Class SettingsAttribute

scrapy/settings/__init__.py:56–80

Class for storing data related to settings attributes. This class is intended for internal usage, you should try Settings class for settings configuration, not this one.

class SettingsAttribute:
    """Class for storing data related to settings attributes.

    This class is intended for internal usage, you should try Settings class
    for settings configuration, not this one.
    """

    def __init__(self, value: Any, priority: int):
        self.value: Any = value
        self.priority: int
        if isinstance(self.value, BaseSettings):
            self.priority = max(self.value.maxpriority(), priority)
        else:
            self.priority = priority

    def set(self, value: Any, priority: int) -> None:
        """Sets value if priority is higher or equal than current priority."""
        if priority >= self.priority:
            if isinstance(self.value, BaseSettings):
                value = BaseSettings(value, priority=priority)
            self.value = value
            self.priority = priority

    def __repr__(self) -> str:
        return f"<SettingsAttribute value={self.value!r} priority={self.priority}>"


class BaseSettings(MutableMapping[_SettingsKey, Any]):