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gh-116987: Support class code objects in inspect.findsource() (GH-117025)
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@ -1157,15 +1157,8 @@ def findsource(object):
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if not hasattr(object, 'co_firstlineno'):
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raise OSError('could not find function definition')
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lnum = object.co_firstlineno - 1
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pat = re.compile(r'^(\s*def\s)|(\s*async\s+def\s)|(.*(?<!\w)lambda(:|\s))|^(\s*@)')
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while lnum > 0:
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try:
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line = lines[lnum]
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except IndexError:
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raise OSError('lineno is out of bounds')
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if pat.match(line):
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break
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lnum = lnum - 1
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if lnum >= len(lines):
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raise OSError('lineno is out of bounds')
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return lines, lnum
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raise OSError('could not find code object')
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@ -310,3 +310,8 @@ def f():
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class cls310:
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def g():
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pass
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# line 314
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class ClassWithCodeObject:
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import sys
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code = sys._getframe(0).f_code
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@ -983,6 +983,9 @@ def test_findsource_with_out_of_bounds_lineno(self):
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def test_getsource_on_method(self):
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self.assertSourceEqual(mod2.ClassWithMethod.method, 118, 119)
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def test_getsource_on_class_code_object(self):
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self.assertSourceEqual(mod2.ClassWithCodeObject.code, 315, 317)
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def test_nested_func(self):
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self.assertSourceEqual(mod2.cls135.func136, 136, 139)
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@ -0,0 +1 @@
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Fixed :func:`inspect.findsource` for class code objects.
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