Bumped version to 1.6.0

If you want to re-render frames, delete them first, then reschedule
the render task.

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, 99999),
+    'version': (1, 6, 0),
     '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

@@ -390,9 +390,13 @@ class BlenderCloudPreferences(AddonPreferences):
 
         path_box = job_output_box.row(align=True)
         output_path = render_output_path(context)
+        if output_path:
             path_box.label(str(output_path))
             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')
 

blender_cloud/flamenco/__init__.py

@@ -128,24 +128,13 @@ class FLAMENCO_OT_render(async_loop.AsyncModalOperatorMixin,
         if not await self.authenticate(context):
             return
 
-        from pillarsdk import exceptions as sdk_exceptions
         from ..blender import preferences
 
         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.
-        scene.render.use_file_extension = True
-
-        # 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.
         context.window_manager.flamenco_status = 'PACKING'
-        filepath = Path(context.blend_data.filepath).with_suffix('.flamenco.blend')
+        filepath = await self._save_blendfile(context)
-        self.log.info('Saving copy to temporary file %s', filepath)
-        bpy.ops.wm.save_as_mainfile(filepath=str(filepath),
-                                    compress=True,
-                                    copy=True)
 
         # Determine where the render output will be stored.
         render_output = render_output_path(context, filepath)
@@ -165,11 +154,22 @@ class FLAMENCO_OT_render(async_loop.AsyncModalOperatorMixin,
 
         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':
+            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,
@@ -178,7 +178,7 @@ 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
@@ -219,6 +219,43 @@ class FLAMENCO_OT_render(async_loop.AsyncModalOperatorMixin,
 
         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.flamenco_status = 'IDLE'
@@ -395,7 +432,11 @@ def _render_output_path(
     is fast.
     """
 
+    try:
         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 = blend_filepath.parent.relative_to(project_path)
@@ -404,11 +445,18 @@ def _render_output_path(
 
     rel_parts = proj_rel.parts[flamenco_job_output_strip_components:]
     output_top = Path(flamenco_job_output_path)
-    dir_components = output_top.joinpath(*rel_parts) / blend_filepath.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
 
 
@@ -453,9 +501,6 @@ class FLAMENCO_PT_render(bpy.types.Panel):
 
         prefs = preferences()
 
-        layout.prop(context.scene, 'flamenco_render_job_priority')
-        layout.prop(context.scene, 'flamenco_render_chunk_size')
-
         labeled_row = layout.split(0.25, align=True)
         labeled_row.label('Job Type:')
         labeled_row.prop(context.scene, 'flamenco_render_job_type', text='')
@@ -466,6 +511,12 @@ class FLAMENCO_PT_render(bpy.types.Panel):
         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(0.25, align=True)
         labeled_row.label('Storage:')
@@ -500,11 +551,6 @@ class FLAMENCO_PT_render(bpy.types.Panel):
             else:
                 layout.label('Unknown Flamenco status %s' % flamenco_status)
 
-        if not context.scene.render.use_overwrite:
-            warnbox = layout.box().column(align=True)
-            warnbox.label('Please enable "Overwrite" in the Output panel,')
-            warnbox.label('or re-queueing this job might not do anything.')
-
 
 def register():
     from ..utils import redraw
@@ -518,24 +564,34 @@ 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,
@@ -558,7 +614,11 @@ 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:

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='1.5.99999',
+    version='1.6.0',
     author='Sybren A. Stüvel',
     author_email='sybren@stuvel.eu',
     packages=find_packages('.'),