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Installation\nCompatible with python 3.9 or newer.\\\ntested with python 3.9.\n```\npip install goto-label\n```\n\n- goto-python only work with python 3.9, idk about 3.10.\n- use at your own risk, the author of this module is not responsible if there is a problem with your app.\n\n### Features\n- does not add unnecessary `NOP` instructions to the code.\n- automatically add push/pop block instructions if necessary.\\\n  for example, if you jump out of `for` block, it automatically pop the iterator from the stack (as `break` does).\n\n### Limitations\n- can't jump into `with`, `for`, `except`, and `finally` block. **but can jump out of it.**\n\n# Syntax\n- `goto .name` jump to `name`.\n- `label .name` define label `name`.\n\n# Usage\n1\\. as a decorator of a function\n\n```py\nfrom goto import with_goto\n\n@with_goto\ndef example():\n  goto .end\n  print(\"this will not print\")\n  label .end\n  print(\"this will print\")\n\nexample()\n\n# output:\n# this will print\n```\n\n2\\. patching code object\n\n```py\nfrom goto import patch\nimport dis\n\n# make code object\ncodestring = \"goto .lbl; label .lbl\"\ncode = compile(codestring, \"\u003cstring\u003e\", \"exec\")\n\n# patch code object\nnewcode = patch(code)\n\nprint(\"original:\")\ndis.dis(code)\nprint(\"modified:\")\ndis.dis(newcode)\n\n# original:\n#  1       0 LOAD_NAME            0 (goto)\n#          2 LOAD_ATTR            1 (lbl)\n#          4 POP_TOP\n#          6 LOAD_NAME            2 (label)\n#          8 LOAD_ATTR            1 (lbl)\n#         10 POP_TOP\n#         12 LOAD_CONST           0 (None)\n#         14 RETURN_VALUE\n# modified:\n#  1       0 JUMP_ABSOLUTE        2\n#    \u003e\u003e    2 LOAD_CONST           0 (None)\n#          4 RETURN_VALUE\n```\n\n### Examples of good gotos in python (IMO)\nlabeled break/continue\n\n```py\nfor _ in ...:\n  for _ in ...:\n    if should_break:\n      goto .br  # break outer loop\nlabel .br\n```\n```py\nfor _ in ...:\n  for _ in ...:\n    if should_continue:\n      goto .con  # continue outer loop\n  label .con\n```\n\n#\nthis module [brandtbucher/hax](https://github.com/brandtbucher/hax),\ncan do the same job as goto-python does, but it requires you to have basic knowledge of python bytecode.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Falimsk%2Fgoto-python","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Falimsk%2Fgoto-python","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Falimsk%2Fgoto-python/lists"}