Database objects? Persistence? Sql Server woes

[Mike Howarth]

I've been having a few problems with connecting to SQL Server, initially I
was using dblib however found some problems with returning text fields
whereby all text fields were ignored and it bawked at multiline sql
statements.

Having found these major stumbling blocks I've started using pymssql which
seems less flaky. One problem I've stumbled across is that I seem to reach
my max connections  on the database fairly easily (given how my script was
written) and therefore have used the singleton pattern on my database
object.

Great problem solved, or so I thought.

Using the following code I'm finding that the Set is now also being enforced
as a singleton as well.

class Set(Database,Product):
    
     def __init__(self, *args, **kw): 
         
         Database.__init__(self)
         Product.__init__(self)

     def dosomething(self):
         cu = self.c.cursor()

Having sat back and thought about it, its easy to understand why this is
occurring given I'm indicating that Set belongs to Database and therefore
this is a singleton as well.

Being relatively new to Python I'm unsure on how to then go about using a
database object between each class. Can anyone advise me on how they
approach this, and whether there is a common approach to this?

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