xair-api-python/xair_api/config.py

import abc
import logging

from . import kinds, util
from .meta import bool_prop

logger = logging.getLogger(__name__)


class IConfig(abc.ABC):
    """Abstract Base Class for config"""

    def __init__(self, remote):
        self._remote = remote
        self.logger = logger.getChild(self.__class__.__name__)

    def getter(self, param: str):
        return self._remote.query(f'{self.address}/{param}')

    def setter(self, param: str, val: int):
        self._remote.send(f'{self.address}/{param}', val)

    @abc.abstractmethod
    def address(self):
        pass


class Config(IConfig):
    """Concrete class for config"""

    @classmethod
    def make(cls, remote):
        """
        Factory function for Config

        Returns a Config class of a kind.
        """
        LINKS_cls = _make_links_mixins[remote.kind.id_]
        MUTEGROUP_cls = type('MuteGroup', (Config.MuteGroup, cls), {})
        MONITOR_cls = type('ConfigMonitor', (Config.Monitor, cls), {})
        CONFIG_cls = type(
            f'Config{remote.kind}',
            (cls, LINKS_cls),
            {
                'mute_group': tuple(MUTEGROUP_cls(remote, i) for i in range(4)),
                'monitor': MONITOR_cls(remote),
            },
        )
        return CONFIG_cls(remote)

    @property
    def address(self) -> str:
        return '/config'

    @property
    def amixenable(self) -> bool:
        return self.getter('mute')[0] == 1

    @amixenable.setter
    def amixenable(self, val: bool):
        self.setter('amixenable', 1 if val else 0)

    @property
    def amixlock(self) -> bool:
        return self.getter('amixlock')[0] == 1

    @amixlock.setter
    def amixlock(self, val: bool):
        self.setter('amixlock', 1 if val else 0)

    class MuteGroup:
        def __init__(self, remote, i):
            super(Config.MuteGroup, self).__init__(remote)
            self.i = i + 1

        @property
        def address(self) -> str:
            root = super(Config.MuteGroup, self).address
            return f'{root}/mute'

        @property
        def on(self) -> bool:
            return self.getter(f'{self.i}')[0] == 1

        @on.setter
        def on(self, val: bool):
            self.setter(f'{self.i}', 1 if val else 0)

    class Monitor:
        @property
        def address(self) -> str:
            root = super(Config.Monitor, self).address
            return f'{root}/solo'

        @property
        @util.db_from
        def level(self) -> float:
            return self.getter('level')[0]

        @level.setter
        @util.db_to
        def level(self, val: float):
            self.setter('level', val)

        @property
        def source(self) -> int:
            return int(self.getter('source')[0])

        @source.setter
        def source(self, val: int):
            self.setter('source', val)

        @property
        def sourcetrim(self) -> float:
            return round(util.lin_get(-18, 18, self.getter('sourcetrim')[0]), 1)

        @sourcetrim.setter
        def sourcetrim(self, val: float):
            if not -18 <= val <= 18:
                self.logger.warning(
                    f'sourcetrim got {val}, expected value in range -18.0 to 18.0'
                )
            self.setter('sourcetrim', util.lin_set(-18, 18, val))

        @property
        def chmode(self) -> bool:
            return self.getter('chmode')[0] == 1

        @chmode.setter
        def chmode(self, val: bool):
            self.setter('chmode', 1 if val else 0)

        @property
        def busmode(self) -> bool:
            return self.getter('busmode')[0] == 1

        @busmode.setter
        def busmode(self, val: bool):
            self.setter('busmode', 1 if val else 0)

        @property
        def dimgain(self) -> int:
            return int(util.lin_get(-40, 0, self.getter('dimatt')[0]))

        @dimgain.setter
        def dimgain(self, val: int):
            if not -40 <= val <= 0:
                self.logger.warning(
                    f'dimgain got {val}, expected value in range -40 to 0'
                )
            self.setter('dimatt', util.lin_set(-40, 0, val))

        @property
        def dim(self) -> bool:
            return self.getter('dim')[0] == 1

        @dim.setter
        def dim(self, val: bool):
            self.setter('dim', 1 if val else 0)

        @property
        def mono(self) -> bool:
            return self.getter('mono')[0] == 1

        @mono.setter
        def mono(self, val: bool):
            self.setter('mono', 1 if val else 0)

        @property
        def mute(self) -> bool:
            return self.getter('mute')[0] == 1

        @mute.setter
        def mute(self, val: bool):
            self.setter('mute', 1 if val else 0)

        @property
        def dimfpl(self) -> bool:
            return self.getter('dimfpl')[0] == 1

        @dimfpl.setter
        def dimfpl(self, val: bool):
            self.setter('dimfpl', 1 if val else 0)


def _make_links_mixin(kind):
    """Creates a links mixin"""
    return type(
        f'Links{kind}',
        (),
        {
            'link_eq': bool_prop('linkcfg/eq'),
            'link_dyn': bool_prop('linkcfg/dyn'),
            'link_fader_mute': bool_prop('linkcfg/fdrmute'),
            **{
                f'chlink{i}_{i+1}': bool_prop(f'chlink/{i}-{i+1}')
                for i in range(1, kind.num_strip, 2)
            },
            **{
                f'buslink{i}_{i+1}': bool_prop(f'buslink/{i}-{i+1}')
                for i in range(1, kind.num_bus, 2)
            },
        },
    )


_make_links_mixins = {kind.id_: _make_links_mixin(kind) for kind in kinds.all}