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qiskit.qobj.Qobj

class Qobj(qobj_id=None, config=None, experiments=None, header=None)[Quellcode]

A backwards compat alias for QasmQobj.

Initialize a Qobj object.

__init__(qobj_id=None, config=None, experiments=None, header=None)[Quellcode]

Initialize a Qobj object.

Methods

__init__([qobj_id, config, experiments, header])

Initialize a Qobj object.

from_dict(data)

Create a new QASMQobj object from a dictionary.

to_dict([validate])

Return a dictionary format representation of the QASM Qobj.

classmethod from_dict(data)

Create a new QASMQobj object from a dictionary.

Parameter

data (dict) – A dictionary representing the QasmQobj to create. It will be in the same format as output by to_dict().

Rückgabe

The QasmQobj from the input dictionary.

Rückgabetyp

QasmQobj

to_dict(validate=False)

Return a dictionary format representation of the QASM Qobj.

Note this dict is not in the json wire format expected by IBMQ and qobj specification because complex numbers are still of type complex. Also this may contain native numpy arrays. When serializing this output for use with IBMQ you can leverage a json encoder that converts these as expected. For example:

import json
import numpy

class QobjEncoder(json.JSONEncoder):
    def default(self, obj):
        if isinstance(obj, numpy.ndarray):
            return obj.tolist()
        if isinstance(obj, complex):
            return (obj.real, obj.imag)
        return json.JSONEncoder.default(self, obj)

json.dumps(qobj.to_dict(), cls=QobjEncoder)
Parameter

validate (bool) – When set to true validate the output dictionary against the jsonschema for qobj spec.

Rückgabe

A dictionary representation of the QasmQobj object

Rückgabetyp

dict

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