Enforce SharedMemoryModel imports for Django models to prevent N+1 queries.
npx skills add https://github.com/Arx-Game/arxii --skill sharedmemory-model
Please help me install this Agent Skill. Skill: sharedmemory-model Source: https://github.com/Arx-Game/arxii/tree/main/tools/skills/sharedmemory-model Command: npx skills add https://github.com/Arx-Game/arxii --skill sharedmemory-model
All concrete Django models in this repo should use Evennia's SharedMemoryModel, an identity map that caches FK walks and persists a Python object after the first load. This skill encodes usage rules and the identity-map caching discipline to prevent rebuilding complex caching or query-batching infrastructure.
Migrate all Django models to SharedMemoryModel and start using its identity-map caching.
High-intent search queries and answers about installing and using this skill.
To prevent N+1 queries in Django, use SharedMemoryModel as the base class for all concrete models. It implements an identity map that caches foreign key walks and persists Python objects after their initial database load, avoiding redundant query execution.
The correct import path for SharedMemoryModel is `from evennia.utils.idmapper.models import SharedMemoryModel`. You must avoid importing from `evennia.utils.models` to prevent unsafe imports that prematurely trigger Django setup during module loading.
You need an identity map for caching read-mostly Django models when optimizing lookups on high-traffic data. It prevents rebuilding complex caching infrastructure by ensuring repeated accesses retrieve the persisted Python object instead of executing new database queries.
To migrate all concrete Django models to SharedMemoryModel, update the base class of every concrete model definition to inherit from `evennia.utils.idmapper.models.SharedMemoryModel`. This enforces identity-map caching discipline universally across the repository.
Using standard Django model classes instead of SharedMemoryModel for high-traffic lookups forfeits identity-map caching benefits. All concrete models in the repository should use SharedMemoryModel to prevent N+1 queries and avoid rebuilding custom query-batching infrastructure.
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