def __init__(self, btlevels=10, btdefault=False, maxcount=1, *args, **kwargs):
"""Define Warning logger.
It is defined by
btlevels : int
how many levels of backtrack to print to give a hint on WTF
btdefault : bool
if to print backtrace for all warnings at all
maxcount : int
how many times to print each warning
"""
OnceLogger.__init__(self, *args, **kwargs)
self.__btlevels = btlevels
self.__btdefault = btdefault
self.__maxcount = maxcount
self.__explanation_seen = False
def __init__(self, btlevels=10, btdefault=False,
maxcount=1, *args, **kwargs):
"""Define Warning logger.
It is defined by
btlevels : int
how many levels of backtrack to print to give a hint on WTF
btdefault : bool
if to print backtrace for all warnings at all
maxcount : int
how many times to print each warning
"""
OnceLogger.__init__(self, *args, **kwargs)
self.__btlevels = btlevels
self.__btdefault = btdefault
self.__maxcount = maxcount
self.__explanation_seen = False
def __call__(self, msg, bt=None):
import traceback
if bt is None:
bt = self.__btdefault
tb = traceback.extract_stack(limit=2)
msgid = repr(tb[-2]) # take parent as the source of ID
fullmsg = "WARNING: %s" % msg
if not self.__explanation_seen:
self.__explanation_seen = True
fullmsg += "\n * Please note: warnings are " + \
"printed only once, but underlying problem might " + \
"occur many times *"
if bt and self.__btlevels > 0:
fullmsg += "Top-most backtrace:\n"
fullmsg += reduce(lambda x, y: x + "\t%s:%d in %s where '%s'\n" % \
y,
traceback.extract_stack(limit=self.__btlevels),
"")
OnceLogger.__call__(self, msgid, fullmsg, self.__maxcount)
def __call__(self, msg, bt=None):
import traceback
if bt is None:
bt = self.__btdefault
tb = traceback.extract_stack(limit=2)
msgid = repr(tb[-2]) # take parent as the source of ID
fullmsg = "WARNING: %s" % msg
if not self.__explanation_seen:
self.__explanation_seen = True
fullmsg += "\n * Please note: warnings are " + \
"printed only once, but underlying problem might " + \
"occur many times *"
if bt and self.__btlevels > 0:
fullmsg += "Top-most backtrace:\n"
fullmsg += reduce(lambda x, y: x + "\t%s:%d in %s where '%s'\n" % \
y,
traceback.extract_stack(limit=self.__btlevels),
"")
OnceLogger.__call__(self, msgid, fullmsg, self.__maxcount)
def setUp(self):
self.msg = "Test level 2"
# output stream
self.sout = StringIO()
self.once = OnceLogger(handlers=[self.sout])
# set verbose to 4th level
self.__oldverbosehandlers = verbose.handlers
verbose.handlers = [] # so debug doesn't spoil it
verbose.level = 4
if __debug__:
self.__olddebughandlers = debug.handlers
self.__olddebugactive = debug.active
debug.active = ['1', '2', 'SLC']
debug.handlers = [self.sout]
debug.offsetbydepth = False
verbose.handlers = [self.sout]
