Create a new file from the Python API

python/jupytercad_lab/jupytercad_lab/notebook/cad_document.py

@@ -2,6 +2,7 @@
 
 import json
 import logging
+import os
 import tempfile
 from pathlib import Path
 from typing import Any, Dict, List, Optional, Union
@@ -44,6 +45,11 @@ class CadDocument(CommWidget):
     def __init__(self, path: Optional[str] = None):
         comm_metadata = CadDocument._path_to_comm(path)
 
+        # Create an empty project file if it does not exist
+        if comm_metadata["path"] and not os.path.isfile(comm_metadata["path"]):
+            with open(comm_metadata["path"], "w") as fd:
+                fd.write("{}")
+
         ydoc = Doc()
 
         super().__init__(

python/jupytercad_lab/jupytercad_lab/notebook/tests/test_api.py

@@ -0,0 +1,21 @@
+import os
+import unittest
+
+from jupytercad_lab import CadDocument
+
+
+class ProjectCreation(unittest.TestCase):
+    filename = "test.jcad"
+
+    def setUp(self):
+        if os.path.isfile(self.filename):
+            os.remove(self.filename)
+
+    def tearDown(self):
+        if os.path.isfile(self.filename):
+            os.remove(self.filename)
+
+    def test_creation(self):
+        self.doc = CadDocument(self.filename)
+
+        assert os.path.isfile(self.filename)