Bumped version to 1.6.1

Thanks to dr. Sharybin for the patch.

blender_cloud/__init__.py

@@ -21,7 +21,7 @@
 bl_info = {
     'name': 'Blender Cloud',
     "author": "Sybren A. Stüvel, Francesco Siddi, Inês Almeida, Antony Riakiotakis",
-    'version': (1, 5, 9999),
+    'version': (1, 6, 1),
     'blender': (2, 77, 0),
     'location': 'Addon Preferences panel, and Ctrl+Shift+Alt+A anywhere for texture browser',
     'description': 'Texture library browser and Blender Sync. Requires the Blender ID addon '

blender_cloud/blender.py

@@ -155,12 +155,12 @@ class BlenderCloudPreferences(AddonPreferences):
     )
 
     local_texture_dir = StringProperty(
-        name='Default Blender Cloud texture storage directory',
+        name='Default Blender Cloud Texture Storage Directory',
         subtype='DIR_PATH',
         default='//textures')
 
     open_browser_after_share = BoolProperty(
-        name='Open browser after sharing file',
+        name='Open Browser after Sharing File',
         description='When enabled, Blender will open a webbrowser',
         default=True
     )
@@ -169,7 +169,7 @@ class BlenderCloudPreferences(AddonPreferences):
     # can switch projects and the local path switches with it.
     attract_project = PointerProperty(type=BlenderCloudProjectGroup)
     attract_project_local_path = StringProperty(
-        name='Local project path',
+        name='Local Project Path',
         description='Local path of your Attract project, used to search for blend files; '
                     'usually best to set to an absolute path',
         subtype='DIR_PATH',
@@ -180,19 +180,19 @@ class BlenderCloudPreferences(AddonPreferences):
     # NOTE: The assumption is that the workers can also find the files in the same path.
     #       This assumption is true for the Blender Institute.
     flamenco_job_file_path = StringProperty(
-        name='Job file path',
+        name='Job File Path',
         description='Path where to store job files, should be accesible for Workers too',
         subtype='DIR_PATH',
         default='/render/_flamenco/storage')
 
     # TODO: before making Flamenco public, change the defaults to something less Institute-specific.
     flamenco_job_output_path = StringProperty(
-        name='Job output path',
+        name='Job Output Path',
         description='Path where to store output files, should be accessible for Workers',
         subtype='DIR_PATH',
         default='/render/_flamenco/output')
     flamenco_job_output_strip_components = IntProperty(
-        name='Job output path strip components',
+        name='Job Output Path Strip Components',
         description='The final output path comprises of the job output path, and the blend file '
                     'path relative to the project with this many path components stripped off '
                     'the front',
@@ -200,6 +200,11 @@ class BlenderCloudPreferences(AddonPreferences):
         default=0,
         soft_max=4,
     )
+    flamenco_open_browser_after_submit = BoolProperty(
+        name='Open Browser after Submitting Job',
+        description='When enabled, Blender will open a webbrowser',
+        default=True
+    )
 
     def draw(self, context):
         import textwrap
@@ -379,15 +384,21 @@ class BlenderCloudPreferences(AddonPreferences):
         props.path = self.flamenco_job_output_path
 
         job_output_box.prop(self, 'flamenco_job_output_strip_components',
-                            text='Strip components')
+                            text='Strip Components')
 
         from .flamenco import render_output_path
 
         path_box = job_output_box.row(align=True)
         output_path = render_output_path(context)
-        path_box.label(str(output_path))
+        if output_path:
-        props = path_box.operator('flamenco.explore_file_path', text='', icon='DISK_DRIVE')
+            path_box.label(str(output_path))
-        props.path = str(output_path.parent)
+            props = path_box.operator('flamenco.explore_file_path', text='', icon='DISK_DRIVE')
+            props.path = str(output_path.parent)
+        else:
+            path_box.label('Blend file is not in your project path, '
+                           'unable to give output path example.')
+
+        flamenco_box.prop(self, 'flamenco_open_browser_after_submit')
 
         # TODO: make a reusable way to select projects, and use that for Attract and Flamenco.
         note_box = flamenco_box.column(align=True)

blender_cloud/flamenco/__init__.py

@@ -128,22 +128,16 @@ class FLAMENCO_OT_render(async_loop.AsyncModalOperatorMixin,
         if not await self.authenticate(context):
             return
 
-        context.window_manager.progress_begin(0, 4)
-        context.window_manager.progress_update(1)
-
-        from pillarsdk import exceptions as sdk_exceptions
         from ..blender import preferences
 
-        filepath = Path(context.blend_data.filepath)
         scene = context.scene
 
-        # The file extension should be determined by the render settings, not necessarily
+        # Save to a different file, specifically for Flamenco.
-        # by the setttings in the output panel.
+        context.window_manager.flamenco_status = 'PACKING'
-        scene.render.use_file_extension = True
+        filepath = await self._save_blendfile(context)
-        bpy.ops.wm.save_mainfile()
 
         # Determine where the render output will be stored.
-        render_output = render_output_path(context)
+        render_output = render_output_path(context, filepath)
         if render_output is None:
             self.report({'ERROR'}, 'Current file is outside of project path.')
             self.quit()
@@ -155,17 +149,31 @@ class FLAMENCO_OT_render(async_loop.AsyncModalOperatorMixin,
         if not outfile:
             return
 
-        context.window_manager.progress_update(3)
-
         # Create the job at Flamenco Server.
         prefs = preferences()
 
+        context.window_manager.flamenco_status = 'COMMUNICATING'
         settings = {'blender_cmd': '{blender}',
-                    'chunk_size': scene.flamenco_render_chunk_size,
+                    'chunk_size': scene.flamenco_render_fchunk_size,
                     'filepath': str(outfile),
                     'frames': scene.flamenco_render_frame_range,
                     'render_output': str(render_output),
                     }
+
+        # Add extra settings specific to the job type
+        if scene.flamenco_render_job_type == 'blender-render-progressive':
+            if scene.cycles.progressive == 'BRANCHED_PATH':
+                samples = scene.cycles.aa_samples
+            else:
+                samples = scene.cycles.samples
+
+            if scene.cycles.use_square_samples:
+                samples **= 2
+
+            settings['cycles_num_chunks'] = scene.flamenco_render_schunk_count
+            settings['cycles_sample_count'] = samples
+            settings['format'] = 'EXR'
+
         try:
             job_info = await create_job(self.user_id,
                                         prefs.attract_project.project,
@@ -174,7 +182,7 @@ class FLAMENCO_OT_render(async_loop.AsyncModalOperatorMixin,
                                         settings,
                                         'Render %s' % filepath.name,
                                         priority=scene.flamenco_render_job_priority)
-        except sdk_exceptions.ResourceInvalid as ex:
+        except Exception as ex:
             self.report({'ERROR'}, 'Error creating Flamenco job: %s' % ex)
             self.quit()
             return
@@ -186,6 +194,25 @@ class FLAMENCO_OT_render(async_loop.AsyncModalOperatorMixin,
             job_info['missing_files'] = [str(mf) for mf in missing_sources]
             json.dump(job_info, outfile, sort_keys=True, indent=4)
 
+        # We can now remove the local copy we made with bpy.ops.wm.save_as_mainfile().
+        # Strictly speaking we can already remove it after the BAM-pack, but it may come in
+        # handy in case of failures.
+        try:
+            self.log.info('Removing temporary file %s', filepath)
+            filepath.unlink()
+        except Exception as ex:
+            self.report({'ERROR'}, 'Unable to remove file: %s' % ex)
+            self.quit()
+            return
+
+        if prefs.flamenco_open_browser_after_submit:
+            import webbrowser
+            from urllib.parse import urljoin
+            from ..blender import PILLAR_WEB_SERVER_URL
+
+            url = urljoin(PILLAR_WEB_SERVER_URL, '/flamenco/jobs/%s/redir' % job_info['_id'])
+            webbrowser.open_new_tab(url)
+
         # Do a final report.
         if missing_sources:
             names = (ms.name for ms in missing_sources)
@@ -193,11 +220,49 @@ class FLAMENCO_OT_render(async_loop.AsyncModalOperatorMixin,
                         '; '.join(names))
         else:
             self.report({'INFO'}, 'Flamenco job created.')
+
         self.quit()
 
+    async def _save_blendfile(self, context):
+        """Save to a different file, specifically for Flamenco.
+
+        We shouldn't overwrite the artist's file.
+        We can compress, since this file won't be managed by SVN and doesn't need diffability.
+        """
+
+        render = context.scene.render
+
+        # Remember settings we need to restore after saving.
+        old_use_file_extension = render.use_file_extension
+        old_use_overwrite = render.use_overwrite
+        old_use_placeholder = render.use_placeholder
+
+        try:
+
+            # The file extension should be determined by the render settings, not necessarily
+            # by the setttings in the output panel.
+            render.use_file_extension = True
+
+            # Rescheduling should not overwrite existing frames.
+            render.use_overwrite = False
+            render.use_placeholder = False
+
+            filepath = Path(context.blend_data.filepath).with_suffix('.flamenco.blend')
+            self.log.info('Saving copy to temporary file %s', filepath)
+            bpy.ops.wm.save_as_mainfile(filepath=str(filepath),
+                                        compress=True,
+                                        copy=True)
+        finally:
+            # Restore the settings we changed, even after an exception.
+            render.use_file_extension = old_use_file_extension
+            render.use_overwrite = old_use_overwrite
+            render.use_placeholder = old_use_placeholder
+
+        return filepath
+
     def quit(self):
         super().quit()
-        bpy.context.window_manager.progress_end()
+        bpy.context.window_manager.flamenco_status = 'IDLE'
 
     async def bam_pack(self, filepath: Path) -> (typing.Optional[Path], typing.List[Path]):
         """BAM-packs the blendfile to the destination directory.
@@ -269,6 +334,8 @@ class FLAMENCO_OT_copy_files(Operator,
         from . import bam_interface
         from ..blender import preferences
 
+        context.window_manager.flamenco_status = 'PACKING'
+
         missing_sources = await bam_interface.bam_copy(
             Path(context.blend_data.filepath),
             Path(preferences().flamenco_job_file_path),
@@ -280,6 +347,10 @@ class FLAMENCO_OT_copy_files(Operator,
 
         self.quit()
 
+    def quit(self):
+        super().quit()
+        bpy.context.window_manager.flamenco_status = 'IDLE'
+
 
 class FLAMENCO_OT_explore_file_path(Operator):
     """Opens the Flamenco job storage path in a file explorer."""
@@ -353,7 +424,7 @@ def is_image_type(render_output_type: str) -> bool:
 @functools.lru_cache(1)
 def _render_output_path(
         local_project_path: str,
-        blend_filepath: str,
+        blend_filepath: Path,
         flamenco_job_output_strip_components: int,
         flamenco_job_output_path: str,
         render_image_format: str,
@@ -365,27 +436,40 @@ def _render_output_path(
     is fast.
     """
 
-    project_path = Path(bpy.path.abspath(local_project_path)).resolve()
+    try:
-    blendfile = Path(blend_filepath)
+        project_path = Path(bpy.path.abspath(local_project_path)).resolve()
+    except FileNotFoundError:
+        # Path.resolve() will raise a FileNotFoundError if the project path doesn't exist.
+        return None
 
     try:
-        proj_rel = blendfile.parent.relative_to(project_path)
+        proj_rel = blend_filepath.parent.relative_to(project_path)
     except ValueError:
         return None
 
     rel_parts = proj_rel.parts[flamenco_job_output_strip_components:]
     output_top = Path(flamenco_job_output_path)
-    dir_components = output_top.joinpath(*rel_parts) / blendfile.stem
+
+    # Strip off '.flamenco' too; we use 'xxx.flamenco.blend' as job file, but
+    # don't want to have all the output paths ending in '.flamenco'.
+    stem = blend_filepath.stem
+    if stem.endswith('.flamenco'):
+        stem = stem[:-9]
+
+    dir_components = output_top.joinpath(*rel_parts) / stem
 
     # Blender will have to append the file extensions by itself.
     if is_image_type(render_image_format):
-        return dir_components / '#####'
+        return dir_components / '######'
     return dir_components / flamenco_render_frame_range
 
 
-def render_output_path(context) -> typing.Optional[PurePath]:
+def render_output_path(context, filepath: Path = None) -> typing.Optional[PurePath]:
     """Returns the render output path to be sent to Flamenco.
 
+    :param context: the Blender context (used to find Flamenco preferences etc.)
+    :param filepath: the Path of the blend file to render, or None for the current file.
+
     Returns None when the current blend file is outside the project path.
     """
 
@@ -394,9 +478,12 @@ def render_output_path(context) -> typing.Optional[PurePath]:
     scene = context.scene
     prefs = preferences()
 
+    if filepath is None:
+        filepath = Path(context.blend_data.filepath)
+
     return _render_output_path(
         prefs.attract_project_local_path,
-        context.blend_data.filepath,
+        filepath,
         prefs.flamenco_job_output_strip_components,
         prefs.flamenco_job_output_path,
         scene.render.image_settings.file_format,
@@ -418,21 +505,24 @@ class FLAMENCO_PT_render(bpy.types.Panel):
 
         prefs = preferences()
 
-        layout.prop(context.scene, 'flamenco_render_job_priority')
+        labeled_row = layout.split(0.25, align=True)
-        layout.prop(context.scene, 'flamenco_render_chunk_size')
+        labeled_row.label('Job Type:')
-
-        labeled_row = layout.split(0.2, align=True)
-        labeled_row.label('Job type:')
         labeled_row.prop(context.scene, 'flamenco_render_job_type', text='')
 
-        labeled_row = layout.split(0.2, align=True)
+        labeled_row = layout.split(0.25, align=True)
-        labeled_row.label('Frame range:')
+        labeled_row.label('Frame Range:')
         prop_btn_row = labeled_row.row(align=True)
         prop_btn_row.prop(context.scene, 'flamenco_render_frame_range', text='')
         prop_btn_row.operator('flamenco.scene_to_frame_range', text='', icon='ARROW_LEFTRIGHT')
 
+        layout.prop(context.scene, 'flamenco_render_job_priority')
+        layout.prop(context.scene, 'flamenco_render_fchunk_size')
+
+        if getattr(context.scene, 'flamenco_render_job_type', None) == 'blender-render-progressive':
+            layout.prop(context.scene, 'flamenco_render_schunk_count')
+
         readonly_stuff = layout.column(align=True)
-        labeled_row = readonly_stuff.split(0.2, align=True)
+        labeled_row = readonly_stuff.split(0.25, align=True)
         labeled_row.label('Storage:')
         prop_btn_row = labeled_row.row(align=True)
         prop_btn_row.label(prefs.flamenco_job_file_path)
@@ -440,10 +530,11 @@ class FLAMENCO_PT_render(bpy.types.Panel):
                                       text='', icon='DISK_DRIVE')
         props.path = prefs.flamenco_job_file_path
 
-        labeled_row = readonly_stuff.split(0.2, align=True)
+        labeled_row = readonly_stuff.split(0.25, align=True)
         labeled_row.label('Output:')
         prop_btn_row = labeled_row.row(align=True)
         render_output = render_output_path(context)
+
         if render_output is None:
             prop_btn_row.label('Unable to render with Flamenco, outside of project directory.')
         else:
@@ -452,17 +543,22 @@ class FLAMENCO_PT_render(bpy.types.Panel):
                                           text='', icon='DISK_DRIVE')
             props.path = str(render_output.parent)
 
-            layout.operator(FLAMENCO_OT_render.bl_idname,
+            flamenco_status = context.window_manager.flamenco_status
-                            text='Render on Flamenco',
+            if flamenco_status == 'IDLE':
-                            icon='RENDER_ANIMATION')
+                layout.operator(FLAMENCO_OT_render.bl_idname,
-
+                                text='Render on Flamenco',
-        if not context.scene.render.use_overwrite:
+                                icon='RENDER_ANIMATION')
-            warnbox = layout.box().column(align=True)
+            elif flamenco_status == 'PACKING':
-            warnbox.label('Please enable "Overwrite" in the Output panel,')
+                layout.label('Flamenco is packing your file + dependencies')
-            warnbox.label('or re-queueing this job might not do anything.')
+            elif flamenco_status == 'COMMUNICATING':
+                layout.label('Communicating with Flamenco Server')
+            else:
+                layout.label('Unknown Flamenco status %s' % flamenco_status)
 
 
 def register():
+    from ..utils import redraw
+
     bpy.utils.register_class(FlamencoManagerGroup)
     bpy.utils.register_class(FLAMENCO_OT_fmanagers)
     bpy.utils.register_class(FLAMENCO_OT_render)
@@ -472,36 +568,61 @@ def register():
     bpy.utils.register_class(FLAMENCO_PT_render)
 
     scene = bpy.types.Scene
-    scene.flamenco_render_chunk_size = IntProperty(
+    scene.flamenco_render_fchunk_size = IntProperty(
-        name='Chunk size',
+        name='Frame Chunk Size',
         description='Maximum number of frames to render per task',
-        default=10,
+        min=1,
+        default=1,
+    )
+    scene.flamenco_render_schunk_count = IntProperty(
+        name='Number of Sample Chunks',
+        description='Number of Cycles samples chunks to use per frame',
+        min=2,
+        default=3,
+        soft_max=10,
     )
     scene.flamenco_render_frame_range = StringProperty(
-        name='Frame range',
+        name='Frame Range',
         description='Frames to render, in "printer range" notation'
     )
     scene.flamenco_render_job_type = EnumProperty(
-        name='Job type',
+        name='Job Type',
         items=[
-            ('blender-render', 'Simple Blender render', 'Not tiled, not resumable, just render'),
+            ('blender-render', 'Simple Render', 'Simple frame-by-frame render'),
-        ],
+            ('blender-render-progressive', 'Progressive Render',
-        description='Flamenco render job type',
+             'Each frame is rendered multiple times with different Cycles sample chunks, then combined'),
+        ]
     )
+
     scene.flamenco_render_job_priority = IntProperty(
-        name='Job priority',
+        name='Job Priority',
         min=0,
         default=50,
         max=100,
         description='Higher numbers mean higher priority'
     )
 
+    bpy.types.WindowManager.flamenco_status = EnumProperty(
+        items=[
+            ('IDLE', 'IDLE', 'Not doing anything.'),
+            ('PACKING', 'PACKING', 'BAM-packing all dependencies.'),
+            ('COMMUNICATING', 'COMMUNICATING', 'Communicating with Flamenco Server.'),
+        ],
+        name='flamenco_status',
+        default='IDLE',
+        description='Current status of the Flamenco add-on',
+        update=redraw)
+
 
 def unregister():
     bpy.utils.unregister_module(__name__)
 
     try:
-        del bpy.types.Scene.flamenco_render_chunk_size
+        del bpy.types.Scene.flamenco_render_fchunk_size
+    except AttributeError:
+        pass
+    try:
+        del bpy.types.Scene.flamenco_render_schunk_count
     except AttributeError:
         pass
     try:
@@ -516,3 +637,7 @@ def unregister():
         del bpy.types.Scene.flamenco_render_job_priority
     except AttributeError:
         pass
+    try:
+        del bpy.types.WindowManager.flamenco_status
+    except AttributeError:
+        pass

blender_cloud/pillar.py

@@ -860,6 +860,13 @@ class AuthenticatedPillarOperatorMixin(PillarOperatorMixin):
             self.report({'ERROR'}, 'Please log in on Blender ID first.')
             self.quit()
             return False
+        except requests.exceptions.ConnectionError:
+            self.log.exception('Error checking pillar credentials.')
+            self.report({'ERROR'}, 'Unable to connect to Blender Cloud, '
+                                   'check your internet connection.')
+            self.quit()
+            return False
+
 
         self.user_id = self.db_user['_id']
         return True

setup.py

@@ -227,7 +227,7 @@ setup(
               'wheels': BuildWheels},
     name='blender_cloud',
     description='The Blender Cloud addon allows browsing the Blender Cloud from Blender.',
-    version='1.5.9999',
+    version='1.6.1',
     author='Sybren A. Stüvel',
     author_email='sybren@stuvel.eu',
     packages=find_packages('.'),