Enable additional metadata on representations

- also a bit of code cosmetics.

pype/plugins/global/publish/integrate_new.py

@@ -9,7 +9,7 @@ import six
 
 from pymongo import DeleteOne, InsertOne
 import pyblish.api
-from avalon import api, io
+from avalon import io
 from avalon.vendor import filelink
 
 # this is needed until speedcopy for linux is fixed
@@ -44,6 +44,7 @@ class IntegrateAssetNew(pyblish.api.InstancePlugin):
         "frameStart"
         "frameEnd"
         'fps'
+        "data": additional metadata for each representation.
     """
 
     label = "Integrate Asset New"
@@ -376,9 +377,10 @@ class IntegrateAssetNew(pyblish.api.InstancePlugin):
                         index_frame_start += 1
 
                     dst = "{0}{1}{2}".format(
-                            dst_head,
-                            dst_padding,
-                            dst_tail).replace("..", ".")
+                        dst_head,
+                        dst_padding,
+                        dst_tail
+                    ).replace("..", ".")
 
                     self.log.debug("destination: `{}`".format(dst))
                     src = os.path.join(stagingdir, src_file_name)
@@ -451,13 +453,15 @@ class IntegrateAssetNew(pyblish.api.InstancePlugin):
             if repre_id is None:
                 repre_id = io.ObjectId()
 
+            data = repre.get("data") or {}
+            data.update({'path': dst, 'template': template})
             representation = {
                 "_id": repre_id,
                 "schema": "pype:representation-2.0",
                 "type": "representation",
                 "parent": version_id,
                 "name": repre['name'],
-                "data": {'path': dst, 'template': template},
+                "data": data,
                 "dependencies": instance.data.get("dependencies", "").split(),
 
                 # Imprint shortcut to context