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-rwxr-xr-xLib/pydoc.py9
-rw-r--r--Lib/test/test_pydoc.py10
-rw-r--r--Misc/NEWS2
3 files changed, 18 insertions, 3 deletions
diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index cf164ccfca..3873d5554a 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -1244,9 +1244,12 @@ location listed above.
doc = getdoc(value)
else:
doc = None
- push(self.docother(
- getattr(object, name, None) or homecls.__dict__[name],
- name, mod, maxlen=70, doc=doc) + '\n')
+ try:
+ obj = getattr(object, name)
+ except AttributeError:
+ obj = homecls.__dict__[name]
+ push(self.docother(obj, name, mod, maxlen=70, doc=doc) +
+ '\n')
return attrs
attrs = [(name, kind, cls, value)
diff --git a/Lib/test/test_pydoc.py b/Lib/test/test_pydoc.py
index 105116a5c0..9909b9ae53 100644
--- a/Lib/test/test_pydoc.py
+++ b/Lib/test/test_pydoc.py
@@ -386,6 +386,16 @@ class PydocDocTest(unittest.TestCase):
print_diffs(expected_text, result)
self.fail("outputs are not equal, see diff above")
+ def test_text_enum_member_with_value_zero(self):
+ # Test issue #20654 to ensure enum member with value 0 can be
+ # displayed. It used to throw KeyError: 'zero'.
+ import enum
+ class BinaryInteger(enum.IntEnum):
+ zero = 0
+ one = 1
+ doc = pydoc.render_doc(BinaryInteger)
+ self.assertIn('<BinaryInteger.zero: 0>', doc)
+
def test_issue8225(self):
# Test issue8225 to ensure no doc link appears for xml.etree
result, doc_loc = get_pydoc_text(xml.etree)
diff --git a/Misc/NEWS b/Misc/NEWS
index 3cd8d25bb7..8c33888b2c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -28,6 +28,8 @@ Core and Builtins
Library
-------
+- Issue #20654: Fixed pydoc for enums with zero value. Patch by Vajrasky Kok.
+
- Issue #20635: Fixed grid_columnconfigure() and grid_rowconfigure() methods of
Tkinter widgets to work in wantobjects=True mode.