pmbootstrap/pmb/parse/binfmt_info.py

34 lines
1006 B
Python

# Copyright 2021 Oliver Smith
# SPDX-License-Identifier: GPL-3.0-or-later
import logging
import pmb.config
# Get magic and mask from binfmt info file
# Return: {magic: ..., mask: ...}
def binfmt_info(arch_qemu):
# Parse the info file
full = {}
info = pmb.config.pmb_src + "/pmb/data/qemu-user-binfmt.txt"
logging.verbose("parsing: " + info)
with open(info, "r") as handle:
for line in handle:
if line.startswith('#') or "=" not in line:
continue
split = line.split("=")
key = split[0].strip()
value = split[1]
full[key] = value[1:-2]
ret = {}
logging.verbose("filtering by architecture: " + arch_qemu)
for type in ["mask", "magic"]:
key = arch_qemu + "_" + type
if key not in full:
raise RuntimeError(
f"Could not find key {key} in binfmt info file: {info}")
ret[type] = full[key]
logging.verbose("=> " + str(ret))
return ret