Trouble with defaults and timeout decorator
Piergiorgio Sartor
piergiorgio.sartor.this.should.not.be.used at nexgo.REMOVETHIS.de
Sat Jun 24 13:36:55 EDT 2023
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
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