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-rw-r--r--Lib/doctest.py15
1 files changed, 13 insertions, 2 deletions
diff --git a/Lib/doctest.py b/Lib/doctest.py
index e95c333..ba898f6 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -973,6 +973,17 @@ class DocTestFinder:
else:
raise ValueError("object must be a class or function")
+ def _is_routine(self, obj):
+ """
+ Safely unwrap objects and determine if they are functions.
+ """
+ maybe_routine = obj
+ try:
+ maybe_routine = inspect.unwrap(maybe_routine)
+ except ValueError:
+ pass
+ return inspect.isroutine(maybe_routine)
+
def _find(self, tests, obj, name, module, source_lines, globs, seen):
"""
Find tests for the given object and any contained objects, and
@@ -995,9 +1006,9 @@ class DocTestFinder:
if inspect.ismodule(obj) and self._recurse:
for valname, val in obj.__dict__.items():
valname = '%s.%s' % (name, valname)
+
# Recurse to functions & classes.
- if ((inspect.isroutine(inspect.unwrap(val))
- or inspect.isclass(val)) and
+ if ((self._is_routine(val) or inspect.isclass(val)) and
self._from_module(module, val)):
self._find(tests, val, valname, module, source_lines,
globs, seen)