It *is* possible to use Leo as a sage notebook (within Ubuntu, not wsl).
Right now, without changing Leo!
Two, no three, Ahas make this possible:
- Leo must run *within *Sage.
- Everything must be installed within Sage.
- Sage prompts are really ipython prompts.
*Installing Leo*
I installed Leo inside Sage:
sage: !pip install leo
The first time I ran Leo I got a familiar message:
sage: !leo
qt.qpa.plugin: From 6.5.0, xcb-cursor0 or libxcb-cursor0 is needed to load
the Qt xcb platform plugin.
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even
though it was found...
But now I knew what to do:
sage: !sudo apt-get install libxcb-cursor0
And now Leo worked!
sage: !leo
setting leoID from os.getenv('USER'): 'edreamleo'
Leo 6.8.1, 6.8.1 branch, build 616c868bbf
2024-07-24 05:19:21 -0500
Python 3.12.3, PyQt version 6.7.3
linux
wrote recent file: /home/edreamleo/.leo/.leoRecentFiles.txt
*Executing Sage scripts within Leo*
Here is a script from the Sage tutorial:
from sage.all import *
x = circle(
(Integer(0),Integer(0)), Integer(1),
rgbcolor=(Integer(1),Integer(1),Integer(0)))
print('x', x)
x.show()
When Leo runs inside sage we can run this script as a Leo script!! The
output (in the Sage console) is:
x Graphics object consisting of 1 graphics primitive
Graphics object consisting of 1 graphics primitive
The graphic doesn't appear automatically, but I expect it will after
configuring Sage's viewer.
*Summary*
Sage runs ipython in a separate environment, so:
- Installing packages outside Sage is *futile*.
- Leonine scripts can import sage *only *when Leo runs from within Sage.
With these insights, Leo becomes a Sage notebook!
All comments and questions are welcome.
Edward
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