nv_dfm_core.api.TryFromCache

class nv_dfm_core.api.TryFromCache(*, dfm_body=[], dfm_node_id=<factory>, dfm_after=None, dfm_class_name='nv_dfm_core.api.TryFromCache', key)

Takes a key and tries to get the value from the cache. If the value is not in the cache, the body is executed.

Usage: data = … key = KeyFromExpr(expr=RenderImage(data=data)) with TryFromCache(key=key) as img:

# body content = RenderImage(data=dat) img.cache(content)

Yield(value=img)

Parameters:

• dfm_body (list[Statement])

• dfm_node_id (NodeId)

• dfm_after (Statement | NodeId | None)

• dfm_class_name (Literal['nv_dfm_core.api.TryFromCache'])

• key (NodeRef)

model_config: ConfigDict = {'extra': 'forbid', 'frozen': True}

Configuration for the model, should be a dictionary conforming to [ConfigDict][pydantic.config.ConfigDict].