Run Pip via {sys.executable} -m pip

This solves the same problem as c457767edf,
but in a way that's actually [recommended](https://pip.pypa.io/en/latest/user_guide/#using-pip-from-your-program).

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Flamenco: Support for Flamenco Manager settings versioning + for settings version 2.
   When using Blender Cloud Add-on 1.12 or older, Flamenco Server will automatically convert the
   Manager settings to version 1.
+- More Blender 2.80 compatibility fixes
 
 
 ## Version 1.12 (2019-03-25)

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, 13, 3),
+    'version': (1, 13, 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

@@ -63,6 +63,7 @@ from pillarsdk.projects import Project
 from pillarsdk import exceptions as sdk_exceptions
 
 from bpy.types import Operator, Panel, AddonPreferences
+import bl_ui.space_sequencer
 
 log = logging.getLogger(__name__)
 
@@ -946,25 +947,31 @@ class ATTRACT_OT_project_open_in_browser(Operator):
         return {'FINISHED'}
 
 
-def draw_strip_movie_meta(self, context):
-    strip = active_strip(context)
-    if not strip:
-        return
+class ATTRACT_PT_strip_metadata(bl_ui.space_sequencer.SequencerButtonsPanel, Panel):
+    bl_label = "Metadata"
+    bl_parent_id = "SEQUENCER_PT_info"
+    bl_category = "Strip"
+    bl_options = {'DEFAULT_CLOSED'}
 
-    meta = strip.get('metadata', None)
-    if not meta:
-        return None
+    def draw(self, context):
+        strip = active_strip(context)
+        if not strip:
+            return
 
-    box = self.layout.column(align=True)
-    row = box.row(align=True)
-    fname = meta.get('BLEND_FILE', None) or None
-    if fname:
-        row.label(text='Original Blendfile: %s' % fname)
-        row.operator(ATTRACT_OT_open_meta_blendfile.bl_idname,
-                     text='', icon='FILE_BLEND')
-    sfra = meta.get('START_FRAME', '?')
-    efra = meta.get('END_FRAME', '?')
-    box.label(text='Original Frame Range: %s-%s' % (sfra, efra))
+        meta = strip.get('metadata', None)
+        if not meta:
+            return None
+
+        box = self.layout.column(align=True)
+        row = box.row(align=True)
+        fname = meta.get('BLEND_FILE', None) or None
+        if fname:
+            row.label(text='Original Blendfile: %s' % fname)
+            row.operator(ATTRACT_OT_open_meta_blendfile.bl_idname,
+                         text='', icon='FILE_BLEND')
+        sfra = meta.get('START_FRAME', '?')
+        efra = meta.get('END_FRAME', '?')
+        box.label(text='Original Frame Range: %s-%s' % (sfra, efra))
 
 
 def activate():
@@ -1023,13 +1030,6 @@ def register():
         name="Status")
     bpy.types.Sequence.atc_order = bpy.props.IntProperty(name="Order")
 
-    try:
-        panel = bpy.types.SEQUENCER_PT_info_input
-    except AttributeError:
-        # Blender 2.79 and older:
-        panel = bpy.types.SEQUENCER_PT_edit
-    panel.append(draw_strip_movie_meta)
-
     for cls in _rna_classes:
         bpy.utils.register_class(cls)
 

setup.py

@@ -123,8 +123,8 @@ class BuildWheels(Command):
         """Downloads a wheel from PyPI and saves it in self.wheels_path."""
 
         subprocess.check_call([
-            'pip', 'download',
-            '--no-deps',
+            sys.executable, '-m', 'pip',
+            'download', '--no-deps',
             '--dest', str(self.wheels_path),
             requirement[0]
         ])
@@ -236,7 +236,7 @@ setup(
               'wheels': BuildWheels},
     name='blender_cloud',
     description='The Blender Cloud addon allows browsing the Blender Cloud from Blender.',
-    version='1.13.3',
+    version='1.13.4',
     author='Sybren A. Stüvel',
     author_email='sybren@stuvel.eu',
     packages=find_packages('.'),