2021-08-16 01:47:13 +08:00
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# 2to3
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> 自动将 Python 2 代码转换成 Python 3.
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2to3, rubocop, runsv, rubocop, runsv, runsvchdir, runsvdir, ssh-add, stty, sv, tar, touch: fix Chinese translation. (#14629)
2024-11-06 04:49:42 -05:00
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> 自 3.11 起,该模块已被弃用,并自 3.13 起被移除。
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> 参考请见:<https://github.com/python/cpython/blob/8d42e2d915c3096e7eac1c649751d1da567bb7c3/Doc/whatsnew/3.13.rst?plain=1#L188>.
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2024-11-06 06:29:35 +01:00
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> 更多信息:<https://manned.org/2to3>.
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2021-08-16 01:47:13 +08:00
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- 显示将执行的变动但不执行(dry-run):
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2to3, rubocop, runsv, rubocop, runsv, runsvchdir, runsvdir, ssh-add, stty, sv, tar, touch: fix Chinese translation. (#14629)
2024-11-06 04:49:42 -05:00
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`2to3 {{路径/到/文件.py}}`
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2021-08-16 01:47:13 +08:00
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2022-03-27 07:25:15 +02:00
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- 将 Python 2 文件转化为 Python 3:
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2021-08-16 01:47:13 +08:00
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2to3, rubocop, runsv, rubocop, runsv, runsvchdir, runsvdir, ssh-add, stty, sv, tar, touch: fix Chinese translation. (#14629)
2024-11-06 04:49:42 -05:00
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`2to3 --write {{路径/到/文件.py}}`
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2021-08-16 01:47:13 +08:00
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2022-03-27 07:25:15 +02:00
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- 将 Python 2 语言特性转化为 Python 3:
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2021-08-16 01:47:13 +08:00
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2to3, rubocop, runsv, rubocop, runsv, runsvchdir, runsvdir, ssh-add, stty, sv, tar, touch: fix Chinese translation. (#14629)
2024-11-06 04:49:42 -05:00
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`2to3 --write {{路径/到/文件.py}} --fix {{raw_input}} --fix {{print}}`
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2021-08-16 01:47:13 +08:00
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2022-03-27 07:25:15 +02:00
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- 除了某个语言特性外将所有其他的 Python 2 语言特性转化为 Python 3:
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2021-08-16 01:47:13 +08:00
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2to3, rubocop, runsv, rubocop, runsv, runsvchdir, runsvdir, ssh-add, stty, sv, tar, touch: fix Chinese translation. (#14629)
2024-11-06 04:49:42 -05:00
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`2to3 --write {{路径/到/文件.py}} --nofix {{has_key}} --nofix {{isinstance}}`
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2021-08-16 01:47:13 +08:00
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- 列出 Python 2 所有可转化为 Python 3 的语言特性:
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`2to3 --list-fixes`
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2022-03-27 07:25:15 +02:00
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- 将某一文件夹的所有 Python 2 文件转化为 Python 3:
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2021-08-16 01:47:13 +08:00
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2to3, rubocop, runsv, rubocop, runsv, runsvchdir, runsvdir, ssh-add, stty, sv, tar, touch: fix Chinese translation. (#14629)
2024-11-06 04:49:42 -05:00
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`2to3 --output-dir {{路径/到/Python 3 目录}} --write-unchanged-files --nobackups {{路径/到/Python 2 目录}}`
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2021-08-16 01:47:13 +08:00
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2022-03-27 07:25:15 +02:00
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- 使用多线程运行 2to3:
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2021-08-16 01:47:13 +08:00
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2to3, rubocop, runsv, rubocop, runsv, runsvchdir, runsvdir, ssh-add, stty, sv, tar, touch: fix Chinese translation. (#14629)
2024-11-06 04:49:42 -05:00
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`2to3 --processes {{4}} --output-dir {{路径/到/Python 3 目录}} --write --nobackups --no-diff {{路径/到/Python 2 目录}}`
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