Use qiskit.qpy.QPY_VERSION (up to 13) instead of always QPY 11

pyproject.toml

@@ -89,7 +89,7 @@ dependencies = [
     "websocket-client>=1.5.1",
     "ibm-platform-services>=0.22.6",
     "pydantic>=2.5.0,<2.10",
-    "qiskit>=1.1.0",
+    "qiskit>=1.3",
 ]
 
 [project.entry-points."qiskit.transpiler.translation"]

qiskit_ibm_runtime/utils/json.py

@@ -20,7 +20,6 @@
 import inspect
 import io
 import json
-import re
 import warnings
 import zlib
 from datetime import date
@@ -54,8 +53,7 @@
 from qiskit.transpiler import CouplingMap
 from qiskit.circuit.parametertable import ParameterView
 from qiskit.result import Result
-from qiskit.version import __version__ as _terra_version_string
-from qiskit.utils import optionals
+from qiskit.qpy import QPY_VERSION as QISKIT_QPY_VERSION
 from qiskit.qpy import (
     load,
     dump,
@@ -86,10 +84,6 @@
 
 from .noise_learner_result import NoiseLearnerResult
 
-_TERRA_VERSION = tuple(
-    int(x) for x in re.match(r"\d+\.\d+\.\d", _terra_version_string).group(0).split(".")[:3]
-)
-
 
 def to_base64_string(data: str) -> str:
     """Convert string to base64 string.
@@ -258,9 +252,7 @@ def default(self, obj: Any) -> Any:  # pylint: disable=arguments-differ
         if hasattr(obj, "to_json"):
             return {"__type__": "to_json", "__value__": obj.to_json()}
         if isinstance(obj, QuantumCircuit):
-            kwargs: Dict[str, object] = {"use_symengine": bool(optionals.HAS_SYMENGINE)}
-            if _TERRA_VERSION[0] >= 1:
-                kwargs["version"] = 11
+            kwargs: Dict[str, object] = {"version": min(13, QISKIT_QPY_VERSION)}
             value = _serialize_and_encode(
                 data=obj,
                 serializer=lambda buff, data: dump(
@@ -278,9 +270,7 @@ def default(self, obj: Any) -> Any:  # pylint: disable=arguments-differ
         if isinstance(obj, ParameterView):
             return obj.data
         if isinstance(obj, Instruction):
-            kwargs = {"use_symengine": bool(optionals.HAS_SYMENGINE)}
-            if _TERRA_VERSION[0] >= 1:
-                kwargs["version"] = 11
+            kwargs = {"version": min(13, QISKIT_QPY_VERSION)}
             # Append instruction to empty circuit
             quantum_register = QuantumRegister(obj.num_qubits)
             quantum_circuit = QuantumCircuit(quantum_register)

releasenotes/notes/dynamic_qpy_with_13_cap-c77411ff7e286c0b.yaml

@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    The minimal ``qiskit`` version is now 1.3.
+  - |
+    The QPY payload now is generated based on ``qiskit.qpy.QPY_VERSION`` and capped until version 13.