Re: Leo active file bug and how to get the content of unl

[Edward K. Ream]

On Mon, Jun 26, 2023 at 12:57 PM Thomas Passin  wrote:

Oh ye of little faith. In the PR the call to g.app.selectLeoWindow appears
> in both g.findUNL and g.findGNX. So these calls have already been done when
> g.handleUnl returns.
>
>
> That's not the point. This bit of code returns the focus to the *original*
> node even if the findUNL() call, for a UNL pointing into another outline,
> had  changed the focus to that other outline.  The idea is to retrieve the
> body of the node addressed by the unl without changing the focus.
>

And my point was the PR will break as little as possible.

Edward

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Re: Leo active file bug and how to get the content of unl

[Edward K. Ream]

On Mon, Jun 26, 2023 at 12:56 PM Thomas Passin  wrote:

1.I was probably thinking that g.findUNL (the legacy unl-finding function)
might return a position in another outline. To my knowledge, that has never
been true.

>
> Yes it has.  Here's the docstring from the (unreplaced) g.findUNL:
>
> Find and move to the unl given by the unlList in the commander c.
>Return the found position, or None.
>

The unlList is a list of headlines. Even if the top headline is an @file
node, there is no way for the legacy g.findUNL code to open another
commander. In other words, you are misunderstanding the docstring.

The legacy g.*find*UNL does not work the way you think it does. The legacy
g.*handle*Unl function *could*open other outlines, but only in limited
places. I removed that code because it was too Leo-specific.

Edward

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

On Monday, June 26, 2023 at 1:47:07 PM UTC-4 Edward K. Ream wrote:

On Sun, Jun 25, 2023 at 10:22 AM Thomas Passin  wrote:

> Great!  And if you want to do the same for a UNL in another outline, you 
can add these two lines (at least until that PR gets merged; I don't know 
about after that):

# Add this after the "content ="  line.
if c2 is not c0:
g.app.selectLeoWindow(c0)

Oh ye of little faith. In the PR the call to g.app.selectLeoWindow appears 
in both g.findUNL and g.findGNX. So these calls have already been done when 
g.handleUnl returns.


That's not the point. This bit of code returns the focus to the *original* 
node even if the findUNL() call, for a UNL pointing into another outline, 
had  changed the focus to that other outline.  The idea is to retrieve the 
body of the node addressed by the unl without changing the focus.

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

On Monday, June 26, 2023 at 1:29:24 PM UTC-4 Edward K. Ream wrote:

On Sun, Jun 25, 2023 at 7:51 AM Thomas Passin  wrote:

"Remove support for cross-file UNLs" -  WTF??? This will break some of my 
scripts.  How are we going to navigate to other outlines by UNL?  Wasn't 
that half of the point of having UNLs in the first place?


This conversation is likely out of date:

1.I was probably thinking that g.findUNL (the legacy unl-finding function) 
might return a position in another outline. To my knowledge, that has never 
been true.


Yes it has.  Here's the docstring from the (unreplaced) g.findUNL:
  
Find and move to the unl given by the unlList in the commander c.
   Return the found position, or None.

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Re: Leo active file bug and how to get the content of unl

[Edward K. Ream]

On Sun, Jun 25, 2023 at 10:22 AM Thomas Passin  wrote:

> Great!  And if you want to do the same for a UNL in another outline, you
can add these two lines (at least until that PR gets merged; I don't know
about after that):

# Add this after the "content ="  line.
if c2 is not c0:
g.app.selectLeoWindow(c0)

Oh ye of little faith. In the PR the call to g.app.selectLeoWindow appears
in both g.findUNL and g.findGNX. So these calls have already been done when
g.handleUnl returns.

Edward

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Re: Leo active file bug and how to get the content of unl

[Edward K. Ream]

On Mon, Jun 26, 2023 at 12:32 PM Edward K. Ream  wrote:

> Oops!  In the PR g.handleUNL returns None. I'll restore the legacy
operation immediately.

Done. g.handleUNL returns a commander or None, exactly as in devel.

Edward

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Re: Leo active file bug and how to get the content of unl

[Edward K. Ream]

On Sun, Jun 25, 2023 at 8:05 AM Thomas Passin  wrote:

> Assuming that these commands will continue to work after the PR:

c0, p0 = c, c.p
c2 = g.handleUnl(unl, c)

Oops!  In the PR g.handleUNL returns None. I'll restore the legacy
operation immediately.

Edward

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Re: Leo active file bug and how to get the content of unl

[Edward K. Ream]

On Sun, Jun 25, 2023 at 7:51 AM Thomas Passin  wrote:

> "Remove support for cross-file UNLs" -  WTF??? This will break some of my
> scripts.  How are we going to navigate to other outlines by UNL?  Wasn't
> that half of the point of having UNLs in the first place?


This conversation is likely out of date:

1.I was probably thinking that g.findUNL (the legacy unl-finding function)
might return a position in another outline. To my knowledge, that has never
been true.

2. The PR continues to support *all* legacy unls. As before, g.findUNL
simply ignores the "file part", that is everything before the '#'.

Edward

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Re: Leo active file bug and how to get the content of unl

[HaveF HaveF]

>
> Probably a good place is leo-editor-contrib.
>
Interesting resources! Thanks, and have a nice day :D

-- 
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Sincerely,

HaveF

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

On Sunday, June 25, 2023 at 10:20:28 AM UTC-4 iamap...@gmail.com wrote:


c0, p0 = c, c.p
c2 = g.handleUnl(unl, c)
content = c2.p.b  # < here is the content of the UNL's body
c0.selectPosition(p)

Oops, typo!  The last line should read
 
c0.selectPosition(p0)

Hi, Thomas,
It works, thank you!


Great!  And if you want to do the same for a UNL in another outline, you 
can add these two lines (at least until that PR gets merged; I don't know 
about after that):

# Add this after the "content ="  line.
if c2 is not c0:
g.app.selectLeoWindow(c0)
 

It's a useful snippet, we should write it down. But where should we save 
it? Do you know the right place?
https://github.com/leo-editor/snippets seems like a good place, but it 
doesn't update for a long time.


It needs a check to handle the case c2 is None, which would happen if Leo 
can't find the UNL.

Probably a good place is leo-editor-contrib.  Though it can be hard to find 
things in there.  @Edward has been accepting pull requests there.
 

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Re: Leo active file bug and how to get the content of unl

[HaveF HaveF]

>
> c0, p0 = c, c.p
> c2 = g.handleUnl(unl, c)
> content = c2.p.b  # < here is the content of the UNL's body
> c0.selectPosition(p)
>
> Oops, typo!  The last line should read
>
> c0.selectPosition(p0)
>
Hi, Thomas,
It works, thank you!

It's a useful snippet, we should write it down. But where should we save
it? Do you know the right place?
https://github.com/leo-editor/snippets seems like a good place, but it
doesn't update for a long time.


-- 
--
Sincerely,

HaveF

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

Markdown won't know what to do with a UNL, so you can't expect navigation 
to work in the rendered page.  Also, remember that if an outline's 
organization gets changed - i.e., you move a node - its UNL won't be 
correct any more.  So you only want to use UNLs like that when you have 
high confidence the outline will be stable.  (Few of my outlines are that 
stable).

On Sunday, June 25, 2023 at 9:10:30 AM UTC-4 iamap...@gmail.com wrote:

> Thanks Thomas, I'll try it later
>
> Another thought: is it a good idea to take UNL as a system level schema?
> I can record somewhere like markdown `[something](unl://xxx)` or even 
> pass parameter to that schema if the unl is a script...  
> `unl://x?para1=leo`
>
> On Sun, Jun 25, 2023 at 9:07 PM Thomas Passin  wrote:
>
>> On Sunday, June 25, 2023 at 9:05:20 AM UTC-4 Thomas Passin wrote:
>>
>> On Sunday, June 25, 2023 at 8:43:25 AM UTC-4 iamap...@gmail.com wrote:
>>
>> For now, my UNL points to a position of the current outline. Could we 
>> have a quick way to get it?
>>
>>
>> Assuming that these commands will continue to work after the PR:
>>
>> c0, p0 = c, c.p
>> c2 = g.handleUnl(unl, c)
>> content = c2.p.b  # < here is the content of the UNL's body
>> c0.selectPosition(p)
>>
>> Oops, typo!  The last line should read
>>  
>> c0.selectPosition(p0)
>>
>> -- 
>> You received this message because you are subscribed to a topic in the 
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>> https://groups.google.com/d/topic/leo-editor/_TqPXKhD-rs/unsubscribe.
>> To unsubscribe from this group and all its topics, send an email to 
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>> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/leo-editor/246ebac0-0439-4592-91bd-9f40bebd3e23n%40googlegroups.com
>>  
>> 
>> .
>>
>
>
> -- 
> --
> Sincerely,
>
> HaveF
>

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Re: Leo active file bug and how to get the content of unl

[HaveF HaveF]

Thanks Thomas, I'll try it later

Another thought: is it a good idea to take UNL as a system level schema?
I can record somewhere like markdown `[something](unl://xxx)` or even
pass parameter to that schema if the unl is a script...
`unl://x?para1=leo`

On Sun, Jun 25, 2023 at 9:07 PM Thomas Passin  wrote:

> On Sunday, June 25, 2023 at 9:05:20 AM UTC-4 Thomas Passin wrote:
>
> On Sunday, June 25, 2023 at 8:43:25 AM UTC-4 iamap...@gmail.com wrote:
>
> For now, my UNL points to a position of the current outline. Could we have
> a quick way to get it?
>
>
> Assuming that these commands will continue to work after the PR:
>
> c0, p0 = c, c.p
> c2 = g.handleUnl(unl, c)
> content = c2.p.b  # < here is the content of the UNL's body
> c0.selectPosition(p)
>
> Oops, typo!  The last line should read
>
> c0.selectPosition(p0)
>
> --
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> 
> .
>


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HaveF

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

On Sunday, June 25, 2023 at 9:05:20 AM UTC-4 Thomas Passin wrote:

On Sunday, June 25, 2023 at 8:43:25 AM UTC-4 iamap...@gmail.com wrote:

For now, my UNL points to a position of the current outline. Could we have 
a quick way to get it?


Assuming that these commands will continue to work after the PR:

c0, p0 = c, c.p
c2 = g.handleUnl(unl, c)
content = c2.p.b  # < here is the content of the UNL's body
c0.selectPosition(p)

Oops, typo!  The last line should read
 
c0.selectPosition(p0)

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

On Sunday, June 25, 2023 at 8:43:25 AM UTC-4 iamap...@gmail.com wrote:

For now, my UNL points to a position of the current outline. Could we have 
a quick way to get it?


Assuming that these commands will continue to work after the PR:

c0, p0 = c, c.p
c2 = g.handleUnl(unl, c)
content = c2.p.b  # < here is the content of the UNL's body
c0.selectPosition(p)

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

"Remove support for cross-file UNLs" -  WTF??? This will break some of my 
scripts.  How are we going to navigate to other outlines by UNL?  Wasn't 
that half of the point of having UNLs in the first place?

This looks like a situation where we should be adding a new API method, not 
changing how the old one works.

On Sunday, June 25, 2023 at 8:43:25 AM UTC-4 iamap...@gmail.com wrote:

>
>>
>> Do you mean you want a method or function to return the text of the body 
>> of the node addressed by the UNL? In general, the UNL could point to 
>> another outline.  Will you be looking only in the current outline, or any 
>> outline?  And if the latter, do you care if that other outline gets opened 
>> during execution of the function?
>>
> For now, my UNL points to a position of the current outline. Could we have 
> a quick way to get it?
>
>
> Looking forward to hearing  PR #3215 
> . it seems a huge PR
>
> --
> Sincerely,
>
> HaveF
>

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Re: Leo active file bug and how to get the content of unl

[HaveF HaveF]

>
>
>
> Do you mean you want a method or function to return the text of the body
> of the node addressed by the UNL? In general, the UNL could point to
> another outline.  Will you be looking only in the current outline, or any
> outline?  And if the latter, do you care if that other outline gets opened
> during execution of the function?
>
For now, my UNL points to a position of the current outline. Could we have
a quick way to get it?


Looking forward to hearing  PR #3215
. it seems a huge PR

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HaveF

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Re: Leo active file bug and how to get the content of unl

[Edward K. Ream]

On Sun, Jun 25, 2023 at 7:22 AM Thomas Passin  wrote:

>
> On Sunday, June 25, 2023 at 7:59:09 AM UTC-4 iamap...@gmail.com wrote:
>
>
>
> Would you explain more fully what you mean by "access the content of..."?
> One way is to CTRL-click on the UNL's string in a body node.  This will
> navigate you to that location, opening the outline if necessary.  It should
> also be easy enough to write a new command that navigates to a UNL that is
> in the clipboard. It just depends on what you mean ...
>
> Hi, Thomas,
>
> Thanks for your reply.
> I want to get the content of UNL by script, like `p.b` to get the body
> content in the current node.
>
>
>

> Do you mean you want a method or function to return the text of the body
> of the node addressed by the UNL? In general, the UNL could point to
> another outline.
>

Not after PR #3215  :-)
I'll be discussing this PR soon.

Edward

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

On Sunday, June 25, 2023 at 7:59:09 AM UTC-4 iamap...@gmail.com wrote:



Would you explain more fully what you mean by "access the content of..."?  
One way is to CTRL-click on the UNL's string in a body node.  This will 
navigate you to that location, opening the outline if necessary.  It should 
also be easy enough to write a new command that navigates to a UNL that is 
in the clipboard. It just depends on what you mean ...

Hi, Thomas, 

Thanks for your reply. 
I want to get the content of UNL by script, like `p.b` to get the body 
content in the current node.


Do you mean you want a method or function to return the text of the body of 
the node addressed by the UNL? In general, the UNL could point to another 
outline.  Will you be looking only in the current outline, or any outline?  
And if the latter, do you care if that other outline gets opened during 
execution of the function?

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Re: Leo active file bug and how to get the content of unl

[HaveF HaveF]

>
>
>
> Would you explain more fully what you mean by "access the content of..."?
> One way is to CTRL-click on the UNL's string in a body node.  This will
> navigate you to that location, opening the outline if necessary.  It should
> also be easy enough to write a new command that navigates to a UNL that is
> in the clipboard. It just depends on what you mean ...
>
> Hi, Thomas,

Thanks for your reply.
I want to get the content of UNL by script, like `p.b` to get the body
content in the current node.


-- 
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Sincerely,

HaveF

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

On Sunday, June 25, 2023 at 3:27:38 AM UTC-4 iamap...@gmail.com wrote:

[snip]


2. Is there a simple method to access the content of a specific `unl://` 
node? I found `core/LeoPyRef.leo#Code-->Core classes-->@file 
leoGlobals.py-->g.Urls & UNLs`, but it doesn't seem to provide the right 
function for my needs. With the help of gpt, I can't get the answer. But it 
is interesting 
...maybe we 
need a `getAtNodeFromUNL` function XD


That ChatGPT transcript is entertaining.  It's like a student who has not 
digested its lesson but has to say something in class.  The existing method 
that's most likely to be useful is actually *g.handleUnl()*.  This will 
navigate to the given UNL, opening its outline if needed.

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Re: Leo active file bug and how to get the content of unl

[Thomas Passin]

On Sunday, June 25, 2023 at 3:27:38 AM UTC-4 iamap...@gmail.com wrote:

[snip]
2. Is there a simple method to access the content of a specific `unl://` 
node? I found `core/LeoPyRef.leo#Code-->Core classes-->@file 
leoGlobals.py-->g.Urls & UNLs`, but it doesn't seem to provide the right 
function for my needs. With the help of gpt, I can't get the answer. But it 
is interesting 
...maybe we 
need a `getAtNodeFromUNL` function XD


Would you explain more fully what you mean by "access the content of..."?  
One way is to CTRL-click on the UNL's string in a body node.  This will 
navigate you to that location, opening the outline if necessary.  It should 
also be easy enough to write a new command that navigates to a UNL that is 
in the clipboard. It just depends on what you mean ...

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Leo active file bug and how to get the content of unl

[HaveF HaveF]

Hi, there,

I am delighted to see that the Leo editor is still under active 
development. The leojs has been a pleasant surprise as well.

After a hiatus of several years, I have returned to using the Leo editor. 
To this day, I have yet to find any software on the market that rivals the 
advanced philosophy embodied by Leo.

Initially, I thought I had forgotten how to use the Leo Editor. However, 
when I found myself in a rush, needing to switch between the Outline and 
main editor window, I instinctively pressed Ctrl-t. I was rather taken 
aback to realize that my muscle memory for Leo was still intact!

I sincerely hope that EKR is well.

I'm currently facing a few issues and hope that someone could provide me 
with some guidance:

1. In version 6.7.3, on MacOS 12, there appears to be an active file bug. I 
have recorded a video to better illustrate the issue. Unfortunately, even 
after updating Leo to version 6.7.4-devel, the bug persists. 
https://www.youtube.com/watch?v=R5L3UShZLsk
2. Is there a simple method to access the content of a specific `unl://` 
node? I found `core/LeoPyRef.leo#Code-->Core classes-->@file 
leoGlobals.py-->g.Urls & UNLs`, but it doesn't seem to provide the right 
function for my needs. With the help of gpt, I can't get the answer. But it 
is interesting 
...maybe we 
need a `getAtNodeFromUNL` function XD

On another note, I've found that pipx  is 
more user-friendly than pip. After installing pipx, I can easily use the 
command `pipx install leo`. If I need to add something to the Leo 
environment, I can simply use `pipx inject leo xxx`.

I strongly recommend incorporating pipx into the documentation as an 
alternative to pip.

Best,
HaveF

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