From 0f9dfa6ba8e10fe46494797989711e853323f222 Mon Sep 17 00:00:00 2001
From: Jacob Walls <jacobtylerwalls@gmail.com>
Date: Mon, 8 Jul 2024 08:51:10 -0400
Subject: [PATCH] Fix AssertionError when inferring a property consisting of a
 partial function. (#2458)

Closes pylint-dev/pylint#9214

Thanks Martin Belanger for the report and
Bryce Guinta for the test case.
---
 ChangeLog                                  |  4 ++++
 astroid/nodes/scoped_nodes/scoped_nodes.py |  4 ++++
 tests/test_regrtest.py                     | 19 +++++++++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 77e6eab199..725f9d217b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -16,6 +16,10 @@ What's New in astroid 3.2.3?
 ============================
 Release date: TBA
 
+* Fix ``AssertionError`` when inferring a property consisting of a partial function.
+
+Closes pylint-dev/pylint#9214
+
 
 What's New in astroid 3.2.2?
 ============================
diff --git a/astroid/nodes/scoped_nodes/scoped_nodes.py b/astroid/nodes/scoped_nodes/scoped_nodes.py
index cad91dcf0f..efd5439b51 100644
--- a/astroid/nodes/scoped_nodes/scoped_nodes.py
+++ b/astroid/nodes/scoped_nodes/scoped_nodes.py
@@ -2518,6 +2518,10 @@ def igetattr(
                 elif isinstance(inferred, objects.Property):
                     function = inferred.function
                     if not class_context:
+                        if not context.callcontext:
+                            context.callcontext = CallContext(
+                                args=function.args.arguments, callee=function
+                            )
                         # Through an instance so we can solve the property
                         yield from function.infer_call_result(
                             caller=self, context=context
diff --git a/tests/test_regrtest.py b/tests/test_regrtest.py
index 45f241f8cf..101e1d4417 100644
--- a/tests/test_regrtest.py
+++ b/tests/test_regrtest.py
@@ -477,3 +477,22 @@ def test_recursion_during_inference(mocked) -> None:
     with pytest.raises(InferenceError) as error:
         next(node.infer())
     assert error.value.message.startswith("RecursionError raised")
+
+
+def test_regression_missing_callcontext() -> None:
+    node: nodes.Attribute = _extract_single_node(
+        textwrap.dedent(
+            """
+        import functools
+
+        class MockClass:
+            def _get_option(self, option):
+                return "mystr"
+
+            enabled = property(functools.partial(_get_option, option='myopt'))
+
+        MockClass().enabled
+        """
+        )
+    )
+    assert node.inferred()[0].value == "mystr"