Expose bake attribute prefixes, plus make settings just a list of strings

client/ayon_core/hosts/maya/plugins/publish/extract_pointcache.py

@@ -1,5 +1,4 @@
 import os
-import json
 
 from maya import cmds
 
@@ -26,7 +25,10 @@ class ExtractAlembic(publish.Extractor):
     hosts = ["maya"]
     families = ["pointcache", "model", "vrayproxy.alembic"]
     targets = ["local", "remote"]
-    bake_attributes = "[]"
+
+    # From settings
+    bake_attributes = []
+    bake_attribute_prefixes = []
 
     def process(self, instance):
         if instance.data.get("farm"):
@@ -42,17 +44,12 @@ class ExtractAlembic(publish.Extractor):
         attrs = instance.data.get("attr", "").split(";")
         attrs = [value for value in attrs if value.strip()]
         attrs += instance.data.get("userDefinedAttributes", [])
+        attrs += self.bake_attributes
         attrs += ["cbId"]
 
-        # bake specified attributes in preset
-        bake_attributes = json.loads(self.bake_attributes)
-        assert isinstance(bake_attributes, list), (
-            "Attributes to bake must be specified as a list"
-        )
-        attrs += bake_attributes
-
         attr_prefixes = instance.data.get("attrPrefix", "").split(";")
         attr_prefixes = [value for value in attr_prefixes if value.strip()]
+        attr_prefixes += self.bake_attribute_prefixes
 
         self.log.debug("Extracting pointcache..")
         dirname = self.staging_dir(instance)

server_addon/maya/server/settings/publishers.py

@@ -299,10 +299,15 @@ class ExtractAlembicModel(BaseSettingsModel):
     families: list[str] = SettingsField(
         default_factory=list,
         title="Families")
-    bake_attributes: str = SettingsField(
-        "[]", title="Bake Attributes", widget="textarea",
+    bake_attributes: list[str] = SettingsField(
+        "", title="Bake Attributes", widget="textarea",
         description="List of attributes that will be included in the alembic "
                     "export.",
+    ),
+    bake_attribute_prefixes: list[str] = SettingsField(
+        "", title="Bake Attribute Prefixes", widget="textarea",
+        description="List of attribute prefixes for attributes that will be "
+                    "included in the alembic export.",
     )
 
 
@@ -1199,7 +1204,8 @@ DEFAULT_PUBLISH_SETTINGS = {
             "model",
             "vrayproxy.alembic"
         ],
-        "bake_attributes": "[]"
+        "bake_attributes": [],
+        "bake_attribute_prefixes": [],
     },
     "ExtractObj": {
         "enabled": False,