[pull] main from python:main#1179
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pull[bot] merged 8 commits intoAll-Blockchains:mainfrom Apr 6, 2026
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…Pegen_name_default_pair` (#148158)
… in `structseq.c` (#148120)
PyREPL was still carrying over two readline-specific tricks from the fancy completer: a synthetic CSI prefix to influence sorting and a fake blank completion entry to suppress readline's prefix insertion. Those workarounds are not appropriate in PyREPL because the reader already owns completion ordering and menu rendering, so the fake entries leaked into the UI as real terminal attributes and empty menu cells. Sort completion candidates in ReadlineAlikeReader by their visible text with stripcolor(), and let the fancy completer return only real matches. That keeps colored completions stable without emitting bogus escape sequences, removes the empty completion slot, and adds regression tests for both the low-level completer output and the reader integration.
) Store references to pickle.dumps and pickle.loads in _PyXI_state_t so they are looked up only once per interpreter lifetime, avoiding repeated PyImport_ImportModuleAttrString calls on every cross-interpreter data transfer via pickle fallback. Benchmarks show 1.7x-3.3x speedup for InterpreterPoolExecutor when transferring mutable types (list, dict) through XIData.
) Open web browser with absolute path On macOS, web browsers are opened via popen calling osascript. However, if a user has a colliding osascript executable earlier in their PATH, this may fail or cause unwanted behaviour. Depending on one's environment or level of paranoia, this may be considered a security vulnerability. Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
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