1#!/usr/bin/python 2#pylint: disable-msg=C0111 3import BeautifulSoup,optparse 4 5try: 6 import pycurl 7except ImportError: 8 print "Failed to import pycurl. Ignoring." 9 10############################################################### 11# Digital Loggers Web Power Switch management 12############################################################### 13# Version: 0.01 14# Description: This is both a module and a script 15# 16# The module provides a python class named 17# DLIPower that allows managing the web power 18# switch from python programs. 19# 20# When run as a script this acts as a command 21# line utilty to manage the DLI Power switch. 22# Author: Dwight Hubbard d@dhub.me 23# Copyright: This module may be used for any use personal 24# or commercial as long as the author and copyright 25# notice are included in full. 26############################################################### 27 28# Global settings 29# Timeout in seconds 30TIMEOUT=5 31 32class powerswitch: 33 """ Manage the DLI Web power switch """ 34 def __init__(self,userid='admin',password='4321',hostname='192.168.0.100'): 35 self.userid=userid 36 self.password=password 37 self.hostname=hostname 38 self.contents='' 39 def verify(self): 40 """ Verify we can reach the switch, returns true if ok """ 41 return self.geturl() 42 def body_callback(self,buf): 43 self.contents=self.contents+buf 44 def geturl(self,url='index.htm') : 45 self.contents='' 46 curl = pycurl.Curl() 47 curl.setopt(curl.TIMEOUT,TIMEOUT) 48 curl.setopt(curl.URL, 'http://%s:%s@%s/%s' % (self.userid,self.password,self.hostname,url)) 49 curl.setopt(curl.WRITEFUNCTION, self.body_callback) 50 try: 51 curl.perform() 52 curl.close() 53 except pycurl.error: 54 return None 55 return self.contents 56 def off(self,outlet=0): 57 """ Turn off a power to an outlet """ 58 self.geturl(url= 'outlet?%d=OFF' % outlet) 59 def on(self,outlet=0): 60 """ Turn on power to an outlet """ 61 self.geturl(url= 'outlet?%d=ON' % outlet) 62 def statuslist(self): 63 """ Return the status of all outlets in a list, 64 each item will contain 3 itmes plugnumber, hostname and state """ 65 outlets=[] 66 url=self.geturl('index.htm') 67 if not url: 68 return None 69 soup=BeautifulSoup.BeautifulSoup(url) 70 try: 71 powertable=soup.findAll('table')[5] 72 except IndexError: 73 return None 74 for temp in powertable.findAll('tr')[2:]: 75 columns=temp.findAll('td') 76 plugnumber=columns[0].string 77 hostname=columns[1].string 78 state=columns[2].find('font').string 79 outlets.append([int(plugnumber),hostname,state]) 80 return outlets 81 def printstatus(self): 82 """ Print the status off all the outlets as a table to stdout """ 83 if not self.statuslist(): 84 print "Unable to communicte to the Web power switch at %s" % self.hostname 85 return None 86 print 'Outlet\t%-15.15s\tState' % 'Hostname' 87 for item in self.statuslist(): 88 print '%d\t%-15.15s\t%s' % (item[0],item[1],item[2]) 89 def status(self,outlet=1): 90 """ Return the status of an outlet, returned value will be one of: On, Off, Unknown """ 91 outlets=self.statuslist() 92 if outlet: 93 for plug in outlets: 94 if plug[0] == outlet: 95 return plug[2] 96 return 'Unknown' 97 98if __name__ == "__main__": 99 parser = optparse.OptionParser() 100 parser.add_option('--hostname',dest='hostname',default="192.168.0.100") 101 parser.add_option('--user', dest='user', default="admin") 102 parser.add_option('--password',dest='password',default="4321") 103 (options, args) = parser.parse_args() 104 105 switch=powerswitch(userid=options.user,password=options.password,hostname=options.hostname) 106 if len(args): 107 if len(args) == 2: 108 if args[0].lower() in ['on','poweron']: 109 switch.on(int(args[1])) 110 if args[0].lower() in ['off','poweroff']: 111 switch.off(int(args[1])) 112 if args[0].lower() in ['status']: 113 print switch.status(int(args[1])) 114 else: 115 switch.printstatus() 116