It's dead easy to run code in an external process, so that Leo doesn't
hang. Just use g.execute_shell_commands.
For example, I can test Qt Quick code without hanging Leo like this:
g.execute_shell_commands('qmlscene /test/qml_test.qml')
The "work flow" is as follows:
1. Define "@file /test/qml_test.py" containing the code to be tested. You
can use @others and section references as always, but you must define c, g
and p yourself.
2. Define @button qml-test containing just the call to
g.execute_shell_commands given above.
3. The @button node defines a new command, "qml-test". After running the
command from the minibuffer, you can re-run the test using Ctrl-P,
repeat-complex-command.
Similarly, *Leo can run code in any language*. Just do something like this:
g.execute_shell_commands([
'<path to>compiler <path to>program',
'<command to run> <resulting program>',
])
Edward
P. S. g.execute_shell_commands_with_options provides more flexibility: it
inits the environment and then calls g.execute_shell_commands. See the
source code in leoGlobals.py for details. For the ultimate in flexibility,
use subprocess.popen.
EKR
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