On Thursday, November 28, 2019 at 6:22:28 AM UTC, Matt Wilkie wrote:
>
> Prior to now I've only written Leo scripts that operate on things 'out
> there' somewhere. Here's the first Leo script I've written that modifies
> content in Leo. No doubt there's things to be done better/differently,
> important bits are hardcoded, but it actually works and does what I was
> looking for so I'm happy for today. ;-)
>
> -matt
>
> *Put this in an empty node and run with Ctrl-B or [script-button].*
>
> @language python
> ''' Search folder tree for the specified pattern
>
> Windows only at present.
>
> matt wilkie <[email protected] <javascript:>> Nov 2019
> '''
> import os
> import shlex
> import subprocess
>
> # what to search for
> pattern="dist.leo"
> #Todo: make this a parameter or prompt!
>
> g.es_print('='*40)
> g.es_print('Running search-dirs-for-string')
>
> searchdir=os.path.join(g.app.loadDir, '../../*')
>
> command = f'findstr -i -s -p "{pattern}" {searchdir}'
> # windows specific cmd
>
> #g.es_print(shlex.split(command)) # debug
>
> p = subprocess.run(shlex.split(command),
> shell=True,
> stdout=subprocess.PIPE,
> stderr=None)
>
> out = p.stdout
> #err = p.stderr()
> lines = [g.toUnicode(z) for z in g.splitLines(out or [])]
> lines = [os.path.relpath(z, searchdir[:-2]) for z in lines]
> # Remove Leo app dir prefix, less noise
>
> p2 = c.p.insertAfter()
> p2.h = f"Find results: {pattern}"
> p2.b = f"""--- Matches for {pattern} under:
> --- {searchdir}
>
> {''.join(lines)}
> """
> c.selectPosition(p2)
> c.redraw()
> g.es_print('Results in next node')
>
> '''Sources:
>
> Run shell command and capture results:
> LeoPyRef.leo#Found:shlex.split(command)-->g.execGitCommand
>
> Put results into new node and redraw (EKR):
> https://groups.google.com/d/topic/leo-editor/s16fP2pcxqM/discussion
>
> Removing a path prefix (Mitch):
>
> https://stackoverflow.com/questions/8693024/how-to-remove-a-path-prefix-in-python
> '''
>
> Thanks Matt, that looks useful. I will have a go at a Linux version...
J^n
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