Pipeline: rewrite cad importer for freecadcmd, freecad part

cg/freecad/utils/freecad_cmd.py

@@ -0,0 +1,56 @@
+# coding: utf-8
+#!/usr/bin/env python
+# Copyright (C) 2023 Ilia Kurochkin <brothermechanic@gmail.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+import subprocess
+import json
+
+
+def freecad_proc(*args, **kwargs):
+    command = [
+        args[0],
+        args[1],
+
+        # general property
+        kwargs['filename'],
+        kwargs['tesselation_method'],
+        kwargs['linear_deflection'],
+        kwargs['angular_deflection'],
+        kwargs['fem_size'],
+        kwargs['skiphidden'],
+        kwargs['nonsolid_property'],
+    ]
+
+    proc = subprocess.run(command,
+                          check=True,
+                          stdout=subprocess.PIPE,
+                          encoding='utf-8')
+
+    return json.loads(proc.stdout.split('FreeCAD ')[0])
+
+
+kwargs = {}
+kwargs['filename'] = '/<path to .FCStd>'
+kwargs['tesselation_method'] = 'Standard'
+kwargs['linear_deflection'] = '0.1'
+kwargs['angular_deflection'] = '30.0'
+kwargs['fem_size'] = '10.0'
+kwargs['skiphidden'] = 'True'
+kwargs['nonsolid_property'] = 'Robossembler_NonSolid'
+
+js_data = freecad_proc(
+    'freecadcmd',
+    '/<path to>/cg/freecad/utils/export_freecad_scene.py',
+    **kwargs)
+
+print(js_data)