Update main to instantiate only the part of the model required by a controller.

models/main.py

@@ -81,78 +81,87 @@ T.lazy = True                                    # immediate translation
 # Configure plugin_dbui
 #
 
-Dbui.define_paths(
-    app_css="static/my.css",
-    app_lg="static/limbra/locale/limbra-lang-fr.js",
-    app_libmin="static/limbra-min.js",
-    app_script="static/app.js")
+ctrl = request.controller
+fnct = request.function
+
+if ctrl == "plugin_dbui" and fnct in ("about", "index"):
+    Dbui.define_paths(
+        app_css="static/my.css",
+        app_lg="static/limbra/locale/limbra-lang-fr.js",
+        app_libmin="static/limbra-min.js",
+        app_script="static/app.js")
 
 # ............................................................................
 #
 # Create the database models
 #
-App.define_tables(db, T)
-Core.define_tables(db, T)
-Harvester.define_tables(db, T)
-Report.define_tables(db, T)
-Selector.define_tables(virtdb, db, T)
+
+if ctrl != "plugin_dbui" or fnct in ("call", "csv", "dbui_conf"):
+    App.define_tables(db, T)
+    Core.define_tables(db, T)
+    Harvester.define_tables(db, T)
+    Report.define_tables(db, T)
+    Selector.define_tables(virtdb, db, T)
 
 # ............................................................................
 #
 # Configure the user interface
 #
 
-Dbui.initialise_ui()
-directSvc = Dbui.start_directSvc()
-
-# common configuration for forms and grids
-tables = ["application",
-          "auth_group",
-          "auth_membership",
-          "auth_user",
-          "authors_roles",
-          "axes",
-          "categories",
-          "collaborations",
-          "controllers",
-          "countries",
-          "harvesters",
-          "graphs",
-          "lists",
-          "metrics",
-          "my_authors",
-          "organisation",
-          "projects",
-          "publications",
-          "publishers",
-          "renderers",
-          "reports",
-          "sections",
-          "status",
-          "teams"]
-
-# a user see the categories table but he/she can not modify it.
-if session.role == USER:
-    tables.remove("categories")
-
-configure_forms(
-    tables,
-    plugins=["pFormToolTip"],
-    width=350)
-
-configure_grids(
-    tables,
-    plugins=[
-        "pGridRowEditorConfirmDelete",
-        "pGridRowEditorContextMenu",
-        "pGridRowEditorDblClick",
-        "pGridToolbar"])
-
-AppUI.configure(db, T)
-AuthUI.configure(db, T)
-CoreUI.configure(db, T)
-HarvesterUI.configure(db, T)
-ReportUI.configure(db, T)
-SelectorUI.configure(virtdb, db, T)
-
-ViewportUi.configure(db, T, virtdb)
+if ctrl == "plugin_dbui" and fnct in ("call", "dbui_conf"):
+    Dbui.initialise_ui()
+    directSvc = Dbui.start_directSvc()
+
+    # common configuration for forms and grids
+    tables = ["application",
+              "auth_group",
+              "auth_membership",
+              "auth_user",
+              "authors_roles",
+              "axes",
+              "categories",
+              "collaborations",
+              "controllers",
+              "countries",
+              "harvesters",
+              "graphs",
+              "lists",
+              "metrics",
+              "my_authors",
+              "organisation",
+              "projects",
+              "publications",
+              "publishers",
+              "renderers",
+              "reports",
+              "sections",
+              "status",
+              "teams"]
+
+    # a user see the categories table but he/she can not modify it.
+    if session.role == USER:
+        tables.remove("categories")
+
+    configure_forms(
+        tables,
+        plugins=["pFormToolTip"],
+        width=350)
+
+    configure_grids(
+        tables,
+        plugins=[
+            "pGridRowEditorConfirmDelete",
+            "pGridRowEditorContextMenu",
+            "pGridRowEditorDblClick",
+            "pGridToolbar"])
+
+    AppUI.configure(db, T)
+    AuthUI.configure(db, T)
+    CoreUI.configure(db, T)
+    HarvesterUI.configure(db, T)
+    ReportUI.configure(db, T)
+    SelectorUI.configure(virtdb, db, T)
+
+    # configure the viewport
+    if fnct == "dbui_conf":
+        ViewportUi.configure(db, T, virtdb)