112 lines
4.6 KiB
Python
112 lines
4.6 KiB
Python
import copy
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from typing import Any
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from typing import List
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from typing import Optional
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from typing import Type
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import yaml
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from mergedeep import mergedeep
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from ytdl_subscribe.subscriptions.soundcloud import SoundcloudAlbumsAndSinglesSubscription
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from ytdl_subscribe.subscriptions.subscription import Subscription
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from ytdl_subscribe.subscriptions.youtube import YoutubeChannelSubscription
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from ytdl_subscribe.subscriptions.youtube import YoutubePlaylistSubscription
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from ytdl_subscribe.subscriptions.youtube import YoutubeVideoSubscription
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from ytdl_subscribe.validators.base.strict_dict_validator import StrictDictValidator
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from ytdl_subscribe.validators.base.validators import StringValidator
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from ytdl_subscribe.validators.config.config_file_validator import ConfigFileValidator
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from ytdl_subscribe.validators.config.overrides.overrides_validator import OverridesValidator
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from ytdl_subscribe.validators.config.preset_validator import PRESET_OPTIONAL_KEYS
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from ytdl_subscribe.validators.config.preset_validator import PRESET_REQUIRED_KEYS
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from ytdl_subscribe.validators.config.preset_validator import PresetValidator
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from ytdl_subscribe.validators.config.source_options.soundcloud_validators import (
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SoundcloudAlbumsAndSinglesSourceValidator,
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)
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from ytdl_subscribe.validators.config.source_options.youtube_validators import (
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YoutubeChannelSourceValidator,
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)
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from ytdl_subscribe.validators.config.source_options.youtube_validators import (
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YoutubePlaylistSourceValidator,
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)
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from ytdl_subscribe.validators.config.source_options.youtube_validators import (
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YoutubeVideoSourceValidator,
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)
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class SubscriptionValidator(StrictDictValidator):
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"""
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A Subscription is a preset but overrides it with specific values
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"""
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_required_keys = {"preset"}
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_optional_keys = PRESET_REQUIRED_KEYS.union(PRESET_OPTIONAL_KEYS)
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def __init__(self, config: ConfigFileValidator, name: str, value: Any):
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super().__init__(name, value)
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self.config = config
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# Ensure the overrides defined here are valid
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_ = self._validate_key(
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key="overrides",
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validator=OverridesValidator,
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default={},
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)
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preset_name = self._validate_key(
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key="preset",
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validator=StringValidator,
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).value
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if preset_name not in self.config.presets.keys:
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raise self._validation_exception(
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f"'preset '{preset_name}' does not exist in the provided config. "
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f"Available presets: {', '.join(self.config.presets.keys)}"
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)
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# A little hacky, we will override the preset with the contents of this subscription,
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# then validate it
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preset_dict = copy.deepcopy(self.config.presets.dict[preset_name])
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preset_dict = mergedeep.merge(preset_dict, self._dict, strategy=mergedeep.Strategy.REPLACE)
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del preset_dict["preset"]
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self.preset = PresetValidator(
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name=f"{self._name}.{preset_name}",
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value=preset_dict,
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)
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def to_subscription(self) -> Subscription:
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subscription_class: Optional[Type[Subscription]] = None
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if isinstance(self.preset.subscription_source, SoundcloudAlbumsAndSinglesSourceValidator):
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subscription_class = SoundcloudAlbumsAndSinglesSubscription
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elif isinstance(self.preset.subscription_source, YoutubePlaylistSourceValidator):
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subscription_class = YoutubePlaylistSubscription
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elif isinstance(self.preset.subscription_source, YoutubeVideoSourceValidator):
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subscription_class = YoutubeVideoSubscription
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elif isinstance(self.preset.subscription_source, YoutubeChannelSourceValidator):
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subscription_class = YoutubeChannelSubscription
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if subscription_class is None:
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raise ValueError("subscription source class not found")
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return subscription_class(
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name=self._name,
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config_options=self.config.config_options,
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preset_options=self.preset,
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)
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@classmethod
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def from_file_path(
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cls, config: ConfigFileValidator, subscription_path: str
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) -> List["SubscriptionValidator"]:
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# TODO: Create separate yaml file loader class
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with open(subscription_path, "r", encoding="utf-8") as file:
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subscription_dict = yaml.safe_load(file)
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subscriptions: List["SubscriptionValidator"] = []
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for subscription_key, subscription_object in subscription_dict.items():
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subscriptions.append(
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SubscriptionValidator(
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config=config, name=subscription_key, value=subscription_object
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)
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)
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return subscriptions
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