minor edits

- remove check if sensor width exists for chan files
- tag nuke chan files to be pep8
- remove unused import

1 files changed, 11 insertions, 14 deletions

diff --git a/io_anim_nuke_chan/import_nuke_chan.py b/io_anim_nuke_chan/import_nuke_chan.py
index ec76955d..717c3f9d 100644
--- a/io_anim_nuke_chan/import_nuke_chan.py
+++ b/io_anim_nuke_chan/import_nuke_chan.py
@@ -16,6 +16,8 @@
 #
 # ##### END GPL LICENSE BLOCK #####
 
+# <pep8-80 compliant>
+
 """ This script is an importer for the nuke's .chan files"""
 
 from mathutils import Vector, Matrix, Euler
@@ -27,6 +29,7 @@ def read_chan(context, filepath, z_up, rot_ord):
     # get the active object
     scene = context.scene
     obj = context.active_object
+    camera = obj.data if obj.type == 'CAMERA' else None
 
     # get the resolution (needed to calculate the camera lens)
     res_x = scene.render.resolution_x
@@ -104,23 +107,17 @@ def read_chan(context, filepath, z_up, rot_ord):
 
 
             # check if the object is camera and fov data is present
-            if obj.type == 'CAMERA' and len(data) > 7:
+            if camera and len(data) > 7:
                 v_fov = float(data[7])
-                sensor_x = 0
-                sensor_y = 0
-                if hasattr(obj.data, "sensor_width"):  # Preserve compatibility
-                    if obj.data.sensor_fit == 'VERTICAL':
-                        sensor_x = obj.data.sensor_width
-                        sensor_y = obj.data.sensor_height
-                    else:
-                        sensor_x = obj.data.sensor_width
-                        sensor_y = sensor_x * res_ratio
+                if camera.sensor_fit == 'VERTICAL':
+                    sensor_x = camera.sensor_width
+                    sensor_y = camera.sensor_height
                 else:
-                    sensor_x = 32  # standard blender's sensor size
+                    sensor_x = camera.sensor_width
                     sensor_y = sensor_x * res_ratio
-                lenslen = ((sensor_y / 2.0) / tan(radians(v_fov / 2.0)))
-                obj.data.lens = lenslen
-                obj.data.keyframe_insert("lens")
+
+                camera.lens = ((sensor_y / 2.0) / tan(radians(v_fov / 2.0)))
+                camera.keyframe_insert("lens")
     filehandle.close()
 
     return {'FINISHED'}