lsst.dax.apdb.apdbSql.Timer Class Reference

Public Member Functions
def	__init__ (self, str name, bool do_logging=True, bool log_before_cursor_execute=False)
Timer	__enter__ (self)
Any	__exit__ (self, Optional[Type] exc_type, Any exc_val, Any exc_tb)

Detailed Description

Timer class defining context manager which tracks execution timing.

Typical use:

    with Timer("timer_name"):
        do_something

On exit from block it will print elapsed time.

See also :py:mod:`timer` module.

Definition at line 49 of file apdbSql.py.

Constructor & Destructor Documentation

__init__()

def lsst.dax.apdb.apdbSql.Timer.__init__	(		self,
		str	name,
		bool	do_logging = True,
		bool	log_before_cursor_execute = False
	)

Definition at line 61 of file apdbSql.py.

    def __init__(self, name: str, do_logging: bool = True, log_before_cursor_execute: bool = False):
        self._log_before_cursor_execute = log_before_cursor_execute
        self._do_logging = do_logging
        self._timer1 = timer.Timer(name)
        self._timer2 = timer.Timer(name + " (before/after cursor)")
 

Member Function Documentation

__enter__()

Timer lsst.dax.apdb.apdbSql.Timer.__enter__

(

self

)

Enter context, start timer

Definition at line 67 of file apdbSql.py.

    def __enter__(self) -> Timer:
        """
        Enter context, start timer
        """
#         event.listen(engine.Engine, "before_cursor_execute", self._start_timer)
#         event.listen(engine.Engine, "after_cursor_execute", self._stop_timer)
        self._timer1.start()
        return self
 

__exit__()

Any lsst.dax.apdb.apdbSql.Timer.__exit__	(		self,
		Optional[Type]	exc_type,
		Any	exc_val,
		Any	exc_tb
	)

Exit context, stop and dump timer

Definition at line 76 of file apdbSql.py.

    def __exit__(self, exc_type: Optional[Type], exc_val: Any, exc_tb: Any) -> Any:
        """
        Exit context, stop and dump timer
        """
        if exc_type is None:
            self._timer1.stop()
            if self._do_logging:
                self._timer1.dump()
#         event.remove(engine.Engine, "before_cursor_execute", self._start_timer)
#         event.remove(engine.Engine, "after_cursor_execute", self._stop_timer)
        return False
 

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The documentation for this class was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-0.7.0/Linux64/dax_apdb/22.0.1-4-g2c3f5ac+2e8da71d76/python/lsst/dax/apdb/apdbSql.py