Remove deprecated IBMQ dependent functionality (Qiskit#11513)

* Remove deprecate IBMQ dependent functionality This commit removes all the functionality in Qiskit that depended on the legacy qiskit-ibmq-provider package. This process was started in Qiskit#10525 which removed the qiskit.IBMQ alias object but as was discovered in that PR there were many other places in qiskit that were relying on the qiskit-ibmq-provider package. This commit removes all of these places, which primarily include qiskit.test.decorators's online_test decorator, qiskit.tools.jupyter, qiskit.tools.monitor, qiskit.test.ibmq_mock, and qiskit.test.mock (which just referenced IBMQ and didn't actually use it). With these removals we're also no longer optionally dependent on ipywidgets, jupyter, or ipython and those are removed from the optional and development requirements lists. * Remove stale api docs * Remove ibmq usage in fake backend update script * Preserve circuit library visualizations * Remove apidocs from index * Remove unused import * Update docs
ElePT · Jan 11, 2024 · 6bcb17b · 6bcb17b
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diff --git a/docs/apidoc/index.rst b/docs/apidoc/index.rst
@@ -35,7 +35,6 @@ API Reference
    quantum_info
    result
    tools
-   tools_jupyter
    transpiler
    transpiler_passes
    transpiler_preset

diff --git a/docs/apidoc/tools_jupyter.rst b/docs/apidoc/tools_jupyter.rst
diff --git a/pyproject.toml b/pyproject.toml
@@ -45,7 +45,6 @@ qasm3-import = [
 ]
 visualization = [
     "matplotlib >= 3.3",
-    "ipywidgets >= 7.3.0",
     "pydot",
     "Pillow >= 4.2.1",
     "pylatexenc >= 1.4",

diff --git a/qiskit/__init__.py b/qiskit/__init__.py
@@ -74,8 +74,6 @@
 
 _config = _user_config.get_config()
 
-# Moved to after IBMQ and Aer imports due to import issues
-# with other modules that check for IBMQ (tools)
 from qiskit.execute_function import execute
 from qiskit.compiler import transpile, assemble, schedule, sequence
 
@@ -125,64 +123,13 @@ def __getattr__(self, attr):
         return getattr(self.aer, attr)
 
 
-class IBMQWrapper:
-    """Lazy loading wrapper for IBMQ provider."""
-
-    def __init__(self):
-        self.ibmq = None
-
-    def __bool__(self):
-        if self.ibmq is None:
-            try:
-                from qiskit.providers import ibmq
-
-                self.ibmq = ibmq.IBMQ
-                warnings.warn(
-                    "The qiskit.IBMQ entrypoint and the qiskit-ibmq-provider package ("
-                    "accessible from 'qiskit.providers.ibmq`) are deprecated and will be removed "
-                    "in a future release. Instead you should use the qiskit-ibm-provider package "
-                    "which is accessible from 'qiskit_ibm_provider'. You can install it with "
-                    "'pip install qiskit_ibm_provider'",
-                    DeprecationWarning,
-                    stacklevel=2,
-                )
-
-            except ImportError:
-                return False
-        return True
-
-    def __getattr__(self, attr):
-        if not self.ibmq:
-            try:
-                from qiskit.providers import ibmq
-
-                self.ibmq = ibmq.IBMQ
-                warnings.warn(
-                    "The qiskit.IBMQ entrypoint and the qiskit-ibmq-provider package ("
-                    "accessible from 'qiskit.providers.ibmq`) are deprecated and will be removed "
-                    "in a future release. Instead you should use the qiskit-ibm-provider package "
-                    "which is accessible from 'qiskit_ibm_provider'. You can install it with "
-                    "'pip install qiskit_ibm_provider'. Just replace 'qiskit.IBMQ' with "
-                    "'qiskit_ibm_provider.IBMProvider'",
-                    DeprecationWarning,
-                    stacklevel=2,
-                )
-            except ImportError as ex:
-                raise MissingOptionalLibraryError(
-                    "qiskit-ibmq-provider", "IBMQ provider", "pip install qiskit-ibmq-provider"
-                ) from ex
-        return getattr(self.ibmq, attr)
-
-
 Aer = AerWrapper()
-IBMQ = IBMQWrapper()
 
 __all__ = [
     "Aer",
     "AncillaRegister",
     "BasicAer",
     "ClassicalRegister",
-    "IBMQ",
     "MissingOptionalLibraryError",
     "QiskitError",
     "QuantumCircuit",

diff --git a/qiskit/circuit/library/basis_change/qft.py b/qiskit/circuit/library/basis_change/qft.py
@@ -41,7 +41,7 @@ class QFT(BlueprintCircuit):
     .. plot::
 
        from qiskit.circuit.library import QFT
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        circuit = QFT(4)
        _generate_circuit_library_visualization(circuit)
 
@@ -51,7 +51,7 @@ class QFT(BlueprintCircuit):
     .. plot::
 
        from qiskit.circuit.library import QFT
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        circuit = QFT(4).inverse()
        _generate_circuit_library_visualization(circuit)
 
@@ -67,7 +67,7 @@ class QFT(BlueprintCircuit):
     .. plot::
 
        from qiskit.circuit.library import QFT
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        circuit = QFT(5, approximation_degree=2)
        _generate_circuit_library_visualization(circuit)
 

diff --git a/qiskit/circuit/library/boolean_logic/inner_product.py b/qiskit/circuit/library/boolean_logic/inner_product.py
@@ -56,7 +56,7 @@ class InnerProduct(QuantumCircuit):
         .. plot::
 
            from qiskit.circuit.library import InnerProduct
-           from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+           from qiskit.visualization.library import _generate_circuit_library_visualization
            circuit = InnerProduct(4)
            _generate_circuit_library_visualization(circuit)
     """

diff --git a/qiskit/circuit/library/boolean_logic/quantum_and.py b/qiskit/circuit/library/boolean_logic/quantum_and.py
@@ -32,7 +32,7 @@ class AND(QuantumCircuit):
     .. plot::
 
        from qiskit.circuit.library import AND
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        circuit = AND(5)
        _generate_circuit_library_visualization(circuit)
 
@@ -43,7 +43,7 @@ class AND(QuantumCircuit):
     .. plot::
 
        from qiskit.circuit.library import AND
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        circuit = AND(5, flags=[-1, 0, 0, 1, 1])
        _generate_circuit_library_visualization(circuit)
 

diff --git a/qiskit/circuit/library/boolean_logic/quantum_or.py b/qiskit/circuit/library/boolean_logic/quantum_or.py
@@ -33,7 +33,7 @@ class OR(QuantumCircuit):
     .. plot::
 
        from qiskit.circuit.library import OR
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        circuit = OR(5)
        _generate_circuit_library_visualization(circuit)
 
@@ -44,7 +44,7 @@ class OR(QuantumCircuit):
     .. plot::
 
        from qiskit.circuit.library import OR
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        circuit = OR(5, flags=[-1, 0, 0, 1, 1])
        _generate_circuit_library_visualization(circuit)
 

diff --git a/qiskit/circuit/library/boolean_logic/quantum_xor.py b/qiskit/circuit/library/boolean_logic/quantum_xor.py
@@ -48,7 +48,7 @@ def __init__(
             .. plot::
 
                from qiskit.circuit.library import XOR
-               from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+               from qiskit.visualization.library import _generate_circuit_library_visualization
                circuit = XOR(5, seed=42)
                _generate_circuit_library_visualization(circuit)
         """

diff --git a/qiskit/circuit/library/fourier_checking.py b/qiskit/circuit/library/fourier_checking.py
@@ -66,7 +66,7 @@ def __init__(self, f: List[int], g: List[int]) -> None:
             .. plot::
 
                from qiskit.circuit.library import FourierChecking
-               from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+               from qiskit.visualization.library import _generate_circuit_library_visualization
                f = [1, -1, -1, -1]
                g = [1, 1, -1, -1]
                circuit = FourierChecking(f, g)

diff --git a/qiskit/circuit/library/generalized_gates/gms.py b/qiskit/circuit/library/generalized_gates/gms.py
@@ -44,7 +44,7 @@ class GMS(QuantumCircuit):
     .. plot::
 
        from qiskit.circuit.library import GMS
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        import numpy as np
        circuit = GMS(num_qubits=3, theta=[[0, np.pi/4, np.pi/8],
                                           [0, 0, np.pi/2],

diff --git a/qiskit/circuit/library/generalized_gates/gr.py b/qiskit/circuit/library/generalized_gates/gr.py
@@ -47,7 +47,7 @@ class GR(QuantumCircuit):
     .. plot::
 
        from qiskit.circuit.library import GR
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        import numpy as np
        circuit = GR(num_qubits=3, theta=np.pi/4, phi=np.pi/2)
        _generate_circuit_library_visualization(circuit)
@@ -101,7 +101,7 @@ class GRX(GR):
     .. plot::
 
         from qiskit.circuit.library import GRX
-        from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+        from qiskit.visualization.library import _generate_circuit_library_visualization
         import numpy as np
         circuit = GRX(num_qubits=3, theta=np.pi/4)
         _generate_circuit_library_visualization(circuit)
@@ -149,7 +149,7 @@ class GRY(GR):
     .. plot::
 
        from qiskit.circuit.library import GRY
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        import numpy as np
        circuit = GRY(num_qubits=3, theta=np.pi/4)
        _generate_circuit_library_visualization(circuit)
@@ -197,7 +197,7 @@ class GRZ(QuantumCircuit):
     .. plot::
 
        from qiskit.circuit.library import GRZ
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        import numpy as np
        circuit = GRZ(num_qubits=3, phi=np.pi/2)
        _generate_circuit_library_visualization(circuit)

diff --git a/qiskit/circuit/library/generalized_gates/mcmt.py b/qiskit/circuit/library/generalized_gates/mcmt.py
@@ -164,7 +164,7 @@ class MCMTVChain(MCMT):
     .. plot::
 
        from qiskit.circuit.library import MCMTVChain, ZGate
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        circuit = MCMTVChain(ZGate(), 2, 2)
        _generate_circuit_library_visualization(circuit.decompose())
 

diff --git a/qiskit/circuit/library/generalized_gates/permutation.py b/qiskit/circuit/library/generalized_gates/permutation.py
@@ -62,7 +62,7 @@ def __init__(
             .. plot::
 
                from qiskit.circuit.library import Permutation
-               from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+               from qiskit.visualization.library import _generate_circuit_library_visualization
                A = [2,4,3,0,1]
                circuit = Permutation(5, A)
                _generate_circuit_library_visualization(circuit.decompose())
@@ -130,7 +130,7 @@ def __init__(
 
                 from qiskit.circuit.quantumcircuit import QuantumCircuit
                 from qiskit.circuit.library import PermutationGate
-                from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+                from qiskit.visualization.library import _generate_circuit_library_visualization
                 A = [2,4,3,0,1]
                 permutation = PermutationGate(A)
                 circuit = QuantumCircuit(5)

diff --git a/qiskit/circuit/library/graph_state.py b/qiskit/circuit/library/graph_state.py
@@ -42,7 +42,7 @@ class GraphState(QuantumCircuit):
     .. plot::
 
        from qiskit.circuit.library import GraphState
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        import rustworkx as rx
        G = rx.generators.cycle_graph(5)
        circuit = GraphState(rx.adjacency_matrix(G))

diff --git a/qiskit/circuit/library/hidden_linear_function.py b/qiskit/circuit/library/hidden_linear_function.py
@@ -56,7 +56,7 @@ class HiddenLinearFunction(QuantumCircuit):
         .. plot::
 
            from qiskit.circuit.library import HiddenLinearFunction
-           from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+           from qiskit.visualization.library import _generate_circuit_library_visualization
            A = [[1, 1, 0], [1, 0, 1], [0, 1, 1]]
            circuit = HiddenLinearFunction(A)
            _generate_circuit_library_visualization(circuit)

diff --git a/qiskit/circuit/library/iqp.py b/qiskit/circuit/library/iqp.py
@@ -47,7 +47,7 @@ class IQP(QuantumCircuit):
         .. plot::
 
            from qiskit.circuit.library import IQP
-           from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+           from qiskit.visualization.library import _generate_circuit_library_visualization
            A = [[6, 5, 3], [5, 4, 5], [3, 5, 1]]
            circuit = IQP(A)
            _generate_circuit_library_visualization(circuit.decompose())

diff --git a/qiskit/circuit/library/phase_estimation.py b/qiskit/circuit/library/phase_estimation.py
@@ -74,7 +74,7 @@ def __init__(
 
                from qiskit.circuit import QuantumCircuit
                from qiskit.circuit.library import PhaseEstimation
-               from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+               from qiskit.visualization.library import _generate_circuit_library_visualization
                unitary = QuantumCircuit(2)
                unitary.x(0)
                unitary.y(1)

diff --git a/qiskit/circuit/library/quantum_volume.py b/qiskit/circuit/library/quantum_volume.py
@@ -43,7 +43,7 @@ class QuantumVolume(QuantumCircuit):
     .. plot::
 
        from qiskit.circuit.library import QuantumVolume
-       from qiskit.tools.jupyter.library import _generate_circuit_library_visualization
+       from qiskit.visualization.library import _generate_circuit_library_visualization
        circuit = QuantumVolume(5, 6, seed=10, classical_permutation=False)
        _generate_circuit_library_visualization(circuit.decompose())
 

diff --git a/qiskit/providers/__init__.py b/qiskit/providers/__init__.py
@@ -462,13 +462,12 @@ def get_translation_stage_plugin(self):
 handles submitting the circuits to the backend to be executed and returning a
 :class:`~qiskit.providers.Job` object. Depending on the type of backend this
 typically involves serializing the circuit object into the API format used by a
-backend. For example, on IBMQ backends from the ``qiskit-ibmq-provider``
+backend. For example, on IBM backends from the ``qiskit-ibm-provider``
 package this involves converting from a quantum circuit and options into a
-`qobj <https://arxiv.org/abs/1809.03452>`__ JSON payload and submitting
-that to the IBM Quantum API. Since every backend interface is different (and
-in the case of the local simulators serialization may not be needed) it is
-expected that the backend's :obj:`~qiskit.providers.BackendV2.run` method will
-handle this conversion.
+:mod:`.qpy` payload embedded in JSON and submitting that to the IBM Quantum
+API. Since every backend interface is different (and in the case of the local
+simulators serialization may not be needed) it is expected that the backend's
+:obj:`~qiskit.providers.BackendV2.run` method will handle this conversion.
 
 An example run method would be something like::
 

diff --git a/qiskit/providers/fake_provider/__init__.py b/qiskit/providers/fake_provider/__init__.py
@@ -65,21 +65,8 @@
     Please note that the simulation is done using a noise model generated from system snapshots
     obtained in the past (sometimes a few years ago) and the results are not representative of the
     latest behaviours of the real quantum system which the fake backend is mimicking. If you want to
-    run noisy simulations to compare with the real quantum system, please follow steps below to
-    generate a simulator mimics a real quantum system with the latest calibration results.
-
-    .. code-block:: python
-
-        from qiskit.providers.ibmq import IBMQ
-        from qiskit.providers.aer import AerSimulator
-
-        # get a real backend from a real provider
-        provider = IBMQ.load_account()
-        backend = provider.get_backend('ibmq_manila')
-
-        # generate a simulator that mimics the real quantum system with the latest calibration results
-        backend_sim = AerSimulator.from_backend(backend)
-
+    run noisy simulations to compare with the real quantum system you will need to create a noise
+    model from the current properties of the backend manually.
 
 Fake Providers
 ==============

diff --git a/qiskit/test/__init__.py b/qiskit/test/__init__.py
@@ -13,6 +13,6 @@
 """Functionality and helpers for testing Qiskit."""
 
 from .base import QiskitTestCase
-from .decorators import requires_aer_provider, online_test, slow_test
+from .decorators import requires_aer_provider, slow_test
 from .reference_circuits import ReferenceCircuits
 from .utils import Path
diff --git a/qiskit/test/base.py b/qiskit/test/base.py
@@ -193,8 +193,6 @@ def tearDown(self):
     @classmethod
     def setUpClass(cls):
         super().setUpClass()
-        # Determines if the TestCase is using IBMQ credentials.
-        cls.using_ibmq_credentials = False
         # Set logging to file and stdout if the LOG_LEVEL envar is set.
         cls.log = logging.getLogger(cls.__name__)
         if os.getenv("LOG_LEVEL"):