Prevent double map types in the filename.

We can now list all available projects, so there is no need to warn.

blender_cloud/__init__.py

@@ -21,7 +21,7 @@
 bl_info = {
     'name': 'Blender Cloud Texture Browser',
     'author': 'Sybren A. Stüvel and Francesco Siddi',
-    'version': (1, 0, 1),
+    'version': (1, 1, 0),
     'blender': (2, 77, 0),
     'location': 'Ctrl+Shift+Alt+A anywhere',
     'description': 'Allows downloading of textures from the Blender Cloud. Requires '

blender_cloud/blender.py

@@ -30,14 +30,6 @@ class BlenderCloudPreferences(AddonPreferences):
         get=lambda self: PILLAR_SERVER_URL
     )
 
-    # TODO: Move to the Scene properties?
-    project_uuid = bpy.props.StringProperty(
-        name='Project UUID',
-        description='UUID of the current Blender Cloud project',
-        default='5672beecc0261b2005ed1a33',
-        get=lambda self: '5672beecc0261b2005ed1a33'
-    )
-
     local_texture_dir = StringProperty(
         name='Default Blender Cloud texture storage directory',
         subtype='DIR_PATH',
@@ -152,16 +144,12 @@ def register():
     bpy.utils.register_class(BlenderCloudPreferences)
     bpy.utils.register_class(PillarCredentialsUpdate)
 
-    WindowManager.blender_cloud_project = StringProperty(
-        name="Blender Cloud project UUID",
-        default='5672beecc0261b2005ed1a33')  # TODO: don't hard-code this
-
-    WindowManager.blender_cloud_node = StringProperty(
-        name="Blender Cloud node UUID",
-        default='')  # empty == top-level of project
-
     addon_prefs = preferences()
 
+    WindowManager.last_blender_cloud_location = StringProperty(
+        name="Last Blender Cloud browser location",
+        default="/")
+
     def default_if_empty(scene, context):
         """The scene's local_texture_dir, if empty, reverts to the addon prefs."""
 

blender_cloud/gui.py

@@ -44,13 +44,27 @@ library_path = '/tmp'
 library_icons_path = os.path.join(os.path.dirname(__file__), "icons")
 
 
-class UpNode(pillarsdk.Node):
+class SpecialFolderNode(pillarsdk.Node):
+    pass
+
+
+class UpNode(SpecialFolderNode):
     def __init__(self):
         super().__init__()
         self['_id'] = 'UP'
         self['node_type'] = 'UP'
 
 
+class ProjectNode(SpecialFolderNode):
+    def __init__(self, project):
+        super().__init__()
+
+        assert isinstance(project, pillarsdk.Project), 'wrong type for project: %r' % type(project)
+
+        self.merge(project.to_dict())
+        self['node_type'] = 'PROJECT'
+
+
 class MenuItem:
     """GUI menu item for the 3D View GUI."""
 
@@ -66,19 +80,30 @@ class MenuItem:
         'SPINNER': os.path.join(library_icons_path, 'spinner.png'),
     }
 
-    SUPPORTED_NODE_TYPES = {'UP', 'group_texture', 'texture'}
+    SUPPORTED_NODE_TYPES = {'UP', 'PROJECT', 'group_texture', 'texture'}
 
     def __init__(self, node, file_desc, thumb_path: str, label_text):
+        self.log = logging.getLogger('%s.MenuItem' % __name__)
         if node['node_type'] not in self.SUPPORTED_NODE_TYPES:
+            self.log.info('Invalid node type in node: %s', node)
             raise TypeError('Node of type %r not supported; supported are %r.' % (
-                node.group_texture, self.SUPPORTED_NODE_TYPES))
+                node['node_type'], self.SUPPORTED_NODE_TYPES))
 
+        assert isinstance(node, pillarsdk.Node), 'wrong type for node: %r' % type(node)
+        assert isinstance(node['_id'], str), 'wrong type for node["_id"]: %r' % type(node['_id'])
         self.node = node  # pillarsdk.Node, contains 'node_type' key to indicate type
         self.file_desc = file_desc  # pillarsdk.File object, or None if a 'folder' node.
         self.label_text = label_text
         self._thumb_path = ''
         self.icon = None
-        self._is_folder = node['node_type'] == 'group_texture' or isinstance(node, UpNode)
+        self._is_folder = (node['node_type'] == 'group_texture' or
+                           isinstance(node, SpecialFolderNode))
+
+        # Determine sorting order.
+        # by default, sort all the way at the end and folders first.
+        self._order = 0 if self._is_folder else 10000
+        if node and node.properties and node.properties.order is not None:
+            self._order = node.properties.order
 
         self.thumb_path = thumb_path
 
@@ -88,6 +113,10 @@ class MenuItem:
         self.width = 0
         self.height = 0
 
+    def sort_key(self):
+        """Key for sorting lists of MenuItems."""
+        return self._order, self.label_text
+
     @property
     def thumb_path(self) -> str:
         return self._thumb_path
@@ -184,12 +213,10 @@ class BlenderCloudBrowser(bpy.types.Operator):
 
     _state = 'INITIALIZING'
 
-    project_uuid = '5672beecc0261b2005ed1a33'  # Blender Cloud project UUID
+    current_path = pillar.CloudPath('/')
-    node = None  # The Node object we're currently showing, or None if we're at the project top.
+    project_name = ''
-    node_uuid = ''  # Blender Cloud node UUID we're currently showing, i.e. None-safe self.node['_id']
 
     # This contains a stack of Node objects that lead up to the currently browsed node.
-    # This allows us to display the "up" item.
     path_stack = []
 
     async_task = None  # asyncio task for fetching thumbnails
@@ -198,7 +225,6 @@ class BlenderCloudBrowser(bpy.types.Operator):
     log = logging.getLogger('%s.BlenderCloudBrowser' % __name__)
 
     _menu_item_lock = threading.Lock()
-    current_path = ''
     current_display_content = []
     loaded_images = set()
     thumbnails_cache = ''
@@ -215,9 +241,9 @@ class BlenderCloudBrowser(bpy.types.Operator):
             return {'CANCELLED'}
 
         wm = context.window_manager
-        self.project_uuid = wm.blender_cloud_project
+
-        self.node_uuid = wm.blender_cloud_node
+        self.current_path = pillar.CloudPath(wm.last_blender_cloud_location)
-        self.path_stack = []
+        self.path_stack = []  # list of nodes that make up the current path.
 
         self.thumbnails_cache = cache.cache_directory('thumbnails')
         self.mouse_x = event.mouse_x
@@ -239,7 +265,7 @@ class BlenderCloudBrowser(bpy.types.Operator):
 
         context.window.cursor_modal_set('DEFAULT')
         context.window_manager.modal_handler_add(self)
-        self.timer = context.window_manager.event_timer_add(1 / 30, context.window)
+        self.timer = context.window_manager.event_timer_add(1 / 15, context.window)
 
         return {'RUNNING_MODAL'}
 
@@ -295,6 +321,7 @@ class BlenderCloudBrowser(bpy.types.Operator):
                         # This can happen when the thumbnail information isn't loaded yet.
                         # Just ignore the click for now.
                         # TODO: think of a way to handle this properly.
+                        self.log.debug('Selected item %r has no file_desc', selected)
                         return {'RUNNING_MODAL'}
                     self.handle_item_selection(context, selected)
 
@@ -332,7 +359,7 @@ class BlenderCloudBrowser(bpy.types.Operator):
             self._show_subscribe_screen()
             return
         except pillar.UserNotLoggedInError:
-            self.error('User not logged in on Blender ID.')
+            self.log.error('User not logged in on Blender ID.')
         else:
             self.log.info('Credentials refreshed and ok, browsing assets.')
             await self.async_download_previews()
@@ -353,21 +380,33 @@ class BlenderCloudBrowser(bpy.types.Operator):
         Also keeps track of the current node, so that we know where the "up" button should go.
         """
 
-        # Going up or down?
+        assert isinstance(node, pillarsdk.Node), 'Wrong type %s' % node
-        if self.path_stack and isinstance(node, UpNode):
-            self.log.debug('Going up, pop the stack; pre-pop stack is %r', self.path_stack)
-            node = self.path_stack.pop()
 
+        if isinstance(node, UpNode):
+            # Going up.
+            self.log.debug('Going up to %r', self.current_path)
+            self.current_path = self.current_path.parent
+            if self.path_stack:
+                self.path_stack.pop()
+            if not self.path_stack:
+                self.project_name = ''
         else:
-            # Going down, keep track of where we were (project top-level is None)
+            # Going down, keep track of where we were
-            self.path_stack.append(self.node)
+            if isinstance(node, ProjectNode):
-            self.log.debug('Going up, push the stack; post-push stack is %r', self.path_stack)
+                self.project_name = node['name']
+
+            self.current_path /= node['_id']
+            self.log.debug('Going down to %r', self.current_path)
+            self.path_stack.append(node)
 
-        # Set 'current' to the given node
-        self.node_uuid = node['_id'] if node else None
-        self.node = node
         self.browse_assets()
 
+    @property
+    def node(self):
+        if not self.path_stack:
+            return None
+        return self.path_stack[-1]
+
     def _stop_async_task(self):
         self.log.debug('Stopping async task')
         if self.async_task is None:
@@ -434,6 +473,8 @@ class BlenderCloudBrowser(bpy.types.Operator):
             self.current_display_content.append(menu_item)
             self.loaded_images.add(menu_item.icon.filepath_raw)
 
+        self.sort_menu()
+
         return menu_item
 
     def update_menu_item(self, node, *args) -> MenuItem:
@@ -449,11 +490,23 @@ class BlenderCloudBrowser(bpy.types.Operator):
             else:
                 raise ValueError('Unable to find MenuItem(node_uuid=%r)' % node_uuid)
 
+        self.sort_menu()
+
+    def sort_menu(self):
+        """Sorts the self.current_display_content list."""
+
+        if not self.current_display_content:
+            return
+
+        with self._menu_item_lock:
+            self.current_display_content.sort(key=MenuItem.sort_key)
+
     async def async_download_previews(self):
         self._state = 'BROWSING'
 
         thumbnails_directory = self.thumbnails_cache
         self.log.info('Asynchronously downloading previews to %r', thumbnails_directory)
+        self.log.info('Current BCloud path is %r', self.current_path)
         self.clear_images()
 
         def thumbnail_loading(node, texture_node):
@@ -462,47 +515,56 @@ class BlenderCloudBrowser(bpy.types.Operator):
         def thumbnail_loaded(node, file_desc, thumb_path):
             self.update_menu_item(node, file_desc, thumb_path, file_desc['filename'])
 
-        # Download either by group_texture node UUID or by project UUID (which
+        project_uuid = self.current_path.project_uuid
-        # shows all top-level nodes)
+        node_uuid = self.current_path.node_uuid
-        if self.node_uuid:
-            self.log.debug('Getting subnodes for parent node %r', self.node_uuid)
-            children = await pillar.get_nodes(parent_node_uuid=self.node_uuid,
-                                              node_type='group_textures')
-
-            # Make sure we can go up again.
-            if self.path_stack:
-                self.add_menu_item(UpNode(), None, 'FOLDER', '.. up ..')
-        elif self.project_uuid:
-            self.log.debug('Getting subnodes for project node %r', self.project_uuid)
-            children = await pillar.get_nodes(self.project_uuid, '')
 
+        if node_uuid:
+            # Query for sub-nodes of this node.
+            self.log.debug('Getting subnodes for parent node %r', node_uuid)
+            children = await pillar.get_nodes(parent_node_uuid=node_uuid,
+                                              node_type='group_texture')
+        elif project_uuid:
+            # Query for top-level nodes.
+            self.log.debug('Getting subnodes for project node %r', project_uuid)
+            children = await pillar.get_nodes(project_uuid=project_uuid,
+                                              parent_node_uuid='',
+                                              node_type='group_texture')
         else:
-            # TODO: add "nothing here" icon and trigger re-draw
+            # Query for projects
-            self.log.warning("Not node UUID and no project UUID, I can't do anything!")
+            self.log.debug('No node UUID and no project UUID, listing all projects')
+            children = await pillar.get_texture_projects()
+            for proj_dict in children:
+                self.add_menu_item(ProjectNode(proj_dict), None, 'FOLDER', proj_dict['name'])
             return
 
+        # Make sure we can go up again.
+        self.add_menu_item(UpNode(), None, 'FOLDER', '.. up ..')
+
         # Download all child nodes
-        self.log.debug('Iterating over child nodes of %r', self.node_uuid)
+        self.log.debug('Iterating over child nodes of %r', self.current_path)
         for child in children:
             # print('  - %(_id)s = %(name)s' % child)
+            if child['node_type'] not in MenuItem.SUPPORTED_NODE_TYPES:
+                self.log.debug('Skipping node of type %r', child['node_type'])
+                continue
             self.add_menu_item(child, None, 'FOLDER', child['name'])
 
         # There are only sub-nodes at the project level, no texture nodes,
         # so we won't have to bother looking for textures.
-        if not self.node_uuid:
+        if not node_uuid:
             return
 
-        directory = os.path.join(thumbnails_directory, self.project_uuid, self.node_uuid)
+        directory = os.path.join(thumbnails_directory, project_uuid, node_uuid)
         os.makedirs(directory, exist_ok=True)
 
-        self.log.debug('Fetching texture thumbnails for node %r', self.node_uuid)
+        self.log.debug('Fetching texture thumbnails for node %r', node_uuid)
-        await pillar.fetch_texture_thumbs(self.node_uuid, 's', directory,
+        await pillar.fetch_texture_thumbs(node_uuid, 's', directory,
                                           thumbnail_loading=thumbnail_loading,
                                           thumbnail_loaded=thumbnail_loaded,
                                           future=self.signalling_future)
 
     def browse_assets(self):
-        self.log.debug('Browsing assets at project %r node %r', self.project_uuid, self.node_uuid)
+        self.log.debug('Browsing assets at %r', self.current_path)
         self._new_async_task(self.async_download_previews())
 
     def _new_async_task(self, async_task: asyncio.coroutine, future: asyncio.Future = None):
@@ -539,7 +601,7 @@ class BlenderCloudBrowser(bpy.types.Operator):
         bgl.glColor4f(1.0, 1.0, 1.0, 1.0)
         blf.size(font_id, 20, 72)
         blf.position(font_id, 5, 5, 0)
-        blf.draw(font_id, self._state)
+        blf.draw(font_id, '%s %s' % (self._state, self.project_name))
         bgl.glDisable(bgl.GL_BLEND)
 
     @staticmethod
@@ -686,11 +748,13 @@ class BlenderCloudBrowser(bpy.types.Operator):
     def handle_item_selection(self, context, item: MenuItem):
         """Called when the user clicks on a menu item that doesn't represent a folder."""
 
+        from pillarsdk.utils import sanitize_filename
+
         self.clear_images()
         self._state = 'DOWNLOADING_TEXTURE'
 
-        node_path_components = [node['name'] for node in self.path_stack if node is not None]
+        node_path_components = (node['name'] for node in self.path_stack if node is not None)
-        local_path_components = [self.project_uuid] + node_path_components + [self.node['name']]
+        local_path_components = [sanitize_filename(comp) for comp in node_path_components]
 
         top_texture_directory = bpy.path.abspath(context.scene.local_texture_dir)
         local_path = os.path.join(top_texture_directory, *local_path_components)

blender_cloud/pillar.py

@@ -63,6 +63,8 @@ class CloudPath(pathlib.PurePosixPath):
     @property
     def project_uuid(self) -> str:
         assert self.parts[0] == '/'
+        if len(self.parts) <= 1:
+            return None
         return self.parts[1]
 
     @property
@@ -72,11 +74,10 @@ class CloudPath(pathlib.PurePosixPath):
 
     @property
     def node_uuid(self) -> str:
-        node_uuids = self.node_uuids
+        if len(self.parts) <= 2:
-
-        if not node_uuids:
             return None
-        return node_uuids[-1]
+
+        return self.parts[-1]
 
 
 @contextmanager
@@ -178,7 +179,7 @@ async def check_pillar_credentials():
 
     try:
         db_user = await pillar_call(pillarsdk.User.find, pillar_user_id)
-    except pillarsdk.UnauthorizedAccess:
+    except (pillarsdk.UnauthorizedAccess, pillarsdk.ResourceNotFound):
         raise CredentialsNotSyncedError()
 
     roles = db_user.roles
@@ -207,7 +208,11 @@ async def refresh_pillar_credentials():
 
     # Create a subclient token and send it to Pillar.
     # May raise a blender_id.BlenderIdCommError
+    try:
         blender_id.create_subclient_token(SUBCLIENT_ID, pillar_endpoint)
+    except blender_id.communication.BlenderIdCommError as ex:
+        log.warning("Unable to create authentication token: %s", ex)
+        raise CredentialsNotSyncedError()
 
     # Test the new URL
     _pillar_api = None
@@ -231,7 +236,7 @@ async def get_project_uuid(project_url: str) -> str:
 
 
 async def get_nodes(project_uuid: str = None, parent_node_uuid: str = None,
-                    node_type: str = None) -> list:
+                    node_type = None) -> list:
     """Gets nodes for either a project or given a parent node.
 
     @param project_uuid: the UUID of the project, or None if only querying by parent_node_uuid.
@@ -256,7 +261,10 @@ async def get_nodes(project_uuid: str = None, parent_node_uuid: str = None,
         where['project'] = project_uuid
 
     if node_type:
+        if isinstance(node_type, str):
             where['node_type'] = node_type
+        else:
+            where['node_type'] = {'$in': node_type}
 
     children = await pillar_call(pillarsdk.Node.all, {
         'projection': {'name': 1, 'parent': 1, 'node_type': 1,
@@ -264,12 +272,24 @@ async def get_nodes(project_uuid: str = None, parent_node_uuid: str = None,
                        'properties.files': 1,
                        'properties.content_type': 1, 'picture': 1},
         'where': where,
-        'sort': 'properties.order',
         'embed': ['parent']})
 
     return children['_items']
 
 
+async def get_texture_projects() -> list:
+    """Returns project dicts that contain textures."""
+
+    try:
+        children = await pillar_call(pillarsdk.Project.all_from_endpoint,
+                                     '/bcloud/texture-libraries')
+    except pillarsdk.ResourceNotFound as ex:
+        log.warning('Unable to find texture projects: %s', ex)
+        raise PillarError('Unable to find texture projects: %s' % ex)
+
+    return children['_items']
+
+
 async def download_to_file(url, filename, *,
                            header_store: str,
                            chunk_size=100 * 1024,
@@ -381,7 +401,7 @@ async def fetch_thumbnail_info(file: pillarsdk.File, directory: str, desired_siz
         finished.
     """
 
-    thumb_link = await pillar_call(file.thumbnail_file, desired_size)
+    thumb_link = await pillar_call(file.thumbnail, desired_size)
 
     if thumb_link is None:
         raise ValueError("File {} has no thumbnail of size {}"
@@ -453,8 +473,22 @@ async def download_texture_thumbnail(texture_node, desired_size: str,
 
     loop = asyncio.get_event_loop()
 
-    # Find the File that belongs to this texture node
+    # Find out which file to use for the thumbnail picture.
-    pic_uuid = texture_node['picture']
+    pic_uuid = texture_node.picture
+    if not pic_uuid:
+        # Fall back to the first texture file, if it exists.
+        log.debug('Node %r does not have a picture, falling back to first file.',
+                  texture_node['_id'])
+        files = texture_node.properties and texture_node.properties.files
+        if not files:
+            log.info('Node %r does not have a picture nor files, skipping.', texture_node['_id'])
+            return
+        pic_uuid = files[0].file
+        if not pic_uuid:
+            log.info('Node %r does not have a picture nor files, skipping.', texture_node['_id'])
+            return
+
+    # Load the File that belongs to this texture node's picture.
     loop.call_soon_threadsafe(thumbnail_loading, texture_node, texture_node)
     file_desc = await pillar_call(pillarsdk.File.find, pic_uuid, params={
         'projection': {'filename': 1, 'variations': 1, 'width': 1, 'height': 1},
@@ -509,8 +543,13 @@ async def download_file_by_uuid(file_uuid,
     metadata_file = os.path.join(metadata_directory, 'files', '%s.json' % file_uuid)
     save_as_json(file_desc, metadata_file)
 
-    file_path = os.path.join(target_directory,
+    root, ext = os.path.splitext(file_desc['filename'])
-                             sanitize_filename('%s-%s' % (map_type, file_desc['filename'])))
+    if root.endswith(map_type):
+        target_filename = '%s%s' % (root, ext)
+    else:
+        target_filename = '%s-%s%s' % (root, map_type, ext)
+
+    file_path = os.path.join(target_directory, sanitize_filename(target_filename))
     file_url = file_desc['link']
     # log.debug('Texture %r:\n%s', file_uuid, pprint.pformat(file_desc.to_dict()))
     loop.call_soon_threadsafe(file_loading, file_path, file_desc)

blender_cloud/wheels/__init__.py

@@ -18,8 +18,9 @@ def load_wheel(module_name, fname_prefix):
 
     try:
         module = __import__(module_name)
-    except ImportError:
+    except ImportError as ex:
-        pass
+        log.debug('Unable to import %s directly, will try wheel: %s',
+                  module_name, ex)
     else:
         log.debug('Was able to load %s from %s, no need to load wheel %s',
                   module_name, module.__file__, fname_prefix)

requirements.txt

@@ -1,7 +1,7 @@
 # Primary requirements:
 CacheControl==0.11.6
 lockfile==0.12.2
-pillarsdk==1.1.2
+pillarsdk==1.2.0
 wheel==0.29.0
 
 # Secondary requirements:

setup.py

@@ -173,7 +173,7 @@ setup(
               'wheels': BuildWheels},
     name='blender_cloud',
     description='The Blender Cloud addon allows browsing the Blender Cloud from Blender.',
-    version='1.0.1',
+    version='1.1.0',
     author='Sybren A. Stüvel',
     author_email='sybren@stuvel.eu',
     packages=find_packages('.'),