73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
from collections import namedtuple
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from mopidy import config
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from mopidy.config import types
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class ValidList(list):
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def __format__(self, format_string=None):
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if format_string is None:
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format_string = ", "
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return format_string.join(self)
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class PinConfig(config.ConfigValue):
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tuple_pinconfig = namedtuple(
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"PinConfig", ("event", "active", "bouncetime", "options")
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)
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valid_events = ValidList(
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["play_pause", "play_stop", "prev", "next", "volume_up", "volume_down"]
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)
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valid_modes = ValidList(["active_low", "active_high"])
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def __init__(self):
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pass
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def deserialize(self, value):
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if value is None:
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return None
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value = types.decode(value).strip()
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value = value.split(",")
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# At least Event, Active and Bouncetime settings required
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if len(value) < 3:
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return None
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event, active, bouncetime = value[0:3]
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if event not in self.valid_events:
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raise ValueError(
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f"invalid event for pin config {event} (Must be {self.valid_events})"
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)
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if active not in self.valid_modes:
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raise ValueError(
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f"invalid event for pin config {active} (Must be one of {self.valid_modes})"
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)
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try:
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bouncetime = int(bouncetime)
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except ValueError:
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raise ValueError(
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f"invalid bouncetime value for pin config {bouncetime}"
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)
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options = {}
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for option in value[3:]:
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key, value = option.split("=")
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options[key] = value
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return self.tuple_pinconfig(event, active, bouncetime, options)
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def serialize(self, value, display=False):
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if value is None:
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return ""
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options = ",".join({f"{k}={v}" for k, v in value.options.items()})
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value = f"{value.event},{value.active},{value.bouncetime},{options}"
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return types.encode(value)
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