[3.13] gh-151464: exclude '<>' token from tokenize output (GH-154854) - #158191
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…onGH-154854) * pythongh-151464: exclude '<>' token from tokenize output Was: ``` $ echo '1 <> 2' | python -m tokenize 1,0-1,1: NUMBER '1' 1,2-1,4: OP '<>' 1,5-1,6: NUMBER '2' 1,6-1,7: NEWLINE '\n' 2,0-2,0: ENDMARKER '' ``` Now (regardless on ``__future__.barry_as_FLUFL`` import): ``` $ echo '1 <> 2' | ./python -m tokenize 1,0-1,1: NUMBER '1' 1,2-1,3: OP '<' 1,3-1,4: OP '>' 1,5-1,6: NUMBER '2' 1,6-1,7: NEWLINE '\n' 2,0-2,0: ENDMARKER '' ``` in accordance with the Grammar: https://docs.python.org/3.14/reference/lexical_analysis.html#operators-and-delimiters Also adds a custom error message for ``<>`` ("not equal" in Pascal and Python 2). * +1 * address review: lowercase and move invalid rule * address review: news * address review: move test_guido_as_bdfl_ineq_tokens() * address review: revert _PyTokenizer_From* changes * + revert unrelated change * address review: remove whatsnew entry (cherry picked from commit 198bc76)
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Manual backport of #154854 to 3.13. The comparison grammar and future-import helper differ from main, so this applies the tokenizer fix to those 3.13 paths and regenerates the parser. The tokenizer, syntax, Barry, and future-import suites pass locally.