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#prefect-community
Title
# prefect-community
a

Andreas Nord

06/27/2022, 3:37 PM
Trying to use DbtShellTask on windows but get the following error:
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[2022-06-27 17:16:15+0200] ERROR - prefect.DbtShellTask | /bin/bash: C:UsersUSERAD~1AppDataLocalTempprefect-6rbqzzlx: No such file or directory
This line in prefect.tasks.shell.py generates a strange path:
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with tempfile.NamedTemporaryFile(prefix="prefect-") as tmp:
Running something simple with ShellTask
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from prefect import Flow
from prefect.tasks.shell import ShellTask

task = ShellTask(log_stderr=True)
with Flow("My Flow") as f:
    # both tasks will be executed in home directory
    contents = task(command='ls')

out = f.run()
gives the same error:
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[2022-06-28 09:55:31+0200] INFO - prefect.FlowRunner | Beginning Flow run for 'My Flow'
[2022-06-28 09:55:31+0200] INFO - prefect.TaskRunner | Task 'ShellTask': Starting task run...
[2022-06-28 09:55:31+0200] ERROR - prefect.ShellTask | Command failed with exit code 127
[2022-06-28 09:55:31+0200] ERROR - prefect.ShellTask | /bin/bash: C:UsersUSERAD~1AppDataLocalTempprefect-_exffnpu: No such file or directory
1
k

Kevin Kho

06/28/2022, 8:00 AM
This looks like bash is not in the Windows path?
a

Andreas Nord

06/28/2022, 8:02 AM
My interpretation is that this file does not exist: C:UsersUSERAD~1AppDataLocalTempprefect-_exffnpu
k

Kevin Kho

06/28/2022, 8:02 AM
Oh not even, the path out of your TemporaryFile looks weird
I guess you could use the
os.subprocess
call inside a task
a

Andreas Nord

06/28/2022, 8:07 AM
Yes not sure what is the issue with tempfile behaviour, will have to solve it with os.subprocess
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