Fix caplog access during teardown report creation

changelog/14436.bugfix.rst

@@ -0,0 +1,2 @@
+Fixed ``KeyError`` from the ``caplog`` fixture when a plugin accesses
+``caplog.text`` during teardown report creation.

src/_pytest/logging.py

@@ -422,6 +422,8 @@ class LogCaptureFixture:
     def __init__(self, item: nodes.Node, *, _ispytest: bool = False) -> None:
         check_ispytest(_ispytest)
         self._item = item
+        self._handler = item.stash[caplog_handler_key]
+        self._records = item.stash[caplog_records_key]
         self._initial_handler_level: int | None = None
         # Dict of log name -> log level.
         self._initial_logger_levels: dict[str | None, int] = {}
@@ -446,7 +448,7 @@ def _finalize(self) -> None:
     @property
     def handler(self) -> LogCaptureHandler:
         """Get the logging handler used by the fixture."""
-        return self._item.stash[caplog_handler_key]
+        return self._handler
 
     def get_records(
         self, when: Literal["setup", "call", "teardown"]
@@ -461,7 +463,7 @@ def get_records(
 
         .. versionadded:: 3.4
         """
-        return self._item.stash[caplog_records_key].get(when, [])
+        return self._records.get(when, [])
 
     @property
     def text(self) -> str:

testing/logging/test_fixture.py

@@ -508,3 +508,31 @@ def test_that_fails(request, caplog):
         ["*Print message*", "*INFO log message*", "*WARNING log message*"]
     )
     assert result.ret == 1
+
+
+def test_caplog_text_access_from_teardown_makereport(pytester: Pytester) -> None:
+    """Regression test for #14436."""
+    pytester.makeconftest(
+        """
+        def pytest_runtest_makereport(item, call):
+            if call.when == "teardown" and "caplog" in item.funcargs:
+                caplog = item.funcargs["caplog"]
+                caplog.text
+                assert [r.getMessage() for r in caplog.get_records("call")] == [
+                    "call log"
+                ]
+        """
+    )
+    pytester.makepyfile(
+        """
+        import logging
+
+        def test_uses_caplog(caplog):
+            caplog.set_level(logging.INFO)
+            logging.info("call log")
+        """
+    )
+
+    result = pytester.runpytest()
+    result.assert_outcomes(passed=1)
+    result.stdout.no_fnmatch_line("*KeyError*")