Use real deprecation for formlib, at some point we want to remove this code.

src/Products/Five/form/__init__.py

-# BBB
-from five.formlib import AddView
-from five.formlib import EditView
+from zope.deferredimport import deprecated
+
+deprecated("Please import from five.formlib",
+    AddView = 'five.formlib:AddView',
+    EditView = 'five.formlib:EditView',
+)

src/Products/Five/form/macros.py

-# BBB
-from five.formlib.macros import FormMacros
+from zope.deferredimport import deprecated
+
+deprecated("Please import from five.formlib",
+    FormMacros = 'five.formlib.macros:FormMacros',
+)

src/Products/Five/form/metaconfigure.py

-# BBB
-from five.formlib.metaconfigure import EditViewFactory
-from five.formlib.metaconfigure import FiveFormDirective
-from five.formlib.metaconfigure import EditFormDirective
-from five.formlib.metaconfigure import AddViewFactory
-from five.formlib.metaconfigure import AddFormDirective
+from zope.deferredimport import deprecated
+
+deprecated("Please import from five.formlib",
+    EditViewFactory = 'five.formlib.metaconfigure:EditViewFactory',
+    FiveFormDirective = 'five.formlib.metaconfigure:FiveFormDirective',
+    EditFormDirective = 'five.formlib.metaconfigure:EditFormDirective',
+    AddViewFactory = 'five.formlib.metaconfigure:AddViewFactory',
+    AddFormDirective = 'five.formlib.metaconfigure:AddFormDirective',
+)

src/Products/Five/form/objectwidget.py

-# BBB
-from five.formlib.objectwidget import ObjectWidgetView
-from five.formlib.objectwidget import ObjectWidget
-from five.formlib.objectwidget import ObjectWidgetClass
+from zope.deferredimport import deprecated
+
+deprecated("Please import from five.formlib",
+    ObjectWidgetView = 'five.formlib.objectwidget:ObjectWidgetView',
+    ObjectWidget = 'five.formlib.objectwidget:ObjectWidget',
+    ObjectWidgetClass = 'five.formlib.objectwidget:ObjectWidgetClass',
+)

src/Products/Five/formlib/formbase.py

-# BBB
-from five.formlib.formbase import _FORMLIB_DIR
-from five.formlib.formbase import _PAGEFORM_PATH
-from five.formlib.formbase import _SUBPAGEFORM_PATH
-from five.formlib.formbase import FiveFormlibMixin
-from five.formlib.formbase import FormBase
-from five.formlib.formbase import EditFormBase
-from five.formlib.formbase import DisplayFormBase
-from five.formlib.formbase import AddFormBase
-from five.formlib.formbase import PageForm
-from five.formlib.formbase import Form
-from five.formlib.formbase import PageEditForm
-from five.formlib.formbase import EditForm
-from five.formlib.formbase import PageDisplayForm
-from five.formlib.formbase import DisplayForm
-from five.formlib.formbase import PageAddForm
-from five.formlib.formbase import AddForm
-from five.formlib.formbase import SubPageForm
-from five.formlib.formbase import SubPageEditForm
-from five.formlib.formbase import SubPageDisplayForm
+from zope.deferredimport import deprecated
+
+deprecated("Please import from five.formlib",
+    FiveFormlibMixin = 'five.formlib.formbase:FiveFormlibMixin',
+    FormBase = 'five.formlib.formbase:FormBase',
+    EditFormBase = 'five.formlib.formbase:EditFormBase',
+    DisplayFormBase = 'five.formlib.formbase:DisplayFormBase',
+    AddFormBase = 'five.formlib.formbase:AddFormBase',
+    PageForm = 'five.formlib.formbase:PageForm',
+    PageEditForm = 'five.formlib.formbase:PageEditForm',
+    EditForm = 'five.formlib.formbase:EditForm',
+    PageDisplayForm = 'five.formlib.formbase:PageDisplayForm',
+    DisplayForm = 'five.formlib.formbase:DisplayForm',
+    PageAddForm = 'five.formlib.formbase:PageAddForm',
+    AddForm = 'five.formlib.formbase:AddForm',
+    SubPageForm = 'five.formlib.formbase:SubPageForm',
+    SubPageEditForm = 'five.formlib.formbase:SubPageEditForm',
+    SubPageDisplayForm = 'five.formlib.formbase:SubPageDisplayForm',
+)