blender_worker refactoring

lib/render_workers/blender_worker.py

@@ -4,14 +4,39 @@ import re
 from .render_worker import *
 
 
+class Blender(BaseRenderEngine):
+
+    install_paths = ['/Applications/Blender.app/Contents/MacOS/Blender']
+    supported_extensions = ['.blend']
+
+    @classmethod
+    def version(cls):
+        version = None
+        try:
+            render_path = cls.renderer_path()
+            if render_path:
+                ver_out = subprocess.check_output([render_path, '-v'])
+                version = ver_out.decode('utf-8').splitlines()[0].replace('Blender', '').strip()
+        except Exception as e:
+            logging.error(f'Failed to get Blender version: {e}')
+        return version
+
+    @classmethod
+    def get_formats(cls):
+        format_string = cls.get_help().split('Format Options')[-1].split('Animation Playback Options')[0]
+        formats = re.findall(r"'([A-Z_0-9]+)'", format_string)
+        return formats
+
+    @classmethod
+    def full_report(cls):
+        return {'version': cls.version(),
+                'help_text': cls.get_help(),
+                'formats': cls.get_formats()}
+
+
 class BlenderRenderWorker(BaseRenderWorker):
 
-    renderer = 'Blender'
-    render_engine = 'blender'
-    supported_extensions = ['.blend']
-    install_paths = ['/Applications/Blender.app/Contents/MacOS/Blender']
-    supported_export_formats = ['TGA', 'RAWTGA', 'JPEG', 'IRIS', 'IRIZ', 'AVIRAW', 'AVIJPEG', 'PNG', 'BMP', 'HDR',
-                                'TIFF', 'OPEN_EXR', 'OPEN_EXR_MULTILAYER', 'MPEG', 'CINEON', 'DPX', 'DDS', 'JP2']
+    engine = Blender
 
     def __init__(self, input_path, output_path, args=None):
         super(BlenderRenderWorker, self).__init__(input_path=input_path, output_path=output_path,
@@ -34,21 +59,9 @@ class BlenderRenderWorker(BaseRenderWorker):
             if self.render_all_frames else 1
         self.current_frame = int(self.scene_info.get('frame_start', 0))
 
-    @classmethod
-    def version(cls):
-        version = None
-        try:
-            render_path = cls.renderer_path()
-            if render_path:
-                ver_out = subprocess.check_output([render_path, '-v'])
-                version = ver_out.decode('utf-8').splitlines()[0].replace('Blender', '').strip()
-        except Exception as e:
-            logging.error(f'Failed to get {cls.renderer} version: {e}')
-        return version
-
     def generate_worker_subprocess(self):
 
-        cmd = [self.renderer_path()]
+        cmd = [self.engine.renderer_path()]
         if self.args.get('background', True):  # optionally run render not in background
             cmd.append('-b')
         cmd.append(self.input_path)
@@ -131,7 +144,7 @@ class BlenderRenderWorker(BaseRenderWorker):
 def run_python_expression_in_blend(path, python_expression):
     if os.path.exists(path):
         try:
-            return subprocess.run([BlenderRenderWorker.renderer_path(), '-b', path, '--python-expr', python_expression],
+            return subprocess.run([Blender.renderer_path(), '-b', path, '--python-expr', python_expression],
                                   capture_output=True)
         except Exception as e:
             logger.warning(f"Error running python expression in blender: {e}")
@@ -143,8 +156,7 @@ def run_python_expression_in_blend(path, python_expression):
 def run_python_script_in_blend(path, python_path):
     if os.path.exists(path) and os.path.exists(python_path):
         try:
-            return subprocess.run([BlenderRenderWorker.renderer_path(), '-b', path, '--python', python_path],
-                                  capture_output=True)
+            return subprocess.run([Blender.renderer_path(), '-b', path, '--python', python_path], capture_output=True)
         except Exception as e:
             logger.warning(f"Error running python expression in blender: {e}")
             pass
@@ -201,12 +213,14 @@ def get_scene_info(path):
 
 if __name__ == '__main__':
 
+    print(Blender.full_report())
+
     # x = pack_blender_files('/Users/brett/Blender Files/temple_animatic.blend')
     # print(x)
 
-    logging.basicConfig(format='%(asctime)s - %(message)s', datefmt='%d-%b-%y %H:%M:%S', level=logging.DEBUG)
-    r = BlenderRenderWorker('/Users/brett/Blender Files/temple_animatic.blend', '/Users/brett/testing1234')
-    # r.engine = 'CYCLES'
-    r.start()
-    while r.is_running():
-        time.sleep(1)
+    # logging.basicConfig(format='%(asctime)s - %(message)s', datefmt='%d-%b-%y %H:%M:%S', level=logging.DEBUG)
+    # r = BlenderRenderWorker('/Users/brett/Blender Files/temple_animatic.blend', '/Users/brett/testing1234')
+    # # r.engine = 'CYCLES'
+    # r.start()
+    # while r.is_running():
+    #     time.sleep(1)