Re: LeoInteg using Leo's Null GUI ?

[Edward K. Ream]

On Sun, Jan 28, 2024 at 11:05 AM Viktor Ransmayr 
wrote:

> It is time for me to start reading the 'pip' documentation in detail !

Thanks for your efforts!  #3767
 has some links you
might find interesting.

Edward

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Re: LeoInteg using Leo's Null GUI ?

[Viktor Ransmayr]

Hello Edward,

Edward K. Ream schrieb am Mittwoch, 24. Januar 2024 um 08:26:44 UTC+1:

On Wed, Jan 24, 2024 at 12:06 AM Viktor Ransmayr wrote:

Viktor, as an experiment, you could try the following:


- git clone leo, that is: git clone 
https://github.com/leo-editor/leo-editor.git

- Create your own version of requirements.txt that omits anything related 
to guis.

- Install the dependencies: pip install -r requirements.txt.


I'll spend some time on the weekend & will report back my results.


 So far I tried out several variations of your proposal - but - did not 
have any success:

* Variation #1: use requirements.txt w/o an '--editable .' entry
* Variation #2: use requirements.txt with '--editable .' as last entry
* Variation #3: use requirements.txt with 'leo == 6.7.7' as last entry

Either the 'leo' package was not included in the install at all - or - the 
'leo' package was added with its 'PyQt' dependencies ...

It is time for me to start reading the 'pip' documentation in detail !

With kind regards,

Viktor

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Re: LeoInteg using Leo's Null GUI ?

[Viktor Ransmayr]

Hello Edward,

Edward K. Ream schrieb am Mittwoch, 24. Januar 2024 um 08:26:44 UTC+1:

On Wed, Jan 24, 2024 at 12:06 AM Viktor Ransmayr wrote:

Viktor, as an experiment, you could try the following:


- git clone leo, that is: git clone 
https://github.com/leo-editor/leo-editor.git

- Create your own version of requirements.txt that omits anything related 
to guis.

- Install the dependencies: pip install -r requirements.txt.


I'll spend some time on the weekend & will report back my results.


 So far I tried out several variouts - but - did not succeed:

* Variation #1: requirements.txt w/o an '--editable .' entry
* Variation #2: requirements.txt with '--editable .' as last entry
* Variation #3: requirements.txt with 'leo == 6.7.7' as last entry

Either 'leo' was not included at all - or - 'leo' was added with its 'PyQt' 
dependencies.

Not that I used 'setup.py' unchanged ...

It looks like its time for me to start reading the 'pip' documentation in 
detail ;-)

With kind regards,

Viktor

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Re: LeoInteg using Leo's Null GUI ?

[Edward K. Ream]

On Wed, Jan 24, 2024 at 12:06 AM Viktor Ransmayr wrote:


> Viktor, as an experiment, you could try the following:
>>
>>
>> - git clone leo, that is: git clone
>> https://github.com/leo-editor/leo-editor.git
>>
>> - Create your own version of requirements.txt that omits anything related
>> to guis.
>>
>> - Install the dependencies: pip install -r requirements.txt.
>>
>
> I'll spend some time on the weekend & will report back my results.
>

Excellent.

Thanks a lot for your detailed feedback !
>

You're welcome. Thanks again for your timely question.

Edward

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Re: LeoInteg using Leo's Null GUI ?

[Edward K. Ream]

On Tue, Jan 23, 2024 at 10:36 PM Robert-Felix wrote:

Hi Viktor, thanks for bringing this up! I've thought about this in the past
> and completely forgot about it!!
>

> I would also like very much users to be able to just need the leo sources,
> without installing any qt libs nor any other UI/graphical libs, to be able
> to run leoInteg or use the bridge / server in general for any other uses,
> if possible.
>
...

> Might be worth taking a look at it.
>

#3767  now suggests
making installing Qt optional. I'll get to this issue in a few days.

Edward

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Re: LeoInteg using Leo's Null GUI ?

[Viktor Ransmayr]

Hello Edward,

Am Mo., 22. Jan. 2024 um 21:49 Uhr schrieb Edward K. Ream <
edream...@gmail.com>:

> > What effort would it be to package a version of Leo providing
> ~everything~ but the GUI?
>
>
> Thanks for this timely question.
>
>
> *tl;dr:* Making things work as I am guessing you would like should be
> straightforward.
>
>
>
>
> *...*
>
> Viktor, as an experiment, you could try the following:
>
>
> - git clone leo, that is: git clone
> https://github.com/leo-editor/leo-editor.git
>
> - Create your own version of requirements.txt that omits anything related
> to guis.
>
> - Install the dependencies: pip install -r requirements.txt.
>

I'll spend some time on the weekend & will report back my results.

Thanks a lot for your detailled feedback !

With kind regards,

Viktor

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Re: LeoInteg using Leo's Null GUI ?

[Robert-Felix]

Hi Viktor, thanks for bringing this up! I've thought about this in the past
and completely forgot about it!!

I would also like very much users to be able to just need the leo sources,
without installing any qt libs nor any other UI/graphical libs, to be able
to run leoInteg or use the bridge / server in general for any other uses,
if possible.

*About leoserver.py: *If I remember correctly, the server should not
require the ui libraries. but merely use them optionally if available if
the user tries to exit with dirty documents. (the ui pops up a window to
ask for save/exit) This should silently fail if no ui library is available
and not give any errors nor hard requirement.

(Credits to Edward for thinking about and coding that popup dialog of this
into the server back in 2020)

Might be worth taking a look at it

Félix



On Mon, Jan 22, 2024 at 5:22 PM Thomas Passin  wrote:

>
> On Monday, January 22, 2024 at 5:09:27 PM UTC-5 Edward K. Ream wrote:
>
> On Mon, Jan 22, 2024 at 3:10 PM Thomas Passin  wrote:
>
>
> Didn't we decide not to support Jupyter notebooks any more? If so,
> nbformat can probably be omitted in the future.
>
>
> Good catch. Hehe, VR3 still has some references to nbformat!
>
>
> I've realized that for some time and I didn't want to put such a minor PR
> in while all those heavy-duty ones were in the mix.   After my current ones
> get merged, I'll fix up the nbformat import for VR3.
>
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> 
> .
>

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Re: LeoInteg using Leo's Null GUI ?

[Thomas Passin]

On Monday, January 22, 2024 at 5:09:27 PM UTC-5 Edward K. Ream wrote:

On Mon, Jan 22, 2024 at 3:10 PM Thomas Passin  wrote:
 

Didn't we decide not to support Jupyter notebooks any more? If so, nbformat 
can probably be omitted in the future.


Good catch. Hehe, VR3 still has some references to nbformat!


I've realized that for some time and I didn't want to put such a minor PR 
in while all those heavy-duty ones were in the mix.   After my current ones 
get merged, I'll fix up the nbformat import for VR3.

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Re: LeoInteg using Leo's Null GUI ?

[Edward K. Ream]

On Mon, Jan 22, 2024 at 3:10 PM Thomas Passin  wrote:


> Didn't we decide not to support Jupyter notebooks any more? If so,
> nbformat can probably be omitted in the future.
>

Good catch. Hehe, VR3 still has some references to nbformat!

Edward

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Re: LeoInteg using Leo's Null GUI ?

[Thomas Passin]

On Monday, January 22, 2024 at 3:49:42 PM UTC-5 Edward K. Ream wrote:


setup.py specifies requirements in the section called << define 
install_requires >>.

This section lists the following dependencies:


install_requires = [

 # Other entries omitted 

  'nbformat', # for Jupyter notebook integration

]

 
Didn't we decide not to support Jupyter notebooks any more? If so, nbformat 
can probably be omitted in the future.

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Re: LeoInteg using Leo's Null GUI ?

[Edward K. Ream]

> What effort would it be to package a version of Leo providing
~everything~ but the GUI?


Thanks for this timely question.


*tl;dr:* Making things work as I am guessing you would like should be
straightforward.


*Background*


leoserver.py creates the link between LeoInteg and Leo using Leo's bridge
in leoBridge.leo.


The bridge uses a null gui, so LeoInteg should "just work" without Qt.


However, running leo --gui=null crashes. The details probably do not affect
the answer to your question.


*Thinking out loud*


Félix, please correct me if I am wrong with the following guesses:


LeoInteg almost certainly starts Leo's server with a null gui.


If I understand your question, the problem is simply installing Leo without
Qt.


My *guess* is LeoInteg should work if you install Leo using Git.

However, pip install requirements.txt may fail if Qt is not available.


setup.py specifies requirements in the section called << define
install_requires >>.

This section lists the following dependencies:


install_requires = [

  'PyQt5 >= 5.15',

  'PyQtWebEngine',

  'build >= 0.6.0', # simple PEP 517 package builder

  'docutils', # used by Sphinx, rST plugin

  'flexx', # for LeoWapp browser gui

  'meta', # for livecode.py plugin, enabled by default

  'nbformat', # for Jupyter notebook integration

  'pylint', 'pyflakes',

  'pyenchant', # The spell tab.

  'pyshortcuts >= 1.7', # desktop integration (#1243)

  'sphinx', # rST plugin

  'tk', # tkinter.


  # For leoAst.py and leoTokens.py.

  'asttokens', # abstract syntax tree text parsing

  'black', # coding syntax standards


  'windows-curses; platform_system=="Windows"', # for console mode on
Windows

]


Viktor, as an experiment, you could try the following:


- git clone leo, that is: git clone
https://github.com/leo-editor/leo-editor.git

- Create your own version of requirements.txt that omits anything related
to guis.

- Install the dependencies: pip install -r requirements.txt.


*Summary*


Leo issue #3767  suggests
using *only* requirements.txt.


requirements.txt should distinguish required from optional dependencies in
requirements.txt.


A timely question indeed.


Edward

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