Change num of qubits in Estimator

hitomitak · Aug 25, 2023 · 9366882 · 9366882
1 parent 7e5472e
commit 9366882
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Showing 6 changed files with 11 additions and 36 deletions.
diff --git a/qiskit_aer/backends/aer_simulator.py b/qiskit_aer/backends/aer_simulator.py
@@ -31,7 +31,7 @@
     BASIS_GATES,
 )
 
-# pylint: disable=import-error, no-name-in-module
+# pylint: disable=import-error, no-name-in-module, abstract-method
 from .controller_wrappers import aer_controller_execute
 
 logger = logging.getLogger(__name__)

diff --git a/qiskit_aer/backends/aerbackend.py b/qiskit_aer/backends/aerbackend.py
@@ -37,7 +37,7 @@
 from .backend_utils import format_save_type, circuit_optypes
 from .name_mapping import NAME_MAPPING
 
-# pylint: disable=import-error, no-name-in-module
+# pylint: disable=import-error, no-name-in-module, abstract-method
 from .controller_wrappers import AerConfig
 
 # Logger
@@ -356,36 +356,6 @@ def target(self):
         )
         return self._target
 
-    @property
-    def dtm(self):
-        if hasattr(self.configuration(), "dtm"):
-            return self.configuration().dtm
-        else:
-            return None
-
-    @property
-    def meas_map(self):
-        if hasattr(self.configuration(), "meas_map"):
-            return self.configuration().meas_map
-        else:
-            return None
-
-    def acquire_channel(self):
-        return None
-
-    def control_channel(self):
-        return None
-
-    def drive_channel(self):
-        return None
-
-    def measure_channel(self):
-        return None
-
-    @classmethod
-    def _default_options(cls):
-        pass
-
     def clear_options(self):
         """Reset the simulator options to default values."""
         self._options = self._default_options()

diff --git a/qiskit_aer/backends/qasm_simulator.py b/qiskit_aer/backends/qasm_simulator.py
@@ -33,7 +33,7 @@
     map_legacy_method_config,
 )
 
-# pylint: disable=import-error, no-name-in-module
+# pylint: disable=import-error, no-name-in-module, abstract-method
 from .controller_wrappers import aer_controller_execute
 
 logger = logging.getLogger(__name__)

diff --git a/qiskit_aer/backends/statevector_simulator.py b/qiskit_aer/backends/statevector_simulator.py
@@ -35,7 +35,7 @@
     add_final_save_op,
 )
 
-# pylint: disable=import-error, no-name-in-module
+# pylint: disable=import-error, no-name-in-module, abstract-method
 from .controller_wrappers import aer_controller_execute
 
 # Logger

diff --git a/qiskit_aer/backends/unitary_simulator.py b/qiskit_aer/backends/unitary_simulator.py
@@ -36,7 +36,7 @@
     map_legacy_method_config,
 )
 
-# pylint: disable=import-error, no-name-in-module
+# pylint: disable=import-error, no-name-in-module, abstract-method
 from .controller_wrappers import aer_controller_execute
 
 # Logger

diff --git a/qiskit_aer/primitives/estimator.py b/qiskit_aer/primitives/estimator.py
@@ -301,7 +301,12 @@ def _create_meas_circuit(self, basis: Pauli, circuit_index: int):
             return meas_circuit
         transpile_opts = copy(self._transpile_options)
         transpile_opts.update_options(initial_layout=self._layouts[circuit_index])
-        return transpile(meas_circuit, self._backend, **transpile_opts.__dict__)
+
+        _num_qubits = self._backend.num_qubits
+        self._backend.set_option("n_qubits", meas_circuit.num_qubits)
+        new_circ = transpile(meas_circuit, self._backend, **transpile_opts.__dict__)
+        self._backend.set_option("n_qubits", _num_qubits)
+        return new_circ
 
     @staticmethod
     def _combine_circs(circuit: QuantumCircuit, meas_circuits: list[QuantumCircuit]):