sunjincheng121 commented on a change in pull request #8472: 
[FLINK-12327][python] Adds support to submit Python Table API job in CliFrontend
URL: https://github.com/apache/flink/pull/8472#discussion_r286397756
 
 

 ##########
 File path: 
flink-clients/src/main/java/org/apache/flink/client/cli/ProgramOptions.java
 ##########
 @@ -62,17 +65,63 @@
 
        private final SavepointRestoreSettings savepointSettings;
 
+       // Flag indicating whether the job is a Python job.
+       private final boolean isPython;
+
        protected ProgramOptions(CommandLine line) throws CliArgsException {
                super(line);
 
                String[] args = line.hasOption(ARGS_OPTION.getOpt()) ?
-                               line.getOptionValues(ARGS_OPTION.getOpt()) :
-                               line.getArgs();
+                       line.getOptionValues(ARGS_OPTION.getOpt()) :
+                       line.getArgs();
+
+               isPython = line.hasOption(PY_OPTION.getOpt()) | 
line.hasOption(PYMODULE_OPTION.getOpt());
+               // If specified the option -py(--python)
+               if (line.hasOption(PY_OPTION.getOpt())) {
+                       // Cannot use option -py and -pym simultaneously.
+                       if (line.hasOption(PYMODULE_OPTION.getOpt())) {
+                               throw new CliArgsException("Cannot use option 
-py and -pym simultaneously.");
+                       }
+                       // The args format is : py ${python.py} [optional]pyfs 
[optional]${py-files} [optional]other args.
+                       // e.g. py wordcount.py
+                       // e.g. py wordcount.py pyfs 
file:///AAA.py,hdfs:///BBB.py --input in.txt --output out.txt
+                       String[] newArgs;
+                       int argIndex;
+                       if (line.hasOption(PYFILES_OPTION.getOpt())) {
+                               newArgs = new String[args.length + 4];
+                               newArgs[2] = PYFILES_OPTION.getOpt();
+                               newArgs[3] = 
line.getOptionValue(PYFILES_OPTION.getOpt());
+                               argIndex = 4;
+                       } else {
+                               newArgs = new String[args.length + 2];
+                               argIndex = 2;
+                       }
+                       newArgs[0] = PY_OPTION.getOpt();
+                       newArgs[1] = line.getOptionValue(PY_OPTION.getOpt());
+                       System.arraycopy(args, 0, newArgs, argIndex, 
args.length);
+                       args = newArgs;
+               }
+
+               // If specified the option -pym(--pyModule)
+               if (line.hasOption(PYMODULE_OPTION.getOpt())) {
+                       // If you specify the option -pym, you should specify 
the option --pyFiles simultaneously.
+                       if (!line.hasOption(PYFILES_OPTION.getOpt())) {
+                               throw new CliArgsException("-pym must be used 
in conjunction with `--pyFiles`");
+                       }
+                       // The args format is pym ${py-module} pyfs ${py-files} 
[optional]other args.
+                       // e.g. pym aaa.fun AAA.py, BBB.py
 
 Review comment:
   `pym aaa.fun` -> `-pym aaa.fun`?

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