Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2017-10-11

# gpg: Signature made Wed 11 Oct 2017 19:49:40 BST
# gpg:                using RSA key 0x2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/python-next-pull-request:
  scripts: Remove debug parameter from QEMUMachine
  scripts: Remove debug parameter from QEMUMonitorProtocol
  guestperf: Configure logging on all shell frontends
  basevm: Call logging.basicConfig()
  iotests: Set up Python logging

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 10 insertions, 15 deletions

diff --git a/scripts/qemu.py b/scripts/qemu.py
index c9a106fbce..9bfdf6d37d 100644
--- a/scripts/qemu.py
+++ b/scripts/qemu.py
@@ -54,7 +54,7 @@ class QEMUMachine(object):
 
     def __init__(self, binary, args=None, wrapper=None, name=None,
                  test_dir="/var/tmp", monitor_address=None,
-                 socket_scm_helper=None, debug=False):
+                 socket_scm_helper=None):
         '''
         Initialize a QEMUMachine
 
@@ -65,7 +65,6 @@ class QEMUMachine(object):
         @param test_dir: where to create socket and log file
         @param monitor_address: address for QMP monitor
         @param socket_scm_helper: helper program, required for send_fd_scm()"
-        @param debug: enable debug mode
         @note: Qemu process is not started until launch() is used.
         '''
         if args is None:
@@ -85,12 +84,11 @@ class QEMUMachine(object):
         self._events = []
         self._iolog = None
         self._socket_scm_helper = socket_scm_helper
-        self._debug = debug
         self._qmp = None
         self._qemu_full_args = None
 
         # just in case logging wasn't configured by the main script:
-        logging.basicConfig(level=(logging.DEBUG if debug else logging.WARN))
+        logging.basicConfig()
 
     def __enter__(self):
         return self
@@ -177,8 +175,7 @@ class QEMUMachine(object):
 
     def _pre_launch(self):
         self._qmp = qmp.qmp.QEMUMonitorProtocol(self._monitor_address,
-                                                server=True,
-                                                debug=self._debug)
+                                                server=True)
 
     def _post_launch(self):
         self._qmp.accept()
diff --git a/scripts/qmp/qmp.py b/scripts/qmp/qmp.py
index ef12e8a1a0..07c9632e9e 100644
--- a/scripts/qmp/qmp.py
+++ b/scripts/qmp/qmp.py
@@ -11,7 +11,7 @@
 import json
 import errno
 import socket
-import sys
+import logging
 
 
 class QMPError(Exception):
@@ -32,12 +32,14 @@ class QMPTimeoutError(QMPError):
 
 class QEMUMonitorProtocol(object):
 
+    #: Logger object for debugging messages
+    logger = logging.getLogger('QMP')
     #: Socket's error class
     error = socket.error
     #: Socket's timeout
     timeout = socket.timeout
 
-    def __init__(self, address, server=False, debug=False):
+    def __init__(self, address, server=False):
         """
         Create a QEMUMonitorProtocol class.
 
@@ -51,7 +53,6 @@ class QEMUMonitorProtocol(object):
         """
         self.__events = []
         self.__address = address
-        self._debug = debug
         self.__sock = self.__get_sock()
         self.__sockfile = None
         if server:
@@ -83,8 +84,7 @@ class QEMUMonitorProtocol(object):
                 return
             resp = json.loads(data)
             if 'event' in resp:
-                if self._debug:
-                    print >>sys.stderr, "QMP:<<< %s" % resp
+                self.logger.debug("<<< %s", resp)
                 self.__events.append(resp)
                 if not only_event:
                     continue
@@ -164,8 +164,7 @@ class QEMUMonitorProtocol(object):
         @return QMP response as a Python dict or None if the connection has
                 been closed
         """
-        if self._debug:
-            print >>sys.stderr, "QMP:>>> %s" % qmp_cmd
+        self.logger.debug(">>> %s", qmp_cmd)
         try:
             self.__sock.sendall(json.dumps(qmp_cmd))
         except socket.error as err:
@@ -173,8 +172,7 @@ class QEMUMonitorProtocol(object):
                 return
             raise socket.error(err)
         resp = self.__json_read()
-        if self._debug:
-            print >>sys.stderr, "QMP:<<< %s" % resp
+        self.logger.debug("<<< %s", resp)
         return resp
 
     def cmd(self, name, args=None, cmd_id=None):