7e4671afe4
* introduce profile sources * subscriptions can handle config change events * web config changes to profile changes will now take effect immediately
87 lines
2.3 KiB
Python
87 lines
2.3 KiB
Python
from owrx.config import Config
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from abc import ABC, ABCMeta, abstractmethod
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from typing import List
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import logging
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logger = logging.getLogger(__name__)
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class AudioChopperProfile(ABC):
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@abstractmethod
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def getInterval(self):
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pass
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@abstractmethod
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def getFileTimestampFormat(self):
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pass
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@abstractmethod
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def decoder_commandline(self, file):
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pass
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class ProfileSourceSubscriber(ABC):
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@abstractmethod
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def onProfilesChanged(self):
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pass
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class ProfileSource(ABC):
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def __init__(self):
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self.subscribers = []
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@abstractmethod
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def getProfiles(self) -> List[AudioChopperProfile]:
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pass
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def subscribe(self, subscriber: ProfileSourceSubscriber):
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if subscriber in self.subscribers:
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return
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self.subscribers.append(subscriber)
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def unsubscribe(self, subscriber: ProfileSourceSubscriber):
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if subscriber not in self.subscribers:
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return
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self.subscribers.remove(subscriber)
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def fireProfilesChanged(self):
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for sub in self.subscribers.copy():
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try:
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sub.onProfilesChanged()
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except Exception:
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logger.exception("Error while notifying profile subscriptions")
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class ConfigWiredProfileSource(ProfileSource, metaclass=ABCMeta):
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def __init__(self):
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super().__init__()
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self.configSub = None
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@abstractmethod
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def getPropertiesToWire(self) -> List[str]:
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pass
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def subscribe(self, subscriber: ProfileSourceSubscriber):
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super().subscribe(subscriber)
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if self.subscribers and self.configSub is None:
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self.configSub = Config.get().filter(*self.getPropertiesToWire()).wire(self.fireProfilesChanged)
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def unsubscribe(self, subscriber: ProfileSourceSubscriber):
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super().unsubscribe(subscriber)
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if not self.subscribers and self.configSub is not None:
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self.configSub.cancel()
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self.configSub = None
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def fireProfilesChanged(self, *args):
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super().fireProfilesChanged()
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class StaticProfileSource(ProfileSource):
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def __init__(self, profiles: List[AudioChopperProfile]):
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super().__init__()
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self.profiles = profiles
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def getProfiles(self) -> List[AudioChopperProfile]:
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return self.profiles
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