Trouble with defaults and timeout decorator

[Piergiorgio Sartor]

On 24/06/2023 18.18, Jason Friedman wrote:
> I'm writing a database connectivity module to be used by other modules and
> leveraging the jaydebeapi module.
>>From what I can tell jaydebeapi contains no built-in timeout capability, so
> then I turned to https://pypi.org/project/timeout-decorator/.
> My goal is to have a default timeout of, say, 10 seconds, which can be
> overridden by the caller.
> 
> 
> import jaydebeapi
> from timeout_decorator import timeout
> 
> class Database:
>      database_connection = None
>      database_name, user_name, password, host, port = stuff
>      timeout = None
> 
>      def __init__(self, timeout=10):
>          self.timeout = timeout
> 
>      @timeout(self.timeout)
>      def get_connection(self):
>          if not self.database_connection:
>              self.database_connection = jaydebeapi.connect(some_args)
>          return self.database_connection
> 
> 
> The trouble occurs on line 12 with:
> NameError: name 'self' is not defined

A quick search would return that "self"
is not available in the class body, only
in the class methods.

There are workarounds, but I guess not
simple ones, expecially for "timeout".

bye,

-- 

piergiorgio