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import sys
from _pydev_bundle import pydev_log
from _pydev_bundle._pydev_saved_modules import threading
from _pydevd_bundle.pydevd_comm import get_global_debugger
from pydevd_file_utils import get_abs_path_real_path_and_base_from_frame, NORM_PATHS_AND_BASE_CONTAINER
from _pydevd_bundle.pydevd_additional_thread_info import set_additional_thread_info
class DummyTracingHolder:
dummy_trace_func = None
def set_trace_func(self, trace_func):
self.dummy_trace_func = trace_func
dummy_tracing_holder = DummyTracingHolder()
def update_globals_dict(globals_dict):
new_globals = {"_pydev_stop_at_break": _pydev_stop_at_break}
globals_dict.update(new_globals)
def _get_line_for_frame(frame):
# it's absolutely necessary to reset tracing function for frame in order to get the real line number
tracing_func = frame.f_trace
frame.f_trace = None
line = frame.f_lineno
frame.f_trace = tracing_func
return line
def _pydev_stop_at_break(line):
frame = sys._getframe(1)
# print('pydevd SET TRACING at ', line, 'curr line', frame.f_lineno)
t = threading.current_thread()
try:
additional_info = t.additional_info
except:
additional_info = set_additional_thread_info(t)
if additional_info.is_tracing:
return
additional_info.is_tracing += 1
try:
py_db = get_global_debugger()
if py_db is None:
return
pydev_log.debug("Setting f_trace due to frame eval mode in file: %s on line %s", frame.f_code.co_filename, line)
additional_info.trace_suspend_type = "frame_eval"
pydevd_frame_eval_cython_wrapper = sys.modules["_pydevd_frame_eval.pydevd_frame_eval_cython_wrapper"]
thread_info = pydevd_frame_eval_cython_wrapper.get_thread_info_py()
if thread_info.thread_trace_func is not None:
frame.f_trace = thread_info.thread_trace_func
else:
frame.f_trace = py_db.get_thread_local_trace_func()
finally:
additional_info.is_tracing -= 1
def _pydev_needs_stop_at_break(line):
"""
We separate the functionality into 2 functions so that we can generate a bytecode which
generates a spurious line change so that we can do:
if _pydev_needs_stop_at_break():
# Set line to line -1
_pydev_stop_at_break()
# then, proceed to go to the current line
# (which will then trigger a line event).
"""
t = threading.current_thread()
try:
additional_info = t.additional_info
except:
additional_info = set_additional_thread_info(t)
if additional_info.is_tracing:
return False
additional_info.is_tracing += 1
try:
frame = sys._getframe(1)
# print('pydev needs stop at break?', line, 'curr line', frame.f_lineno, 'curr trace', frame.f_trace)
if frame.f_trace is not None:
# i.e.: this frame is already being traced, thus, we don't need to use programmatic breakpoints.
return False
py_db = get_global_debugger()
if py_db is None:
return False
try:
abs_path_real_path_and_base = NORM_PATHS_AND_BASE_CONTAINER[frame.f_code.co_filename]
except:
abs_path_real_path_and_base = get_abs_path_real_path_and_base_from_frame(frame)
canonical_normalized_filename = abs_path_real_path_and_base[1]
try:
python_breakpoint = py_db.breakpoints[canonical_normalized_filename][line]
except:
# print("Couldn't find breakpoint in the file %s on line %s" % (frame.f_code.co_filename, line))
# Could be KeyError if line is not there or TypeError if breakpoints_for_file is None.
# Note: using catch-all exception for performance reasons (if the user adds a breakpoint
# and then removes it after hitting it once, this method added for the programmatic
# breakpoint will keep on being called and one of those exceptions will always be raised
# here).
return False
if python_breakpoint:
# print('YES')
return True
finally:
additional_info.is_tracing -= 1
return False
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