qiskit.circuit.QuantumCircuit.qasm

QuantumCircuit.qasm(formatted=False, filename=None, encoding=None)

Return OpenQASM string.

Parameters

• formatted (bool) – Return formatted Qasm string.

• filename (str) – Save Qasm to file with name ‘filename’.

• encoding (str) – Optionally specify the encoding to use for the output file if filename is specified. By default this is set to the system’s default encoding (ie whatever locale.getpreferredencoding() returns) and can be set to any valid codec or alias from stdlib’s codec module

Returns

If formatted=False.

Return type

str

Raises

• MissingOptionalLibraryError – If pygments is not installed and formatted is True.

• QasmError – If circuit has free parameters.