From 090854630744da70693d663dad662c648e11b512 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Robert?= <cr52@protonmail.com>
Date: Sun, 11 Jun 2023 15:02:12 +0200
Subject: [PATCH 1/3] TST: add a test for user defined deposition method with
 metadata

---
 tests/test_deposit.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tests/test_deposit.py b/tests/test_deposit.py
index 5447145..8f71157 100644
--- a/tests/test_deposit.py
+++ b/tests/test_deposit.py
@@ -98,6 +98,21 @@ def test_callable_method(sample_2D_dataset):
     sample_2D_dataset.deposit("mass", method=_deposit_ngp_2D)
 
 
+def test_callable_method_with_metadata(sample_2D_dataset):
+    _is_used = False
+    _md_is_received = False
+
+    def fake_dep(*args, metadata=None, **kwargs):
+        nonlocal _is_used, _md_is_received
+        _is_used = True
+        _md_is_received = metadata is not None
+        return _deposit_ngp_2D(*args, **kwargs)
+
+    sample_2D_dataset.deposit("mass", method=fake_dep)
+    assert _is_used
+    assert _md_is_received
+
+
 @pytest.mark.parametrize("method", ["ngp", "cic", "tsc"])
 @pytest.mark.mpl_image_compare
 def test_2D_deposit(sample_2D_dataset, method):

From 0412c6a6b5a5858f92c40c643e33be41d242ebac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Robert?= <cr52@protonmail.com>
Date: Sun, 11 Jun 2023 15:04:19 +0200
Subject: [PATCH 2/3] ENH: add support for passing metadata to custom
 deposition methods

---
 src/gpgi/types.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/gpgi/types.py b/src/gpgi/types.py
index c49c2b9..6eeb5bf 100644
--- a/src/gpgi/types.py
+++ b/src/gpgi/types.py
@@ -5,7 +5,7 @@
 import warnings
 from abc import ABC, abstractmethod
 from copy import deepcopy
-from functools import cached_property, reduce
+from functools import cached_property, partial, reduce
 from itertools import chain
 from time import monotonic_ns
 from typing import TYPE_CHECKING, Any, Dict, Literal, Protocol, Tuple, cast
@@ -558,7 +558,13 @@ def deposit(
             method = "ngp"
 
         if callable(method):
-            func = method
+            from inspect import signature
+
+            sig = signature(method)
+            if "metadata" in sig.parameters:
+                func = cast(DepositionMethodT, partial(method, metadata=self.metadata))
+            else:
+                func = method
         else:
             if method not in _deposition_method_names:
                 raise ValueError(

From 6345b8a7858af2f744c90aa8e47848b1b0ef1f53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Robert?= <cr52@protonmail.com>
Date: Sun, 11 Jun 2023 15:04:50 +0200
Subject: [PATCH 3/3] REL: prep release 0.13.0

---
 pyproject.toml       | 2 +-
 src/gpgi/__init__.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index a6f0309..cbd9171 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "gpgi"
-version = "0.12.0"
+version = "0.13.0"
 description = "A Generic Particle+Grid Interface"
 authors = [
     { name = "C.M.T. Robert" },
diff --git a/src/gpgi/__init__.py b/src/gpgi/__init__.py
index 5ececdf..e4d735c 100644
--- a/src/gpgi/__init__.py
+++ b/src/gpgi/__init__.py
@@ -2,4 +2,4 @@
 
 from .api import load
 
-__version__ = "0.12.0"
+__version__ = "0.13.0"