cirq.google.engine_from_environment¶

cirq.google.engine_from_environment() → cirq.google.engine.engine.Engine[source]¶

Returns an Engine instance configured using environment variables.

If the environment variables are set, but incorrect, an authentication

failure will occur when attempting to run jobs on the engine.

Required Environment Variables:
QUANTUM_ENGINE_PROJECT: The name of a google cloud project, with the
quantum engine enabled, that you have access to.
QUANTUM_ENGINE_API_KEY: An API key for the google cloud project
named
by QUANTUM_ENGINE_PROJECT.

Raises:	`EnvironmentError` – The environment variables are not set.