Peter Otten wrote:
> Eric S. Johansson wrote:
>
> Here is yet another revision of my example then:
it's making more and more sense although I don't quite follow 'property'
quite yet. But I see that get_logger is invoked prior to the
__logger.info call.
I was looking at how to implement one of my other requirements
(conditional based on a predicate) and I see that I could use a filter.
I've experimented a little but come up empty. This is what I changed:
class filter_test (logging.Filter):
test_names = { "Felis.alpha" : True,
"Catus.alpha" : False,
}
def ___init__ (self, name):
"""simple filter test """
self.name = name
def filter(self, record):
"""test and forget """
return test_names.has_key(self.name) and test_names[self.name]
class LoggedType(type):
def __new__(mcl, name, bases, classdict):
def get_logger(self):
tag = "%s.%s" % (name,sys._getframe(1).f_code.co_name)
lgr = logging.getLogger(tag)
lgr.addFilter(filter_test)
return lgr
classdict["_%s__logger" % name] = property(get_logger)
return type.__new__(mcl, name, bases, classdict)
It's probably real obvious but I keep getting a:
File "C:\Python24\lib\logging\__init__.py", line 539, in filter
if not f.filter(record):
TypeError: unbound method filter() must be called with filter_test
instance as first argument (got LogRecord instance instead)
I'm puzzled that I thought I was adding the filter object at the right
point in time with addFilter. I wouldn't be surprised if I was totally
off base but I'd be interested in figuring out how I went off the rails
so I can fill in the knowledge.
---eric
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