Re: Cannot run Leo using pythonw, but I can using python

['tfer' via leo-editor]

opps, "server" *or* it's embedding app...

On Monday, August 14, 2017 at 10:23:31 AM UTC-4, tfer wrote:
>
> Neovim uses Msgpack-rpc that can use different channels to communicate 
> with a "server" on it's embedding app, the lowest channel is via 
> stout/sterr, so the option to leave those clear might be useful to handing 
> the editing of body text to Neovim.
>
> Tom
>
> On Friday, August 11, 2017 at 5:52:25 AM UTC-4, Edward K. Ream wrote:
>>
>> On Thu, Aug 10, 2017 at 6:42 PM, xgid  wrote:
>>
>> Is there an easy way to get Console output logs when using pythonw?
>>>
>>
>> ​I suspect that pythonw is doing something with sys.stdout/stderr.  That 
>> might be causing Leo to crash (softly) during startup.
>>
>> Perhaps Leo should have a new command-line option that would send all log 
>> output to a file.
>>
>> Another idea would be for Leo to be more careful about catching 
>> exceptions during startup.
>>
>> Please file a bug report about this.  With these two new ideas I may be 
>> able to fix it.
>>
>> Edward
>>
>

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Re: Cannot run Leo using pythonw, but I can using python

['tfer' via leo-editor]

Neovim uses Msgpack-rpc that can use different channels to communicate with 
a "server" on it's embedding app, the lowest channel is via stout/sterr, so 
the option to leave those clear might be useful to handing the editing of 
body text to Neovim.

Tom

On Friday, August 11, 2017 at 5:52:25 AM UTC-4, Edward K. Ream wrote:
>
> On Thu, Aug 10, 2017 at 6:42 PM, xgid > 
> wrote:
>
> Is there an easy way to get Console output logs when using pythonw?
>>
>
> ​I suspect that pythonw is doing something with sys.stdout/stderr.  That 
> might be causing Leo to crash (softly) during startup.
>
> Perhaps Leo should have a new command-line option that would send all log 
> output to a file.
>
> Another idea would be for Leo to be more careful about catching exceptions 
> during startup.
>
> Please file a bug report about this.  With these two new ideas I may be 
> able to fix it.
>
> Edward
>

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Re: Cannot run Leo using pythonw, but I can using python

[xgid]

> Please file a bug report about this.  With these two new ideas I may be 
> able to fix it.
>

Done:  Editor does not open when using pythonw #541 


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Re: Cannot run Leo using pythonw, but I can using python

[Edward K. Ream]

On Thu, Aug 10, 2017 at 6:42 PM, xgid  wrote:

Is there an easy way to get Console output logs when using pythonw?
>

​I suspect that pythonw is doing something with sys.stdout/stderr.  That
might be causing Leo to crash (softly) during startup.

Perhaps Leo should have a new command-line option that would send all log
output to a file.

Another idea would be for Leo to be more careful about catching exceptions
during startup.

Please file a bug report about this.  With these two new ideas I may be
able to fix it.

Edward

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Re: Cannot run Leo using pythonw, but I can using python

[xgid]

> ​I see exactly the behaviour you describe.  In particular, ​the following 
> works from a Windows console:
>

Glad to see that I'm not the only one with this kind of weird problems with 
pythonw. If you remember, I had already previously seen differences in the 
way Leo was printing messages to the Log pane when used with pythonw in 
respect to using python. So there seems to be something hidden there... 
quite difficult to detect!

For the record, in this case I have removed ALL my python installations and 
reinstalled a fresh new Anaconda 4.4.0 installation (Python 3.6.1) from 
scratch, but the problem persists.

Is there an easy way to get Console output logs when using pythonw? I would 
like to compare the logs between using pythonw and using python to see 
where does exactly the former exit.

Xavier

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Re: Cannot run Leo using pythonw, but I can using python

[Edward K. Ream]

On Fri, Aug 4, 2017 at 6:53 PM, xgid  wrote:

> Oh, it maybe an important detail: with pythonw the Leo icon splash screen *is
> shown for a second or less*, and then it closes and nothing more appears.
>

​I see exactly the behaviour you describe.  In particular, ​the following
works from a Windows console:

c:\Anaconda2\pythonw.exe launchLeo.py

The following briefly shows the the splash screen, and then exits *quickly*
without a message:

c:\Anaconda3\pythonw.exe launchLeo.py

Presumably, this is executing:

Leo 5.5, build 20170810044742, Thu Aug 10 04:47:42 CDT 2017
Git repo info: branch = master, commit = 87480fe2f5cf
Python 3.5.2, PyQt version 5.6.2
Windows 10 AMD64 (build 10.0.15063) SP0

So this looks like a problem with pythonw itself, not with aliases, etc.

Googling pythonw.exe problems does not show anything that immediately seems
helpful. There are discussions about "pythonw has stopped working", but
that would exit much more slowly. It's a mystery.

Edward

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Re: Cannot run Leo using pythonw, but I can using python

[xgid]

Oh, it maybe an important detail: with pythonw the Leo icon splash screen *is 
shown for a second or less*, and then it closes and nothing more appears.

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Cannot run Leo using pythonw, but I can using python

[xgid]

Ups! Now that I've just updated to the last commit at GitHub (ca18e51063a9) 
to fix the issues with the leoBridge (which is working great!), I've found 
that my usual command line to open Leo is not working any more:

pythonw.exe "C:\dev\Leo-5.4\launchLeo.py" --session-save --session-restore

But if I change it to this one:
python.exe "C:\dev\Leo-5.4\launchLeo.py" --session-save --session-restore

It works!

My current configuration is this one (shown when run with python.exe, of 
course):
Leo Log Window
Leo 5.5, build 20170804155810, Fri Aug  4 15:58:10 CDT 2017
Git repo info: branch = master, commit = ca18e51063a9
Python 3.6.1, PyQt version 5.6.2
Windows 10 AMD64 (build 10.0.15063) SP0
isPython3: True
caching enabled

The problem is that when using "pythonw.exe" I see no logs at all. Is there 
a way to enable them?

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