def addFilter(self, _filter_object_or_handler_or_names):
"""
filter entity could be passed as filter object itself, handler method
or a name of filter class
"""
arg_count = get_method_arguments_count(_filter_object_or_handler_or_names) # @IgnorePep8
# filter as a string
if isinstance(_filter_object_or_handler_or_names, str):
for filter_name in expand_to_real_filters_names(
_filter_object_or_handler_or_names):
if filter_name == None:
return
_module = get_package_for_filter(filter_name)
filter_object = create_class_object_with_suffix(
get_package_for_filter(filter_name),
filter_name,
_suffix='Filter')
filter_object = filter_object(_shift=self.__shift__)
filter_object.arg_count = -1
self.__filters__.append(filter_object)
# filter as a function
elif arg_count > -1:
filter_method = _filter_object_or_handler_or_names
filter_method.arg_count = arg_count
self.__filters__.append(filter_method)
# filter as an object
else:
filter_object = _filter_object_or_handler_or_names
filter_object.arg_count = -1
self.__filters__.append(filter_object)
def addFilter(self, _filter_object_or_handler_or_names):
"""
filter entity could be passed as filter object itself, handler method
or a name of filter class
"""
arg_count = get_method_arguments_count(
_filter_object_or_handler_or_names) # @IgnorePep8
# filter as a string
if isinstance(_filter_object_or_handler_or_names, str):
for filter_name in expand_to_real_filters_names(
_filter_object_or_handler_or_names):
if filter_name == None:
return
_module = get_package_for_filter(filter_name)
filter_object = create_class_object_with_suffix(
get_package_for_filter(filter_name),
filter_name,
_suffix='Filter')
filter_object = filter_object(_shift=self.__shift__)
filter_object.arg_count = -1
self.__filters__.append(filter_object)
# filter as a function
elif arg_count > -1:
filter_method = _filter_object_or_handler_or_names
filter_method.arg_count = arg_count
self.__filters__.append(filter_method)
# filter as an object
else:
filter_object = _filter_object_or_handler_or_names
filter_object.arg_count = -1
self.__filters__.append(filter_object)
def handler(self, _handler):
if _handler:
#name of a handler is a name of statistic
self.name = getattr(_handler, 'name', None)
if self.name is None:
self.name = locals().get('_handler').__name__
self.__handler__ = _handler
#add number of arguments of a handler
self.__handler__.arg_count = \
get_method_arguments_count(self.__handler__)
def handler(self, _handler):
if _handler:
#name of a handler is a name of statistic
self.name = getattr(_handler, 'name', None)
if self.name is None:
self.name = locals().get('_handler').__name__
self.__handler__ = _handler
#add number of arguments of a handler
self.__handler__.arg_count = \
get_method_arguments_count(self.__handler__)
