Module

jpype/_core.py

@@ -256,15 +256,15 @@
         # Not specified at all, use the default classpath.
         classpath = _classpath.getClassPath()
 
 # Code for 1.6 release when we add module support
 #    # Modulepath handling
 #    old_modulepath = _getOption(jvmargs, "--module-path", _classpath._SEP)
 #    if old_modulepath:
 #        # Old style, specified in the arguments
 #        if modulepath is not None:
 #            # Cannot apply both styles, conflict
 #            raise TypeError('modulepath specified twice')
 #        modulepath = old_modulepath
 #    if modulepath is not None:
 #        mp = _classpath._SEP.join(_expandClassPath(modulepath))
 #        extra_jvm_args += ['--module-path=%s'%mp ]
@@ -289,19 +289,23 @@
     elif system_class_loader:
         # https://bugs.openjdk.org/browse/JDK-8079633?jql=text%20~%20%22ParseUtil%22
         raise ValueError("system classloader cannot be specified with non ascii characters in the classpath")
-    elif support_lib.isascii():
+    else:
+        if not support_lib.isascii():
+            import tempfile
+            import shutil
+            tmp = tempfile.gettempdir()
+            if not tmp.isascii():
+                raise ValueError("Unable to create ascii temp directory. Clear TEMPDIR, TEMP, and TMP environment variables")
+            support_lib2 = os.path.join(tmp, "org.jpype.jar")
+            shutil.copyfile(support_lib, support_lib2)
+            support_lib = support_lib2
+
         # ok, setup the jpype system classloader and add to the path after startup
         # this guarentees all classes have the same permissions as they did in the past
         extra_jvm_args += [
             '-Djava.system.class.loader=org.jpype.classloader.DynamicClassLoader',
             '-Djava.class.path=%s'%support_lib
         ]
-    else:
-        # We are screwed no matter what we try or do.
-        # Unfortunately the jdk maintainers don't seem to care either.
-        # This bug is almost 10 years old and spans 16 jdk versions and counting.
-        # https://bugs.openjdk.org/browse/JDK-8079633?jql=text%20~%20%22ParseUtil%22
-        raise ValueError("jpype jar must be ascii to add to the system class path")
 
     if agent:
         extra_jvm_args += ['-javaagent:' + support_lib]
@@ -347,8 +351,9 @@
     if late_load and classpath:
         # now we can add to the system classpath
         cl = _jpype.JClass("java.lang.ClassLoader").getSystemClassLoader()
+        from pathlib import Path
         for cp in _expandClassPath(classpath):
-            cl.addFile(_jpype._java_lang_String(cp))
+            cl.addFile(Path(cp))
 
 
 def initializeResources():