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# coding: utf-8
import sys
from _pydevd_bundle.pydevd_constants import EXCEPTION_TYPE_USER_UNHANDLED
import pytest
from tests_python.debug_constants import IS_PY311_OR_GREATER
def test_create_frames_list_from_traceback():
def method():
raise RuntimeError("first")
def method1():
try:
method()
except Exception as e:
raise RuntimeError("second") from e
def method2():
try:
method1()
except Exception as e:
raise RuntimeError("third") from e
try:
method2()
except Exception as e:
exc_type, exc_desc, trace_obj = sys.exc_info()
frame = sys._getframe()
from _pydevd_bundle.pydevd_frame_utils import create_frames_list_from_traceback
frames_list = create_frames_list_from_traceback(trace_obj, frame, exc_type, exc_desc, exception_type=EXCEPTION_TYPE_USER_UNHANDLED)
assert str(frames_list.exc_desc) == "third"
assert str(frames_list.chained_frames_list.exc_desc) == "second"
assert str(frames_list.chained_frames_list.chained_frames_list.exc_desc) == "first"
assert frames_list.chained_frames_list.chained_frames_list.chained_frames_list is None
if IS_PY311_OR_GREATER:
import traceback
_byte_offset_to_character_offset = getattr(traceback, "_byte_offset_to_character_offset", None)
if _byte_offset_to_character_offset is not None:
_original = traceback._byte_offset_to_character_offset
def _byte_offset_to_character_offset(*args, **kwargs):
try:
return _original(*args, **kwargs)
except:
# Replacement to deal with the buggy version released on Python 3.11.0.
def replacement(str, offset):
as_utf8 = str.encode("utf-8")
if offset > len(as_utf8):
offset = len(as_utf8)
return len(as_utf8[: offset + 1].decode("utf-8", "replace"))
return replacement(*args, **kwargs)
traceback._byte_offset_to_character_offset = _byte_offset_to_character_offset
_USE_UNICODE = [False, True]
@pytest.mark.parametrize("use_unicode", _USE_UNICODE)
@pytest.mark.skipif(not IS_PY311_OR_GREATER, reason="Python 3.11 required.")
def test_collect_anchors_subscript(use_unicode):
from _pydevd_bundle.pydevd_frame_utils import create_frames_list_from_traceback
if use_unicode:
def method():
d = {"x": {"á": {"í": {"theta": 1}}}}
result = d["x"]["á"]["í"]["beta"]
else:
def method():
d = {"x": {"y": {"i": {"theta": 1}}}}
result = d["x"]["y"]["i"]["beta"]
try:
method()
except:
exc_type, exc_desc, trace_obj = sys.exc_info()
memo = {}
frame = None
frames_list = create_frames_list_from_traceback(trace_obj, frame, exc_type, exc_desc, memo)
iter_in = iter(frames_list)
f = next(iter_in)
assert f.f_code.co_name == "method"
line_col_info = frames_list.frame_id_to_line_col_info[id(f)]
if use_unicode:
line = ' result = d["x"]["á"]["í"]["beta"]'
else:
line = ' result = d["x"]["y"]["i"]["beta"]'
# Ok, so, the range that we we have covers >>d["x"]["á"]["í"]["beta"]<<
# the problem here is that ideally we'd like to present to the user that
# the current key is "beta", so, we need to do some additional computation
# to find out the proper column to show to the user.
# (see https://github.com/microsoft/debugpy/issues/1099
# for more information).
assert line_col_info.colno == line.index('d["x"]')
# It's +1 here due to the í unicode char (we need to convert from the bytes
# index to the actual character in the string to get the actual col).
if use_unicode:
assert line_col_info.end_colno == len(line) + 2
else:
assert line_col_info.end_colno == len(line)
original_line = line
col, endcol = line_col_info.map_columns_to_line(original_line)
assert col == line.index('["beta"]')
assert endcol == len(line)
@pytest.mark.parametrize("use_unicode", _USE_UNICODE)
@pytest.mark.skipif(not IS_PY311_OR_GREATER, reason="Python 3.11 required.")
def test_collect_anchors_binop_1(use_unicode):
from _pydevd_bundle.pydevd_frame_utils import create_frames_list_from_traceback
if use_unicode:
def method():
á = 1
í = 2
c = tuple
result = á + í + c
else:
def method():
a = 1
b = 2
c = tuple
result = a + b + c
try:
method()
except:
exc_type, exc_desc, trace_obj = sys.exc_info()
memo = {}
frame = None
frames_list = create_frames_list_from_traceback(trace_obj, frame, exc_type, exc_desc, memo)
iter_in = iter(frames_list)
f = next(iter_in)
assert f.f_code.co_name == "method"
line_col_info = frames_list.frame_id_to_line_col_info[id(f)]
if use_unicode:
line = " result = á + í + c"
expected_index = line.index("á + í")
else:
line = " result = a + b + c"
expected_index = line.index("a + b")
assert line_col_info.colno == expected_index
# It's +2 here due to the á and í unicode chars (we need to convert from the bytes
# index to the actual character in the string to get the actual col).
if use_unicode:
assert line_col_info.end_colno == len(line) + 2
else:
assert line_col_info.end_colno == len(line)
original_line = line
col, endcol = line_col_info.map_columns_to_line(original_line)
assert col == line.index("+ c")
assert endcol == col + 1
@pytest.mark.parametrize("use_unicode", _USE_UNICODE)
@pytest.mark.skipif(not IS_PY311_OR_GREATER, reason="Python 3.11 required.")
def test_collect_anchors_binop_2(use_unicode):
from _pydevd_bundle.pydevd_frame_utils import create_frames_list_from_traceback
if use_unicode:
def method():
á = 1
í = 2
c = tuple
result = á + c + í
else:
def method():
a = 1
b = 2
c = tuple
result = a + c + b
try:
method()
except:
exc_type, exc_desc, trace_obj = sys.exc_info()
memo = {}
frame = None
frames_list = create_frames_list_from_traceback(trace_obj, frame, exc_type, exc_desc, memo)
iter_in = iter(frames_list)
f = next(iter_in)
assert f.f_code.co_name == "method"
line_col_info = frames_list.frame_id_to_line_col_info[id(f)]
if use_unicode:
line = " result = á + c + í"
expected_index = line.index("á + c")
else:
line = " result = a + c + b"
expected_index = line.index("a + c")
assert line_col_info.colno == expected_index
# It's +2 here due to the á and í unicode chars (we need to convert from the bytes
# index to the actual character in the string to get the actual col).
if use_unicode:
assert line_col_info.end_colno == line.index("c + í") + 2
else:
assert line_col_info.end_colno == line.index("c + b") + 1
original_line = line
col, endcol = line_col_info.map_columns_to_line(original_line)
assert col == 23
assert endcol == 24
assert col == line.index("+ c")
assert endcol == col + 1
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