ueshin commented on a change in pull request #29703:
URL: https://github.com/apache/spark/pull/29703#discussion_r492417508
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File path: python/pyspark/find_spark_home.py
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@@ -42,7 +42,11 @@ def is_spark_home(path):
import_error_raised = False
from importlib.util import find_spec
try:
+ # Spark distribution can be downloaded when HADOOP_VERSION environment
variable is set.
+ # We should look up this directory first, see also SPARK-32017.
+ spark_dist_dir = "spark-distribution"
module_home = os.path.dirname(find_spec("pyspark").origin)
+ paths.append(os.path.join(module_home, spark_dist_dir))
Review comment:
We should insert this entry between `"../"` and
`os.path.dirname(os.path.realpath(__file__))`, which is the same as the module
home if pip is used for the installation; otherwise,
`os.path.dirname(os.path.realpath(__file__))` will be the spark home.
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