power_sequencer: update to the latest master

This commit brings Power Sequencer to the current rolling version, that is
commit 9562eb58d164e234f61225250d6ac5ca858ada7b on
https://github.com/GDQuest/blender-power-sequencer/.

I had already made an intermediate commit that added new features and fixed some
bugs. This commit brings bug fixes and many quality of life improvements.

- Human-readable changelog:
  https://github.com/GDQuest/blender-power-sequencer/blob/master/CHANGELOG.md
- 1.4.0 release post:
  https://github.com/GDQuest/blender-power-sequencer/releases/tag/1.4.0
- All the commits since v1.3.0 (previous update + this one in this repository):
  https://github.com/GDQuest/blender-power-sequencer/compare/1.3.0...master

1 files changed, 49 insertions, 14 deletions

diff --git a/power_sequencer/__init__.py b/power_sequencer/__init__.py
index a51f7342..670bcf41 100644..100755
--- a/power_sequencer/__init__.py
+++ b/power_sequencer/__init__.py
@@ -14,21 +14,23 @@
 # You should have received a copy of the GNU General Public License along with Power Sequencer. If
 # not, see <https://www.gnu.org/licenses/>.
 #
+from typing import List, Tuple, Type
+
 import bpy
 
 from .addon_preferences import register_preferences, unregister_preferences
 from .addon_properties import register_properties, unregister_properties
-from .operators import classes
-from .utils.register_shortcuts import register_shortcuts
 from .handlers import register_handlers, unregister_handlers
-from .utils import addon_auto_imports
+from .operators import get_operator_classes
+from .tools import get_tool_classes
 from .ui import register_ui, unregister_ui
-
+from .utils import addon_auto_imports
+from .utils.register_shortcuts import register_shortcuts
 
 # load and reload submodules
 ##################################
 modules = addon_auto_imports.setup_addon_modules(
-    __path__, __name__, ignore_packages=[".utils", ".audiosync"], ignore_modules=[]
+    __path__, __name__, ignore_packages=[".utils", ".audiosync"]
 )
 
 
@@ -38,43 +40,68 @@ bl_info = {
     "author": "Nathan Lovato",
     "version": (1, 4, 0),
     "blender": (2, 80, 0),
-    "location": "Video Tools",
+    "location": "Sequencer",
     "tracker_url": "https://github.com/GDquest/Blender-power-sequencer/issues",
-    "wiki_url": "https://www.youtube.com/playlist?list=PLhqJJNjsQ7KFjp88Cu57Zb9_wFt7nlkEI",
+    "wiki_url": "https://www.gdquest.com/docs/documentation/power-sequencer/",
     "support": "COMMUNITY",
     "category": "Sequencer",
 }
 
 
-addon_keymaps = []
+# We use globals to cache loaded keymaps, operators, and tools
+addon_keymaps: List[Type] = []
+classes_operator: List[Type] = []
+classes_tool: List[Type] = []
 
 
 def register():
     global addon_keymaps
+    global classes_operator
+    global classes_tool
 
     register_preferences()
     register_properties()
     register_handlers()
     register_ui()
 
-    for c in classes:
-        bpy.utils.register_class(c)
-
-    keymaps = register_shortcuts()
+    # Register operators
+    classes_operator = get_operator_classes()
+    for cls in classes_operator:
+        bpy.utils.register_class(cls)
+
+    # Register tools
+    version_min_toolbar = (2, 83, 0)
+    if is_blender_version_compatible(version_min_toolbar):
+        classes_tool = get_tool_classes()
+        last_tool = {"builtin.cut"}
+        for index, cls in enumerate(classes_tool):
+            bpy.utils.register_tool(cls, after=last_tool, separator=index == 0)
+            last_tool = {cls.bl_idname}
+
+    # Register keymaps
+    keymaps = register_shortcuts(classes_operator)
     addon_keymaps += keymaps
 
     print("Registered {} with {} modules".format(bl_info["name"], len(modules)))
 
 
 def unregister():
+    """Unregister"""
     global addon_keymaps
+    global classes_operator
+    global classes_tool
 
     for km, kmi in addon_keymaps:
         km.keymap_items.remove(kmi)
     addon_keymaps.clear()
 
-    for c in classes:
-        bpy.utils.unregister_class(c)
+    for cls in classes_operator:
+        bpy.utils.unregister_class(cls)
+
+    version_min_toolbar = (2, 82, 0)
+    if is_blender_version_compatible(version_min_toolbar):
+        for cls in classes_tool:
+            bpy.utils.unregister_tool(cls)
 
     unregister_ui()
     unregister_preferences()
@@ -82,3 +109,11 @@ def unregister():
     unregister_handlers()
 
     print("Unregistered {}".format(bl_info["name"]))
+
+
+def is_blender_version_compatible(version: Tuple[int, int, int]) -> bool:
+    """Returns True if the `version` is greater or equal to the current Blender version.
+    Converts the versions to integers to compare them."""
+    version_int = version[0] * 1000 + version[1] * 10 + version[2]
+    blender_version_int = bpy.app.version[0] * 1000 + bpy.app.version[1] * 10 + bpy.app.version[2]
+    return blender_version_int >= version_int