tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)

Use the program search path to find the Python 3 interpreter.

Patch created mechanically by running:

  $ sed -i "s,^#\!/usr/bin/\(env\ \)\?python$,#\!/usr/bin/env python3," \
       $(git grep -l 'if __name__.*__main__')

Reported-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200130163232.10446-4-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

tests/qemu-iotests/030

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for image streaming.
 #

tests/qemu-iotests/040

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for image block commit.
 #

tests/qemu-iotests/041

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for image mirroring.
 #

tests/qemu-iotests/044

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests growing a large refcount table.
 #

tests/qemu-iotests/045

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for fdsets and getfd.
 #

tests/qemu-iotests/055

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for drive-backup and blockdev-backup
 #

tests/qemu-iotests/056

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for drive-backup
 #

tests/qemu-iotests/057

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for internal snapshot.
 #

tests/qemu-iotests/065

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test for additional information emitted by qemu-img info on qcow2
 # images

tests/qemu-iotests/093

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for IO throttling
 #

tests/qemu-iotests/096

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test that snapshots move the throttling configuration to the active
 # layer

tests/qemu-iotests/118

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test case for the QMP 'change' command and all other associated
 # commands

tests/qemu-iotests/124

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for incremental drive-backup
 #

tests/qemu-iotests/129

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests that "bdrv_drain_all" doesn't drain block jobs
 #

tests/qemu-iotests/132

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test mirror with unmap
 #

tests/qemu-iotests/136

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for block device statistics
 #

tests/qemu-iotests/139

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test cases for the QMP 'blockdev-del' command
 #

tests/qemu-iotests/147

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test case for NBD's blockdev-add interface
 #

tests/qemu-iotests/148

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test the rate limit of QMP events
 #

tests/qemu-iotests/151

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for active mirroring
 #

tests/qemu-iotests/152

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for drive-mirror with source size unaligned to granularity
 #

tests/qemu-iotests/155

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test whether the backing BDSs are correct after completion of a
 # mirror block job; in "existing" modes (drive-mirror with

tests/qemu-iotests/163

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for shrinking images
 #

tests/qemu-iotests/165

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for persistent dirty bitmaps.
 #

tests/qemu-iotests/169

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for dirty bitmaps migration.
 #

tests/qemu-iotests/196

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test clearing unknown autoclear_features flag by qcow2 after
 # migration. This test mimics migration to older qemu.

tests/qemu-iotests/199

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for dirty bitmaps postcopy migration.
 #

tests/qemu-iotests/205

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tests for qmp command nbd-server-remove.
 #

tests/qemu-iotests/245

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test cases for the QMP 'x-blockdev-reopen' command
 #

tests/qemu-iotests/257

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test bitmap-sync backups (incremental, differential, and partials)
 #

tests/qemu-iotests/258

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Very specific tests for adjacent commit/stream block jobs
 #

tests/qemu-iotests/281

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Test cases for blockdev + IOThread interactions
 #

tests/qemu-iotests/nbd-fault-injector.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # NBD server - fault injection utility
 #
 # Configuration file syntax:

tests/qemu-iotests/qcow2.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from __future__ import print_function
 import sys

tests/qemu-iotests/qed.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Tool to manipulate QED image files
 #