init

gripper/rotation.py

@@ -0,0 +1,38 @@
+import copy
+import json
+import os
+import tempfile
+
+
+DEFAULT_ROTATION1 = {
+    "rotation_angle": 90,
+    "flip_x": True,
+    "flip_y": False,
+}
+
+DEFAULT_ROTATION2 = {
+    "rotation_angle": 90,
+    "flip_x": False,
+    "flip_y": False,
+}
+
+
+def normalize_rotation_config(value, default_config):
+    if value is None:
+        return copy.deepcopy(default_config)
+    if isinstance(value, dict):
+        return copy.deepcopy(value)
+    if isinstance(value, str):
+        text = value.strip()
+        if not text or text.lower() == "default":
+            return copy.deepcopy(default_config)
+        if text.startswith("{"):
+            return json.loads(text)
+    return value
+
+
+def write_temp_rotation_config(config, label):
+    path = os.path.join(tempfile.gettempdir(), f"gripper_{label}_rotation.json")
+    with open(path, "w", encoding="utf-8") as f:
+        json.dump(config, f, ensure_ascii=False, indent=2)
+    return path