Windows-specific Python Packages and Preview

[Yu Jin]

Am So., 12. März 2023 um 21:27 Uhr schrieb Richard Kimberly Heck:

> On 3/12/23 09:06, Yu Jin wrote:
>
> Am So., 12. März 2023 um 01:43 Uhr schrieb Richard Kimberly Heck:
>
>> On 3/11/23 03:22, Yu Jin wrote:
>>
>> Am Sa., 11. März 2023 um 08:31 Uhr schrieb Yu Jin:
>>
>>> Am Sa., 11. März 2023 um 07:09 Uhr schrieb Richard Kimberly Heck:
>>>
>>>> On 3/10/23 17:04, Jean-Marc Lasgouttes wrote:
>>>> > Le 10/03/2023 à 22:21, Yu Jin a écrit :
>>>> >> all the win* imports from lyxpreview_tools.py fail, but those are in
>>>> >> a try-except block
>>>> >
>>>> > What do we gain when they ar present? It might be important enough to
>>>> > warrant having those modules.
>>>>
>>>>      try:
>>>>          import pywintypes
>>>>          import win32con
>>>>          import win32event
>>>>          import win32file
>>>>          import win32pipe
>>>>          import win32process
>>>>          import win32security
>>>>          import winerror
>>>>      except:
>>>>          sys.stderr.write("Consider installing the PyWin extension
>>>> modules " \
>>>>                           "if you're irritated by windows appearing
>>>> briefly.\n")
>>>>
>>> Just checked, those imports also fail in the Python2 package which I've
>>> used so far.
>>>
>>
>> I have found a way of installing pywin32 into the embeddable package, it
>> is considered a hack on the web, because the embedded python is not meant
>> to be enhanced with more packages, but it works. With the pywin32 package
>> installed using that hack the imports work. But there are 2 things
>> resulting from the "hack":
>> 1. there is a bit of manual work to do when updating the python, I can
>> document it though, so not a big deal.
>>
>> That part seems fine.
>>
>>
>> 2. The python package gets significantly larger (50MB vs 18MB unzipped)
>> and also the LyX installer itself when finished (65MB vs. 55MB).
>>
>> Not a big deal either.
>>
>>
>> So what would you say? Is pywin32 needed or do I skip it?
>>
>> Did you see my message about what this is supposed to do? Suppress
>> certain windows (terminals, I guess) from appearing when we're doing
>> certain things? If so, perhaps it would be worth seeing just how annoying
>> those windows are. If the answer is "not very", then maybe it isn't worth
>> the trouble.
>>
> Yeah I could test that as well, I just don't know what those "certain
> things" are, what should I do for testing?
>
> It would presumably involve the scripts where these modules are called. It
> looks like it involves preview, possibly of images and PDFs, maybe of math
> too?
>
There is an example "Instant_Preview.lyx", I opened it, preview worked and
I did not see any windows appearing...
Also tried some previews in empty documents, like a pdf file and some basic
math, but no windows...
-- 
  Eugene
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