From 3f9cfb786ef738441090cdd234899e9ec40c0cee Mon Sep 17 00:00:00 2001
From: Aliaksei Klimau <aliakseiklimau@gmail.com>
Date: Wed, 3 Jun 2026 16:36:48 +0200
Subject: [PATCH] Add a new PulpException

---
 pulpcore/exceptions/__init__.py |  1 +
 pulpcore/exceptions/base.py     | 15 +++++++++++++++
 pulpcore/plugin/exceptions.py   |  2 ++
 3 files changed, 18 insertions(+)

diff --git a/pulpcore/exceptions/__init__.py b/pulpcore/exceptions/__init__.py
index cb334f28e2f..819b4a555b4 100644
--- a/pulpcore/exceptions/__init__.py
+++ b/pulpcore/exceptions/__init__.py
@@ -23,6 +23,7 @@
     HttpResponseError,
     SslConnectionError,
     RemoteConnectionError,
+    FeatureNotImplementedError,
 )
 from .validation import (
     ContentOverwriteError,
diff --git a/pulpcore/exceptions/base.py b/pulpcore/exceptions/base.py
index 8873f529a24..68334321418 100644
--- a/pulpcore/exceptions/base.py
+++ b/pulpcore/exceptions/base.py
@@ -430,3 +430,18 @@ def __str__(self):
         return f"[{self.error_code}] " + _("Connection failed for {url}: {details}").format(
             url=self.url, details=self.details
         )
+
+
+class FeatureNotImplementedError(PulpException):
+    """
+    Raised when a requested feature is not yet implemented.
+    """
+
+    error_code = "PLP0028"
+
+    def __init__(self, message):
+        super().__init__()
+        self.message = message
+
+    def __str__(self):
+        return f"[{self.error_code}] {self.message}"
diff --git a/pulpcore/plugin/exceptions.py b/pulpcore/plugin/exceptions.py
index 61f218be3a1..746d2520c67 100644
--- a/pulpcore/plugin/exceptions.py
+++ b/pulpcore/plugin/exceptions.py
@@ -2,6 +2,7 @@
     ContentOverwriteError,
     DigestValidationError,
     ExternalServiceError,
+    FeatureNotImplementedError,
     HttpResponseError,
     InvalidSignatureError,
     MissingDigestValidationError,
@@ -22,6 +23,7 @@
     "ContentOverwriteError",
     "ValidationError",
     "DigestValidationError",
+    "FeatureNotImplementedError",
     "InvalidSignatureError",
     "PulpException",
     "SizeValidationError",