class SlotsFunctionContainer(object):
""" A function container using slots for the class attributes.
"""
__slots__ = ('index', '_recorder', 'record')
def __init__(self):
self.index = 0
self._recorder = RecordCounter()
self.record = self._recorder.record
def step_eight(self, frame, event, arg):
""" Eigthth step -- single char check for c events.
"""
if '_' == event[1]:
record = (
self.index, event, arg.__name__,
frame.f_lineno, frame.f_code.co_filename)
else:
code = frame.f_code
record = (
self.index, event, code.co_name,
frame.f_lineno, code.co_filename)
self._recorder.record(record)
self.index += 1
def step_nine(self, frame, event, arg):
""" Nineth step -- store the record method into a private attribute.
"""
if '_' == event[1]:
record = (
self.index, event, arg.__name__,
frame.f_lineno, frame.f_code.co_filename)
else:
code = frame.f_code
record = (
self.index, event, code.co_name,
frame.f_lineno, code.co_filename)
self.record(record)
self.index += 1
def __init__(self):
self._index = 0
self._recorder = RecordCounter()
self.namedtuple_record = FunctionRecord
self.tuple_record = lambda *x: x
class FunctionContainer(object):
""" The event function container.
Each method implements a stage in the function event (i.e. set_profile)
compatible function.
The current
"""
def __init__(self):
self._index = 0
self._recorder = RecordCounter()
self.namedtuple_record = FunctionRecord
self.tuple_record = lambda *x: x
def original_method(self, frame, event, arg):
""" The original method for the function event monitor.
"""
filename, lineno, function, _, _ = \
inspect.getframeinfo(frame, context=0)
if event.startswith('c_'):
function = arg.__name__
record = FunctionRecord(self._index, event, function, lineno, filename)
self._recorder.record(record)
self._index += 1
def step_one(self, frame, event, arg):
""" First step -- remove the use of inspect.
"""
lineno = frame.f_lineno
code = frame.f_code
filename = code.co_filename
if event.startswith('c_'):
function = arg.__name__
else:
function = code.co_name
record = FunctionRecord(self._index, event, function, lineno, filename)
self._recorder.record(record)
self._index += 1
def step_two(self, frame, event, arg):
""" Second step -- simplify check of c function related events.
"""
lineno = frame.f_lineno
code = frame.f_code
filename = code.co_filename
if 'c_' == event[:2]:
function = arg.__name__
else:
function = code.co_name
record = FunctionRecord(
self._index, event, function, lineno, filename)
self._recorder.record(record)
self._index += 1
def step_three(self, frame, event, arg):
""" Third step -- do not create the `function` variable.
"""
code = frame.f_code
if 'c_' == event[:2]:
record = FunctionRecord(
self._index, event, arg.__name__,
frame.f_lineno, code.co_filename)
else:
record = FunctionRecord(
self._index, event, code.co_name,
frame.f_lineno, code.co_filename)
self._recorder.record(record)
self._index += 1
def step_four(self, frame, event, arg):
""" Forth step -- do not create `code` variable on some events.
"""
if 'c_' == event[:2]:
record = FunctionRecord(
self._index, event, arg.__name__,
frame.f_lineno, frame.f_code.co_filename)
else:
code = frame.f_code
record = FunctionRecord(
self._index, event, code.co_name,
frame.f_lineno, code.co_filename)
self._recorder.record(record)
self._index += 1
def step_five(self, frame, event, arg):
""" Fifth step -- store the record type on an instance attribute.
.. note ::
This a marginally slower than before but we need to support custom
records.
"""
if 'c_' == event[:2]:
record = self.namedtuple_record(
self._index, event, arg.__name__,
frame.f_lineno, frame.f_code.co_filename)
else:
code = frame.f_code
record = self.namedtuple_record(
self._index, event, code.co_name,
frame.f_lineno, code.co_filename)
self._recorder.record(record)
self._index += 1
def step_six(self, frame, event, arg):
""" Sixth step -- use a tuple creating lambda instead of a named tuple.
"""
if 'c_' == event[:2]:
record = self.tuple_record(
self._index, event, arg.__name__,
frame.f_lineno, frame.f_code.co_filename)
else:
code = frame.f_code
record = self.tuple_record(
self._index, event, code.co_name,
frame.f_lineno, code.co_filename)
self._recorder.record(record)
self._index += 1
def step_seven(self, frame, event, arg):
""" Seventh step -- use a tuple instead of a lambda.
"""
if 'c_' == event[:2]:
record = (
self._index, event, arg.__name__,
frame.f_lineno, frame.f_code.co_filename)
else:
code = frame.f_code
record = (
self._index, event, code.co_name,
frame.f_lineno, code.co_filename)
self._recorder.record(record)
self._index += 1
def __init__(self):
self.index = 0
self._recorder = RecordCounter()
self.record = self._recorder.record