Fixes in documentation for db model

paramecio2/libraries/db/sqlalchemy.py

@@ -12,6 +12,14 @@ import traceback
 engine=None
 
 class SqlClass:
+    """Class used how interface to sqlalchemy for connect to mysql engine
+    
+    Attributes:
+        cursors_connect (pymysql.cursors.DictCursor): Cursor dict connection to database
+        disable_pool (boolean): If True then not exists mysql pool, if False, use sql pool for better connections.
+        pymsql_install (boolean): If True, pymysql is used how mysqldb classic python module.
+        pool_size (int): The size of the mysql pool. 
+    """
     
     cursors_connect=None 
     disable_pool=False
@@ -19,8 +27,18 @@ class SqlClass:
     pool_size=15
     
     def __init__(self, connection):
+        """
+        Args:
+            connection (dict): A dict with the configurations of SqlClass connection
+        Attributes: 
+            error_connection (str): A string where errors are saved
+            connection (dict): A dict with the configurations of SqlClass connection
+            conn (MySQL Connection): A PyMySQL or Mysqldb connection
+            connected (bool): Simple bool for check if was connected to mysql
+            pool_recycle (int): Time limite for recycle the pool by inactivity
+        """
     
-        self.max_overflow=-1
+        #self.max_overflow=-1
         self.error_connection=""
         # Data of connection
         self.connection=connection
@@ -32,6 +50,8 @@ class SqlClass:
         
         
     def connect(self):
+        """Method for connect to mysql db using pymysql or mysqldb
+        """
         
         global engine
         
@@ -132,7 +152,13 @@ class SqlClass:
     #Make def query more simple if not debugging.
     
     def query(self, sql_query, arguments=[], name_connection="default"):
+        """Method for send a sql query to mysql server
         
+        Args:
+            sql_query (str): The sql sentence to execute. For data you should use %s character.
+            arguments (list): The data used in sql sentence. This data substitute the %s characters. 
+            name_connection (str): The name of dict element with the configuration of connection, without used in this moment.
+        """
 
         cursor=self.conn.cursor(SqlClass.cursors_connect)
         
@@ -194,12 +220,16 @@ class SqlClass:
         #return cursor.fetchone()
     
     def __del__(self):
+        """Typical method used when class is deleted from memory. Close the connextion if exists. 
+        """
         
         if self.conn:
         
             self.conn.close()
     
     def close(self, name_connection="default"):
+        """Method used for close the connection if you want close connection and open other.
+        """
         
         if self.conn: