Nice UI and proper refreshing versions & loading settings.

blender_cloud/__init__.py

@@ -67,8 +67,9 @@ def register():
         gui = reload_mod('gui')
         async_loop = reload_mod('async_loop')
         settings_sync = reload_mod('settings_sync')
+        reload_mod('blendfile')
     else:
-        from . import blender, gui, async_loop, settings_sync
+        from . import blender, gui, async_loop, settings_sync, blendfile
 
     async_loop.setup_asyncio_executor()
     async_loop.register()

blender_cloud/blender.py

@@ -19,10 +19,17 @@ log = logging.getLogger(__name__)
 
 
 def redraw(self, context):
-    log.debug('SyncStatusProperties.status = %s', self.status)
     context.area.tag_redraw()
 
 
+def blender_syncable_versions(self, context):
+    bss = context.window_manager.blender_sync_status
+    versions = bss.available_blender_versions
+    if not versions:
+        return [('', 'No settings stored in your home project.', '')]
+    return [(v, v, '') for v in versions]
+
+
 class SyncStatusProperties(PropertyGroup):
     status = EnumProperty(
         items=[
@@ -33,6 +40,12 @@ class SyncStatusProperties(PropertyGroup):
         name='status',
         description='Current status of Blender Sync.',
         update=redraw)
+
+    version = EnumProperty(
+        items=blender_syncable_versions,
+        name='Version of Blender from which to pull',
+        description='Version of Blender from which to pull')
+
     message = StringProperty(name='message', update=redraw)
     level = EnumProperty(
         items=[
@@ -47,7 +60,21 @@ class SyncStatusProperties(PropertyGroup):
         assert len(level) == 1, 'level should be a set of one string, not %r' % level
         self.level = level.pop()
         self.message = message
-        log.error('REPORT %s: %s / %s', self, self.level, self.message)
+
+        # Message can also be empty, just to erase it from the GUI.
+        # No need to actually log those.
+        if message:
+            log.log(logging._nameToLevel[self.level], message)
+
+    # List of syncable versions is stored in 'available_blender_versions' ID property,
+    # because I don't know how to store a variable list of strings in a proper RNA property.
+    @property
+    def available_blender_versions(self) -> list:
+        return self.get('available_blender_versions', [])
+
+    @available_blender_versions.setter
+    def available_blender_versions(self, new_versions):
+        self['available_blender_versions'] = new_versions
 
 
 class BlenderCloudPreferences(AddonPreferences):
@@ -101,31 +128,28 @@ class BlenderCloudPreferences(AddonPreferences):
             help_text = ('To logout or change profile, '
                          'go to the Blender ID add-on preferences.')
 
-        sub = layout.column(align=True)
+        # Authentication stuff
-        sub.label(text=text, icon=icon)
+        auth_box = layout.box()
+        auth_box.label(text=text, icon=icon)
 
         help_lines = textwrap.wrap(help_text, 80)
         for line in help_lines:
-            sub.label(text=line)
+            auth_box.label(text=line)
+        auth_box.operator("pillar.credentials_update")
 
-        sub = layout.column()
+        # Texture browser stuff
+        texture_box = layout.box()
+        texture_box.enabled = icon != 'ERROR'
+        sub = texture_box.column()
         sub.label(text='Local directory for downloaded textures')
         sub.prop(self, "local_texture_dir", text='Default')
         sub.prop(context.scene, "local_texture_dir", text='Current scene')
 
-        # options for Pillar
+        # Blender Sync stuff
-        sub = layout.column()
-        sub.enabled = icon != 'ERROR'
-
-        # TODO: let users easily pick a project. For now, we just use the
-        # hard-coded server URL and UUID of the textures project.
-        # sub.prop(self, "pillar_server")
-        # sub.prop(self, "project_uuid")
-        sub.operator("pillar.credentials_update")
-
         bss = context.window_manager.blender_sync_status
-        col = layout.column()
+        bsync_box = layout.box()
-        row = col.row()
+        bsync_box.enabled = icon != 'ERROR'
+        row = bsync_box.row().split(percentage=0.33)
         row.label('Blender Sync')
 
         icon_for_level = {
@@ -134,25 +158,39 @@ class BlenderCloudPreferences(AddonPreferences):
             'ERROR': 'ERROR',
         }
         message_container = row.row()
-        message_container.label(bss.message or '-idle-', icon=icon_for_level[bss.level])
+        message_container.label(bss.message, icon=icon_for_level[bss.level])
-        # message_container.enabled = bool(bss.message)
         message_container.alert = True  # bss.level in {'WARNING', 'ERROR'}
 
-        sub = col.column()
+        sub = bsync_box.column()
         sub.enabled = bss.status in {'NONE', 'IDLE'}
 
-        row = sub.row()
+        buttons = sub.column()
-        row.operator('pillar.sync', text='Refresh', icon='FILE_REFRESH').action = 'REFRESH'
+        row_buttons = buttons.row().split(percentage=0.5)
-        row.operator('pillar.sync', text='To Cloud').action = 'PUSH'
+        row_pull = row_buttons.row(align=True)
+        row_push = row_buttons.row()
 
-        if 'available_blender_versions' in bss:
+        row_push.operator('pillar.sync',
-            for version in bss['available_blender_versions']:
+                          text='Save %i.%i settings to Cloud' % bpy.app.version[:2],
-                props = sub.operator('pillar.sync', icon='FILE_REFRESH',
+                          icon='TRIA_UP').action = 'PUSH'
-                                     text='From Cloud %s' % version)
+
+        versions = bss.available_blender_versions
+        version = bss.version
+        if bss.status in {'NONE', 'IDLE'}:
+            if not versions or not version:
+                row_pull.operator('pillar.sync',
+                                  text='Find version to load from Cloud',
+                                  icon='TRIA_DOWN').action = 'REFRESH'
+            else:
+                props = row_pull.operator('pillar.sync',
+                                          text='Load %s settings from Cloud' % version,
+                                          icon='TRIA_DOWN')
                 props.action = 'PULL'
                 props.blender_version = version
-
+                row_pull.operator('pillar.sync',
-        # sub.prop(bss, 'level')
+                                  text='',
+                                  icon='DOTSDOWN').action = 'SELECT'
+        else:
+            row_pull.label('Cloud Sync is running.')
 
 
 class PillarCredentialsUpdate(Operator):

blender_cloud/settings_sync.py

@@ -1,4 +1,3 @@
-
 """Synchronises settings & startup file with the Cloud.
 Caching is disabled on many PillarSDK calls, as synchronisation can happen
 rapidly between multiple machines. This means that information can be outdated
@@ -66,6 +65,7 @@ def async_set_blender_sync_status(set_status: str):
                 bss.status = 'IDLE'
 
         return wrapper
+
     return decorator
 
 
@@ -240,7 +240,6 @@ async def available_blender_versions(home_project_id: str, user_id: str) -> list
 
     if sync_group is None:
         bss.report({'ERROR'}, 'No synced Blender settings in your home project')
-        log.warning('No synced Blender settings in your home project')
         log.debug('-- unable to find sync group for home_project_id=%r and user_id=%r',
                   home_project_id, user_id)
         return []
@@ -259,13 +258,12 @@ async def available_blender_versions(home_project_id: str, user_id: str) -> list
 
     if not sync_nodes or not sync_nodes._items:
         bss.report({'ERROR'}, 'No synced Blender settings in your home project')
-        log.warning('No synced Blender settings in your home project')
         return []
 
-    versions = sync_nodes._items
+    versions = [node.name for node in sync_nodes._items]
-    log.info('Versions: %s', versions)
+    log.debug('Versions: %s', versions)
 
-    return [node.name for node in versions]
+    return versions
 
 
 # noinspection PyAttributeOutsideInit
@@ -285,6 +283,7 @@ class PILLAR_OT_sync(pillar.PillarOperatorMixin,
             ('PUSH', 'Push', 'Push settings to the Blender Cloud'),
             ('PULL', 'Pull', 'Pull settings from the Blender Cloud'),
             ('REFRESH', 'Refresh', 'Refresh available versions'),
+            ('SELECT', 'Select', 'Select version to sync'),
         ],
         name='action')
 
@@ -297,10 +296,11 @@ class PILLAR_OT_sync(pillar.PillarOperatorMixin,
         bss.report(level, message)
 
     def invoke(self, context, event):
-        self.log.info('at invoke: self = %r', self)
+        if self.action == 'SELECT':
+            # Synchronous action
+            return self.action_select(context)
 
-        self.log.info('Pulling from Blender %s', self.blender_version)
+        if self.action in {'PUSH', 'PULL'} and not self.blender_version:
-        if not self.blender_version:
             self.bss_report({'ERROR'}, 'No Blender version to sync for was given.')
             return {'CANCELLED'}
 
@@ -310,11 +310,47 @@ class PILLAR_OT_sync(pillar.PillarOperatorMixin,
         self._new_async_task(self.async_execute(context))
         return {'RUNNING_MODAL'}
 
+    def action_select(self, context):
+        """Allows selection of the Blender version to use.
+
+        This is a synchronous action, as it requires a dialog box.
+        """
+
+        self.log.info('Performing action SELECT')
+
+        # Do a refresh before we can show the dropdown.
+        fut = asyncio.ensure_future(self.async_execute(context, action_override='REFRESH'))
+        loop = asyncio.get_event_loop()
+        loop.run_until_complete(fut)
+
+        self._state = 'SELECTING'
+        return context.window_manager.invoke_props_dialog(self)
+
+    def draw(self, context):
+        bss = bpy.context.window_manager.blender_sync_status
+        self.layout.prop(bss, 'version')
+
+    def execute(self, context):
+        if self.action != 'SELECT':
+            log.debug('Ignoring execute() for action %r', self.action)
+            return {'FINISHED'}
+
+        log.debug('Performing execute() for action %r', self.action)
+        # Perform the sync when the user closes the dialog box.
+        bss = bpy.context.window_manager.blender_sync_status
+        bpy.ops.pillar.sync('INVOKE_DEFAULT',
+                            action='PULL',
+                            blender_version=bss.version)
+
+        return {'FINISHED'}
+
     @async_set_blender_sync_status('SYNCING')
-    async def async_execute(self, context):
+    async def async_execute(self, context, *, action_override=None):
         """Entry point of the asynchronous operator."""
 
-        self.bss_report({'INFO'}, 'Synchronizing settings %s with Blender Cloud' % self.action)
+        action = action_override or self.action
+        self.bss_report({'INFO'}, 'Communicating with Blender Cloud')
+        self.log.info('Performing action %s', action)
 
         try:
             self.user_id = await self.check_credentials(context)
@@ -335,8 +371,8 @@ class PILLAR_OT_sync(pillar.PillarOperatorMixin,
                                                        may_create=may_create)
                 self.sync_group_id = gid
                 self.sync_group_versioned_id = subgid
-                self.log.info('Found top-level group node ID: %s', self.sync_group_id)
+                self.log.debug('Found top-level group node ID: %s', self.sync_group_id)
-                self.log.info('Found group node ID for %s: %s',
+                self.log.debug('Found group node ID for %s: %s',
                                self.blender_version, self.sync_group_versioned_id)
             except sdk_exceptions.ForbiddenAccess:
                 self.log.exception('Unable to find Group ID')
@@ -345,12 +381,12 @@ class PILLAR_OT_sync(pillar.PillarOperatorMixin,
                 return
 
             # Perform the requested action.
-            action = {
+            action_method = {
                 'PUSH': self.action_push,
                 'PULL': self.action_pull,
                 'REFRESH': self.action_refresh,
-            }[self.action]
+            }[action]
-            await action(context)
+            await action_method(context)
         except Exception as ex:
             self.log.exception('Unexpected exception caught.')
             self.bss_report({'ERROR'}, 'Unexpected error: %s' % ex)
@@ -378,17 +414,12 @@ class PILLAR_OT_sync(pillar.PillarOperatorMixin,
                                        self.user_id,
                                        future=self.signalling_future)
 
+        await self.action_refresh(context)
         self.bss_report({'INFO'}, 'Settings pushed to Blender Cloud.')
 
     async def action_pull(self, context):
         """Loads files from the Pillar server."""
 
-        # Refuse to start if the file hasn't been saved.
-        if context.blend_data.is_dirty:
-            self.bss_report({'ERROR'}, 'Please save your Blend file before pulling'
-                                   ' settings from the Blender Cloud.')
-            return
-
         # If the sync group node doesn't exist, offer a list of groups that do.
         if self.sync_group_id is None:
             self.bss_report({'ERROR'}, 'There are no synced Blender settings in your home project.')
@@ -405,7 +436,6 @@ class PILLAR_OT_sync(pillar.PillarOperatorMixin,
                 await self.download_settings_file(fname, tempdir)
 
         self.bss_report({'WARNING'}, 'Settings pulled from Cloud, restart Blender to load them.')
-        self.log.info('at end: self = %r', self)
 
     async def action_refresh(self, context):
         self.bss_report({'INFO'}, 'Refreshing available Blender versions.')
@@ -416,11 +446,10 @@ class PILLAR_OT_sync(pillar.PillarOperatorMixin,
 
         versions = await available_blender_versions(self.home_project_id, self.user_id)
         bss = bpy.context.window_manager.blender_sync_status
-        bss['available_blender_versions'] = versions
+        bss.available_blender_versions = versions
 
         self.bss_report({'INFO'}, '')
 
-
     async def download_settings_file(self, fname: str, temp_dir: str):
         config_dir = pathlib.Path(bpy.utils.user_resource('CONFIG'))
         meta_path = cache.cache_directory('home-project', 'blender-sync')