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gh-141510: Add frozendict support to python-gdb.py by vstinner · Pull Request #145511 · python/cpython · GitHub

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gh-141510: Add frozendict support to python-gdb.py #145511

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Merged
vstinner merged 1 commit into from
Mar 4, 2026
+20 −2
Conversation 1 Commits 1 Checks 51 Files changed 2
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gh-141510: Add frozendict support to python-gdb.py #145511

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9 changes: 8 additions & 1 deletion Lib/test/test_gdb/test_pretty_print.py
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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,14 @@ def test_dicts(self):
self.assertGdbRepr({})
self.assertGdbRepr({'foo': 'bar'}, "{'foo': 'bar'}")
# Python preserves insertion order since 3.6
self.assertGdbRepr({'foo': 'bar', 'douglas': 42}, "{'foo': 'bar', 'douglas': 42}")
self.assertGdbRepr({'foo': 'bar', 'douglas': 42},
"{'foo': 'bar', 'douglas': 42}")

# frozendict
self.assertGdbRepr(frozendict(),
"frozendict({})")
self.assertGdbRepr(frozendict({'foo': 'bar', 'douglas': 42}),
"frozendict({'foo': 'bar', 'douglas': 42})")

def test_lists(self):
'Verify the pretty-printing of lists'
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13 changes: 12 additions & 1 deletion Tools/gdb/libpython.py
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Original file line number Diff line number Diff line change
Expand Up @@ -352,6 +352,7 @@ def subclass_from_type(cls, t):
'frame': PyFrameObjectPtr,
'set' : PySetObjectPtr,
'frozenset' : PySetObjectPtr,
'frozendict' : PyDictObjectPtr,
'builtin_function_or_method' : PyCFunctionObjectPtr,
'method-wrapper': wrapperobject,
}
Expand Down Expand Up @@ -815,12 +816,20 @@ def proxyval(self, visited):
return result

def write_repr(self, out, visited):
tp_name = self.safe_tp_name()
is_frozendict = (tp_name == "frozendict")

# Guard against infinite loops:
if self.as_address() in visited:
out.write('{...}')
if is_frozendict:
out.write(tp_name + '({...})')
else:
out.write('{...}')
return
visited.add(self.as_address())

if is_frozendict:
out.write(tp_name + '(')
out.write('{')
first = True
for pyop_key, pyop_value in self.iteritems():
Expand All @@ -831,6 +840,8 @@ def write_repr(self, out, visited):
out.write(': ')
pyop_value.write_repr(out, visited)
out.write('}')
if is_frozendict:
out.write(')')

@staticmethod
def _get_entries(keys):
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