Running ConditionalEvaluation requires manual Whitebox library folder permissions change

[MarcusCM]

• whitebox version: 2.1.1
• Python version: 3.9.10
• Operating System: Ubuntu 20.04 under Windows WSL2

Description

Running the ConditionalEvaluation tool (also applies to RasterCalculator as per jblindsay/whitebox-tools#202) requires a manual permission change on the whitebox library folders and files. Without this, the tool crashes and throws a denied permissions exception.

When WBT executables are downloaded upon the first import whitebox, some permissions are rw-r--r-- (644), other are rwxr-xr-x (755). Changing all the whitebox/ folder, subfolders and files to rwxr-xr-x allowed the tool to run properly.

What I Did

import whitebox
wbt = whitebox.WhiteboxTools()

wbt.conditional_evaluation(
    i = "/path/to/raster/input.tif",
    output = "/path/to/raster/output.tif",
    statement = "'value >= 3'",
    true = 1,
    false = "nodata"
)

>>> ./whitebox_tools --run="ConditionalEvaluation" --input='/path/to/raster/input.tif' --statement='value >= 3' --true='1' --false='nodata' --output='/path/to/raster/output.tif'

>>> thread 'main' panicked at 'failed to execute process: Os { code: 13, kind: PermissionDenied, message: "Permission denied" }', whitebox-tools-app/src/tools/mod.rs:1264:26
>>> note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
>>> 0

Permissions change on the whitebox library folder and files, in your Python environment folder:

chmod -R 755 /path_to_conda_env/lib/python3.9/site-packages/whitebox/

wbt.conditional_evaluation(
    i = "/path/to/raster/input.tif",
    output = "/path/to/raster/output.tif",
    statement = "'value >= 3'",
    true = 1,
    false = "nodata"
)

>>> ./whitebox_tools --run="ConditionalEvaluation" --input='/path/to/raster/input.tif' --statement='value >= 3' --true='1' --false='nodata' --output='/path/to/raster/output.tif'
>>> (Tool runs normally).

[Qiusheng Wu]

Thank you for reporting. I just committed code to fix the permission issue. Please update the package and try again.

pip install git+https://github.com/giswqs/whitebox-python.git

[Qiusheng Wu]

A new version has been released to PyPI.

pip install -U whitebox