1from typing import Any
 2
 3from plain import models
 4
 5
 6def coerce_key(key: Any) -> str:
 7    """
 8    Converts a flag key to a string for storage in the DB
 9    (special handling of model instances)
10    """
11    if isinstance(key, str):
12        return key
13
14    if isinstance(key, models.Model):
15        return (
16            f"{key.model_options.package_label}.{key.model_options.model_name}:{key.id}"
17        )
18
19    return str(key)