[QGIS-Developer] Pip install not working within QGIS with OSGeo4W v2?

[tijan49 at yahoo.fr]

Hi Axel,

I tried with the "xlxswriter" module :

    - in QGIS 3.16.15  => same error as you ;
    - in QGIS 3.18.3 => success

Therefore it seems to be a bug in QGIS 3.16 ...

Have a nice day ...
Jean


Le 12/01/2022 à 23:09, Axel Hörteborn a écrit :
> Hi dev team,
>
> I might have missed something but I can't get "pip install" to work 
> within QGIS I've tried a few different options on a couple of 
> different windows computers.
>
> I use matplotlib, psycopg2 and reportlab within my plugin and I have 
> some simple code that installs the packages for the users:
> |import sys import platform import subprocess try: import matplotlib 
> except ModuleNotFoundError: print('installing matplotlib') if 
> platform.system() == 'Windows': subprocess.call([sys.exec_prefix + 
> '/python', "-m", 'pip', 'install', 'matplotlib']) else: 
> subprocess.call(['python3', '-m', 'pip', 'install', 'matplotlib'])|
> But I get:
>
> WARNING: pip is configured with locations that require TLS/SSL, 
> however the ssl module in Python is not available.
>
> WARNING: Retrying (Retry(total=4, connect=None, read=None, 
> redirect=None, status=None)) after connection broken by 
> 'SSLError("Can't connect to HTTPS URL because the SSL module is not 
> available.")': /simple/matplotlib/
>
>
> I can install the packages from the OSGeo4W shell (after removing the 
> path to a local pip server) but it would be nice if they could be 
> installed automatic for the users (which works fine with QGIS 
> installed by OSGeo4W v1..).
>
> Have I missed some change or is this a bug? (can someone else confirm it?)
>
> Best regards
> Axel Hörteborn
> Maintainer of GeoDataFarm
>
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