Check kicad-cli before run

src/kicadcliwrapper/generated/kicad_cli.py

@@ -6,7 +6,7 @@
 from subprocess import check_output
 
 from kicadcliwrapper.generated.kicad_cli_l2 import kicad_cli_l2
-from kicadcliwrapper.lib import make_command
+from kicadcliwrapper.lib import run_command
 
 
 @dataclass
@@ -950,4 +950,4 @@ class version:
         help: bool = False
 
     def exec(self):
-        return check_output(make_command(kicad_cli_l2, self))
+        return run_command(kicad_cli_l2, self)

src/kicadcliwrapper/lib.py

@@ -2,8 +2,13 @@
 # SPDX-License-Identifier: MIT
 
 
+import logging
 import re
+import subprocess
 from dataclasses import dataclass
+from subprocess import check_output
+
+logger = logging.getLogger(__name__)
 
 
 class ParserL1:
@@ -85,3 +90,14 @@ def make_command(l2_root: ParserL2.Command, cmd) -> list[str]:
         out.extend(sub)
 
     return out
+
+
+def run_command(l2_root: ParserL2.Command, cmd) -> str:
+    try:
+        version = check_output(["kicad-cli", "--version"]).decode("utf-8")
+    except subprocess.CalledProcessError:
+        raise Exception("kicad-cli is not installed")
+
+    logger.debug(f"Found kicad-cli version: {version}")
+
+    return check_output(make_command(l2_root, cmd)).decode("utf-8")

src/kicadcliwrapper/main.py

@@ -194,11 +194,10 @@ def main(out_dir: Path = Path(__file__).parent / Path("generated")):
         + "from subprocess import check_output\n"
         + "\n"
         + "from kicadcliwrapper.generated.kicad_cli_l2 import kicad_cli_l2\n"
-        + "from kicadcliwrapper.lib import make_command\n"
+        + "from kicadcliwrapper.lib import run_command\n"
     )
     trailer_l3 = (
-        "    def exec(self):\n"
-        + "        return check_output(make_command(kicad_cli_l2, self))\n"
+        "    def exec(self):\n" + "        return run_command(kicad_cli_l2, self)\n"
     )
     out.write_text(
         black.format_str(