Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21426#discussion_r190683345
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala ---
@@ -372,8 +376,27 @@ private[spark] class SparkSubmit extends Logging {
localJars = Option(args.jars).map {
downloadFileList(_, targetDir, sparkConf, hadoopConf, secMgr)
}.orNull
- localPyFiles = Option(args.pyFiles).map {
- downloadFileList(_, targetDir, sparkConf, hadoopConf, secMgr)
+ localPyFiles = Option(args.pyFiles).map { pyFiles =>
+ if (isClientPythonSubmit) {
+ // In case of client with submit, the python paths should be set
before context
+ // initialization.
+ // In case of shell, the context initialization is done ahead so
we are
+ // fine but in case of client with submit, the context
initialization can be done later.
+ // We will copy the local .py files because .py file shouldn't
be added
+ // alone but its parent directory. See SPARK-24384.
+ localPyFilesTargetDir = Utils.createTempDir(namePrefix =
"localPyFiles")
+ Utils.stringToSeq(pyFiles).map { pyFile =>
--- End diff --
This logic is copied from `downloadFileList`.
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