DLGValidator API Reference

Constructor

DLGValidator(config: dict | GraphConfig, *, security: SecurityConfig | None = None)

Methods

Method	Description
validate() -> None	Runs all 11 validation checks. Raises on first failure.
validate_module_imports() -> None	Runs only module/callable/signature checks.
validate_graph_structure() -> None	Runs only structural checks (cycles, reachability, mixed routing).
from_file(path) -> DLGValidator	Classmethod — loads JSON config file.

Exceptions

Exception	Trigger
GraphValidationError	Schema, bad module, signature, allowlist
StaticLoopException	Deterministic cycle in static edges
UnreachableNodeException	Node not reachable from entry_point
MixedRoutingConflict	Same node in both static and conditional edges
SendTargetError	Send router targets undeclared node
SubgraphCompatibilityError	Subgraph state incompatible with parent

Example

from dlg import DLGValidator

DLGValidator(config).validate()