File 0001-Use-sys.executable-instead-of-python.patch of Package openstack-neutron

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File 0001-Use-sys.executable-instead-of-python.patch of Package openstack-neutron (Revision 381a01c74b048d5033bc6e215d74a413)

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From 89f96f408ac3988d455b0394b50082395b7643a8 Mon Sep 17 00:00:00 2001
From: Thomas Bechtold <tbechtold@suse.com>
Date: Wed, 11 Sep 2019 10:11:13 +0200
Subject: [PATCH] Use sys.executable instead of 'python'

In a python3 only environment, 'python' might not be available (only
'python3'). So instead of hardcoding 'python' as executable, use the
executable that is used to run the tests itself which is
sys.executable .

Change-Id: Iae44aa2f1c336a0f5501312af05b0133193c5462
---
 neutron/agent/linux/daemon.py                 |  2 +-
 .../agent/linux/test_process_monitor.py       |  3 +-
 .../functional/cmd/test_netns_cleanup.py      |  8 +++--
 .../unit/agent/common/test_async_process.py   |  3 +-
 neutron/tests/unit/agent/linux/test_daemon.py | 29 ++++++++++---------
 5 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/neutron/agent/linux/daemon.py b/neutron/agent/linux/daemon.py
index 97194c3a00..0b52c3f980 100644
--- a/neutron/agent/linux/daemon.py
+++ b/neutron/agent/linux/daemon.py
@@ -170,7 +170,7 @@ class Daemon(object):
     Usage: subclass the Daemon class and override the run() method
     """
     def __init__(self, pidfile, stdin=DEVNULL, stdout=DEVNULL,
-                 stderr=DEVNULL, procname='python', uuid=None,
+                 stderr=DEVNULL, procname=sys.executable, uuid=None,
                  user=None, group=None):
         """Note: pidfile may be None."""
         self.stdin = stdin
diff --git a/neutron/tests/functional/agent/linux/test_process_monitor.py b/neutron/tests/functional/agent/linux/test_process_monitor.py
index 92d683c693..cd8e82e5de 100644
--- a/neutron/tests/functional/agent/linux/test_process_monitor.py
+++ b/neutron/tests/functional/agent/linux/test_process_monitor.py
@@ -13,6 +13,7 @@
 #    under the License.
 
 import os
+import sys
 
 from oslo_config import cfg
 from six import moves
@@ -48,7 +49,7 @@ class BaseTestProcessMonitor(base.BaseLoggingTestCase):
 
     def _make_cmdline_callback(self, uuid):
         def _cmdline_callback(pidfile):
-            cmdline = ["python", simple_daemon.__file__,
+            cmdline = [sys.executable, simple_daemon.__file__,
                        "--uuid=%s" % uuid,
                        "--pid_file=%s" % pidfile]
             return cmdline
diff --git a/neutron/tests/functional/cmd/test_netns_cleanup.py b/neutron/tests/functional/cmd/test_netns_cleanup.py
index 495b98989e..9026e60bb5 100644
--- a/neutron/tests/functional/cmd/test_netns_cleanup.py
+++ b/neutron/tests/functional/cmd/test_netns_cleanup.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 import os
+import sys
 
 import eventlet
 import mock
@@ -110,19 +111,20 @@ class NetnsCleanupTest(base.BaseSudoTestCase):
         to test the cleanup functionality which will issue a SIGKILL
         to all remaining processes after the SIGTERM attempt
         """
-        commands = [['python', process_spawn.__file__,
+        python_exec = os.path.basename(sys.executable)
+        commands = [[python_exec, process_spawn.__file__,
                      '-n', NUM_SUBPROCESSES,
                      '-f', n_const.IPv4,
                      '-p', n_const.PROTO_NAME_TCP,
                      '--noignore_sigterm',
                      '--parent_listen'],
-                    ['python', process_spawn.__file__,
+                    [python_exec, process_spawn.__file__,
                      '-n', NUM_SUBPROCESSES,
                      '-f', process_spawn.UNIX_FAMILY,
                      '-p', n_const.PROTO_NAME_TCP,
                      '--noignore_sigterm',
                      '--noparent_listen'],
-                    ['python', process_spawn.__file__,
+                    [python_exec, process_spawn.__file__,
                      '-n', NUM_SUBPROCESSES,
                      '-f', n_const.IPv4,
                      '-p', n_const.PROTO_NAME_UDP,
diff --git a/neutron/tests/unit/agent/common/test_async_process.py b/neutron/tests/unit/agent/common/test_async_process.py
index d6dc346513..cba2b8e8b1 100644
--- a/neutron/tests/unit/agent/common/test_async_process.py
+++ b/neutron/tests/unit/agent/common/test_async_process.py
@@ -13,6 +13,7 @@
 #    under the License.
 
 import signal
+import sys
 
 import eventlet.event
 from eventlet.green import subprocess
@@ -319,7 +320,7 @@ class TestFailingAsyncProcess(base.BaseTestCase):
     def setUp(self):
         super(TestFailingAsyncProcess, self).setUp()
         path = self.get_temp_file_path('async.tmp', self.get_new_temp_dir())
-        self.process = async_process.AsyncProcess(['python',
+        self.process = async_process.AsyncProcess([sys.executable,
                                                    failing_process.__file__,
                                                    path],
                                                   respawn_interval=0)
diff --git a/neutron/tests/unit/agent/linux/test_daemon.py b/neutron/tests/unit/agent/linux/test_daemon.py
index f6ef0d68ef..7c0bb9caff 100644
--- a/neutron/tests/unit/agent/linux/test_daemon.py
+++ b/neutron/tests/unit/agent/linux/test_daemon.py
@@ -153,7 +153,7 @@ class TestPidfile(base.BaseTestCase):
         self.os.O_CREAT = os.O_CREAT
         self.os.O_RDWR = os.O_RDWR
 
-        daemon.Pidfile('thefile', 'python')
+        daemon.Pidfile('thefile', sys.executable)
         self.os.open.assert_called_once_with('thefile', os.O_CREAT | os.O_RDWR)
         self.fcntl.flock.assert_called_once_with(FAKE_FD, self.fcntl.LOCK_EX |
                                                  self.fcntl.LOCK_NB)
@@ -163,14 +163,14 @@ class TestPidfile(base.BaseTestCase):
 
         with mock.patch.object(daemon.sys, 'stderr'):
             with testtools.ExpectedException(SystemExit):
-                daemon.Pidfile('thefile', 'python')
+                daemon.Pidfile('thefile', sys.executable)
                 sys.assert_has_calls([
                     mock.call.stderr.write(mock.ANY),
                     mock.call.exit(1)]
                 )
 
     def test_unlock(self):
-        p = daemon.Pidfile('thefile', 'python')
+        p = daemon.Pidfile('thefile', sys.executable)
         p.unlock()
         self.fcntl.flock.assert_has_calls([
             mock.call(FAKE_FD, self.fcntl.LOCK_EX | self.fcntl.LOCK_NB),
@@ -178,7 +178,7 @@ class TestPidfile(base.BaseTestCase):
         )
 
     def test_write(self):
-        p = daemon.Pidfile('thefile', 'python')
+        p = daemon.Pidfile('thefile', sys.executable)
         p.write(34)
 
         self.os.assert_has_calls([
@@ -189,13 +189,14 @@ class TestPidfile(base.BaseTestCase):
 
     def test_read(self):
         self.os.read.return_value = '34'
-        p = daemon.Pidfile('thefile', 'python')
+        p = daemon.Pidfile('thefile', sys.executable)
         self.assertEqual(34, p.read())
 
     def test_is_running(self):
         mock_open = self.useFixture(
-            lib_fixtures.OpenFixture('/proc/34/cmdline', 'python')).mock_open
-        p = daemon.Pidfile('thefile', 'python')
+            lib_fixtures.OpenFixture('/proc/34/cmdline',
+                                     sys.executable)).mock_open
+        p = daemon.Pidfile('thefile', sys.executable)
 
         with mock.patch.object(p, 'read') as read:
             read.return_value = 34
@@ -206,8 +207,9 @@ class TestPidfile(base.BaseTestCase):
     def test_is_running_uuid_true(self):
         mock_open = self.useFixture(
             lib_fixtures.OpenFixture(
-                '/proc/34/cmdline', 'python 1234')).mock_open
-        p = daemon.Pidfile('thefile', 'python', uuid='1234')
+                '/proc/34/cmdline', '{} 1234'.format(
+                    sys.executable))).mock_open
+        p = daemon.Pidfile('thefile', sys.executable, uuid='1234')
 
         with mock.patch.object(p, 'read') as read:
             read.return_value = 34
@@ -218,8 +220,9 @@ class TestPidfile(base.BaseTestCase):
     def test_is_running_uuid_false(self):
         mock_open = self.useFixture(
             lib_fixtures.OpenFixture(
-                '/proc/34/cmdline', 'python 1234')).mock_open
-        p = daemon.Pidfile('thefile', 'python', uuid='6789')
+                '/proc/34/cmdline', '{} 1234'.format(
+                    sys.executable))).mock_open
+        p = daemon.Pidfile('thefile', sys.executable, uuid='6789')
 
         with mock.patch.object(p, 'read') as read:
             read.return_value = 34
@@ -239,11 +242,11 @@ class TestDaemon(base.BaseTestCase):
 
     def test_init(self):
         d = daemon.Daemon('pidfile')
-        self.assertEqual(d.procname, 'python')
+        self.assertEqual(d.procname, sys.executable)
 
     def test_init_nopidfile(self):
         d = daemon.Daemon(pidfile=None)
-        self.assertEqual(d.procname, 'python')
+        self.assertEqual(d.procname, sys.executable)
         self.assertFalse(self.pidfile.called)
 
     def test_fork_parent(self):
-- 
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File 0001-Use-sys.executable-instead-of-python.patch of Package openstack-neutron (Revision 381a01c74b048d5033bc6e215d74a413)

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