changed function names and separated install in 2 parts

openpype/pipeline/__init__.py

@@ -68,6 +68,22 @@ from .actions import (
     deregister_inventory_action_path,
 )
 
+from .process_context import (
+    install_openpype_plugins,
+    install_host,
+    uninstall_host,
+    is_installed,
+
+    register_root,
+    registered_root,
+
+    register_host,
+    registered_host,
+    deregister_host,
+)
+install = install_host
+uninstall = uninstall_host
+
 
 __all__ = (
     "AVALON_CONTAINER_ID",
@@ -135,4 +151,21 @@ __all__ = (
     "register_inventory_action_path",
     "deregister_inventory_action",
     "deregister_inventory_action_path",
+
+    # --- Process context ---
+    "install_openpype_plugins",
+    "install_host",
+    "uninstall_host",
+    "is_installed",
+
+    "register_root",
+    "registered_root",
+
+    "register_host",
+    "registered_host",
+    "deregister_host",
+
+    # Backwards compatible function names
+    "install",
+    "uninstall",
 )

openpype/pipeline/process_context.py

@@ -63,7 +63,7 @@ def registered_root():
     return ""
 
 
-def install(host):
+def install_host(host):
     """Install `host` into the running Python session.
 
     Args:
@@ -72,6 +72,8 @@ def install(host):
     """
     global _is_installed
 
+    _is_installed = True
+
     io.install()
 
     missing = list()
@@ -94,10 +96,7 @@ def install(host):
 
     register_host(host)
 
-    _is_installed = True
-
-    # Make sure modules are loaded
-    load_modules()
+    register_event_callback("taskChanged", _on_task_change)
 
     def modified_emit(obj, record):
         """Method replacing `emit` in Pyblish's MessageHandler."""
@@ -106,12 +105,20 @@ def install(host):
 
     MessageHandler.emit = modified_emit
 
+    install_openpype_plugins()
+
+
+def install_openpype_plugins(project_name=None):
+    # Make sure modules are loaded
+    load_modules()
+
     log.info("Registering global plug-ins..")
     pyblish.api.register_plugin_path(PUBLISH_PATH)
     pyblish.api.register_discovery_filter(filter_pyblish_plugins)
     register_loader_plugin_path(LOAD_PATH)
 
-    project_name = os.environ.get("AVALON_PROJECT")
+    if project_name is None:
+        project_name = os.environ.get("AVALON_PROJECT")
 
     # Register studio specific plugins
     if project_name:
@@ -141,17 +148,12 @@ def install(host):
             register_creator_plugin_path(path)
             register_inventory_action(path)
 
-    # apply monkey patched discover to original one
-    log.info("Patching discovery")
-
-    register_event_callback("taskChanged", _on_task_change)
-
 
 def _on_task_change():
     change_timer_to_current_context()
 
 
-def uninstall():
+def uninstall_host():
     """Undo all of what `install()` did"""
     host = registered_host()