Add Job Window Redesign (#128)

* Initial refactor of add_job_window

* Improved project naming and fixed Blender engine issue

* Improve time representation in main window

* Cleanup Blender job creation

* Send resolution / fps data in job submission

* More window improvements

* EngineManager renaming and refactoring

* FFMPEG path fixes for ffprobe

* More backend refactoring / improvements

* Performance improvements / API refactoring

* Show current job count in add window UI before submission

* Move some UI update code out of background thread

* Move some main window UI update code out of background thread

src/engines/blender/blender_engine.py

@@ -24,10 +24,12 @@ class Blender(BaseRenderEngine):
         from src.engines.blender.blender_worker import BlenderRenderWorker
         return BlenderRenderWorker
 
-    @staticmethod
-    def ui_options(system_info):
-        from src.engines.blender.blender_ui import BlenderUI
-        return BlenderUI.get_options(system_info)
+    def ui_options(self):
+        options = [
+            {'name': 'engine', 'options': self.supported_render_engines()},
+            {'name': 'render_device', 'options': ['Any', 'GPU', 'CPU']},
+        ]
+        return options
 
     def supported_extensions(self):
         return ['blend']
@@ -117,7 +119,7 @@ class Blender(BaseRenderEngine):
             # report any missing textures
             not_found = re.findall("(Unable to pack file, source path .*)\n", result_text)
             for err in not_found:
-                logger.error(err)
+                raise ChildProcessError(err)
 
             p = re.compile('Saved to: (.*)\n')
             match = p.search(result_text)
@@ -125,6 +127,7 @@ class Blender(BaseRenderEngine):
                 new_path = os.path.join(dir_name, match.group(1).strip())
                 logger.info(f'Blender file packed successfully to {new_path}')
                 return new_path
+            return project_path
         except Exception as e:
             msg = f'Error packing .blend file: {e}'
             logger.error(msg)
@@ -164,7 +167,7 @@ class Blender(BaseRenderEngine):
         return options
 
     def system_info(self):
-        return {'render_devices': self.get_render_devices()}
+        return {'render_devices': self.get_render_devices(), 'engines': self.supported_render_engines()}
 
     def get_render_devices(self):
         script_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'scripts', 'get_system_info.py')
@@ -179,7 +182,7 @@ class Blender(BaseRenderEngine):
             logger.error("GPU data not found in the output.")
 
     def supported_render_engines(self):
-        engine_output = subprocess.run([self.engine_path(), '-E', 'help'], timeout=SUBPROCESS_TIMEOUT,
+        engine_output = subprocess.run([self.engine_path(), '-b', '-E', 'help'], timeout=SUBPROCESS_TIMEOUT,
                                        capture_output=True, creationflags=_creationflags).stdout.decode('utf-8').strip()
         render_engines = [x.strip() for x in engine_output.split('Blender Engine Listing:')[-1].strip().splitlines()]
         return render_engines