1#
2# Copyright BitBake Contributors
3#
4# SPDX-License-Identifier: GPL-2.0-only
5#
6
7import argparse
8import logging
9import os
10
11logger = logging.getLogger('bitbake-layers')
12
13
14class LayerPlugin():
15    def __init__(self):
16        self.tinfoil = None
17        self.bblayers = []
18
19    def tinfoil_init(self, tinfoil):
20        self.tinfoil = tinfoil
21        self.bblayers = (self.tinfoil.config_data.getVar('BBLAYERS') or "").split()
22        layerconfs = self.tinfoil.config_data.varhistory.get_variable_items_files('BBFILE_COLLECTIONS')
23        self.bbfile_collections = {layer: os.path.dirname(os.path.dirname(path)) for layer, path in layerconfs.items()}
24
25    @staticmethod
26    def add_command(subparsers, cmdname, function, parserecipes=True, *args, **kwargs):
27        """Convert docstring for function to help."""
28        docsplit = function.__doc__.splitlines()
29        help = docsplit[0]
30        if len(docsplit) > 1:
31            desc = '\n'.join(docsplit[1:])
32        else:
33            desc = help
34        subparser = subparsers.add_parser(cmdname, *args, help=help, description=desc, formatter_class=argparse.RawTextHelpFormatter, **kwargs)
35        subparser.set_defaults(func=function, parserecipes=parserecipes)
36        return subparser
37
38    def get_layer_name(self, layerdir):
39        return os.path.basename(layerdir.rstrip(os.sep))
40