Extract Event and Measurement table

my_flask_app/models/models.py

@@ -4,9 +4,10 @@ import re
 
 
 class Observation_Spec:
-    def __init__(self, type:str, label:str, features_name:list = None):
+    def __init__(self, tablename:str, type:str, label:list[str], features_name:list = None):
+        self.tablename = tablename
         self.type = type    # 'event' or 'measurement'
-        self.label = label
+        self.label = label  # (self-define or from column, column name, column value orself-define label)
         self.features_name = features_name if features_name else []
 
     def add_feature(self, name):
@@ -17,6 +18,7 @@ class Observation_Spec:
 
     def to_dict(self):
         return {
+            'tablename': self.tablename,
             'type': self.type,
             'label': self.label,
             'features_name': self.features_name