replace usages of avalon.tools with use classes from openpype.tools

openpype/hosts/blender/api/pipeline.py

@@ -202,13 +202,10 @@ def reload_pipeline(*args):
     avalon.api.uninstall()
 
     for module in (
-            "avalon.io",
-            "avalon.lib",
-            "avalon.pipeline",
-            "avalon.tools.creator.app",
-            "avalon.tools.manager.app",
-            "avalon.api",
-            "avalon.tools",
+        "avalon.io",
+        "avalon.lib",
+        "avalon.pipeline",
+        "avalon.api",
     ):
         module = importlib.import_module(module)
         importlib.reload(module)

openpype/hosts/maya/api/commands.py

@@ -37,17 +37,17 @@ class ToolWindows:
 
 
 def edit_shader_definitions():
-    from avalon.tools import lib
     from Qt import QtWidgets
     from openpype.hosts.maya.api.shader_definition_editor import (
         ShaderDefinitionsEditor
     )
+    from openpype.tools.utils import qt_app_context
 
     top_level_widgets = QtWidgets.QApplication.topLevelWidgets()
     main_window = next(widget for widget in top_level_widgets
                        if widget.objectName() == "MayaWindow")
 
-    with lib.application():
+    with qt_app_context():
         window = ToolWindows.get_window("shader_definition_editor")
         if not window:
             window = ShaderDefinitionsEditor(parent=main_window)

openpype/hosts/maya/api/menu.py

@@ -36,7 +36,7 @@ def install():
         return
 
     def deferred():
-        from avalon.tools import publish
+        pyblish_icon = host_tools.get_pyblish_icon()
         parent_widget = get_main_window()
         cmds.menu(
             MENU_NAME,
@@ -80,7 +80,7 @@ def install():
             command=lambda *args: host_tools.show_publish(
                 parent=parent_widget
             ),
-            image=publish.ICON
+            image=pyblish_icon
         )
 
         cmds.menuItem(