Fix getting path to After Effects

src/engines/aerender/aerender_engine.py

@@ -1,4 +1,10 @@
-from src.engines.core.base_engine import BaseRenderEngine
+import glob
+import logging
+import subprocess
+
+from src.engines.core.base_engine import BaseRenderEngine, SUBPROCESS_TIMEOUT
+
+logger = logging.getLogger()
 
 
 class AERender(BaseRenderEngine):
@@ -10,12 +16,22 @@ class AERender(BaseRenderEngine):
         try:
             render_path = self.renderer_path()
             if render_path:
-                ver_out = subprocess.check_output([render_path, '-version'], timeout=SUBPROCESS_TIMEOUT)
+                ver_out = subprocess.run([render_path, '-version'], capture_output=True, text=True)
-                version = ver_out.decode('utf-8').split(" ")[-1].strip()
+                version = ver_out.stdout.split(" ")[-1].strip()
         except Exception as e:
             logger.error(f'Failed to get {self.name()} version: {e}')
         return version
 
+    @classmethod
+    def default_renderer_path(cls):
+        paths = glob.glob('/Applications/*After Effects*/aerender')
+        if len(paths) > 1:
+            logger.warning('Multiple After Effects installations detected')
+        elif not paths:
+            logger.error('After Effects installation not found')
+        else:
+            return paths[0]
+
     @classmethod
     def get_output_formats(cls):
         # todo: create implementation

src/engines/core/base_engine.py

@@ -14,7 +14,7 @@ class BaseRenderEngine(object):
     def __init__(self, custom_path=None):
         self.custom_renderer_path = custom_path
         if not self.renderer_path() or not os.path.exists(self.renderer_path()):
-            raise FileNotFoundError(f"Cannot find path to renderer for {self.name()} instance")
+            raise FileNotFoundError(f"Cannot find path ({self.renderer_path()}) for renderer '{self.name()}'")
 
         if not os.access(self.renderer_path(), os.X_OK):
             logger.warning(f"Path is not executable. Setting permissions to 755 for {self.renderer_path()}")