def handle_exception(self, frame, event, arg):
try:
# print('handle_exception', frame.f_lineno, frame.f_code.co_name)
# We have 3 things in arg: exception type, description, traceback object
trace_obj = arg[2]
main_debugger = self._args[0]
initial_trace_obj = trace_obj
if trace_obj.tb_next is None and trace_obj.tb_frame is frame:
# I.e.: tb_next should be only None in the context it was thrown (trace_obj.tb_frame is frame is just a double check).
pass
else:
# Get the trace_obj from where the exception was raised...
while trace_obj.tb_next is not None:
trace_obj = trace_obj.tb_next
if main_debugger.ignore_exceptions_thrown_in_lines_with_ignore_exception:
for check_trace_obj in (initial_trace_obj, trace_obj):
filename = get_abs_path_real_path_and_base_from_frame(check_trace_obj.tb_frame)[1]
filename_to_lines_where_exceptions_are_ignored = self.filename_to_lines_where_exceptions_are_ignored
lines_ignored = filename_to_lines_where_exceptions_are_ignored.get(filename)
if lines_ignored is None:
lines_ignored = filename_to_lines_where_exceptions_are_ignored[filename] = {}
try:
curr_stat = os.stat(filename)
curr_stat = (curr_stat.st_size, curr_stat.st_mtime)
except:
curr_stat = None
last_stat = self.filename_to_stat_info.get(filename)
if last_stat != curr_stat:
self.filename_to_stat_info[filename] = curr_stat
lines_ignored.clear()
try:
linecache.checkcache(filename)
except:
# Jython 2.1
linecache.checkcache()
from_user_input = main_debugger.filename_to_lines_where_exceptions_are_ignored.get(filename)
if from_user_input:
merged = {}
merged.update(lines_ignored)
# Override what we have with the related entries that the user entered
merged.update(from_user_input)
else:
merged = lines_ignored
exc_lineno = check_trace_obj.tb_lineno
# print ('lines ignored', lines_ignored)
# print ('user input', from_user_input)
# print ('merged', merged, 'curr', exc_lineno)
if exc_lineno not in merged: # Note: check on merged but update lines_ignored.
try:
line = linecache.getline(filename, exc_lineno, check_trace_obj.tb_frame.f_globals)
except:
# Jython 2.1
line = linecache.getline(filename, exc_lineno)
if IGNORE_EXCEPTION_TAG.match(line) is not None:
lines_ignored[exc_lineno] = 1
return
else:
# Put in the cache saying not to ignore
lines_ignored[exc_lineno] = 0
else:
# Ok, dict has it already cached, so, let's check it...
if merged.get(exc_lineno, 0):
return
thread = self._args[3]
try:
frame_id_to_frame = {}
frame_id_to_frame[id(frame)] = frame
f = trace_obj.tb_frame
while f is not None:
frame_id_to_frame[id(f)] = f
f = f.f_back
f = None
thread_id = get_current_thread_id(thread)
pydevd_vars.add_additional_frame_by_id(thread_id, frame_id_to_frame)
try:
main_debugger.send_caught_exception_stack(thread, arg, id(frame))
self.set_suspend(thread, CMD_STEP_CAUGHT_EXCEPTION)
self.do_wait_suspend(thread, frame, event, arg)
main_debugger.send_caught_exception_stack_proceeded(thread)
finally:
pydevd_vars.remove_additional_frame_by_id(thread_id)
except:
traceback.print_exc()
main_debugger.set_trace_for_frame_and_parents(frame)
finally:
# Make sure the user cannot see the '__exception__' we added after we leave the suspend state.
remove_exception_from_frame(frame)
# Clear some local variables...
frame = None
trace_obj = None
initial_trace_obj = None
check_trace_obj = None
f = None
frame_id_to_frame = None
main_debugger = None
thread = None
def should_stop_on_exception(self, frame, event, arg):
# ENDIF
# main_debugger, _filename, info, _thread = self._args
main_debugger = self._args[0]
info = self._args[2]
flag = False
# STATE_SUSPEND = 2
if info.pydev_state != 2: #and breakpoint is not None:
exception, value, trace = arg
if trace is not None: #on jython trace is None on the first event
exception_breakpoint = get_exception_breakpoint(
exception, main_debugger.break_on_caught_exceptions)
if exception_breakpoint is not None:
add_exception_to_frame(frame, (exception, value, trace))
if exception_breakpoint.condition is not None:
eval_result = handle_breakpoint_condition(main_debugger, info, exception_breakpoint, frame)
if not eval_result:
return False, frame
if exception_breakpoint.ignore_libraries:
if exception_breakpoint.notify_on_first_raise_only:
if main_debugger.first_appearance_in_scope(trace):
add_exception_to_frame(frame, (exception, value, trace))
try:
info.pydev_message = exception_breakpoint.qname
except:
info.pydev_message = exception_breakpoint.qname.encode('utf-8')
flag = True
else:
pydev_log.debug("Ignore exception %s in library %s" % (exception, frame.f_code.co_filename))
flag = False
else:
if not exception_breakpoint.notify_on_first_raise_only or just_raised(trace):
add_exception_to_frame(frame, (exception, value, trace))
try:
info.pydev_message = exception_breakpoint.qname
except:
info.pydev_message = exception_breakpoint.qname.encode('utf-8')
flag = True
else:
flag = False
else:
try:
if main_debugger.plugin is not None:
result = main_debugger.plugin.exception_break(main_debugger, self, frame, self._args, arg)
if result:
flag, frame = result
except:
flag = False
if flag:
if exception_breakpoint is not None and exception_breakpoint.expression is not None:
handle_breakpoint_expression(exception_breakpoint, info, frame)
else:
remove_exception_from_frame(frame)
return flag, frame
def should_stop_on_exception(self, frame, event, arg):
# ENDIF
# main_debugger, _filename, info, _thread = self._args
main_debugger = self._args[0]
info = self._args[2]
should_stop = False
# STATE_SUSPEND = 2
if info.pydev_state != 2: # and breakpoint is not None:
exception, value, trace = arg
if trace is not None and hasattr(trace, 'tb_next'):
# on jython trace is None on the first event and it may not have a tb_next.
exception_breakpoint = get_exception_breakpoint(
exception, main_debugger.break_on_caught_exceptions)
is_real = is_real_file(frame.f_code.co_filename)
if exception_breakpoint is not None:
if exception_breakpoint.condition is not None:
# Always add exception to frame (must remove later after we proceed).
add_exception_to_frame(frame,
(exception, value, trace))
eval_result = handle_breakpoint_condition(
main_debugger, info, exception_breakpoint, frame)
remove_exception_from_frame(frame)
if not eval_result:
return False, frame
if exception_breakpoint.ignore_libraries:
if not main_debugger.is_exception_trace_in_project_scope(
trace):
return False, frame
if ignore_exception_trace(trace):
return False, frame
was_just_raised = just_raised(trace)
if was_just_raised:
if main_debugger.skip_on_exceptions_thrown_in_same_context:
# Option: Don't break if an exception is caught in the same function from which it is thrown
return False, frame
if exception_breakpoint.notify_on_first_raise_only:
if main_debugger.skip_on_exceptions_thrown_in_same_context:
# In this case we never stop if it was just raised, so, to know if it was the first we
# need to check if we're in the 2nd method.
if not was_just_raised and not just_raised(
trace.tb_next):
return False, frame # I.e.: we stop only when we're at the caller of a method that throws an exception
else:
if not was_just_raised and not main_debugger.is_top_level_trace_in_project_scope(
trace):
return False, frame # I.e.: we stop only when it was just raised
# If it got here we should stop.
should_stop = True
try:
info.pydev_message = exception_breakpoint.qname
except:
info.pydev_message = exception_breakpoint.qname.encode(
'utf-8')
# Always add exception to frame (must remove later after we proceed).
add_exception_to_frame(frame, (exception, value, trace))
info.pydev_message = "python-%s" % info.pydev_message
else:
# No regular exception breakpoint, let's see if some plugin handles it.
try:
if main_debugger.plugin is not None:
result = main_debugger.plugin.exception_break(
main_debugger, self, frame, self._args, arg)
if result:
should_stop, frame = result
except:
should_stop = False
if should_stop:
if exception_breakpoint is not None and exception_breakpoint.expression is not None:
handle_breakpoint_expression(exception_breakpoint,
info, frame)
return should_stop, frame
def handle_exception(self, frame, event, arg):
try:
# print('handle_exception', frame.f_lineno, frame.f_code.co_name)
# We have 3 things in arg: exception type, description, traceback object
trace_obj = arg[2]
main_debugger = self._args[0]
initial_trace_obj = trace_obj
if trace_obj.tb_next is None and trace_obj.tb_frame is frame:
# I.e.: tb_next should be only None in the context it was thrown (trace_obj.tb_frame is frame is just a double check).
pass
else:
# Get the trace_obj from where the exception was raised...
while trace_obj.tb_next is not None:
trace_obj = trace_obj.tb_next
if main_debugger.ignore_exceptions_thrown_in_lines_with_ignore_exception:
for check_trace_obj in (initial_trace_obj, trace_obj):
filename = get_abs_path_real_path_and_base_from_frame(check_trace_obj.tb_frame)[1]
filename_to_lines_where_exceptions_are_ignored = self.filename_to_lines_where_exceptions_are_ignored
lines_ignored = filename_to_lines_where_exceptions_are_ignored.get(filename)
if lines_ignored is None:
lines_ignored = filename_to_lines_where_exceptions_are_ignored[filename] = {}
try:
curr_stat = os.stat(filename)
curr_stat = (curr_stat.st_size, curr_stat.st_mtime)
except:
curr_stat = None
last_stat = self.filename_to_stat_info.get(filename)
if last_stat != curr_stat:
self.filename_to_stat_info[filename] = curr_stat
lines_ignored.clear()
try:
linecache.checkcache(filename)
except:
# Jython 2.1
linecache.checkcache()
from_user_input = main_debugger.filename_to_lines_where_exceptions_are_ignored.get(filename)
if from_user_input:
merged = {}
merged.update(lines_ignored)
# Override what we have with the related entries that the user entered
merged.update(from_user_input)
else:
merged = lines_ignored
exc_lineno = check_trace_obj.tb_lineno
# print ('lines ignored', lines_ignored)
# print ('user input', from_user_input)
# print ('merged', merged, 'curr', exc_lineno)
if exc_lineno not in merged: # Note: check on merged but update lines_ignored.
try:
line = linecache.getline(filename, exc_lineno, check_trace_obj.tb_frame.f_globals)
except:
# Jython 2.1
line = linecache.getline(filename, exc_lineno)
if IGNORE_EXCEPTION_TAG.match(line) is not None:
lines_ignored[exc_lineno] = 1
return
else:
# Put in the cache saying not to ignore
lines_ignored[exc_lineno] = 0
else:
# Ok, dict has it already cached, so, let's check it...
if merged.get(exc_lineno, 0):
return
thread = self._args[3]
try:
frame_id_to_frame = {}
frame_id_to_frame[id(frame)] = frame
f = trace_obj.tb_frame
while f is not None:
frame_id_to_frame[id(f)] = f
f = f.f_back
f = None
thread_id = get_thread_id(thread)
pydevd_vars.add_additional_frame_by_id(thread_id, frame_id_to_frame)
try:
main_debugger.send_caught_exception_stack(thread, arg, id(frame))
self.set_suspend(thread, CMD_STEP_CAUGHT_EXCEPTION)
self.do_wait_suspend(thread, frame, event, arg)
main_debugger.send_caught_exception_stack_proceeded(thread)
finally:
pydevd_vars.remove_additional_frame_by_id(thread_id)
except:
traceback.print_exc()
main_debugger.set_trace_for_frame_and_parents(frame)
finally:
# Make sure the user cannot see the '__exception__' we added after we leave the suspend state.
remove_exception_from_frame(frame)
# Clear some local variables...
frame = None
trace_obj = None
initial_trace_obj = None
check_trace_obj = None
f = None
frame_id_to_frame = None
main_debugger = None
thread = None
