René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"inspect.getsourcelines() is buggy on 3.12","articleBody":"```\r\n% cat gsl.py\r\nimport inspect\r\n\r\ndef test_list_add(self):\r\n    def capybara() -\u003e None:\r\n        assert_is_value(\r\n            [x] + [y],\r\n            z,\r\n        )\r\n        assert_is_value(\r\n            # in the binop implementation\r\n            a,\r\n        )\r\n\r\nprint(inspect.getsourcelines(test_list_add))\r\n% python3.11 gsl.py \r\n(['def test_list_add(self):\\n', '    def capybara() -\u003e None:\\n', '        assert_is_value(\\n', '            [x] + [y],\\n', '            z,\\n', '        )\\n', '        assert_is_value(\\n', '            # in the binop implementation\\n', '            a,\\n', '        )\\n'], 3)\r\n% ~/py/cpython/python.exe gsl.py \r\n(['def test_list_add(self):\\n', '    def capybara() -\u003e None:\\n', '        assert_is_value(\\n', '            [x] + [y],\\n', '            z,\\n', '        )\\n', '        assert_is_value(\\n', '            # in the binop implementation\\n'], 3)\r\n% ~/py/cpython/python.exe -V\r\nPython 3.12.0b1+\r\n```\r\n\r\nOn 3.12, the last two lines (`a, )`) are not returned as part of the source lines. When I tried to minify by removing the first assert_is_value() call, it instead returned the print() line as part of the function.\r\n\r\nThis looks related to the tokenizer, cc @pablogsal @lysnikolaou.\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-104870\n* gh-104872\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/JelleZijlstra","@type":"Person","name":"JelleZijlstra"},"datePublished":"2023-05-24T13:47:08.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/104866/cpython/issues/104866"}