RenderWorker cleanup and add camera methods to BlenderRenderWorker

utilities/aerender_worker.py

@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!/usr/bin/env python3
 import glob
 import json
 import re
@@ -19,18 +19,6 @@ def aerender_path():
 
 class AERenderWorker(BaseRenderWorker):
 
-    @classmethod
-    def version(cls):
-        version = None
-        try:
-            x = subprocess.Popen([aerender_path(), '-version'], stdout=subprocess.PIPE)
-            x.wait()
-            ver_out = str(x.stdout.read().strip())
-            version = ver_out.split(" ")[-1].strip()
-        except Exception as e:
-            logging.error('failed getting version: {}'.format(e))
-        return version
-
     renderer = 'After Effects'
     render_engine = 'aerender'
     supported_extensions = ['.aep']
@@ -47,6 +35,18 @@ class AERenderWorker(BaseRenderWorker):
         self.progress_history = []
         self.attributes = {}
 
+    @classmethod
+    def version(cls):
+        version = None
+        try:
+            render_path = cls.renderer_path()
+            if render_path:
+                ver_out = subprocess.check_output([render_path, '-version'])
+                version = ver_out.decode('utf-8').split(" ")[-1].strip()
+        except Exception as e:
+            logging.error(f'Failed to get {cls.renderer} version: {e}')
+        return version
+
     def _generate_subprocess(self):
 
         if os.path.exists('nexrender-cli-macos'):