Move metadata widget code to metadata/widgets.py.

mayan/apps/metadata/api.py

@@ -100,15 +100,6 @@ def metadata_repr_as_list(metadata_list):
     return output
 
 
-def get_metadata_string(document):
-    """
-    Return a formated representation of a document's metadata values
-    """
-    return ', '.join(
-        ['%s - %s' % (document_metadata.metadata_type, document_metadata.value) for document_metadata in document.metadata.all()]
-    )
-
-
 def convert_dict_to_dict_list(dictionary):
     result = []
     for key, value in dictionary.items():

mayan/apps/metadata/apps.py

@@ -22,7 +22,6 @@ from mayan.celery import app
 from navigation import SourceColumn
 from rest_api.classes import APIEndPoint
 
-from .api import get_metadata_string
 from .classes import DocumentMetadataHelper
 from .handlers import (
     post_document_type_metadata_type_add,
@@ -43,6 +42,7 @@ from .permissions import (
     permission_metadata_document_add, permission_metadata_document_edit,
     permission_metadata_document_remove, permission_metadata_document_view
 )
+from .widgets import get_metadata_string
 
 logger = logging.getLogger(__name__)
 

mayan/apps/metadata/widgets.py

@@ -0,0 +1,14 @@
+from __future__ import unicode_literals
+
+
+def get_metadata_string(document):
+    """
+    Return a formated representation of a document's metadata values
+    """
+    return ', '.join(
+        [
+            '%s - %s' % (
+                document_metadata.metadata_type, document_metadata.value
+            ) for document_metadata in document.metadata.all()
+        ]
+    )