Define plugin hook spec for serialize_many

src/py_adapter/plugin/__init__.py

@@ -16,7 +16,7 @@
 import functools
 import logging
 import sys
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Sequence
 
 import pluggy
 
@@ -111,6 +111,18 @@ def serialize(obj: "py_adapter.Basic", writer_schema: bytes) -> bytes:
     raise NotImplementedError()
 
 
+@_hookspec(firstresult=True)
+def serialize_many(objs: Sequence["py_adapter.Basic"], writer_schema: bytes) -> bytes:
+    """
+    Hook specification. Serialize multiple Python objects of basic types to the format supported by the implementing
+    plugin.
+
+    :param objs:          Python objects to serialize
+    :param writer_schema: Data schema to serialize the data with, as JSON bytes.
+    """
+    raise NotImplementedError()
+
+
 @_hookspec(firstresult=True)
 def deserialize(data: bytes, writer_schema: bytes) -> "py_adapter.Basic":
     """