wangyang0918 commented on a change in pull request #13322:
URL: https://github.com/apache/flink/pull/13322#discussion_r492073521
##########
File path:
flink-clients/src/main/java/org/apache/flink/client/cli/ProgramOptionsUtils.java
##########
@@ -93,4 +98,40 @@ public static ProgramOptions
createPythonProgramOptions(CommandLine line) throws
"or not working as expected.", e);
}
}
+
+ public static ProgramOptions
createPythonApplicationProgramOptions(CommandLine line) throws CliArgsException,
+ NoSuchFieldException, IllegalAccessException {
+ ProgramOptions pythonProgramOptions =
createPythonProgramOptions(line);
+ Field jarFilePath =
pythonProgramOptions.getClass().getSuperclass().getDeclaredField("jarFilePath");
+ jarFilePath.setAccessible(true);
+ // This is the python jar path in client, which is invalid at
runtime and it will be replaced with the actual
+ // path when retrieving the packaged program in the job manager
container.
+ String pythonJarPath = "local:///opt/flink/opt/" +
FilenameUtils.getName(PackagedProgramUtils.getPythonJar()
+ .getPath());
+ jarFilePath.set(pythonProgramOptions, pythonJarPath);
+ return pythonProgramOptions;
+ }
+
+ public static void configurePythonExecution(Configuration configuration,
+
PackagedProgram packagedProgram) throws CliArgsException,
+ NoSuchFieldException, IllegalAccessException {
+
+ final Options commandOptions =
CliFrontendParser.getRunCommandOptions();
+ final CommandLine commandLine =
CliFrontendParser.parse(commandOptions, packagedProgram.getArguments(),
+ true);
+ final ProgramOptions programOptions =
createPythonProgramOptions(commandLine);
+
+ //Extract real program args by eliminating the PyFlink
dependency options
+ String[] programArgs =
programOptions.extractProgramArgs(commandLine);
+ //Set the real program args to the packaged program
+ Field argsField =
packagedProgram.getClass().getDeclaredField("args");
+ argsField.setAccessible(true);
+ argsField.set(packagedProgram, programArgs);
+
+ //PyFlink dependency configurations are set in the
pythonConfiguration when constructing the program option,
+ // we need to get the python configuration and merge
with the execution configuration.
+ Field pythonConfiguration =
programOptions.getClass().getDeclaredField("pythonConfiguration");
Review comment:
Thanks for the explanation. Now the reflection makes more sense to me.
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