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<p>Hi,</p>
<p>if you did anything to your PYTHONPATH or other system variables,
revert and restore how it was before.</p>
<p>On Windows QGIS comes with its own Python interpreter,
environment etc etc. If you want to develop QGIS things, you
should use that. If you use a separate Python installation you
will have lots of pain and confusion.</p>
<p>In Pycharm simply set the project interpreter to the
python-qgis.bat or python-qgis-ltr.bat file in your QGIS
installation's "bin" directory (e.g. "C:\Program
Files\QGIS\bin\python-qgis-ltr.bat"). This will magically make
sure everything works.<br>
</p>
<p>The internet is full of ancient, random and poorly compiled batch
scripts which really shouldn't be used anymore.</p>
<p>Cheers, Hannes<br>
</p>
<div class="moz-cite-prefix">Am 09.06.23 um 18:11 schrieb Toussaint
OTTAVI via QGIS-User:<br>
</div>
<blockquote type="cite"
cite="mid:acefcaf6-973b-9304-8793-13e067fa9fc8@bc-109.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<font face="Calibri">Hi,<br>
<br>
I'm new to QGis. I'm trying to install latest version (3.28.7
LTR) on my machine. It does not run. The startup window shows
during a few seconds, then, nothing.<br>
<br>
I tried several older versions. None of them wants to start. The
exception is 3.14, which starts, and works perfectly.<br>
<br>
On my machine, I already have a Python 3 installed (currently,
3.11.1), on absolute path C:\Python, PYTHONPATH system variable
pointing to it, and system path, too. I also have PyCharm
installed. I think this may be the cause of my problem. I
noticed the included interpreter (C:\Program Files\QGIS
3.28.7\bin\python.exe) does not start at all, with Python error
:<br>
File "C:\Python\Lib\io.py", line 54, in <module><br>
ImportError: cannot import name 'text_encoding' from 'io'
(unknown location)<br>
<br>
If I understand well, I'll have to write a customized startup
script, with correct path (not pointing to my c:\python\lib) so
that QGis can start using the included Python interpreter (and
not my system-wide one). But I didn't find how to achieve that.<br>
<br>
Later, I think I'll have to write some QGis Python code. Then,
I'll need to run it in "developer" mode : being able to put the
source code in a git repository, edit the code in PyCharm, and
run it. Any clues are welcome.<br>
<br>
Thank you in advance. Kind regards<br>
</font> <br>
<fieldset class="moz-mime-attachment-header"></fieldset>
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</blockquote>
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Fax: +49 (0)228 / 90 90 38 - 11
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