Add a QURI Parts converter

.github/workflows/github-actions.yml

@@ -54,3 +54,26 @@ jobs:
       - name: Run unit test
         run: |
           python3 -m unittest discover -v ./test/with_qiskit/
+
+  test_with_quri_parts_and_qulacs:
+    # Python 3.10 is used because quri_parts supports python > 3.9
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Python3.10
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+          cache: "pip"
+          cache-dependency-path: "pyproject.toml"
+
+      - name: Install library
+        run: |
+          pip install .[quri_parts_with_qulacs]
+
+      - name: Run unit test
+        run: |
+          python3 -m unittest discover -v ./test/with_quri_parts_and_qulacs/

pyproject.toml

@@ -27,6 +27,12 @@ ci = [
 qiskit = [
   "qiskit == 0.*"
 ]
+quri_parts = [
+  "quri_parts == 0.*"
+]
+quri_parts_with_qulacs = [
+  "quri_parts[qulacs] == 0.*"
+]
 
 [tool.setuptools]
 include-package-data = true

quantestpy/converter/converter_to_quantestpy_circuit.py

@@ -2,6 +2,9 @@
 from quantestpy.converter.sdk.qasm import _cvt_openqasm_to_quantestpy_circuit
 from quantestpy.converter.sdk.qiskit import (
     _cvt_qiskit_to_quantestpy_circuit, _is_instance_of_qiskit_quantumcircuit)
+from quantestpy.converter.sdk.quri_parts import (
+    _cvt_quri_parts_circuit_to_quantestpy_circuit,
+    _is_instance_of_quri_parts_quantumcircuit)
 from quantestpy.exceptions import QuantestPyError
 
 
@@ -19,10 +22,17 @@ def cvt_input_circuit_to_quantestpy_circuit(circuit) -> QuantestPyCircuit:
     elif _is_instance_of_qiskit_quantumcircuit(circuit):
         quantestpy_circuit = _cvt_qiskit_to_quantestpy_circuit(circuit)
 
+    elif _is_instance_of_quri_parts_quantumcircuit(circuit):
+        quantestpy_circuit = _cvt_quri_parts_circuit_to_quantestpy_circuit(
+            circuit)
+
     else:
         raise QuantestPyError(
             "Input circuit must be one of the following: "
-            "qasm, qiskit.QuantumCircuit and QuantestPyCircuit."
+            "qasm, qiskit.QuantumCircuit,"
+            "quri_parts.circuit.NonParametricQuantumCircuit,"
+            "quri_parts.circuit.ImmutableBoundParametricQuantumCircuit,"
+            "and QuantestPyCircuit."
         )
 
     return quantestpy_circuit

quantestpy/converter/sdk/qasm.py

@@ -1,17 +1,16 @@
 from quantestpy import QuantestPyCircuit
-from quantestpy.converter.sdk.qiskit import (
-    _cvt_qiskit_to_quantestpy_circuit, _raise_error_if_not_qiskit_installed)
+from quantestpy.converter.sdk.qiskit import _cvt_qiskit_to_quantestpy_circuit
+from quantestpy.exceptions import QuantestPyError
 
 try:
     from qiskit import QuantumCircuit
 
 except ModuleNotFoundError:
-    pass
-
-
-def _cvt_openqasm_to_quantestpy_circuit(qasm: str) -> QuantestPyCircuit:
-
-    _raise_error_if_not_qiskit_installed()
-
-    qiskit_circuit = QuantumCircuit.from_qasm_str(qasm)
-    return _cvt_qiskit_to_quantestpy_circuit(qiskit_circuit)
+    def _cvt_openqasm_to_quantestpy_circuit(qasm: str) -> QuantestPyCircuit:
+        raise QuantestPyError(
+            "Qiskit is missing. Please install it."
+        )
+else:
+    def _cvt_openqasm_to_quantestpy_circuit(qasm: str) -> QuantestPyCircuit:
+        qiskit_circuit = QuantumCircuit.from_qasm_str(qasm)
+        return _cvt_qiskit_to_quantestpy_circuit(qiskit_circuit)