Add decorator for handing child-process side of pipe

blender_common.py

@@ -5,7 +5,7 @@ import logging
 import bpy
 from bpy.props import CollectionProperty
 from bpy.types import PropertyGroup, Panel, UIList, AddonPreferences, Operator
-from .subprocess_adapter import subprocess_operator
+from .subprocess_adapter import subprocess_operator, subprocess_function
 from . import bpackage as bpkg
 
 class RepositoryProperty(PropertyGroup):
@@ -42,27 +42,30 @@ class PackagePreferences(AddonPreferences):
 
 @subprocess_operator
 class PACKAGE_OT_refresh(Operator):
+    """
+    Operator which checks for updates to known package lists
+    """
     bl_idname = "package.refresh"
-    bl_label = "Update package list(s)"
+    bl_label = "Refresh package list(s)"
 
     log = logging.getLogger(__name__)
 
     def invoke(self, context, event):
         prefs = context.user_preferences.addons[__package__].preferences
+
         if 'repositories' not in prefs:
             return {'FINISHED'}
+
         # HACK: just do the active repo for now
         repo = bpkg.Repository(prefs['repositories'][prefs.active_repository].to_dict())
-        self.proc_args = []
-        self.proc_kwargs = {'target': repo.refresh}
-        
-    def execute(self, context, event):
-        pass
 
+        self.proc_kwargs = {'target': subprocess_function(repo.refresh, pipe=self.pipe)}
+        
     def modal(self, context, event):
         # try:
         self.poll_subprocess()
         # except:
+        return {'RUNNING_MODAL'}
 
     def handle_response(self, resp):
         self.report({'INFO'}, "Request returned %s" % resp)