Bumped version to 1.9.4

The drawing is rather primitive, but it works.

CHANGELOG.md

@@ -1,5 +1,22 @@
 # Blender Cloud changelog
 
+
+## Version 1.9.4 (2018-11-01)
+
+- Fixed Python 3.6 and Blender 2.79b incompatibilities accidentally introduced in 1.9.3.
+
+
+## Version 1.9.3 (2018-10-30)
+
+- Fix drawing of Attract strips in the VSE on Blender 2.8.
+
+
+## Version 1.9.2 (2018-09-17)
+
+- No changes, just a different filename to force a refresh on our
+  hosting platform.
+
+
 ## Version 1.9.1 (2018-09-17)
 
 - Fix issue with Python 3.7, which is used by current daily builds of Blender.

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, 9, 2),
+    'version': (1, 9, 4),
     'blender': (2, 80, 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/attract/__init__.py

@@ -48,7 +48,12 @@ if "bpy" in locals():
     async_loop = importlib.reload(async_loop)
     blender = importlib.reload(blender)
 else:
-    from . import draw
+    import bpy
+
+    if bpy.app.version < (2, 80):
+        from . import draw_27 as draw
+    else:
+        from . import draw
     from .. import pillar, async_loop, blender
 
 import bpy
@@ -174,10 +179,11 @@ class AttractPollMixin:
         return attract_is_active
 
 
-class AttractToolsPanel(AttractPollMixin, Panel):
+class ATTRACT_PT_tools(AttractPollMixin, Panel):
     bl_label = 'Attract'
     bl_space_type = 'SEQUENCE_EDITOR'
     bl_region_type = 'UI'
+    bl_category = 'Strip'
 
     def draw_header(self, context):
         strip = active_strip(context)
@@ -189,66 +195,69 @@ class AttractToolsPanel(AttractPollMixin, Panel):
         layout = self.layout
         strip_types = {'MOVIE', 'IMAGE', 'META', 'COLOR'}
 
-        selshots = list(selected_shots(context))
         if strip and strip.type in strip_types and strip.atc_object_id:
-            if len(selshots) > 1:
-                noun = '%i Shots' % len(selshots)
-            else:
-                noun = 'This Shot'
-
-            if strip.atc_object_id_conflict:
-                warnbox = layout.box()
-                warnbox.alert = True
-                warnbox.label(text='Warning: This shot is linked to multiple sequencer strips.',
-                              icon='ERROR')
-
-            layout.prop(strip, 'atc_name', text='Name')
-            layout.prop(strip, 'atc_status', text='Status')
-
-            # Create a special sub-layout for read-only properties.
-            ro_sub = layout.column(align=True)
-            ro_sub.enabled = False
-            ro_sub.prop(strip, 'atc_description', text='Description')
-            ro_sub.prop(strip, 'atc_notes', text='Notes')
-
-            if strip.atc_is_synced:
-                sub = layout.column(align=True)
-                row = sub.row(align=True)
-                if bpy.ops.attract.submit_selected.poll():
-                    row.operator('attract.submit_selected',
-                                 text='Submit %s' % noun,
-                                 icon='TRIA_UP')
-                else:
-                    row.operator(ATTRACT_OT_submit_all.bl_idname)
-                row.operator(AttractShotFetchUpdate.bl_idname,
-                             text='', icon='FILE_REFRESH')
-                row.operator(ATTRACT_OT_shot_open_in_browser.bl_idname,
-                             text='', icon='WORLD')
-                row.operator(ATTRACT_OT_copy_id_to_clipboard.bl_idname,
-                             text='', icon='COPYDOWN')
-                sub.operator(ATTRACT_OT_make_shot_thumbnail.bl_idname,
-                             text='Render Thumbnail for %s' % noun,
-                             icon='RENDER_STILL')
-
-                # Group more dangerous operations.
-                dangerous_sub = layout.split(**blender.factor(0.6), align=True)
-                dangerous_sub.operator('attract.strip_unlink',
-                                       text='Unlink %s' % noun,
-                                       icon='PANEL_CLOSE')
-                dangerous_sub.operator(AttractShotDelete.bl_idname,
-                                       text='Delete %s' % noun,
-                                       icon='CANCEL')
-
+            self._draw_attractstrip_buttons(context, strip)
         elif context.selected_sequences:
             if len(context.selected_sequences) > 1:
                 noun = 'Selected Strips'
             else:
                 noun = 'This Strip'
-            layout.operator(AttractShotSubmitSelected.bl_idname,
+            layout.operator(ATTRACT_OT_submit_selected.bl_idname,
                             text='Submit %s as New Shot' % noun)
             layout.operator('attract.shot_relink')
         else:
             layout.operator(ATTRACT_OT_submit_all.bl_idname)
+        layout.operator(ATTRACT_OT_project_open_in_browser.bl_idname, icon='WORLD')
+
+    def _draw_attractstrip_buttons(self, context, strip):
+        """Draw buttons when selected strips are Attract shots."""
+
+        layout = self.layout
+        selshots = list(selected_shots(context))
+
+        if len(selshots) > 1:
+            noun = '%i Shots' % len(selshots)
+        else:
+            noun = 'This Shot'
+        if strip.atc_object_id_conflict:
+            warnbox = layout.box()
+            warnbox.alert = True
+            warnbox.label(text='Warning: This shot is linked to multiple sequencer strips.',
+                          icon='ERROR')
+        layout.prop(strip, 'atc_name', text='Name')
+        layout.prop(strip, 'atc_status', text='Status')
+        # Create a special sub-layout for read-only properties.
+        ro_sub = layout.column(align=True)
+        ro_sub.enabled = False
+        ro_sub.prop(strip, 'atc_description', text='Description')
+        ro_sub.prop(strip, 'atc_notes', text='Notes')
+        if strip.atc_is_synced:
+            sub = layout.column(align=True)
+            row = sub.row(align=True)
+            if bpy.ops.attract.submit_selected.poll():
+                row.operator('attract.submit_selected',
+                             text='Submit %s' % noun,
+                             icon='TRIA_UP')
+            else:
+                row.operator(ATTRACT_OT_submit_all.bl_idname)
+            row.operator(ATTRACT_OT_shot_fetch_update.bl_idname,
+                         text='', icon='FILE_REFRESH')
+            row.operator(ATTRACT_OT_shot_open_in_browser.bl_idname,
+                         text='', icon='WORLD')
+            row.operator(ATTRACT_OT_copy_id_to_clipboard.bl_idname,
+                         text='', icon='COPYDOWN')
+            sub.operator(ATTRACT_OT_make_shot_thumbnail.bl_idname,
+                         text='Render Thumbnail for %s' % noun,
+                         icon='RENDER_STILL')
+
+            # Group more dangerous operations.
+            dangerous_sub = layout.split(**blender.factor(0.6), align=True)
+            dangerous_sub.operator('attract.strip_unlink',
+                                   text='Unlink %s' % noun,
+                                   icon='PANEL_CLOSE')
+            dangerous_sub.operator(ATTRACT_OT_shot_delete.bl_idname,
+                                   text='Delete %s' % noun,
+                                   icon='CANCEL')
 
 
 class AttractOperatorMixin(AttractPollMixin):
@@ -379,7 +388,7 @@ class AttractOperatorMixin(AttractPollMixin):
         draw.tag_redraw_all_sequencer_editors()
 
 
-class AttractShotFetchUpdate(AttractOperatorMixin, Operator):
+class ATTRACT_OT_shot_fetch_update(AttractOperatorMixin, Operator):
     bl_idname = "attract.shot_fetch_update"
     bl_label = "Fetch Update From Attract"
     bl_description = 'Update status, description & notes from Attract'
@@ -398,7 +407,7 @@ class AttractShotFetchUpdate(AttractOperatorMixin, Operator):
         return {'FINISHED'}
 
 
-class AttractShotRelink(AttractShotFetchUpdate):
+class ATTRACT_OT_shot_relink(AttractOperatorMixin, Operator):
     bl_idname = "attract.shot_relink"
     bl_label = "Relink With Attract"
 
@@ -467,7 +476,7 @@ class ATTRACT_OT_shot_open_in_browser(AttractOperatorMixin, Operator):
         return {'FINISHED'}
 
 
-class AttractShotDelete(AttractOperatorMixin, Operator):
+class ATTRACT_OT_shot_delete(AttractOperatorMixin, Operator):
     bl_idname = 'attract.shot_delete'
     bl_label = 'Delete Shot'
     bl_description = 'Remove this shot from Attract'
@@ -522,7 +531,7 @@ class AttractShotDelete(AttractOperatorMixin, Operator):
         col.prop(self, 'confirm', text="I hereby confirm: delete %s from The Edit." % noun)
 
 
-class AttractStripUnlink(AttractOperatorMixin, Operator):
+class ATTRACT_OT_strip_unlink(AttractOperatorMixin, Operator):
     bl_idname = 'attract.strip_unlink'
     bl_label = 'Unlink Shot From This Strip'
     bl_description = 'Remove Attract props from the selected strip(s)'
@@ -566,7 +575,7 @@ class AttractStripUnlink(AttractOperatorMixin, Operator):
         return {'FINISHED'}
 
 
-class AttractShotSubmitSelected(AttractOperatorMixin, Operator):
+class ATTRACT_OT_submit_selected(AttractOperatorMixin, Operator):
     bl_idname = 'attract.submit_selected'
     bl_label = 'Submit All Selected'
     bl_description = 'Submits all selected strips to Attract'
@@ -906,6 +915,37 @@ class ATTRACT_OT_copy_id_to_clipboard(AttractOperatorMixin, Operator):
         return {'FINISHED'}
 
 
+class ATTRACT_OT_project_open_in_browser(Operator):
+    bl_idname = 'attract.project_open_in_browser'
+    bl_label = 'Open Project in Browser'
+    bl_description = 'Opens a webbrowser to show the project in Attract'
+
+    project_id = bpy.props.StringProperty(name='Project ID', default='')
+
+    def execute(self, context):
+        import webbrowser
+        import urllib.parse
+
+        import pillarsdk
+        from ..pillar import sync_call
+        from ..blender import PILLAR_WEB_SERVER_URL, preferences
+
+        if not self.project_id:
+            self.project_id = preferences().project.project
+
+        project = sync_call(pillarsdk.Project.find, self.project_id, {'projection': {'url': True}})
+
+        if log.isEnabledFor(logging.DEBUG):
+            import pprint
+            log.debug('found project: %s', pprint.pformat(project.to_dict()))
+
+        url = urllib.parse.urljoin(PILLAR_WEB_SERVER_URL, 'attract/' + project.url)
+        webbrowser.open_new_tab(url)
+        self.report({'INFO'}, 'Opened a browser at %s' % url)
+
+        return {'FINISHED'}
+
+
 def draw_strip_movie_meta(self, context):
     strip = active_strip(context)
     if not strip:
@@ -955,7 +995,9 @@ def deactivate():
             pass
 
 
-_rna_classes = [cls for cls in locals() if isinstance(cls, type) and hasattr(cls, 'bl_rna')]
+_rna_classes = [cls for cls in locals().values()
+                if isinstance(cls, type) and cls.__name__.startswith('ATTRACT')]
+log.info('RNA classes:\n%s', '\n'.join([repr(cls) for cls in _rna_classes]))
 
 
 def register():

blender_cloud/attract/draw.py

@@ -18,9 +18,12 @@
 
 # <pep8 compliant>
 
-import bpy
 import logging
-import collections
+import typing
+
+import bpy
+import bgl
+import gpu
 
 log = logging.getLogger(__name__)
 
@@ -34,10 +37,74 @@ strip_status_colour = {
     'todo': (1.0, 0.5019607843137255, 0.5019607843137255)
 }
 
-CONFLICT_COLOUR = (0.576, 0.118, 0.035)  # RGB tuple
+CONFLICT_COLOUR = (0.576, 0.118, 0.035, 1.0)  # RGBA tuple
+
+gpu_vertex_shader = '''
+uniform mat4 ModelViewProjectionMatrix;
+
+layout (location = 0) in vec2 pos;
+layout (location = 1) in vec4 color;
+
+out vec4 lineColor; // output to the fragment shader
+
+void main()
+{
+    gl_Position = ModelViewProjectionMatrix * vec4(pos.x, pos.y, 0.0, 1.0);
+    lineColor = color;
+}
+'''
+
+gpu_fragment_shader = '''
+out vec4 fragColor;
+in vec4 lineColor;
+
+void main()
+{
+    fragColor = lineColor;
+}
+'''
+
+Float2 = typing.Tuple[float, float]
+Float3 = typing.Tuple[float, float, float]
+Float4 = typing.Tuple[float, float, float, float]
 
 
-def get_strip_rectf(strip):
+class AttractLineDrawer:
+
+    def __init__(self):
+        self._format = gpu.types.GPUVertFormat()
+        self._pos_id = self._format.attr_add(
+            id="pos",
+            comp_type="F32",
+            len=2,
+            fetch_mode="FLOAT")
+        self._color_id = self._format.attr_add(
+            id="color",
+            comp_type="F32",
+            len=4,
+            fetch_mode="FLOAT")
+
+        self.shader = gpu.types.GPUShader(gpu_vertex_shader, gpu_fragment_shader)
+
+    def draw(self,
+             coords: typing.List[Float2],
+             colors: typing.List[Float4]):
+        if not coords:
+            return
+
+        bgl.glEnable(bgl.GL_BLEND)
+        bgl.glLineWidth(2.0)
+
+        vbo = gpu.types.GPUVertBuf(len=len(coords), format=self._format)
+        vbo.attr_fill(id=self._pos_id, data=coords)
+        vbo.attr_fill(id=self._color_id, data=colors)
+
+        batch = gpu.types.GPUBatch(type="LINES", buf=vbo)
+        batch.program_set(self.shader)
+        batch.draw()
+
+
+def get_strip_rectf(strip) -> Float4:
     # Get x and y in terms of the grid's frames and channels
     x1 = strip.frame_final_start
     x2 = strip.frame_final_end
@@ -47,59 +114,56 @@ def get_strip_rectf(strip):
     return x1, y1, x2, y2
 
 
-def draw_underline_in_strip(strip_coords, pixel_size_x, color):
-    from bgl import glColor4f, glRectf, glEnable, glDisable, GL_BLEND
-    import bgl
-
-    context = bpy.context
-
+def underline_in_strip(strip_coords: Float4,
+                       pixel_size_x: float,
+                       color: Float4,
+                       out_coords: typing.List[Float2],
+                       out_colors: typing.List[Float4]):
     # Strip coords
     s_x1, s_y1, s_x2, s_y2 = strip_coords
 
     # be careful not to draw over the current frame line
-    cf_x = context.scene.frame_current_final
+    cf_x = bpy.context.scene.frame_current_final
 
-    bgl.glPushAttrib(bgl.GL_COLOR_BUFFER_BIT | bgl.GL_LINE_BIT)
+    # TODO(Sybren): figure out how to pass one colour per line,
+    # instead of one colour per vertex.
+    out_coords.append((s_x1, s_y1))
+    out_colors.append(color)
 
-    glColor4f(*color)
-    glEnable(GL_BLEND)
-    bgl.glLineWidth(2)
-    bgl.glBegin(bgl.GL_LINES)
-
-    bgl.glVertex2f(s_x1, s_y1)
     if s_x1 < cf_x < s_x2:
-        # Bad luck, the line passes our strip
-        bgl.glVertex2f(cf_x - pixel_size_x, s_y1)
-        bgl.glVertex2f(cf_x + pixel_size_x, s_y1)
-    bgl.glVertex2f(s_x2, s_y1)
+        # Bad luck, the line passes our strip, so draw two lines.
+        out_coords.append((cf_x - pixel_size_x, s_y1))
+        out_colors.append(color)
 
-    bgl.glEnd()
-    bgl.glPopAttrib()
+        out_coords.append((cf_x + pixel_size_x, s_y1))
+        out_colors.append(color)
+
+    out_coords.append((s_x2, s_y1))
+    out_colors.append(color)
 
 
-def draw_strip_conflict(strip_coords, pixel_size_x):
+def strip_conflict(strip_coords: Float4,
+                   out_coords: typing.List[Float2],
+                   out_colors: typing.List[Float4]):
     """Draws conflicting states between strips."""
 
-    import bgl
-
     s_x1, s_y1, s_x2, s_y2 = strip_coords
-    bgl.glPushAttrib(bgl.GL_COLOR_BUFFER_BIT | bgl.GL_LINE_BIT)
 
-    # Always draw the full rectangle, the conflict should be resolved and thus stand out.
-    bgl.glColor3f(*CONFLICT_COLOUR)
-    bgl.glLineWidth(2)
+    # TODO(Sybren): draw a rectangle instead of a line.
+    out_coords.append((s_x1, s_y2))
+    out_colors.append(CONFLICT_COLOUR)
 
-    bgl.glBegin(bgl.GL_LINE_LOOP)
-    bgl.glVertex2f(s_x1, s_y1)
-    bgl.glVertex2f(s_x2, s_y1)
-    bgl.glVertex2f(s_x2, s_y2)
-    bgl.glVertex2f(s_x1, s_y2)
-    bgl.glEnd()
+    out_coords.append((s_x2, s_y1))
+    out_colors.append(CONFLICT_COLOUR)
 
-    bgl.glPopAttrib()
+    out_coords.append((s_x2, s_y2))
+    out_colors.append(CONFLICT_COLOUR)
+
+    out_coords.append((s_x1, s_y1))
+    out_colors.append(CONFLICT_COLOUR)
 
 
-def draw_callback_px():
+def draw_callback_px(line_drawer: AttractLineDrawer):
     context = bpy.context
 
     if not context.scene.sequence_editor:
@@ -115,6 +179,10 @@ def draw_callback_px():
 
     strips = shown_strips(context)
 
+    coords = []  # type: typing.List[Float2]
+    colors = []  # type: typing.List[Float4]
+
+    # Collect all the lines (vertex coords + vertex colours) to draw.
     for strip in strips:
         if not strip.atc_object_id:
             continue
@@ -124,7 +192,7 @@ def draw_callback_px():
 
         # check if any of the coordinates are out of bounds
         if strip_coords[0] > xwin2 or strip_coords[2] < xwin1 or strip_coords[1] > ywin2 or \
-                        strip_coords[3] < ywin1:
+                strip_coords[3] < ywin1:
             continue
 
         # Draw
@@ -136,9 +204,11 @@ def draw_callback_px():
 
         alpha = 1.0 if strip.atc_is_synced else 0.5
 
-        draw_underline_in_strip(strip_coords, pixel_size_x, color + (alpha,))
+        underline_in_strip(strip_coords, pixel_size_x, color + (alpha,), coords, colors)
         if strip.atc_is_synced and strip.atc_object_id_conflict:
-            draw_strip_conflict(strip_coords, pixel_size_x)
+            strip_conflict(strip_coords, coords, colors)
+
+    line_drawer.draw(coords, colors)
 
 
 def tag_redraw_all_sequencer_editors():
@@ -162,8 +232,9 @@ def callback_enable():
     if cb_handle:
         return
 
+    line_drawer = AttractLineDrawer()
     cb_handle[:] = bpy.types.SpaceSequenceEditor.draw_handler_add(
-        draw_callback_px, (), 'WINDOW', 'POST_VIEW'),
+        draw_callback_px, (line_drawer,), 'WINDOW', 'POST_VIEW'),
 
     tag_redraw_all_sequencer_editors()
 

blender_cloud/attract/draw_27.py

@@ -0,0 +1,182 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+# <pep8 compliant>
+
+import bpy
+import logging
+import collections
+
+log = logging.getLogger(__name__)
+
+strip_status_colour = {
+    None: (0.7, 0.7, 0.7),
+    'approved': (0.6392156862745098, 0.8784313725490196, 0.30196078431372547),
+    'final': (0.9058823529411765, 0.9607843137254902, 0.8274509803921568),
+    'in_progress': (1.0, 0.7450980392156863, 0.0),
+    'on_hold': (0.796078431372549, 0.6196078431372549, 0.08235294117647059),
+    'review': (0.8941176470588236, 0.9607843137254902, 0.9764705882352941),
+    'todo': (1.0, 0.5019607843137255, 0.5019607843137255)
+}
+
+CONFLICT_COLOUR = (0.576, 0.118, 0.035)  # RGB tuple
+
+
+def get_strip_rectf(strip):
+    # Get x and y in terms of the grid's frames and channels
+    x1 = strip.frame_final_start
+    x2 = strip.frame_final_end
+    y1 = strip.channel + 0.2
+    y2 = strip.channel - 0.2 + 1
+
+    return x1, y1, x2, y2
+
+
+def draw_underline_in_strip(strip_coords, pixel_size_x, color):
+    from bgl import glColor4f, glRectf, glEnable, glDisable, GL_BLEND
+    import bgl
+
+    context = bpy.context
+
+    # Strip coords
+    s_x1, s_y1, s_x2, s_y2 = strip_coords
+
+    # be careful not to draw over the current frame line
+    cf_x = context.scene.frame_current_final
+
+    bgl.glPushAttrib(bgl.GL_COLOR_BUFFER_BIT | bgl.GL_LINE_BIT)
+
+    glColor4f(*color)
+    glEnable(GL_BLEND)
+    bgl.glLineWidth(2)
+    bgl.glBegin(bgl.GL_LINES)
+
+    bgl.glVertex2f(s_x1, s_y1)
+    if s_x1 < cf_x < s_x2:
+        # Bad luck, the line passes our strip
+        bgl.glVertex2f(cf_x - pixel_size_x, s_y1)
+        bgl.glVertex2f(cf_x + pixel_size_x, s_y1)
+    bgl.glVertex2f(s_x2, s_y1)
+
+    bgl.glEnd()
+    bgl.glPopAttrib()
+
+
+def draw_strip_conflict(strip_coords, pixel_size_x):
+    """Draws conflicting states between strips."""
+
+    import bgl
+
+    s_x1, s_y1, s_x2, s_y2 = strip_coords
+    bgl.glPushAttrib(bgl.GL_COLOR_BUFFER_BIT | bgl.GL_LINE_BIT)
+
+    # Always draw the full rectangle, the conflict should be resolved and thus stand out.
+    bgl.glColor3f(*CONFLICT_COLOUR)
+    bgl.glLineWidth(2)
+
+    bgl.glBegin(bgl.GL_LINE_LOOP)
+    bgl.glVertex2f(s_x1, s_y1)
+    bgl.glVertex2f(s_x2, s_y1)
+    bgl.glVertex2f(s_x2, s_y2)
+    bgl.glVertex2f(s_x1, s_y2)
+    bgl.glEnd()
+
+    bgl.glPopAttrib()
+
+
+def draw_callback_px():
+    context = bpy.context
+
+    if not context.scene.sequence_editor:
+        return
+
+    from . import shown_strips
+
+    region = context.region
+    xwin1, ywin1 = region.view2d.region_to_view(0, 0)
+    xwin2, ywin2 = region.view2d.region_to_view(region.width, region.height)
+    one_pixel_further_x, one_pixel_further_y = region.view2d.region_to_view(1, 1)
+    pixel_size_x = one_pixel_further_x - xwin1
+
+    strips = shown_strips(context)
+
+    for strip in strips:
+        if not strip.atc_object_id:
+            continue
+
+        # Get corners (x1, y1), (x2, y2) of the strip rectangle in px region coords
+        strip_coords = get_strip_rectf(strip)
+
+        # check if any of the coordinates are out of bounds
+        if strip_coords[0] > xwin2 or strip_coords[2] < xwin1 or strip_coords[1] > ywin2 or \
+                        strip_coords[3] < ywin1:
+            continue
+
+        # Draw
+        status = strip.atc_status
+        if status in strip_status_colour:
+            color = strip_status_colour[status]
+        else:
+            color = strip_status_colour[None]
+
+        alpha = 1.0 if strip.atc_is_synced else 0.5
+
+        draw_underline_in_strip(strip_coords, pixel_size_x, color + (alpha,))
+        if strip.atc_is_synced and strip.atc_object_id_conflict:
+            draw_strip_conflict(strip_coords, pixel_size_x)
+
+
+def tag_redraw_all_sequencer_editors():
+    context = bpy.context
+
+    # Py cant access notifiers
+    for window in context.window_manager.windows:
+        for area in window.screen.areas:
+            if area.type == 'SEQUENCE_EDITOR':
+                for region in area.regions:
+                    if region.type == 'WINDOW':
+                        region.tag_redraw()
+
+
+# This is a list so it can be changed instead of set
+# if it is only changed, it does not have to be declared as a global everywhere
+cb_handle = []
+
+
+def callback_enable():
+    if cb_handle:
+        return
+
+    cb_handle[:] = bpy.types.SpaceSequenceEditor.draw_handler_add(
+        draw_callback_px, (), 'WINDOW', 'POST_VIEW'),
+
+    tag_redraw_all_sequencer_editors()
+
+
+def callback_disable():
+    if not cb_handle:
+        return
+
+    try:
+        bpy.types.SpaceSequenceEditor.draw_handler_remove(cb_handle[0], 'WINDOW')
+    except ValueError:
+        # Thrown when already removed.
+        pass
+    cb_handle.clear()
+
+    tag_redraw_all_sequencer_editors()

setup.py

@@ -228,7 +228,7 @@ setup(
               'wheels': BuildWheels},
     name='blender_cloud',
     description='The Blender Cloud addon allows browsing the Blender Cloud from Blender.',
-    version='1.9.2',
+    version='1.9.4',
     author='Sybren A. Stüvel',
     author_email='sybren@stuvel.eu',
     packages=find_packages('.'),

update_version.sh

@@ -17,3 +17,6 @@ echo
 echo "Don't forget to commit and tag:"
 echo git commit -m \'Bumped version to $VERSION\' setup.py blender_cloud/__init__.py
 echo git tag -a version-$VERSION -m \'Tagged version $VERSION\'
+echo
+echo "To build a distribution ZIP:"
+echo python setup.py bdist