xref: /OK3568_Linux_fs/yocto/bitbake/bin/bitbake-getvar (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1#! /usr/bin/env python3
2#
3# Copyright (C) 2021 Richard Purdie
4#
5# SPDX-License-Identifier: GPL-2.0-only
6#
7
8import argparse
9import io
10import os
11import sys
12import warnings
13warnings.simplefilter("default")
14
15bindir = os.path.dirname(__file__)
16topdir = os.path.dirname(bindir)
17sys.path[0:0] = [os.path.join(topdir, 'lib')]
18
19import bb.tinfoil
20
21if __name__ == "__main__":
22    parser = argparse.ArgumentParser(description="Bitbake Query Variable")
23    parser.add_argument("variable", help="variable name to query")
24    parser.add_argument("-r", "--recipe", help="Recipe name to query", default=None, required=False)
25    parser.add_argument('-u', '--unexpand', help='Do not expand the value (with --value)', action="store_true")
26    parser.add_argument('-f', '--flag', help='Specify a variable flag to query (with --value)', default=None)
27    parser.add_argument('--value', help='Only report the value, no history and no variable name', action="store_true")
28    args = parser.parse_args()
29
30    if args.unexpand and not args.value:
31        print("--unexpand only makes sense with --value")
32        sys.exit(1)
33
34    if args.flag and not args.value:
35        print("--flag only makes sense with --value")
36        sys.exit(1)
37
38    with bb.tinfoil.Tinfoil(tracking=True) as tinfoil:
39        if args.recipe:
40            tinfoil.prepare(quiet=2)
41            d = tinfoil.parse_recipe(args.recipe)
42        else:
43            tinfoil.prepare(quiet=2, config_only=True)
44            d = tinfoil.config_data
45        if args.flag:
46            print(str(d.getVarFlag(args.variable, args.flag, expand=(not args.unexpand))))
47        elif args.value:
48            print(str(d.getVar(args.variable, expand=(not args.unexpand))))
49        else:
50            bb.data.emit_var(args.variable, d=d, all=True)
51