P19 23.07 online-configP19

1 files changed, 60 insertions, 0 deletions

diff --git a/MPE/spark/bin/find-spark-home.cmd b/MPE/spark/bin/find-spark-home.cmd
new file mode 100644
index 0000000..6025f67
--- /dev/null
+++ b/MPE/spark/bin/find-spark-home.cmd
@@ -0,0 +1,60 @@
+@echo off
+
+rem
+rem Licensed to the Apache Software Foundation (ASF) under one or more
+rem contributor license agreements.  See the NOTICE file distributed with
+rem this work for additional information regarding copyright ownership.
+rem The ASF licenses this file to You under the Apache License, Version 2.0
+rem (the "License"); you may not use this file except in compliance with
+rem the License.  You may obtain a copy of the License at
+rem
+rem    http://www.apache.org/licenses/LICENSE-2.0
+rem
+rem Unless required by applicable law or agreed to in writing, software
+rem distributed under the License is distributed on an "AS IS" BASIS,
+rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+rem See the License for the specific language governing permissions and
+rem limitations under the License.
+rem
+
+rem Path to Python script finding SPARK_HOME
+set FIND_SPARK_HOME_PYTHON_SCRIPT=%~dp0find_spark_home.py
+
+rem Default to standard python interpreter unless told otherwise
+set PYTHON_RUNNER=python
+rem If PYSPARK_DRIVER_PYTHON is set, it overwrites the python version
+if not "x%PYSPARK_DRIVER_PYTHON%"=="x" (
+  set PYTHON_RUNNER=%PYSPARK_DRIVER_PYTHON%
+)
+rem If PYSPARK_PYTHON is set, it overwrites the python version
+if not "x%PYSPARK_PYTHON%"=="x" (
+  set PYTHON_RUNNER=%PYSPARK_PYTHON%
+)
+
+rem If there is python installed, trying to use the root dir as SPARK_HOME
+where %PYTHON_RUNNER% > nul 2>&1
+if %ERRORLEVEL% neq 0 (
+  if not exist %PYTHON_RUNNER% (
+    if "x%SPARK_HOME%"=="x" (
+      echo Missing Python executable '%PYTHON_RUNNER%', defaulting to '%~dp0..' for SPARK_HOME ^
+environment variable. Please install Python or specify the correct Python executable in ^
+PYSPARK_DRIVER_PYTHON or PYSPARK_PYTHON environment variable to detect SPARK_HOME safely.
+      set SPARK_HOME=%~dp0..
+    )
+  )
+)
+
+rem Only attempt to find SPARK_HOME if it is not set.
+if "x%SPARK_HOME%"=="x" (
+  if not exist "%FIND_SPARK_HOME_PYTHON_SCRIPT%" (
+    rem If we are not in the same directory as find_spark_home.py we are not pip installed so we don't
+    rem need to search the different Python directories for a Spark installation.
+    rem Note only that, if the user has pip installed PySpark but is directly calling pyspark-shell or
+    rem spark-submit in another directory we want to use that version of PySpark rather than the
+    rem pip installed version of PySpark.
+    set SPARK_HOME=%~dp0..
+  ) else (
+    rem We are pip installed, use the Python script to resolve a reasonable SPARK_HOME
+    for /f "delims=" %%i in ('%PYTHON_RUNNER% %FIND_SPARK_HOME_PYTHON_SCRIPT%') do set SPARK_HOME=%%i
+  )
+)