From bffdec82d3fce61cc62662e063832c72270e03fe Mon Sep 17 00:00:00 2001
From: Kartik Singhal <kartik.singhal@quantinuum.com>
Date: Fri, 10 Nov 2023 11:36:13 -0600
Subject: [PATCH] feat: add phirc CLI driver

---
 pyproject.toml     | 10 ++++++--
 pytket/phir/cli.py | 59 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+), 2 deletions(-)
 create mode 100644 pytket/phir/cli.py

diff --git a/pyproject.toml b/pyproject.toml
index 18aa6d7..450aaef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,11 +1,10 @@
 [build-system]
-requires = ["setuptools", "wheel"]
+requires = ["setuptools>=64", "setuptools_scm>=8", "wheel"]
 build-backend = "setuptools.build_meta"
 
 # https://packaging.python.org/en/latest/specifications/declaring-project-metadata/
 [project]
 name = "pytket-phir"
-version = "0.0.1"
 description = "A circuit analyzer and translator from pytket to PHIR"
 readme = "README.md"
 requires-python = ">=3.10"
@@ -23,6 +22,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 
+dynamic = ["version"]
 dependencies = ["phir>=0.1.6", "pytket"]
 
 [project.optional-dependencies]
@@ -30,6 +30,9 @@ tests = ["pytest"]
 
 docs = ["sphinx", "sphinx-rtd-theme"]
 
+[project.scripts]
+phirc = "pytket.phir.cli:main"
+
 [project.urls]
 Repository = "https://github.com/CQCL/pytket-phir.git"
 
@@ -49,3 +52,6 @@ log_cli_level = "INFO"
 filterwarnings = ["ignore:::lark.s*"]
 log_format = "%(asctime)s.%(msecs)03d %(levelname)s %(message)s"
 log_date_format = "%Y-%m-%d %H:%M:%S"
+
+[tool.setuptools_scm]
+version_scheme = "python-simplified-semver"
diff --git a/pytket/phir/cli.py b/pytket/phir/cli.py
new file mode 100644
index 0000000..672501b
--- /dev/null
+++ b/pytket/phir/cli.py
@@ -0,0 +1,59 @@
+# mypy: disable-error-code="misc"
+
+from argparse import ArgumentParser
+from importlib.metadata import version
+
+from pecos.engines.hybrid_engine import HybridEngine  # type:ignore [import-not-found]
+
+from phir.model import PHIRModel
+from pytket.qasm.qasm import (
+    circuit_from_qasm,
+    circuit_from_qasm_str,
+    circuit_to_qasm_str,
+)
+
+from .api import pytket_to_phir
+from .qtm_machine import QtmMachine
+from .rebasing.rebaser import rebase_to_qtm_machine
+
+
+def main() -> None:
+    """pytket-phir compiler CLI."""
+    parser = ArgumentParser(
+        prog="phirc",
+        description="Simulates QASM file via PECOS",
+    )
+    parser.add_argument(
+        "qasm_files", nargs="+", default=None, help="One or more QASM files to simulate"
+    )
+    parser.add_argument(
+        "-m",
+        "--machine",
+        choices=["H1-1", "H1-2"],
+        default="H1-1",
+        help="machine name, H1-1 by default",
+    )
+    parser.add_argument(
+        "-v",
+        "--version",
+        action="version",
+        version=f'{version("pytket-phir")}',
+    )
+    args = parser.parse_args()
+
+    for file in args.qasm_files:
+        print(f"Processing {file}")  # noqa: T201
+        c = circuit_from_qasm(file)
+        rc = rebase_to_qtm_machine(c, args.machine)
+        qasm = circuit_to_qasm_str(rc, header="hqslib1")
+        circ = circuit_from_qasm_str(qasm)
+
+        match args.machine:
+            case "H1-1":
+                machine = QtmMachine.H1_1
+            case "H1-2":
+                machine = QtmMachine.H1_2
+        phir = pytket_to_phir(circ, machine)
+        PHIRModel.model_validate_json(phir)
+
+        HybridEngine(qsim="state-vector").run(program=phir, shots=10)