7675 linux polish (#9)

Disabled things which make Unreal crash or which are not fully working.

Author: gplsteph

engine.py

@@ -268,10 +268,12 @@ def _create_dialog(self, title, bundle, widget, parent):
 
         from sgtk.platform.qt import QtGui
 
-        unreal_icon = os.path.realpath(os.path.join(
-            os.path.dirname(__file__),
-            "icon_256.png"))
-
+        unreal_icon = os.path.realpath(
+            os.path.join(
+                os.path.dirname(__file__),
+                "icon_256.png"
+            )
+        )
         dialog.setWindowIcon(QtGui.QIcon(unreal_icon))
         return dialog
 

hooks/tk-multi-publish2/basic/publish_movie.py

@@ -319,8 +319,17 @@ def accept(self, settings, item):
         """
 
         accepted = True
-        publisher = self.parent
+        checked = True
 
+        if sys.platform != "win32":
+            self.logger.warning(
+                "Movie publishing is not supported on other platforms than Windows..."
+            )
+            return {
+                "accepted": False,
+            }
+
+        publisher = self.parent
         # ensure the publish template is defined
         publish_template_setting = settings.get("Publish Template")
         publish_template = publisher.get_template_by_name(publish_template_setting.value)
@@ -337,7 +346,7 @@ def accept(self, settings, item):
         self.load_saved_ui_settings(settings)
         return {
             "accepted": accepted,
-            "checked": True
+            "checked": checked
         }
 
     def validate(self, settings, item):

startup.py

@@ -61,7 +61,20 @@ def prepare_launch(self, exec_path, args, file_to_open=None):
 
         :returns: A :class:`LaunchInformation` instance.
         """
+        # TODO: Get the startup project from settings somewhere, for now hardcoded
+        # Otherwise, leave it empty and the project selection window will appear
+        # (the command-line arguments are forwarded to the new instance of Unreal Editor)
+        unreal_project = ""
+        args = args + unreal_project
         required_env = {}
+        # Creating a QApplication in Unreal on Mac crashes it, so disable the
+        # SG TK integration for now, just run the executable with its args. This
+        # allows to launch Unreal from tk-desktop or submit turntable renders
+        # from Maya to Unreal, without the integration crashing Unreal.
+        if sys.platform == "darwin":
+            self.logger.warning("SG TK Unreal integration is not available on Mac.")
+            return LaunchInformation(exec_path, args, required_env)
+
         # Usually DCCs have an environment variable for plugins that need to be loaded.
         # Here we're adding ourselves to that list. We add ourselves to the existing one
         # in fact so we play nice with the current environment.
@@ -76,12 +89,6 @@ def prepare_launch(self, exec_path, args, file_to_open=None):
         # Signals which engine instance from the environment is going to be used.
         required_env["SHOTGUN_ENGINE"] = self.engine_name
 
-        # TODO: Get the startup project from settings somewhere, for now hardcoded
-        # Otherwise, leave it empty and the project selection window will appear
-        # (the command-line arguments are forwarded to the new instance of Unreal Editor)
-        unreal_project = ""
-        args = args + unreal_project
-
         # Set the bootstrap location in the environment variable that will be used by the Unreal Shotgun startup script
         bootstrap_script = os.path.join(self.disk_location, "plugins", "basic", "bootstrap.py")
         required_env["UE_SHOTGUN_BOOTSTRAP"] = bootstrap_script