https://github.com/python/cpython/commit/5e58548ebe8f7ac8c6cb0bad775912caa4090515
commit: 5e58548ebe8f7ac8c6cb0bad775912caa4090515
branch: main
author: LloydZ <[email protected]>
committer: gaogaotiantian <[email protected]>
date: 2025-12-01T20:41:54-08:00
summary:
gh-59000: Fix pdb breakpoint resolution for class methods when module not
imported (#141949)
files:
A Misc/NEWS.d/next/Library/2025-11-25-16-00-29.gh-issue-59000.YtOyJy.rst
M Lib/pdb.py
M Lib/test/test_pdb.py
diff --git a/Lib/pdb.py b/Lib/pdb.py
index 60b713ebaf3d1a..18cee7e9ae60e1 100644
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -1487,7 +1487,9 @@ def lineinfo(self, identifier):
f = self.lookupmodule(parts[0])
if f:
fname = f
- item = parts[1]
+ item = parts[1]
+ else:
+ return failed
answer = find_function(item, self.canonic(fname))
return answer or failed
diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index 34dfc220c7ed73..8d582742499815 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -4587,6 +4587,22 @@ def bar():
]))
self.assertIn('break in bar', stdout)
+ def test_issue_59000(self):
+ script = """
+ def foo():
+ pass
+
+ class C:
+ def foo(self):
+ pass
+ """
+ commands = """
+ break C.foo
+ quit
+ """
+ stdout, stderr = self.run_pdb_script(script, commands)
+ self.assertIn("The specified object 'C.foo' is not a function", stdout)
+
class ChecklineTests(unittest.TestCase):
def setUp(self):
diff --git
a/Misc/NEWS.d/next/Library/2025-11-25-16-00-29.gh-issue-59000.YtOyJy.rst
b/Misc/NEWS.d/next/Library/2025-11-25-16-00-29.gh-issue-59000.YtOyJy.rst
new file mode 100644
index 00000000000000..33ab8a0659e4a2
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-11-25-16-00-29.gh-issue-59000.YtOyJy.rst
@@ -0,0 +1 @@
+Fix :mod:`pdb` breakpoint resolution for class methods when the module
defining the class is not imported.
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