Python管理Windows服务小脚本

本文实例为大家分享了Python管理Windows服务的具体代码，供大家参考，具体内容如下

#!/usr/bin/python
# encoding: utf-8
# -*- coding: utf8 -*-
"""
Created by PyCharm.
File:        LinuxBashShellScriptForOps:ServiceControl.py
User:        Guodong
Create Date:    2016/10/14
Create Time:    17:57

Example of program with many options using docopt, control system service.
Usage:
 ServiceControl.py SERVICE_NAME SERVICE_ACTION
 ServiceControl.py SERVICE_ACTION SERVICE_NAME
 ServiceControl.py --version | -v
 ServiceControl.py --help | -h
Arguments:
 SERVICE_NAME service name
 SERVICE_ACTION service action in ["start", "stop", "restart", "status"]
Options:
 -h --help      show this help message and exit
 -v --version     show version and exit
"""
import sys
import codecs
import locale
import psutil
import win32serviceutil
import time
from collections import OrderedDict

from docopt import docopt

UNKNOWN = 0
STOPPED = 1
START_PENDING = 2
STOP_PENDING = 3
RUNNING = 4

status_code = {
  0: "UNKNOWN",
  1: "STOPPED",
  2: "START_PENDING",
  3: "STOP_PENDING",
  4: "RUNNING"
}

def get_system_encoding():
  """
  The encoding of the default system locale but falls back to the given
  fallback encoding if the encoding is unsupported by python or could
  not be determined. See tickets #10335 and #5846
  """
  try:
    encoding = locale.getdefaultlocale()[1] or 'ascii'
    codecs.lookup(encoding)
  except Exception:
    encoding = 'ascii'
  return encoding

DEFAULT_LOCALE_ENCODING = get_system_encoding()

# try:
#   result = result.decode(DEFAULT_LOCALE_ENCODING)
# except UnicodeDecodeError:
#   # UnicodeDecodeError - preventive treatment for non-latin Windows.
#   return ''

def is_iterable(source):
  if source is not None:
    try:
      iter(source)
    except TypeError:
      return False
    return True
  else:
    raise RuntimeError("argument cannot be None")

def status_service(service_name):
  try:
    result = win32serviceutil.QueryServiceStatus(service_name)[1]
    if result == START_PENDING:
      print "service %s is %s, please wait" % (service_name, status_code[result])
      time.sleep(2)
      return RUNNING
    elif result == STOP_PENDING:
      print "service %s is %s, please wait" % (service_name, status_code[result])
      time.sleep(2)
      return STOPPED
    else:
      return result if result is not None else 0
  except Exception as e:
    if e.message:
      raise RuntimeError(e.message)
    elif e.args:
      # print e.args
      args = list()
      for arg in e.args:
        if is_iterable(arg):
          args.append(unicode(eval(repr(arg)), 'gbk'))
        else:
          args.append(arg)
      print "Error:", args[-1], tuple(args)
      raise RuntimeError
    else:
      raise RuntimeError("Uncaught exception, maybe it is a 'Access Denied'") # will not reach here

def start_service(service_name):
  status = status_service(service_name)
  if status == STOPPED:
    pass
  elif status == RUNNING:
    print "service %s already started" % service_name
    return status

  try:
    print "starting %s" % service_name
    win32serviceutil.StartService(service_name)
  except Exception as e:
    if e.message:
      raise RuntimeError(e.message)
    elif e.args:
      # print e.args
      args = list()
      for arg in e.args:
        if is_iterable(arg):
          args.append(unicode(eval(repr(arg)), 'gbk'))
        else:
          args.append(arg)
      print "Error:", args[-1], tuple(args)
      raise RuntimeError
    else:
      raise RuntimeError("Uncaught exception, maybe it is a 'Access Denied'") # will not reach here
  return status_service(service_name)

def stop_service(service_name):
  status = status_service(service_name)
  if status == STOPPED:
    print "service %s already stopped" % service_name
    return status
  elif status == RUNNING:
    pass
  else:
    return status
  try:
    print "stopping %s" % service_name
    win32serviceutil.StopService(service_name)
  except Exception as e:
    if e.message:
      print e.message
    elif e.args:
      # print e.args
      args = list()
      for arg in e.args:
        if is_iterable(arg):
          args.append(unicode(eval(repr(arg)), 'gbk'))
        else:
          args.append(arg)
      print "Error:", args[-1], tuple(args)
      raise RuntimeError
    else:
      raise RuntimeError("Uncaught exception, maybe it is a 'Access Denied'") # will not reach here
  return status_service(service_name)

def restart_service(service_name):
  status = status_service(service_name)
  if status == START_PENDING or status == RUNNING:
    if status == START_PENDING:
      time.sleep(2)
    stop_service(service_name)
    status = status_service(service_name)
    if status == STOPPED or status == STOP_PENDING:
      if status == STOP_PENDING:
        time.sleep(2)
      return start_service(service_name)
  elif status == STOPPED or status == STOP_PENDING:
    print "service %s not running." % service_name
    return start_service(service_name)
  else:
    return status_service(service_name)

def do_service(service_name, service_action):
  # https://docs.python.org/2/faq/design.html#why-isn-t-there-a-switch-or-case-statement-in-python
  # http://python.jobbole.com/82008/
  valid_action = ["start", "stop", "restart", "status"]
  maps = {
    "start": "start_service(service_name)",
    "stop": "stop_service(service_name)",
    "restart": "restart_service(service_name)",
    "status": "status_service(service_name)",
  }
  if service_name == "" or service_action == "":
    raise RuntimeError("service_name and service_action cannot be empty.")
  if service_action in valid_action:
    return eval(maps[service_action])
  else:
    raise RuntimeError("bad service_action '%s', valid action is %s" % (service_action, valid_action))

def list_service():
  service_dict = OrderedDict()
  for service in psutil.win_service_iter():
    service_dict[service.name()] = service.display_name()
  return service_dict

def is_valid_service_name(service_name):
  if service_name.lower() in [name.lower() for name, display_name in list_service().items()]:
    return True
  else:
    return False

if __name__ == '__main__':
  SERVICE_ACTION = ["start", "stop", "restart", "status"]
  arguments = docopt(__doc__, version='1.0.0rc2')

  if arguments['SERVICE_NAME'] != "" and arguments['SERVICE_ACTION'] != "":
    if arguments['SERVICE_ACTION'] in SERVICE_ACTION:
      pass
    elif arguments['SERVICE_NAME'] in SERVICE_ACTION:
      tmp = arguments['SERVICE_ACTION']
      arguments['SERVICE_ACTION'] = arguments['SERVICE_NAME']
      arguments['SERVICE_NAME'] = tmp
    else:
      print __doc__
      sys.exit(1)

    if is_valid_service_name(arguments['SERVICE_NAME']):
      pass
    else:
      raise RuntimeError("server '%s' not exist" % arguments['SERVICE_NAME'])

    return_code = do_service(arguments['SERVICE_NAME'], arguments['SERVICE_ACTION'])

    try:
      print status_code[return_code]
    except KeyError:
      print "return_code is %s." % return_code
  else:
    print __doc__
    sys.exit(1)

# TODO(Guodong Ding) run a command as administrator with administrative privilege, use 'runas' command?
state_command = "C:\WINDOWS\System32\sc.exe query MySQL56"
start_command = "C:\WINDOWS\System32\sc.exe start MySQL56"
stop_command = "C:\WINDOWS\System32\sc.exe stop MySQL56"

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