read_envelope_hugr¶

hugr.envelope.read_envelope_hugr(envelope: bytes, resolve_from: ExtensionRegistry | None = None) → Hugr[source]¶

Decode a HUGR from an envelope.

Parameters:

envelope – The byte string representing a Hugr envelope.
resolve_from – If not None, an extension registry to resolve the custom operations and types.

Returns:

The deserialized Hugr object.

Raises:

ValueError – If the envelope does not contain a single module.