#!/usr/bin/python3

import os, subprocess
import cfg

def opkgcl(opkg_args):
	cmd = "{} -o {} {}".format(cfg.opkgcl, cfg.offline_root, opkg_args)
	#print(cmd)
	return subprocess.getstatusoutput(cmd)

def install(pkg_name, flags=""):
	return opkgcl("{} install {}".format(flags, pkg_name))[0]

def remove(pkg_name, flags=""):
	return opkgcl("{} remove {}".format(flags, pkg_name))[0]

def update():
	return opkgcl("update")[0]

def upgrade():
	return opkgcl("upgrade")[0]

def files(pkg_name):
	output = opkgcl("files {}".format(pkg_name))[1]
	return output.split("\n")[1:]


def is_installed(pkg_name, version=None):
	out = opkgcl("list_installed {}".format(pkg_name))[1]
	if len(out) == 0 or out.split()[0] != pkg_name:
		return False
	if version and out.split()[2] != version:
		return False
	if not os.path.exists("{}/usr/lib/opkg/info/{}.control"\
				.format(cfg.offline_root, pkg_name)):
		return False
	return True


if __name__ == '__main__':
	import sys
	(status, output) = opkgcl(" ".join(sys.argv[1:]))
	print(output)
	exit(status)