Try again for delete.

Author: Thrameos

jpype/_core.py

@@ -158,7 +158,6 @@ def _expandClassPath(
 
 
 _JVM_started = False
-_tmp = None
 
 def interactive():
     return bool(getattr(sys, 'ps1', sys.flags.interactive))
@@ -303,6 +302,7 @@ def startJVM(
     java_class_path.append(support_lib)
     java_class_path = list(filter(len, java_class_path))
     classpath = _classpath._SEP.join(java_class_path)
+    tmp = None
 
     # Make sure our module is always on the classpath
     if not classpath.isascii():
@@ -314,13 +314,14 @@ def startJVM(
         if not support_lib.isascii():
             import tempfile
             import shutil
-            global _tmp
-            _tmp = tempfile.TemporaryDirectory(dir = _findTemp())
-            if not _tmp.name.isascii():
-                raise ValueError("Unable to find ascii temp directory. Clear TEMPDIR, TEMP, and TMP environment variables")
-            sl2 = os.path.join(_tmp.name, "org.jpype.jar")
-            shutil.copyfile(support_lib, sl2)
-            support_lib = sl2
+            fd, path = tempfile.mkstemp(dir = _findTemp())
+            if not path.isascii():
+                raise ValueError("Unable to find ascii temp directory.")
+            shutil.copyfile(support_lib, path)
+            support_lib = path
+            tmp = path
+            os.close(fd)
+            # Don't remove
 
         # 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
@@ -343,7 +344,7 @@ def startJVM(
         prior = [locale.getlocale(i) for i in categories]
         # Start the JVM
         _jpype.startup(jvmpath, tuple(jvm_args + extra_jvm_args),
-                       ignoreUnrecognized, convertStrings, interrupt)
+                       ignoreUnrecognized, convertStrings, interrupt, tmp)
         # Collect required resources for operation
         initializeResources()
         # Restore locale

native/common/jp_context.cpp

@@ -22,6 +22,18 @@
 #include "jp_platform.h"
 #include "jp_gc.h"
 
+#ifdef WIN32
+#include <Windows.h>
+#else
+#if defined(_HPUX) && !defined(_IA64)
+#include <dl.h>
+#else
+#include <dlfcn.h>
+#endif // HPUX
+#include <errno.h>
+#endif
+
+
 JPResource::~JPResource() = default;
 
 
@@ -159,6 +171,35 @@ void JPContext::attachJVM(JNIEnv* env)
 	initializeResources(env, false);
 }
 
+std::string getShared() 
+{
+#ifdef WIN32
+	// Windows specific
+	char path[MAX_PATH];
+	HMODULE hm = NULL;
+	if (GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | 
+		GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
+		(LPCSTR) &getShared, &hm) != 0 &&
+		GetModuleFileName(hm, path, sizeof(path)) != 0)
+	{
+		// This is needed when there is no-ascii characters in path
+		char shortPathBuffer[MAX_PATH];
+		GetShortPathName(path, shortPathBuffer, MAX_PATH);
+		return shortPathBuffer;
+	}
+#else
+	// Linux specific
+	Dl_info info;
+	if (dladdr((void*)getShared, &info))
+		return info.dli_fname;
+#endif
+	// Generic
+	JPPyObject import = JPPyObject::use(PyImport_AddModule("importlib.util"));
+	JPPyObject jpype = JPPyObject::call(PyObject_CallMethod(import.get(), "find_spec", "s", "_jpype"));
+	JPPyObject origin = JPPyObject::call(PyObject_GetAttrString(jpype.get(), "origin"));
+	return JPPyString::asStringUTF8(origin.get());
+}
+
 void JPContext::initializeResources(JNIEnv* env, bool interrupt)
 {
 	JPJavaFrame frame = JPJavaFrame::external(this, env);
@@ -215,10 +256,8 @@ void JPContext::initializeResources(JNIEnv* env, bool interrupt)
 
 	if (!m_Embedded)
 	{
-		JPPyObject import = JPPyObject::use(PyImport_AddModule("importlib.util"));
-		JPPyObject jpype = JPPyObject::call(PyObject_CallMethod(import.get(), "find_spec", "s", "_jpype"));
-		JPPyObject origin = JPPyObject::call(PyObject_GetAttrString(jpype.get(), "origin"));
-		val[2].l = frame.fromStringUTF8(JPPyString::asStringUTF8(origin.get()));
+		std::string shared = getShared();
+		val[2].l = frame.fromStringUTF8(shared);
 	}
 
 	// Required before launch

native/python/pyjp_module.cpp

@@ -20,6 +20,9 @@
 #include "jp_gc.h"
 #include "jp_stringtype.h"
 #include "jp_classloader.h"
+#ifdef WIN32
+#include <Windows.h>
+#endif
 
 void PyJPModule_installGC(PyObject* module);
 
@@ -229,6 +232,7 @@ int PyJP_IsInstanceSingle(PyObject* obj, PyTypeObject* type)
 #ifndef ANDROID
 extern JNIEnv *Android_JNI_GetEnv();
 
+static string jarTmpPath;
 static PyObject* PyJPModule_startup(PyObject* module, PyObject* pyargs)
 {
 	JP_PY_TRY("PyJPModule_startup");
@@ -238,11 +242,23 @@ static PyObject* PyJPModule_startup(PyObject* module, PyObject* pyargs)
 	char ignoreUnrecognized = true;
 	char convertStrings = false;
 	char interrupt = false;
+	PyObject* tmp;
 
-	if (!PyArg_ParseTuple(pyargs, "OO!bbb", &vmPath, &PyTuple_Type, &vmOpt,
-			&ignoreUnrecognized, &convertStrings, &interrupt))
+	if (!PyArg_ParseTuple(pyargs, "OO!bbbO", &vmPath, &PyTuple_Type, &vmOpt,
+			&ignoreUnrecognized, &convertStrings, &interrupt, &tmp))
 		return nullptr;
 
+	if (tmp != Py_None)
+	{
+		if (!(JPPyString::check(tmp)))
+		{
+			PyErr_SetString(PyExc_TypeError, "Java jar path must be a string");
+			return nullptr;
+		}
+		jarTmpPath = JPPyString::asStringUTF8(tmp);
+	}
+
+
 	if (!(JPPyString::check(vmPath)))
 	{
 		PyErr_SetString(PyExc_TypeError, "Java JVM path must be a string");
@@ -298,6 +314,18 @@ static PyObject* PyJPModule_shutdown(PyObject* obj, PyObject* pyargs, PyObject*
 		return nullptr;
 
 	JPContext_global->shutdownJVM(destroyJVM, freeJVM);
+
+#ifdef WIN32
+	// Thus far this doesn't work on WINDOWS.  The issue is a bug in the JVM
+	// is holding the file open and there is no apparent method to close it
+	// so that this can succeed
+	if (jarTmpPath != "")
+		remove(jarTmpPath.c_str());
+#else
+	if (jarTmpPath != "")
+		unlink(jarTmpPath.c_str());
+#endif
+
 	Py_RETURN_NONE;
 	JP_PY_CATCH(nullptr);
 }