From 6e1cbd95abe999d9c3aab1fee778d91e997e0444 Mon Sep 17 00:00:00 2001
From: "d.kovalenko" <dmitry.lipetsk@gmail.com>
Date: Thu, 17 Sep 2026 12:25:28 +0300
Subject: [PATCH] OsProcessController::close is added

It is an explicit variant of __exit__ method.
---
 src/local_ops.py            |  4 +++
 src/os_ops.py               |  3 ++
 src/remote_ops.py           |  4 +++
 tests/test_os_ops_common.py | 64 +++++++++++++++++++++++++------------
 4 files changed, 54 insertions(+), 21 deletions(-)

diff --git a/src/local_ops.py b/src/local_ops.py
index 384b9d2..20c4de4 100644
--- a/src/local_ops.py
+++ b/src/local_ops.py
@@ -102,6 +102,10 @@ def returncode(self) -> typing.Optional[int]:
         assert type(self._local_process) is subprocess.Popen
         return self._local_process.poll()
 
+    def close(self) -> None:
+        self.__exit__(None, None, None)
+        return
+
     def communicate(
         self,
         input: typing.Optional[T_OS_EXEC_INPUT] = None,
diff --git a/src/os_ops.py b/src/os_ops.py
index c236cc8..1e59dae 100644
--- a/src/os_ops.py
+++ b/src/os_ops.py
@@ -75,6 +75,9 @@ def stderr(self) -> typing.Optional[T_OS_IO]:
     def returncode(self) -> typing.Optional[int]:
         RaiseError.PropertyIsNotImplemented(__class__, "get_returncode")
 
+    def close(self) -> None:
+        RaiseError.MethodIsNotImplemented(__class__, "close")
+
     T_COMMUNICATE_RESULT = typing.Union[
         typing.Tuple[bytes, bytes],
         typing.Tuple[str, str],
diff --git a/src/remote_ops.py b/src/remote_ops.py
index 424f674..faf2531 100644
--- a/src/remote_ops.py
+++ b/src/remote_ops.py
@@ -192,6 +192,10 @@ def stderr(self) -> typing.Optional[T_OS_IO]:
     def returncode(self) -> typing.Optional[int]:
         return self._poll()
 
+    def close(self) -> None:
+        self.__exit__(None, None, None)
+        return
+
     def communicate(
         self,
         input: typing.Optional[T_OS_EXEC_INPUT] = None,
diff --git a/tests/test_os_ops_common.py b/tests/test_os_ops_common.py
index 6a6d7ef..1522ed5 100644
--- a/tests/test_os_ops_common.py
+++ b/tests/test_os_ops_common.py
@@ -4199,17 +4199,22 @@ def LOCAL_f(data):
             f.seek(0)
             return f
 
-        # Yes, it it is not good. I know.
-        tmp_stdin = LOCAL_f(popen_data.expected_result)
+        tmp_stdin: typing.Optional[typing.IO[typing.Any]] = None
 
-        controller = os_ops.popen(
-            cmd,
-            text=popen_data.param_text,
-            encoding=popen_data.param_encoding,
-            stdin=tmp_stdin,
-        )
+        controller: typing.Optional[OsProcessController] = None
+
+        try:
+            tmp_stdin = LOCAL_f(
+                popen_data.expected_result,
+            )
+
+            controller = os_ops.popen(
+                cmd,
+                text=popen_data.param_text,
+                encoding=popen_data.param_encoding,
+                stdin=tmp_stdin,
+            )
 
-        with tmp_stdin, controller:
             assert isinstance(controller, OsProcessController)
 
             returncode = controller.wait()
@@ -4224,7 +4229,12 @@ def LOCAL_f(data):
             assert controller.stderr is not None
             x = controller.stderr.read()
             assert len(x) == 0
-            pass
+        finally:
+            if controller is not None:
+                controller.close()
+
+            if tmp_stdin is not None:
+                tmp_stdin.close()
 
         return
 
@@ -4355,18 +4365,21 @@ def LOCAL_f():
                 encoding=popen_data2.param_encoding,
             )
 
-        # Yes, it it is not good. I know.
-        tmp_stderr = LOCAL_f()
-        tmp_stdout = LOCAL_f()
-        controller = os_ops.popen(
-            cmd,
-            text=popen_data2.param_text,
-            encoding=popen_data2.param_encoding,
-            stdout=tmp_stdout,
-            stderr=tmp_stderr,
-        )
+        tmp_stderr: typing.Optional[typing.IO[typing.Any]] = None
+        tmp_stdout: typing.Optional[typing.IO[typing.Any]] = None
+        controller: typing.Optional[OsProcessController] = None
+
+        try:
+            tmp_stderr = LOCAL_f()
+            tmp_stdout = LOCAL_f()
+            controller = os_ops.popen(
+                cmd,
+                text=popen_data2.param_text,
+                encoding=popen_data2.param_encoding,
+                stdout=tmp_stdout,
+                stderr=tmp_stderr,
+            )
 
-        with tmp_stderr, tmp_stdout, controller:
             assert isinstance(controller, OsProcessController)
             assert controller.wait() == 0
             assert controller.returncode == 0
@@ -4386,6 +4399,15 @@ def LOCAL_f():
             assert len(v2) > 0
             logging.info("stderr: {!r}".format(v2))
             assert v2 == popen_data2.expected_result2
+        finally:
+            if controller is not None:
+                controller.close()
+
+            if tmp_stdout is not None:
+                tmp_stdout.close()
+
+            if tmp_stderr is not None:
+                tmp_stderr.close()
 
         return