sha256-to-hash.py: Improve logging

#!/usr/bin/env nix-shell

#! nix-shell -i "python3 -I" -p python3

#! nix-shell -i "python3 -I" -p "python3.withPackages(p: with p; [ rich structlog ])"

from contextlib import contextmanager

from pathlib import Path

from structlog.contextvars import bound_contextvars as log_context

import logging, re

import re, structlog

logger = structlog.getLogger("sha256-to-SRI")

nix32alphabet = "0123456789abcdfghijklmnpqrsvwxyz"

            begin, end = m.span()

            match = m.string[begin:end]

            logging.error(

                f"Skipping '%s': an exception was raised during rewriting",

                match,

            logger.error(

                "Skipping",

                exc_info = exn,

            )

            return match

def fileToSRI(p: Path):

    with atomicFileUpdate(p) as (og, new):

        for line in og:

        for i, line in enumerate(og):

            with log_context(line=i):

                new.write(defToSRI(line))

    for arg in argv[1:]:

        p = Path(arg)

        if not p.is_file():

            print(f"Argument '{arg}' is not a regular file's path", file=stderr)

        else:

            print(f"Processing '{arg}'")

        with log_context(path=str(p)):

            try:

                fileToSRI(p)

            except Exception as exn:

                logger.error(

                    "Unhandled exception, skipping file!",

                    exc_info = exn,

                )

            else:

                logger.info("Finished processing file")