Default to native compression backend on standalone

Author: msimacek

graalpython/com.oracle.graal.python.shell/src/com/oracle/graal/python/shell/GraalPythonMain.java

@@ -182,6 +182,7 @@ protected List<String> preprocessArguments(List<String> givenArgs, Map<String, S
         origArgs = new ArrayList<>();
         boolean posixBackendSpecified = false;
         boolean sha3BackendSpecified = false;
+        boolean compressionBackendSpecified = false;
         boolean installSignalHandlersSpecified = false;
         boolean isolateNativeModulesSpecified = false;
         for (Iterator<String> argumentIterator = arguments.iterator(); argumentIterator.hasNext();) {
@@ -271,7 +272,8 @@ protected List<String> preprocessArguments(List<String> givenArgs, Map<String, S
                                             matchesPythonOption(arg, "StdLibHome") ||
                                             matchesPythonOption(arg, "CAPI") ||
                                             matchesPythonOption(arg, "PosixModuleBackend") ||
-                                            matchesPythonOption(arg, "Sha3ModuleBackend")) {
+                                            matchesPythonOption(arg, "Sha3ModuleBackend") ||
+                                            matchesPythonOption(arg, "CompressionModulesBackend")) {
                                 addRelaunchArg(arg);
                             }
                             if (matchesPythonOption(arg, "PosixModuleBackend")) {
@@ -280,6 +282,9 @@ protected List<String> preprocessArguments(List<String> givenArgs, Map<String, S
                             if (matchesPythonOption(arg, "Sha3ModuleBackend")) {
                                 sha3BackendSpecified = true;
                             }
+                            if (matchesPythonOption(arg, "CompressionModulesBackend")) {
+                                compressionBackendSpecified = true;
+                            }
                             if (matchesPythonOption(arg, "InstallSignalHandlers")) {
                                 installSignalHandlersSpecified = true;
                             }
@@ -444,6 +449,9 @@ protected List<String> preprocessArguments(List<String> givenArgs, Map<String, S
         if (!sha3BackendSpecified) {
             polyglotOptions.put("python.Sha3ModuleBackend", "native");
         }
+        if (!compressionBackendSpecified) {
+            polyglotOptions.put("python.CompressionModulesBackend", "native");
+        }
         if (!installSignalHandlersSpecified) {
             polyglotOptions.put("python.InstallSignalHandlers", "true");
         }

mx.graalpython/mx_graalpython.py

@@ -2031,6 +2031,7 @@ def bytecode_dsl_build_args():
                 '--enable-native-access=org.graalvm.shadowed.jline',
                 '-Dpolyglot.python.PosixModuleBackend=native',
                 '-Dpolyglot.python.Sha3ModuleBackend=native',
+                '-Dpolyglot.python.CompressionModulesBackend=native',
             ] + bytecode_dsl_build_args(),
             language='python',
             default_vm_args=[

mx.graalpython/suite.py

@@ -813,6 +813,7 @@
                  '--enable-native-access=org.graalvm.shadowed.jline',
                 "-Dpolyglot.python.PosixModuleBackend=native",
                 "-Dpolyglot.python.Sha3ModuleBackend=native",
+                "-Dpolyglot.python.CompressionModulesBackend=native",
             ],
             "dynamicBuildArgs": "libpythonvm_build_args",
         },