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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

from _emerge.DepPriority import DepPriority


class DepPriorityNormalRange:
    """
    DepPriority properties              Index      Category

    buildtime                                      HARD
    runtime                                3       MEDIUM
    runtime_post                           2       MEDIUM_SOFT
    optional                               1       SOFT
    (none of the above)                    0       NONE
    """

    MEDIUM = 3
    MEDIUM_SOFT = 2
    MEDIUM_POST = 2
    SOFT = 1
    NONE = 0

    @classmethod
    def _ignore_optional(cls, priority):
        if priority.__class__ is not DepPriority:
            return False
        return bool(priority.optional)

    @classmethod
    def _ignore_runtime_post(cls, priority):
        if priority.__class__ is not DepPriority:
            return False
        return bool(priority.optional or priority.runtime_post)

    @classmethod
    def _ignore_runtime(cls, priority):
        if priority.__class__ is not DepPriority:
            return False
        # If we ever allow "optional" runtime_slot_op, we'll need
        # to adjust this appropriately. But only build time dependencies
        # are optional right now, so it's not an issue as-is.
        return bool(
            not (priority.runtime_slot_op and not priority.cross)
            and (priority.optional or not priority.buildtime)
        )

    ignore_medium = _ignore_runtime
    ignore_medium_soft = _ignore_runtime_post
    ignore_medium_post = _ignore_runtime_post
    ignore_soft = _ignore_optional


DepPriorityNormalRange.ignore_priority = (
    None,
    DepPriorityNormalRange._ignore_optional,
    DepPriorityNormalRange._ignore_runtime_post,
    DepPriorityNormalRange._ignore_runtime,
)