>
Thanks for the suggestion, Nils. However
attach('testcong.py')
also gives
UsageError: Invalid GUI request 'sage', valid ones are:['osx',
'widget', 'qt5', None, 'qt', 'nbagg', 'gtk', 'qt4', 'gtk3',
'notebook', 'tk', 'ipympl', 'inline', 'asyncio', 'wx']
Looking at the docstring attach? shows
Note: Attaching files uses the Python inputhook, which will
conflict with other inputhook users. This generally includes GUI
main loop integrations, for example tkinter. So you can only use
tkinter or attach, but not both at the same time.
which presumably means something to somebody, though not me.
I have a file testcong.py which contains various functions I am developing,
>> while testing them in a jupyter notebook. The first cell in the notebook
>> has the "magic" line "%run testcong.py" and so whenever I make a change to
>> the .py file I have to re-click on that cell. This gets tedious,
>> especially when the testing notebook has may cells in it since I am forever
>> scrolling up and down.
>>
>> There has to be a better way. From the command line one can use attach
>> instead of runfile (which automatically rereads the file when it changes)
>> but I cannot get that to work, even though there is a magic %attach command:
>>
>> %attach testcong.py
>>
>> fails with a weird error message which is incomprehensible to me:
>>
>> "UsageError: Invalid GUI request 'sage', valid ones are:['osx', 'widget',
>> 'qt5', None, 'qt', 'nbagg', 'gtk', 'qt4', 'gtk3', 'notebook', 'tk',
>> 'ipympl', 'inline', 'asyncio', 'wx']"
>>
>> while
>>
>> %attach "testcong.py"
>>
>> (with quotes) is better, it just cannot find the file (which is in the
>> current directory, i.e. the one I started the notebook from). But giving
>> the full pathname
>>
>> %attach "/home/jec/congruences/testcong.py"
>>
>> also gives "IOError: did not find file
>> '/home/jec/congruences/testcong.py"' to load or attach"
>>
>> What am I doing wrong? I did try looking for documentation but failed...
>>
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