jw-pkg/src/python/jw/pkg/cmds/projects/CmdRequiredOsPkg.py

# -*- coding: utf-8 -*-

from typing import Iterable
from argparse import Namespace, ArgumentParser

from ...App import Scope
from ...lib.log import *
from ..Cmd import Cmd
from ..CmdProjects import CmdProjects

# TODO: seems at least partly redundant to CmdPkgRequires / print_pkg_relations
class CmdRequiredOsPkg(Cmd): # export

    def __init__(self, parent: CmdProjects) -> None:
        super().__init__(parent, 'required-os-pkg', help='List distribution packages required for a package')

    def add_arguments(self, parser: ArgumentParser) -> None:
        super().add_arguments(parser)
        parser.add_argument('flavours', help='Dependency flavours', default='build')
        parser.add_argument('modules', nargs='*', help='Modules')
        parser.add_argument('--skip-excluded', action='store_true', default=False,
            help='Output empty prerequisite list for excluded modules')
        parser.add_argument('--quote', action='store_true', default=False,
            help='Put double quotes around each listed dependency')

    async def _run(self, args: Namespace) -> None:
        modules = args.modules
        flavours = set(args.flavours.split(','))
        if 'build' in flavours:
            # TODO: This adds too much. Only the run dependencies of the build dependencies would be needed.
            flavours.add('run')
        if 'release' in flavours:
            flavours |= set(['run', 'devel', 'build'])
        log(DEBUG, "flavours = " + args.flavours)
        deps = self.app.get_project_refs(modules, ['pkg.requires.jw'], flavours,
                scope = Scope.Subtree, add_self=True, names_only=True)
        if args.skip_excluded:
            for d in deps:
                if self.app.is_excluded_from_build(d) is not None:
                    deps.remove(d)
        subsecs = self.app.distro.os_cascade
        log(DEBUG, "subsecs = ", subsecs)
        requires: set[str] = set()
        for sec in subsecs:
            for flavour in flavours:
                vals = self.app.get_values(deps, ['pkg.requires.' + sec], [flavour])
                if vals:
                    requires |= set(vals)
        if args.quote:
            requires = [f'"{dep}"' for dep in requires]
        # TODO: add all not in build tree as -devel
        print(' '.join(requires))