Python equivt of __FILE__ and __LINE__

alain alainpoint at yahoo.fr
Tue Feb 12 09:19:27 CET 2008


On Feb 11, 10:58 am, "Bill Davy" <B... at SynectixLtd.com> wrote:
> Writing a quick and dirty assembler and want to give the user the location
> of an error.  The "assembly language" is Python.  If the user wants to
> generat some object code they write something  like:
>
> Label(LoopLable)
>     Load(R4)
>     Dec()
>     JNZ(LoopLabel)
>
> I can use Python to do all the expression evalutaion, conversion from Python
> FP to target FP, include files, macros (done as function definitions).  The
> functions like Load() generate the approproyte object code.
>
> So, for example, when a label is defined or referenced, I save the File,Line
> so if there is not exactly one defintion or no references, I can report the
> file location(s) to be considered.  In the example, I would want to report
> that LoopLable is not referenced, and LoopLabel is not defined.
>
> TIA,
>     Bill
>
> PSwww.SynectixLtd.comis not relevant

def __LINE__():
	try:
		raise Exception
	except:
		return sys.exc_info()[2].tb_frame.f_back.f_lineno
def __FILE__():
	return inspect.currentframe().f_code.co_filename

Best regards

Alain



More information about the Python-list mailing list