PYPE-778: [Maya][Redshift] - RenderPass token breaks render publishing

pype/plugins/maya/publish/validate_rendersettings.py

@@ -13,13 +13,17 @@ class ValidateRenderSettings(pyblish.api.InstancePlugin):
  """Validates the global render settings
 
  * File Name Prefix must start with: `maya/<Scene>`
- all other token are customizable but sane values are:
+ all other token are customizable but sane values for Arnold are:
 
  `maya/<Scene>/<RenderLayer>/<RenderLayer>_<RenderPass>`
 
- <Camera> token is supported also, usefull for multiple renderable
+ <Camera> token is supported also, useful for multiple renderable
  cameras per render layer.
 
+ For Redshift omit <RenderPass> token. Redshift will append it
+ automatically if AOVs are enabled and if you user Multipart EXR
+ it doesn't make much sense.
+
  * Frame Padding must be:
  * default: 4
 
@@ -127,8 +131,13 @@ def get_invalid(cls, instance):
  # no vray checks implemented yet
  pass
  elif renderer == "redshift":
- # no redshift check implemented yet
- pass
+ if re.search(cls.R_AOV_TOKEN, prefix):
+ invalid = True
+ cls.log.error("Do not use AOV token [ {} ] - "
+ "Redshift automatically append AOV name and "
+ "it doesn't make much sense with "
+ "Multipart EXR".format(prefix))
+
  elif renderer == "renderman":
  file_prefix = cmds.getAttr("rmanGlobals.imageFileFormat")
  dir_prefix = cmds.getAttr("rmanGlobals.imageOutputDir")
@@ -143,8 +152,8 @@ def get_invalid(cls, instance):
  dir_prefix))
 
  else:
- multichannel = cmds.getAttr("defaultArnoldDriver.mergeAOVs")
- if multichannel:
+ multipart = cmds.getAttr("defaultArnoldDriver.mergeAOVs")
+ if multipart:
  if re.search(cls.R_AOV_TOKEN, prefix):
  invalid = True
  cls.log.error("Wrong image prefix [ {} ] - "