[Buildroot] [PATCH v2 1/1] package/python-sysv-ipc: new package

[Vincent Cruz <mooz@blockos.org>]

From: Vincent Jardin <vjardin@free.fr>

python-sysv-ipc provides Python bindings for System V IPC primitives
(semaphores, shared memory and message queues).

https://github.com/osvenskan/sysv_ipc

Signed-off-by: Vincent Jardin <vjardin@free.fr>
Signed-off-by: Vincent Cruz <mooz@blockos.org>

---
Changes v1 -> v2:
  - Bump version to 1.2.0
  - Add test

Tested with Buildroot gitlab CI:
  https://gitlab.com/v_cz/buildroot/-/pipelines/2455626637

---
 DEVELOPERS                                    |  2 +
 package/Config.in                             |  1 +
 package/python-sysv-ipc/Config.in             |  7 ++++
 package/python-sysv-ipc/python-sysv-ipc.hash  |  4 ++
 package/python-sysv-ipc/python-sysv-ipc.mk    | 16 ++++++++
 .../tests/package/sample_python_sysv_ipc.py   | 26 +++++++++++++
 .../tests/package/test_python_sysv_ipc.py     | 39 +++++++++++++++++++
 .../rootfs-overlay/root/ping.py               | 17 ++++++++
 .../rootfs-overlay/root/pong.py               | 17 ++++++++
 9 files changed, 129 insertions(+)
 create mode 100644 package/python-sysv-ipc/Config.in
 create mode 100644 package/python-sysv-ipc/python-sysv-ipc.hash
 create mode 100644 package/python-sysv-ipc/python-sysv-ipc.mk
 create mode 100644 support/testing/tests/package/sample_python_sysv_ipc.py
 create mode 100644 support/testing/tests/package/test_python_sysv_ipc.py
 create mode 100644 support/testing/tests/package/test_python_sysv_ipc/rootfs-overlay/root/ping.py
 create mode 100644 support/testing/tests/package/test_python_sysv_ipc/rootfs-overlay/root/pong.py

diff --git a/DEVELOPERS b/DEVELOPERS
index b20cf7d93c..fb4731168b 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -3372,6 +3372,8 @@ F:	package/dpdk/
 F:	package/libecoli/
 F:	package/libnss-ato/
 F:	package/libyang-cpp/
+F:	package/python-sysv-ipc/
+F:	package/rpmsg-echo-test/
 F:	package/sysrepo-cpp/
 
 N:	Vincent Prince <vincent.prince.fr@gmail.com>
diff --git a/package/Config.in b/package/Config.in
index d0f148699b..30c8a77bde 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -1439,6 +1439,7 @@ menu "External python modules"
 	source "package/python-starlette/Config.in"
 	source "package/python-sympy/Config.in"
 	source "package/python-systemd/Config.in"
+	source "package/python-sysv-ipc/Config.in"
 	source "package/python-tabledata/Config.in"
 	source "package/python-tcolorpy/Config.in"
 	source "package/python-telnetlib3/Config.in"
diff --git a/package/python-sysv-ipc/Config.in b/package/python-sysv-ipc/Config.in
new file mode 100644
index 0000000000..487935b680
--- /dev/null
+++ b/package/python-sysv-ipc/Config.in
@@ -0,0 +1,7 @@
+config BR2_PACKAGE_PYTHON_SYSV_IPC
+	bool "python-sysv-ipc"
+	help
+	  System V IPC primitives (semaphores, shared memory and
+	  message queues) for Python.
+
+	  https://github.com/osvenskan/sysv_ipc
diff --git a/package/python-sysv-ipc/python-sysv-ipc.hash b/package/python-sysv-ipc/python-sysv-ipc.hash
new file mode 100644
index 0000000000..ecdd154035
--- /dev/null
+++ b/package/python-sysv-ipc/python-sysv-ipc.hash
@@ -0,0 +1,4 @@
+# From https://pypi.org/pypi/sysv-ipc/1.2.0/json
+sha256  ef96ab33bb62e4d14142f0be0524dcc0c3c70c96442df2fc773c67b7c7514199  sysv_ipc-1.2.0.tar.gz
+# Locally computed
+sha256  ca1c736814f4b73052ba877eaa9e09b40c7e22f1b5d025236246227cc1d87fdc  LICENSE
diff --git a/package/python-sysv-ipc/python-sysv-ipc.mk b/package/python-sysv-ipc/python-sysv-ipc.mk
new file mode 100644
index 0000000000..82efc21168
--- /dev/null
+++ b/package/python-sysv-ipc/python-sysv-ipc.mk
@@ -0,0 +1,16 @@
+################################################################################
+#
+# python-sysv-ipc
+#
+################################################################################
+
+PYTHON_SYSV_IPC_VERSION = 1.2.0
+PYTHON_SYSV_IPC_SOURCE = sysv_ipc-$(PYTHON_SYSV_IPC_VERSION).tar.gz
+PYTHON_SYSV_IPC_SITE = https://files.pythonhosted.org/packages/f2/5e/59208c6dd05ebc6f46ce2023c4fc01ffe814a1967d21b35d312c7e6ffeae
+
+PYTHON_SYSV_IPC_LICENSE = BSD-3-Clause
+PYTHON_SYSV_IPC_LICENSE_FILES = PKG-INFO LICENSE
+
+PYTHON_SYSV_IPC_SETUP_TYPE = setuptools
+
+$(eval $(python-package))
diff --git a/support/testing/tests/package/sample_python_sysv_ipc.py b/support/testing/tests/package/sample_python_sysv_ipc.py
new file mode 100644
index 0000000000..1b5941329c
--- /dev/null
+++ b/support/testing/tests/package/sample_python_sysv_ipc.py
@@ -0,0 +1,26 @@
+import subprocess
+import sys
+import sysv_ipc
+
+key = [303, 808]
+iterations = 6
+
+queue = [
+    sysv_ipc.MessageQueue(key[0], sysv_ipc.IPC_CREX),
+    sysv_ipc.MessageQueue(key[1], sysv_ipc.IPC_CREX)
+]
+
+procs = [None] * 2
+
+procs[0] = subprocess.Popen([sys.executable, "/root/ping.py", str(key[0]), str(key[1]), str(iterations)])
+procs[1] = subprocess.Popen([sys.executable, "/root/pong.py", str(key[1]), str(key[0]), str(iterations)])
+
+for p in procs:
+    try:
+        errs = p.wait(timeout=15)
+    except subprocess.TimeoutExpired:
+        p.kill()
+        errs = p.wait()
+
+for q in queue:
+    q.remove()
diff --git a/support/testing/tests/package/test_python_sysv_ipc.py b/support/testing/tests/package/test_python_sysv_ipc.py
new file mode 100644
index 0000000000..e6a697dfcf
--- /dev/null
+++ b/support/testing/tests/package/test_python_sysv_ipc.py
@@ -0,0 +1,39 @@
+import os
+import infra
+from tests.package.test_python import TestPythonPackageBase
+
+
+class TestPythonSysVIPC(TestPythonPackageBase):
+    rootfs_overlay = infra.filepath("tests/package/test_python_sysv_ipc/rootfs-overlay")
+
+    __test__ = True
+    config = TestPythonPackageBase.config + \
+        f"""
+        BR2_PACKAGE_PYTHON3=y
+        BR2_PACKAGE_PYTHON_SYSV_IPC=y
+        BR2_ROOTFS_OVERLAY="{rootfs_overlay}"
+        """
+    sample_scripts = ["tests/package/sample_python_sysv_ipc.py"]
+
+    def test_run(self):
+        self.login()
+        self.check_sample_scripts_exist()
+
+        cmd = self.interpreter + " " + os.path.basename(self.sample_scripts[0])
+        output, ret = self.emulator.run(cmd, timeout=self.timeout)
+
+        self.assertEqual(ret, 0)
+        self.assertEqual(output, [
+            'ping 0',
+            'pong 0',
+            'ping 1',
+            'pong 1',
+            'ping 2',
+            'pong 2',
+            'ping 3',
+            'pong 3',
+            'ping 4',
+            'pong 4',
+            'ping 5',
+            'pong 5',
+        ])
diff --git a/support/testing/tests/package/test_python_sysv_ipc/rootfs-overlay/root/ping.py b/support/testing/tests/package/test_python_sysv_ipc/rootfs-overlay/root/ping.py
new file mode 100644
index 0000000000..d5c1df3879
--- /dev/null
+++ b/support/testing/tests/package/test_python_sysv_ipc/rootfs-overlay/root/ping.py
@@ -0,0 +1,17 @@
+import argparse
+import sysv_ipc
+
+parser = argparse.ArgumentParser()
+parser.add_argument("input", help="input message queue key", type=int)
+parser.add_argument("output", help="output message queue key", type=int)
+parser.add_argument("count", help="iterations count", type=int)
+args = parser.parse_args()
+
+incoming = sysv_ipc.MessageQueue(args.input)
+outgoing = sysv_ipc.MessageQueue(args.output)
+
+for i in range(0, args.count):
+    outgoing.send(f"ping {i}")
+
+    s, _ = incoming.receive()
+    print(s.decode())
diff --git a/support/testing/tests/package/test_python_sysv_ipc/rootfs-overlay/root/pong.py b/support/testing/tests/package/test_python_sysv_ipc/rootfs-overlay/root/pong.py
new file mode 100644
index 0000000000..9fe672a6e4
--- /dev/null
+++ b/support/testing/tests/package/test_python_sysv_ipc/rootfs-overlay/root/pong.py
@@ -0,0 +1,17 @@
+import argparse
+import sysv_ipc
+
+parser = argparse.ArgumentParser()
+parser.add_argument("input", help="input message queue key", type=int)
+parser.add_argument("output", help="output message queue key", type=int)
+parser.add_argument("count", help="iterations count", type=int)
+args = parser.parse_args()
+
+incoming = sysv_ipc.MessageQueue(args.input)
+outgoing = sysv_ipc.MessageQueue(args.output)
+
+for i in range(0, args.count):
+    s, _ = incoming.receive()
+    print(s.decode())
+    
+    outgoing.send(f"pong {i}")
-- 
2.51.0

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