Hi Stefan,
thank you very much for the effort and the patience in answering!
I'll definitely give this a try. I already have so many issues on my
computer, one more doesn't matter;)
thanks again and best regards,
Robin
Citando Stefan Blumentrath <[email protected]>:
Hi Robin,
You could try setting the GRASS_PYTHON environment variable to your
Python installation with fmask.
import os
os.environ['GRASS_PYTHON'] = '/YOUR/PYTHON/PATH'
As Markus indicates that can cause other issues.
You may also have a look at https://github.com/zarch/grass-session
for inspiration.
Hope that gives you at least a lead...
Cheers
Stefan
-----Original Message-----
From: grass-user <[email protected]> On Behalf Of
Robin Kohrs
Sent: tirsdag 31. mars 2020 09:25
To: Markus Neteler <[email protected]>
Cc: GRASS user list <[email protected]>
Subject: Re: [GRASS-user] Install package for add-on in /usr/bin/python3
Hi Markus,
thank you very much for your answer and the help!
Do you have any idea what I could do to make the fmask-package
"locatable" for the python-interpreter that grass is using?
I tried the following options, but I guess I just don't know
sufficiently about how python and grass really work together:
My python-script looks more or less like this:
---------------------------------------
#!/usr/bin/env python3
import sys
print("SYS PATH")
print(sys.path)
print("")
print("SYS EXECUTABLE")
print(sys.executable)
import grass.script as grass
from rios import fileinfo # that's where it fails from fmask import fmask
---------------------------------------
That's why I tried until now:
- I created an environment with conda and installed python-fmask via
"conda install -c conda-forge python-fmask". The function
"fmask_sentinel2Stacked.py" lies in
"/home/robin/miniconda3/bin/fmask_sentinel2Stacked.py".
- When I open an interactive python-shell and import fmask and rios
and the type: "fmask.__file__" it gives me
"/home/robin/miniconda3/envs/fmask/lib/python3.7/site-packages/fmask/__init__.py"
- I then added
"/home/robin/miniconda3/envs/fmask/lib/python3.7/site-packages/" to
the variable PYTHONPATH in my .bashrc
- When I now start the interpreter that grass uses from the command
line by typing "/usr/bin/pyton3" I can import fmask and rios
- However when I run the script with grass it always says that there
is no package names rios. Moreover the path I added to PYTHONPATH is
not printed when it executes "sys.path" in my grass script
I'm sorry for this little confusing question. But in case someone
has any idea how I could make grass find fmask, would be super highly
appreciated:)
thanks a lot in advance! Cheers
Robin
Citando Markus Neteler <[email protected]>:
Hi Robin,
On Sat, Mar 21, 2020 at 6:15 PM Robin Kohrs <[email protected]> wrote:
Hi everyone:)
I'm really sorry for this naive question. I'm kind of starting with
GRASS and I just can't find a solution...
The issue is, that I would like to try to write a little GRASS Add-on
and use the python-fmask package. While this package is only
downloadable via conda it always installs into
`/home/user/miniconda3/bin/python3`. Even when I did `conda
deactivate` prior to this.
I guess that mixing conda packages and "regular" ones is causing troubles.
When I then have the import statement `import fask` in the
grass-script it always throws an error, saying that fmask is not
installed. When I print the `sys.executable` in the grass-script it
tells me that the interpreter is in `usr/bin/python3`. So I thought
that I'd install the fmask-package in a way that this interpreter can
find it while executing the script. But I just don't know how. I can
add the fmask-path to sys.path, but I don't think this is the
solution. Maybe someone has a pointer what I'm not getting.
There is also the environment variable PYTHONPATH which could be set
in the session.
But again, mixing might cause problems.
Now I wanted to check
http://pythonfmask.org/en/latest/#downloads
but the server is down...
Hope everyone is good these days:)!
Good luck everyone,
Markus
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