feat: allow save_data to accept an Adaptor

Author: machow

pins/boards.py

@@ -754,7 +754,7 @@ def _create_meta(
         else:
             p_obj = str(Path(pin_dir_path) / object_name)
         # file is saved locally in order to hash, calc size
-        file_names = save_data(x._d, p_obj, type, apply_suffix)
+        file_names = save_data(x, p_obj, type, apply_suffix)
 
         meta = self.meta_factory.create(
             pin_dir_path,

pins/drivers.py

@@ -2,7 +2,7 @@
 from pathlib import Path
 from typing import Any
 
-from pins._adaptors import _create_adaptor
+from pins._adaptors import _Adaptor, _create_adaptor
 
 from .config import PINS_ENV_INSECURE_READ, get_allow_pickle_read
 from .errors import PinsInsecureReadError
@@ -120,7 +120,7 @@ def load_data(
 
 
 def save_data(
-    obj, fname, pin_type=None, apply_suffix: bool = True
+    obj: "_Adaptor | Any", fname, pin_type=None, apply_suffix: bool = True
 ) -> "str | Sequence[str]":
     # TODO: extensible saving with deferred importing
     # TODO: how to encode arguments to saving / loading drivers?
@@ -129,7 +129,10 @@ def save_data(
     #       as argument to board, and then type dispatchers for explicit cases
     #       of saving / loading objects different ways.
 
-    adaptor = _create_adaptor(obj)
+    if isinstance(obj, _Adaptor):
+        adaptor, obj = obj, obj._d
+    else:
+        adaptor = _create_adaptor(obj)
 
     if apply_suffix:
         if pin_type == "file":