From 947619a0428e716e7b3ee78952b631be3c24824d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20M=C3=BCller?= <mueller.seb@posteo.de>
Date: Fri, 16 Aug 2024 00:40:47 +0200
Subject: [PATCH] fix doc-string of SumModel for docs

---
 src/gstools/covmodel/base.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/gstools/covmodel/base.py b/src/gstools/covmodel/base.py
index a495d80b..252bdeb3 100644
--- a/src/gstools/covmodel/base.py
+++ b/src/gstools/covmodel/base.py
@@ -1356,6 +1356,18 @@ def __init__(self, *models, **kwargs):
         # check for consistency
         self.check()
 
+    def __init_subclass__(cls):
+        """Initialize gstools sum-model."""
+        _init_subclass(cls)
+        # overridden functions get standard doc if no new doc was created
+        ign = ["__", "variogram", "covariance", "cor"]
+        for att, attr_cls in cls.__dict__.items():
+            if any(att.startswith(i) for i in ign) or att not in dir(CovModel):
+                continue
+            attr_doc = getattr(CovModel, att).__doc__
+            if attr_cls.__doc__ is None:
+                attr_cls.__doc__ = attr_doc
+
     def __iter__(self):
         return iter(self.models)