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Add deprecation warning on use of qiskit.IBMQ #8080

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merged 14 commits into from
Jan 18, 2023
Merged

Add deprecation warning on use of qiskit.IBMQ #8080

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5706b3d
Add deprecation warning on use of qiskit.IBMQ
mtreinish May 17, 2022
c39d19f
Fix typos
mtreinish May 18, 2022
f583f25
Merge branch 'main' into warn_on_ibmq
mtreinish May 18, 2022
0faba67
Merge remote-tracking branch 'origin/main' into warn_on_ibmq
mtreinish Jan 9, 2023
be2f9bf
Remove superfluous warnings
mtreinish Jan 9, 2023
da1b5f0
Add pip to warning message
mtreinish Jan 9, 2023
180332a
Merge branch 'main' into warn_on_ibmq
mtreinish Jan 9, 2023
721755a
Fix lint
mtreinish Jan 9, 2023
e4ed253
Update references to qiskit.IBMQ
mtreinish Jan 10, 2023
7ec28f4
Add release note
mtreinish Jan 10, 2023
eff7b11
Merge remote-tracking branch 'origin/main' into warn_on_ibmq
mtreinish Jan 10, 2023
b2d33b7
Add back ibmq_mock.py file
mtreinish Jan 10, 2023
c2d21b4
Add link to the migration guide in release note
mtreinish Jan 12, 2023
2b2b333
Merge branch 'main' into warn_on_ibmq
mergify[bot] Jan 18, 2023
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20 changes: 20 additions & 0 deletions qiskit/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -158,6 +158,16 @@ def __bool__(self):
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
Expand All @@ -168,6 +178,16 @@ def __getattr__(self, attr):
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"
Expand Down
4 changes: 2 additions & 2 deletions qiskit/tools/monitor/overview.py
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ def backend_monitor(backend):
Examples:
.. code-block:: python

from qiskit import IBMQ
from qiskit.providers.ibmq import IBMQ
from qiskit.tools.monitor import backend_monitor
provider = IBMQ.get_provider(hub='ibm-q')
backend_monitor(provider.backends.ibmq_lima)
Expand Down Expand Up @@ -175,7 +175,7 @@ def backend_overview():

.. code-block:: python

from qiskit import IBMQ
from qiskit.providers.ibmq import IBMQ
from qiskit.tools.monitor import backend_overview
provider = IBMQ.get_provider(hub='ibm-q')
backend_overview()
Expand Down
6 changes: 3 additions & 3 deletions qiskit/visualization/gate_map.py
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Original file line number Diff line number Diff line change
Expand Up @@ -767,8 +767,9 @@ def plot_circuit_layout(circuit, backend, view="virtual", qubit_coordinates=None
import numpy as np
from qiskit import QuantumCircuit, transpile
from qiskit.providers.fake_provider import FakeVigoV2
from qiskit.visualization import plot_histogram, plot_gate_map, plot_circuit_layout
from qiskit.visualization import plot_circuit_layout
from qiskit.tools.monitor import job_monitor
from qiskit.providers.fake_provider import FakeVigoV2
import matplotlib.pyplot as plt

ghz = QuantumCircuit(3, 3)
Expand Down Expand Up @@ -849,7 +850,7 @@ def plot_error_map(backend, figsize=(12, 9), show_title=True, qubit_coordinates=
"""Plots the error map of a given backend.

Args:
backend (IBMQBackend): Given backend.
backend (Backend): Given backend.
figsize (tuple): Figure size in inches.
show_title (bool): Show the title or not.
qubit_coordinates (Sequence): An optional sequence input (list or array being the
Expand All @@ -862,7 +863,6 @@ def plot_error_map(backend, figsize=(12, 9), show_title=True, qubit_coordinates=
Figure: A matplotlib figure showing error map.

Raises:
VisualizationError: Input is not IBMQ backend.
VisualizationError: The backend does not provide gate errors for the 'sx' gate.
MissingOptionalLibraryError: If seaborn is not installed

Expand Down