jorisvandenbossche commented on code in PR #37436:
URL: https://github.com/apache/arrow/pull/37436#discussion_r1310473300


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ci/appveyor-cpp-build.bat:
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@@ -132,10 +132,17 @@ set ARROW_HOME=%CONDA_PREFIX%\Library
 @rem ARROW-3075; pkgconfig is broken for Parquet for now
 set PARQUET_HOME=%CONDA_PREFIX%\Library
 
+@rem Move tzdata to a non-standard location to test the
+@rem configurability of the timezone database path
+mkdir %USERPROFILE%\Downloads\test\tzdata
+move %USERPROFILE%\Downloads\tzdata %USERPROFILE%\Downloads\test\tzdata
+
 python setup.py develop -q || exit /B
 
 set PYTHONDEVMODE=1
 
+@rem Configure the path of the timesone database to a new location
+python -c "import pyarrow;import os;path = 
os.path.expandvars(r'%USERPROFILE%\Downloads\test\tzdata');pa.set_timezone_db_path(path)"

Review Comment:
   I also think this will not persist to the actual pytest invocation (that's a 
new python session, so (py)arrow will be a fresh import)
   
   So we probably have to add a way to configure this with an env variable as 
well? Or a pytest config variable to pass to the `pytest` cmd? (do you know how 
R tests this?)



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