def trace(self, frame, event, arg):
if not self._is_traced_frame(frame):
if (self.depth == 1 or self._is_internal_frame(frame)
) and not is_comprehension_frame(frame):
return None
else:
candidate = frame
i = 0
while True:
if is_comprehension_frame(candidate):
candidate = candidate.f_back
continue
i += 1
if self._is_traced_frame(candidate):
break
candidate = candidate.f_back
if i >= self.depth or candidate is None or self._is_internal_frame(
candidate):
return None
thread_local = self.config.thread_local
thread_local.__dict__.setdefault('depth', -1)
frame_info = self.frame_infos[frame]
if event in ('call', 'enter'):
thread_local.depth += 1
elif self.config.last_frame and self.config.last_frame is not frame:
line_no = frame_info.last_line_no
trace_event = Event(frame_info,
event,
arg,
thread_local.depth,
line_no=line_no)
line = self.config.formatter.format_line_only(trace_event)
self.config.write(line)
if event == 'exception':
frame_info.had_exception = True
self.config.last_frame = frame
trace_event = Event(frame_info, event, arg, thread_local.depth)
if not (frame.f_code.co_name == '<genexpr>'
and event not in ('return', 'exception')):
trace_event.variables = frame_info.update_variables(
self.watch,
self.config.watch_extras,
event,
self.variable_whitelist,
)
if event in ('return', 'exit'):
del self.frame_infos[frame]
thread_local.depth -= 1
formatted = self.config.formatter.format(trace_event)
self.config.write(formatted)
return self.trace
def __init__(self, frame):
self.frame = frame
self.local_reprs = {}
self.last_line_no = frame.f_lineno
self.comprehension_variables = OrderedDict()
self.source = Source.for_frame(frame)
self.is_generator = frame.f_code.co_flags & inspect.CO_GENERATOR
self.had_exception = False
if is_comprehension_frame(frame):
self.comprehension_type = (re.match(
r'<(\w+)comp>', frame.f_code.co_name).group(1).title() +
u' comprehension')
else:
self.comprehension_type = ''
def __init__(self, frame):
self.frame = frame
self.local_reprs = {}
self.last_line_no = frame.f_lineno
self.comprehension_variables = OrderedDict()
self.source = Source.for_frame(frame)
code = frame.f_code
self.is_generator = code.co_flags & inspect.CO_GENERATOR
self.had_exception = False
if is_comprehension_frame(frame):
self.comprehension_type = (
re.match(r'<(\w+)comp>', code.co_name).group(1).title() +
u' comprehension')
else:
self.comprehension_type = ''
self.is_ipython_cell = (code.co_name == '<module>' and
code.co_filename.startswith('<ipython-input-'))