SWAMPy

✎ CARVE FLESH

EDITING: pep723.py

import re
from typing import Any

from pip._internal.utils.compat import tomllib

REGEX = r"(?m)^# /// (?P<type>[a-zA-Z0-9-]+)$\s(?P<content>(^#(| .*)$\s)+)^# ///$"

class PEP723Exception(ValueError):
    """Raised to indicate a problem when parsing PEP 723 metadata from a script"""

def __init__(self, msg: str) -> None:
        self.msg = msg

def pep723_metadata(scriptfile: str) -> dict[str, Any]:
    with open(scriptfile, encoding="utf8") as f:
        script = f.read()

name = "script"
    matches = list(
        filter(lambda m: m.group("type") == name, re.finditer(REGEX, script))
    )

if len(matches) > 1:
        raise PEP723Exception(f"Multiple {name!r} blocks found in {scriptfile!r}")
    elif len(matches) == 1:
        content = "".join(
            line[2:] if line.startswith("# ") else line[1:]
            for line in matches[0].group("content").splitlines(keepends=True)
        )
        try:
            metadata = tomllib.loads(content)
        except Exception as exc:
            raise PEP723Exception(f"Failed to parse TOML in {scriptfile!r}") from exc
    else:
        raise PEP723Exception(
            f"File does not contain {name!r} metadata: {scriptfile!r}"
        )

return metadata

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 __pycache__/	DIR	—	2026-07-16 05:15
📄 __init__.py	PY	3 KB	2026-07-16 05:15	EDIT
📄 constructors.py	PY	22.4 KB	2026-07-16 05:15	EDIT
📄 pep723.py	PY	1.2 KB	2026-07-16 05:15	EDIT
📄 req_dependency_group.py	PY	3.1 KB	2026-07-16 05:15	EDIT
📄 req_file.py	PY	20 KB	2026-07-16 05:15	EDIT
📄 req_install.py	PY	31.1 KB	2026-07-16 05:15	EDIT
📄 req_set.py	PY	2.8 KB	2026-07-16 05:15	EDIT
📄 req_uninstall.py	PY	23.5 KB	2026-07-16 05:15	EDIT