Modernise Build System

.github/dependabot.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+    - package-ecosystem: pip
+      directory: "/" # Location of package manifests
+      schedule:
+        interval: "daily"
+      target-branch: "develop"

.github/workflows/build_and_test.yml

@@ -9,12 +9,13 @@ on:
 
 jobs:
 
-  macos:
-    name: Build and test (MacOS)
-    runs-on: macos-latest
+  run-tests:
+    name: Build and test
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.11', '3.12']
+        os: [macos-latest, ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
@@ -24,58 +25,11 @@ jobs:
     - name: Build qermit
       if: github.event_name == 'pull_request'
       run: |
-        pip install -e . -v
+        pip install -e .[tests] -v
     - name: Test qermit 
       if: github.event_name == 'pull_request'
       run: |
         cd tests
-        pip install -r test_requirements.txt
-        pytest --cov-report term-missing:skip-covered --cov=qermit --durations=10
-
-  linux:
-    name: Build and test (Linux)
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ['3.9', '3.10', '3.11']
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Build qermit
-      if: github.event_name == 'pull_request'
-      run: |
-        pip install -e . -v
-    - name: Test qermit 
-      if: github.event_name == 'pull_request'
-      run: |
-        cd tests
-        pip install -r test_requirements.txt
-        pytest --cov-report term-missing:skip-covered --cov=qermit --durations=10
-
-  windows:
-    name: Build and test (Windows)
-    runs-on: windows-latest
-    strategy:
-      matrix:
-        python-version: ['3.9', '3.10', '3.11']
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Build qermit
-      if: github.event_name == 'pull_request'
-      run: |
-        pip install -e . -v
-    - name: Test qermit 
-      if: github.event_name == 'pull_request'
-      run: |
-        cd tests
-        pip install -r test_requirements.txt
         pytest --cov-report term-missing:skip-covered --cov=qermit --durations=10
 
   build-docs:
@@ -85,11 +39,10 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Install Qermit
-        run: pip install .
+        run: pip install -e .[docs] -v
       - name: Build Docs
         run: |
           cd docs_src
-          pip install -r requirements.txt
           ./build_docs.sh
           cd ../manual
           ./build_manual.sh
@@ -111,9 +64,8 @@ jobs:
       uses: actions/checkout@v2
     - name: Build qermit
       run: |
-        pip install -e . -v
+        pip install .[tests]
         cd tests
-        pip install -r test_requirements.txt
     - name: Run mypy
       if: github.event_name == 'pull_request'
       run: mypy -p qermit

.github/workflows/deploy_docs.yml

@@ -24,13 +24,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Install Qermit
-        run: pip install .
+        run: pip install .[docs]
       - name: Setup Pages
         uses: actions/configure-pages@v3
       - name: Build Docs
         run: |
           cd docs_src
-          pip install -r requirements.txt
           ./build_docs.sh
           cd ../manual
           ./build_manual.sh

pyproject.toml

@@ -0,0 +1,32 @@
+[build-system]
+requires = ["poetry", "poetry-core>=1.0.8"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.poetry]
+name = "qermit"
+version = "0.5.0"
+description = "Python package for quantum error mitigation."
+authors = [
+    "Daniel Mills <[email protected]>",
+    "Silas Dilkes <[email protected]>",
+    "Cristina Circsoiu <[email protected]>"
+]
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = ">=3.10, <3.13"
+pytket-qiskit = "^0.50.0"
+matplotlib = "^3.8.3"
+
+pytest = {version="^8.1.1", optional=true}
+mypy = {version="^1.9.0", optional=true}
+flake8 = {version="^7.0.0", optional=true}
+sphinx = {version="^7.2.6", optional=true}
+pytest-cov = {version="^4.1.0", optional=true}
+sphinx-book-theme = {version="^1.1.2", optional=true}
+qiskit-ibm-provider = {version="^0.10.0", optional=true}
+pytket-quantinuum = {version="^0.30.0", optional=true}
+
+[tool.poetry.extras]
+tests = ["pytest", "mypy", "flake8", "pytest-cov", "qiskit-ibm-provider", "pytket-quantinuum"]
+docs = ["sphinx", "sphinx-book-theme"]

qermit/noise_model/mock_quantinuum_backend.py

@@ -22,7 +22,7 @@
 from pytket import OpType
 from pytket import Circuit
 from pytket.backends.resulthandle import ResultHandle
-from typing import List, Union
+from typing import List, Union, Optional, Sequence
 from pytket.backends.backendresult import BackendResult
 from .noisy_aer_backend import NoisyAerBackend
 
@@ -56,16 +56,16 @@ def __init__(self):
     def process_circuit(
         self,
         circuit: Circuit,
-        n_shot: int,
+        n_shots: Optional[int] = None,
         valid_check: bool = True,
         **kwargs,
     ) -> ResultHandle:
         """Submit circuit to the backend for running.
 
         :param circuit: Circuit to process on the backend
         :type circuit: Circuit
-        :param n_shot: Number of shots to run per circuit.
-        :type n_shot: int
+        :param n_shots: Number of shots to run per circuit.
+        :type n_shots: int
         :param valid_check: Explicitly check that all circuits satisfy all
             required predicates to run on the backend, defaults to True
         :type valid_check: bool, optional
@@ -86,15 +86,15 @@ def process_circuit(
             self.noisy_backend.noisy_gate_set.union({OpType.Reset, OpType.Barrier})
         ).verify(cu.circuit)
 
-        handle = self.noisy_backend.process_circuit(cu.circuit, n_shot)
+        handle = self.noisy_backend.process_circuit(cu.circuit, n_shots)
         self.handle_cu_dict[handle] = cu
 
         return handle
 
     def process_circuits(
         self,
-        circuits: List[Circuit],
-        n_shots: Union[List[int], int],
+        circuits: Sequence[Circuit],
+        n_shots: Union[Optional[int], Sequence[Optional[int]]] = None,
         valid_check: bool = True,
         **kwargs,
     ) -> List[ResultHandle]:
@@ -111,7 +111,7 @@ def process_circuits(
         :return: Handles to results for each input circuit, as an interable in the same order as the circuits.
         :rtype: List[ResultHandle]
         """
-        if isinstance(n_shots, int):
+        if (isinstance(n_shots, int)) or (n_shots is None):
             return [
                 self.process_circuit(circuit, n_shots, valid_check=valid_check)
                 for circuit in circuits

qermit/noise_model/noisy_aer_backend.py

@@ -14,7 +14,7 @@
 
 from pytket.extensions.qiskit import AerBackend  # type: ignore
 from pytket import OpType
-import qiskit.providers.aer.noise as noise  # type: ignore
+import qiskit_aer.noise as noise  # type: ignore
 
 
 class NoisyAerBackend(AerBackend):

tests/pec_test.py

@@ -38,10 +38,10 @@
 from pytket.predicates import GateSetPredicate, CliffordCircuitPredicate  # type: ignore
 from qermit import AnsatzCircuit, ObservableExperiment
 from pytket.extensions.qiskit import IBMQEmulatorBackend  # type: ignore
-from qiskit import IBMQ  # type: ignore
+from qiskit_ibm_provider import IBMProvider
 import pytest
 
-skip_remote_tests: bool = not IBMQ.stored_account()
+skip_remote_tests: bool = not IBMProvider.saved_accounts()
 REASON = "IBMQ account not configured"
 
 

tests/tomography_test.py

@@ -26,7 +26,7 @@
 
 from pytket import Circuit, Bit, Qubit
 from pytket.extensions.qiskit import AerBackend  # type: ignore
-import qiskit.providers.aer.noise as noise  # type: ignore
+import qiskit_aer.noise as noise  # type: ignore
 import numpy as np  # type: ignore
 
 

tests/zne_test.py

@@ -39,9 +39,9 @@
 import math
 import numpy as np  # type: ignore
 from qermit import AnsatzCircuit, ObservableExperiment  # type: ignore
-import qiskit.providers.aer.noise as noise  # type: ignore
+import qiskit_aer.noise as noise  # type: ignore
 from pytket.circuit import OpType  # type: ignore
-from qiskit import IBMQ  # type: ignore
+from qiskit_ibm_provider import IBMProvider
 import pytest
 from pytket.circuit import Node  # type: ignore
 from qermit.noise_model import MockQuantinuumBackend  # type: ignore
@@ -71,7 +71,7 @@
 noisy_backend = AerBackend(noise_model)
 
 
-skip_remote_tests: bool = not IBMQ.stored_account()
+skip_remote_tests: bool = not IBMProvider.saved_accounts()
 REASON = "IBMQ account not configured"