Update classes defining the model to replace the method create by a constructor.

modules/plugin_tev/model_core.py

@@ -13,34 +13,16 @@ from pydal import Field
 
 
 class EvtModelCore(object):
-    """The core tables.
+    """Create the history table and its foreign tables, including
+    alias table for object and people categories.
 
-    """
-    @staticmethod
-    def _protect(table):
-        """protect the content of the table.
-
-            * Record containing the UNDEF string can not be update or delete.
-            * Inhibit cascade delte for foreign elements
-
-        Args:
-            table (pyDAL.Table): database table
+    Args:
+        db (pyDAL.DAL): database connection
+        T (): language translator
 
-        """
-        table._before_delete.append(INHIBIT_CASCADE_DELETE)
-        table._before_delete.append(dbui.INHIBIT_DELETE_UNDEF)
-        table._before_update.append(dbui.INHIBIT_UPDATE_UNDEF)
-
-    @staticmethod
-    def create(db, T):
-        """Create all tables belonging to the core, including
-        alias table for object and people categories.
-
-        Args:
-            db (pyDAL.DAL): database connection
-            T (): language translator
+    """
+    def __init__(self, db, T):
 
-        """
         # foreign tables
         EvtModelCore.domains(db, T)
         EvtModelCore.events(db, T)
@@ -59,6 +41,21 @@ class EvtModelCore(object):
         db.object_categories.with_alias("alias_object_categories")
         db.people_categories.with_alias("alias_people_categories")
 
+    @staticmethod
+    def _protect(table):
+        """protect the content of the table.
+
+            * Record containing the UNDEF string can not be update or delete.
+            * Inhibit cascade delte for foreign elements
+
+        Args:
+            table (pyDAL.Table): database table
+
+        """
+        table._before_delete.append(INHIBIT_CASCADE_DELETE)
+        table._before_delete.append(dbui.INHIBIT_DELETE_UNDEF)
+        table._before_update.append(dbui.INHIBIT_UPDATE_UNDEF)
+
     @staticmethod
     def domains(db, T):
         """domains table

modules/plugin_tev/model_report.py

@@ -78,18 +78,16 @@ TP_SORTERS = \
 
 
 class EvtModelReport(object):
-    """The report tables.
+    """Create the tables for the reporting: lists, metrics1d, metrics2d,
+    and graphs.
 
-    """
-    @staticmethod
-    def create(db, T):
-        """Create all the tables for reporting.
+    Args:
+        db (pyDAL.DAL): database connection
+        T (): language translator
 
-        Args:
-            db (pyDAL.DAL): database connection
-            T (gluon.languages.translator): language translator
+    """
+    def __init__(self, db, T):
 
-        """
         EvtModelReport.graphs(db, T)
         EvtModelReport.lists(db, T)
         EvtModelReport.metrics1d(db, T)

modules/plugin_tev/model_selector.py

@@ -12,19 +12,16 @@ TP_DATA = "The field history.data contains the given value."
 
 
 class EvtModelSelector(object):
-    """The selector tables.
+    """Create the table defining the selector.
 
-    """
-    @staticmethod
-    def create(virtdb, db, T):
-        """Create all the tables for selector.
+    Args:
+        virtdb (pyDAL.DAL): connection to the virtual database
+        db (pyDAL.DAL): database connection
+        T (): language translator
 
-        Args:
-            virtdb (pyDAL.DAL): connection to the virtual database
-            db (pyDAL.DAL): database connection
-            T (gluon.languages.translator): language translator
+    """
+    def __init__(self, virtdb, db, T):
 
-        """
         EvtModelSelector.selector(virtdb, db, T)
 
     @staticmethod