https://github.com/python/cpython/commit/baccfdb3d4d004cfb5308674e5e6ea6e598abcd7
commit: baccfdb3d4d004cfb5308674e5e6ea6e598abcd7
branch: main
author: devdanzin <74280297+devdan...@users.noreply.github.com>
committer: ambv <luk...@langa.pl>
date: 2025-06-02T13:04:59+02:00
summary:
gh-130999: Avoid exiting the new REPL when there are non-string candidates for
suggestions (gh-131001)
files:
A Misc/NEWS.d/next/Library/2025-03-09-03-13-41.gh-issue-130999.tBRBVB.rst
M Lib/test/test_pyrepl/test_pyrepl.py
M Lib/test/test_traceback.py
M Lib/traceback.py
diff --git a/Lib/test/test_pyrepl/test_pyrepl.py
b/Lib/test/test_pyrepl/test_pyrepl.py
index aa3a592766d6d1..98bae7dd703fd9 100644
--- a/Lib/test/test_pyrepl/test_pyrepl.py
+++ b/Lib/test/test_pyrepl/test_pyrepl.py
@@ -1672,6 +1672,17 @@ def test_null_byte(self):
self.assertEqual(exit_code, 0)
self.assertNotIn("TypeError", output)
+ @force_not_colorized
+ def test_non_string_suggestion_candidates(self):
+ commands = ("import runpy\n"
+ "runpy._run_module_code('blech', {0: '', 'bluch': ''},
'')\n"
+ "exit()\n")
+
+ output, exit_code = self.run_repl(commands)
+ self.assertEqual(exit_code, 0)
+ self.assertNotIn("all elements in 'candidates' must be strings",
output)
+ self.assertIn("bluch", output)
+
def test_readline_history_file(self):
# skip, if readline module is not available
readline = import_module('readline')
diff --git a/Lib/test/test_traceback.py b/Lib/test/test_traceback.py
index b9be87f357ffdd..6b2271f5d5ba8d 100644
--- a/Lib/test/test_traceback.py
+++ b/Lib/test/test_traceback.py
@@ -4188,6 +4188,15 @@ def __dir__(self):
self.assertNotIn("blech", actual)
self.assertNotIn("oh no!", actual)
+ def test_attribute_error_with_non_string_candidates(self):
+ class T:
+ bluch = 1
+
+ instance = T()
+ instance.__dict__[0] = 1
+ actual = self.get_suggestion(instance, 'blich')
+ self.assertIn("bluch", actual)
+
def test_attribute_error_with_bad_name(self):
def raise_attribute_error_with_bad_name():
raise AttributeError(name=12, obj=23)
@@ -4301,6 +4310,13 @@ def test_import_from_suggestions_underscored(self):
self.assertIn("'_bluch'", self.get_import_from_suggestion(code,
'_luch'))
self.assertNotIn("'_bluch'", self.get_import_from_suggestion(code,
'bluch'))
+ def test_import_from_suggestions_non_string(self):
+ modWithNonStringAttr = textwrap.dedent("""\
+ globals()[0] = 1
+ bluch = 1
+ """)
+ self.assertIn("'bluch'",
self.get_import_from_suggestion(modWithNonStringAttr, 'blech'))
+
def test_import_from_suggestions_do_not_trigger_for_long_attributes(self):
code = "blech = None"
@@ -4397,6 +4413,14 @@ def func():
actual = self.get_suggestion(func)
self.assertIn("'ZeroDivisionError'?", actual)
+ def test_name_error_suggestions_with_non_string_candidates(self):
+ def func():
+ abc = 1
+ globals()[0] = 1
+ abv
+ actual = self.get_suggestion(func)
+ self.assertIn("abc", actual)
+
def test_name_error_suggestions_do_not_trigger_for_long_names(self):
def func():
somethingverywronghehehehehehe = None
diff --git a/Lib/traceback.py b/Lib/traceback.py
index 17b082eced6f05..a1f175dbbaa421 100644
--- a/Lib/traceback.py
+++ b/Lib/traceback.py
@@ -1595,7 +1595,11 @@ def _compute_suggestion_error(exc_value, tb, wrong_name):
if isinstance(exc_value, AttributeError):
obj = exc_value.obj
try:
- d = dir(obj)
+ try:
+ d = dir(obj)
+ except TypeError: # Attributes are unsortable, e.g. int and str
+ d = list(obj.__class__.__dict__.keys()) +
list(obj.__dict__.keys())
+ d = sorted([x for x in d if isinstance(x, str)])
hide_underscored = (wrong_name[:1] != '_')
if hide_underscored and tb is not None:
while tb.tb_next is not None:
@@ -1610,7 +1614,11 @@ def _compute_suggestion_error(exc_value, tb, wrong_name):
elif isinstance(exc_value, ImportError):
try:
mod = __import__(exc_value.name)
- d = dir(mod)
+ try:
+ d = dir(mod)
+ except TypeError: # Attributes are unsortable, e.g. int and str
+ d = list(mod.__dict__.keys())
+ d = sorted([x for x in d if isinstance(x, str)])
if wrong_name[:1] != '_':
d = [x for x in d if x[:1] != '_']
except Exception:
@@ -1628,6 +1636,7 @@ def _compute_suggestion_error(exc_value, tb, wrong_name):
+ list(frame.f_globals)
+ list(frame.f_builtins)
)
+ d = [x for x in d if isinstance(x, str)]
# Check first if we are in a method and the instance
# has the wrong name as attribute
diff --git
a/Misc/NEWS.d/next/Library/2025-03-09-03-13-41.gh-issue-130999.tBRBVB.rst
b/Misc/NEWS.d/next/Library/2025-03-09-03-13-41.gh-issue-130999.tBRBVB.rst
new file mode 100644
index 00000000000000..157522f9aab1b6
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-03-09-03-13-41.gh-issue-130999.tBRBVB.rst
@@ -0,0 +1,2 @@
+Avoid exiting the new REPL and offer suggestions even if there are non-string
+candidates when errors occur.
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