GP-0: Fixing PyGhidra application name on Linux, and a couple of other

PyGhidra tweaks (Closes #8362)

Ghidra/Features/PyGhidra/src/main/py/README.md

@@ -575,6 +575,7 @@ __3.2.0__
 * PyGhidra now depends on `JPype >=1.5.2, != 1.6.0, != 1.7.0`.
 * Using `typing_extensions` to properly deprecate [`pyghidra.open_program()`](#pyghidraopen_program)
   and [`pyghidra.run_script()`](#pyghidrarun_script).
+* Fixed the PyGhidra WM_CLASS/application name on Linux (requires Ghidra 12.2 or later).
 
 __3.1.0__
 * PyGhidra will now, by default, restore `sys.modules` to its prior state after a PyGhidra script is

Ghidra/Features/PyGhidra/src/main/py/src/pyghidra/gui.py

@@ -21,7 +21,7 @@ import platform
 import sys
 import traceback
 from typing import List, NoReturn
-import warnings
+from typing_extensions import deprecated
 
 import pyghidra
 
@@ -153,11 +153,7 @@ def gui(install_dir: Path = None, vm_args: List[str] = None):
         launcher.vm_args += vm_args
     launcher.start()
 
-
+@deprecated("get_current_interpreter has been moved. Please use pyghidra.get_current_interpreter.")
 def get_current_interpreter():
-    warnings.warn(
-        "get_current_interpreter has been moved. Please use pyghidra.get_current_interpreter",
-        DeprecationWarning
-    )
     return pyghidra.get_current_interpreter()
 

Ghidra/Features/PyGhidra/src/main/py/src/pyghidra/launcher.py

@@ -746,6 +746,10 @@ class GuiPyGhidraLauncher(PyGhidraLauncher):
         stdout = _PyGhidraStdOut(sys.stdout)
         stderr = _PyGhidraStdOut(sys.stderr)
         with contextlib.redirect_stdout(stdout), contextlib.redirect_stderr(stderr):
+            try:
+                Ghidra.setLinuxApplicationName()
+            except AttributeError:
+                pass # Ghidra 12.2 and later
             Thread(lambda: Ghidra.main(["ghidra.GhidraRun", *self.args])).start()
             is_exiting = threading.Event()
             Runtime.getRuntime().addShutdownHook(Thread(is_exiting.set))

Ghidra/Features/PyGhidra/src/main/py/src/pyghidra/script.py

@@ -280,14 +280,14 @@ def get_current_interpreter():
     try:
         from ghidra.util import SystemUtilities
         from ghidra.framework.main import AppInfo
+        from ghidra.pyghidra import PyGhidraScriptProvider
 
         global _headless_interpreter
 
         if SystemUtilities.isInHeadlessMode():
             if _headless_interpreter is None:
                 # one hasn't been created yet so make one now
-                PyGhidraScriptProvider = JClass("ghidra.pyghidra.PyGhidraScriptProvider")
-                _headless_interpreter = PyGhidraScriptProvider.PyGhidraHeadlessScript()
+                _headless_interpreter = PyGhidraScriptProvider().getScriptInstance(None, None) # type: ignore
             return _headless_interpreter
 
         project = AppInfo.getActiveProject()