Maybe there could be an option to isympy to do something like this. Give a
file t.py like
# t.py
1 + 1
2 + 2
I can do this:
$ isympy -q < t.py
In [1]: Out[1]: 2
In [2]: Out[2]: 4
In [3]: Do you really want to exit ([y]/n)?
Exiting ...
That almost works but it doesn't show the input.
You can make a simple Python script to do this e.g.:
# run.py
from sympy import *
import sys
filename, = sys.argv[1:]
with open(filename) as inputfile:
for n, line in enumerate(map(str.strip, inputfile)):
print('(i%d): %s' % (n, line))
print('(o%d): %s' % (n, eval(line)))
With that you have:
$ python run.py t.py
(i0): 1 + 1
(o0): 2
(i1): 2 + 2
(o1): 4
--
Oscar
On Tuesday, 25 August 2020 at 01:53:06 UTC+1 [email protected] wrote:
> You can put code in a .py file and use %run in IPython or the notebook
> to run it. Or in pure Python you can add it to a function, import the
> file, and run the function (using a function for this case is
> recommended because while Python's 'import' will run the code in the
> body of the file, it will only import a module once and cache it after
> that).
>
> Aaron Meurer
>
> On Mon, Aug 24, 2020 at 6:36 PM [email protected]
> <[email protected]> wrote:
> >
> > Maxima and Maple can batch-execute a text file of commands, showing
> input interspersed with output:
> >
> > $ maxima -b t.mac
> > Maxima 5.44.0 http://maxima.sourceforge.net
> > using Lisp CLISP 2.49+ (2010-07-17)
> > Distributed under the GNU Public License. See the file COPYING.
> > Dedicated to the memory of William Schelter.
> > The function bug_report() provides bug reporting information.
> > (%i1) batch("t.mac")
> >
> > read and interpret /t.mac
> > (%i2) 1+2
> > (%o2) 3
> > (%i3) 2+3
> > (%o3) 5
> > (%o4) /t.mac
> >
> > $
> >
> > This is often my preferred method of interacting. Mathematica can't.
> Sympy can't as far as I know because Python doesn't work like that in batch
> mode from the command line, as far as I know. For Sympy, to get the effect
> I want, I have to enter the input lines as individual cells in a Jupyter
> notebook. If I then need to copy paste the cells to another notebook, I
> can't, because JupyterLab lacks that functionality.
> >
> > --
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> .
>
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