Change __setitem__ calls to []

GRID_LRT/token.py

@@ -129,14 +129,14 @@ class Token(dict):
         using the python __get__ method, i.e. token['field']. Each token has a token_id that is unique
         in the database, which it is part of, however the database interface is only defined in the 
         child classes of Token"""
-        self.__setitem__("type", token_type)
+        self['type'] = token_type
         if not token_id:
-            self.__setitem__("_id", token_type)
+            self['_id'] = token_type
         else:
-            self.__setitem__("_id", token_id)
-        self.__setitem__("PICAS_API_VERSION", GRID_LRT.__version__)
-        self.__setitem__("lock", 0)
-        self.__setitem__("done", 0)
+            self['_id'] = token_id
+        self['PICAS_API_VERSION'] = GRID_LRT.__version__
+        self['lock'] = 0
+        self['done'] = 0
 
     @property
     def database(self):
@@ -173,15 +173,15 @@ class Token(dict):
         """General interface to 'reset' a Token as defined in PiCaS Standards. 
         The lock and done fields are timestamps and if are set to 0, the token will be
         considered in the 'todo' state"""
-        self.__setitem__("lock", 0)
-        self.__setitem__("done", 0)
+        self['lock'] = 0
+        self['done'] = 0
         scrub_count = self.get(
             "scrub_count", 0
         )  ##TODO: Get function override to get from db
-        self.__setitem__("scrub_count", scrub_count + 1)
-        self.__setitem__("hostname", "")
-        self.__setitem__("output", "")
-        self.__setitem__("status", "reset")
+        self['scrub_count'] = scrub_count + 1
+        self['hostname'] = ''
+        self['output'] = ''
+        self['status'] = 'reset'
 
     def archive(self, delete=False):
         """Archives all tokens, given a database. Deletes them if the delete flag is set to True"""
@@ -330,7 +330,7 @@ class TokenList(list):
         if design_doc_name not in self.database:
             self._design_doc.save()
         self._design_doc.fetch()
-        self._design_doc.__setitem__("PICAS_API_VERSION", GRID_LRT.__version__)
+        self._design_doc['PICAS_API_VERSION'] = GRID_LRT.__version__
         self._design_doc.save()
 
     def add_attachment(self, filename, attachment_name):
@@ -347,7 +347,7 @@ class TokenList(list):
         if isinstance(item, Token):
             if 'PICAS_API_VERSION' in item:
                 # Custom version specified in the config file, update design doc PICAS_API_VERSION from token.
-                self._design_doc.__setitem__('PICAS_API_VERSION', item['PICAS_API_VERSION'])
+                self._design_doc['PICAS_API_VERSION'] = item['PICAS_API_VERSION']
                 self._design_doc.save()
             if not hasattr(self, 'database'):
                 self.database=item.database