mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-25 03:04:55 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

gh-109052: Use the base opcode when comparing code objects (gh-109107)

Browse source
This commit is contained in:
Tian Gao 2023-09-08 18:24:49 -07:00 • committed by GitHub
parent a56c928756
commit 057bc72490
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 24 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

19
Lib/test/test_code.py
View file

@ -505,6 +505,25 @@ class CodeTest(unittest.TestCase):
self.assertNotEqual(c, c1)
self.assertNotEqual(hash(c), hash(c1))
@cpython_only
def test_code_equal_with_instrumentation(self):
""" GH-109052
Make sure the instrumentation doesn't affect the code equality
The validity of this test relies on the fact that "x is x" and
"x in x" have only one different instruction and the instructions
have the same argument.
"""
code1 = compile("x is x", "example.py", "eval")
code2 = compile("x in x", "example.py", "eval")
sys._getframe().f_trace_opcodes = True
sys.settrace(lambda *args: None)
exec(code1, {'x': []})
exec(code2, {'x': []})
self.assertNotEqual(code1, code2)
sys.settrace(None)
def isinterned(s):
return s is sys.intern(('_' + s + '_')[1:-1])