Constants

langgraph.constants

TAG_HIDDEN module-attribute

TAG_HIDDEN = intern('langsmith:hidden')

Tag to hide a node/edge from certain tracing/streaming environments.

TAG_NOSTREAM module-attribute

TAG_NOSTREAM = intern('nostream')

Tag to disable streaming for a chat model.

START module-attribute

START = intern('__start__')

The first (maybe virtual) node in graph-style Pregel.

END module-attribute

END = intern('__end__')

The last (maybe virtual) node in graph-style Pregel.