mrj.py

import tarfile
import tempfile
import sys
from os.path import exists
import json

if len(sys.argv) > 1:
	repo = sys.argv[1]
else:
	print("error: unset repo value")
	exit(1)

db_list_pkgs = {}

tar = tarfile.open(f"{repo}.db.tar.gz", "r")
tmp_dir = tempfile.TemporaryDirectory()

for i in tar.getmembers():
	i_sp = i.name.split("/")
	if i_sp[-1] == "desc":
		i0_sp = i_sp[0].split("-")
		namepkg = ""
		for j in range(len(i0_sp)-2):
			namepkg += i0_sp[j]
			if j+1 != len(i0_sp)-2:
				namepkg += "-"

		tar.extract(i.name, path=tmp_dir.name)
		file = open(f"{tmp_dir.name}/{i.name}", "r")
		pkginfo = {}
		index = None
		value = None
		for j in file.readlines():
			j_rig = j.replace("\n", "")
			if "%" in j_rig:
				index = j_rig.replace("%", "")
			elif j_rig != "":
				if value == None:
					value = j_rig
				else:
					if type(value) == str:
						value = [value]
					value += [j_rig]
			else:
				if index != "NAME":
					pkginfo[index] = value
				index = None
				value = None
		file.close()

		db_list_pkgs[namepkg] = pkginfo

tar.close()
tmp_dir.cleanup()

with open(f"{repo}.json", "w") as outfile:
    json.dump(db_list_pkgs, outfile)