Update logins.py

add filter history

logins.py

@@ -16,6 +16,7 @@ def __init__(self,username,password):
 
     def ssh(self, ip, port='22'):
         ssh = pexpect.spawn('ssh %s@%s -p %s ' % (self.username, ip, port))
+        ssh.setwinsize(40,130)
         try:
             i = ssh.expect(['continue connecting (yes/no)?','[pP]assword:'],timeout=10)
             if i == 0 :
@@ -38,7 +39,7 @@ def ssh(self, ip, port='22'):
 
 
 
-    def searchDevice(self,device_info,_list='None'):
+    def searchDevice(self,device_info='',_list='None'):
         device_info = device_info.lower().replace('_','-')
         if _list == 'None':
             device = open(self.conffile,'r').readlines()
@@ -51,13 +52,19 @@ def searchDevice(self,device_info,_list='None'):
         return result
 
     def runcmd(self,cmd):
-        cmd = cmd.strip().strip('/')
+        cmd = cmd.strip().strip('$')
         if cmd == '' or cmd == 'help':
             self.cmd_help() 
         elif cmd.startswith('user'):
             self.cmd_user(cmd)
+        elif cmd.startswith('show'):
+            self.cmd_show(cmd)
         else:
             self.cmd_help()
+
+    def cmd_show(self,cmd):
+        print 'Current user is: ',self.username
+        print 
 
     def cmd_help(self):
         print '''
@@ -67,9 +74,13 @@ def cmd_help(self):
 
 To change username & password, use:
 
-search> /user [username]  
+search> $user [username]  
 search> Password:*****  
 
+To show current user, use:
+
+search> $show
+
 ***
 '''
 
@@ -89,53 +100,72 @@ def cmd_user(self,cmd):
 
     def main(self):
         while True:
-
+            history = []
+            flag = -2
+            device_list = self.searchDevice()
+            device_all = device_list
+            history.append(device_all)
+            print '''\nNotice: 
+\texit : exit program
+\tend  : all device list
+\tq    : previous device list
+\t/3   : select device\n'''
             while True:
-                print '\nNotice: Search sth. from IP or Hostname, input "quit" to quit!\n'
+                notice = '' 
+                print '#'
+                print ' Devices:'+str(len(device_list))
+                print ' Filter times:'+str(len(history))
+                print ' Filter length:',str([len(i) for i in history])
+                print 
                 device_info = raw_input('search>')
 
-                if device_info.strip() == 'quit':
+                if device_info.strip() == 'exit':
                     sys.exit()
                     print 'Bye!'
-                if device_info.startswith('/'):
+                elif device_info.strip() == 'q':
+                    try:
+                        device_list = history[flag]
+                        history.pop()
+                    except:
+                        history = []
+                        history.append(device_all)
+                    continue
+                elif device_info.strip() == 'end':
+                    device_list = history[0]
+                    history = []
+                    history.append(device_all)
+                    continue
+                elif device_info.startswith('$'):
                     self.runcmd(device_info)
+                    continue
+                elif device_info.startswith('/'):
+                    try:
+                        selected = device_list[int(device_info.strip('/'))]
+                        break
+                    except Exception, e:
+                        print e
+                        continue
                 else:
-                    break
-
-            device_list=self.searchDevice(device_info)
+                    device_list = self.searchDevice(device_info,device_list)
+                    history.append(device_list)
 
-            if len(device_list) == 1:
-                ip, hostname = device_list[0].split(',')
-            elif len(device_list) == 0:
-                print 'No Device found!'
-                continue
-            else:
-                while True:
-                    for i in device_list:
-                        print '['+str(device_list.index(i))+'] '+i.strip()
-                    print '\nNotice: Input device Number , or start with "/" to search!'
-                    device_index = raw_input('select$')
-                    if device_index.startswith('/'):
-                        device_list=self.searchDevice(device_index.strip('/'),device_list)
-                        if len(device_list) == 1:
-                            selected = device_list[0]
-                            break
-                        continue
-                    elif device_index.strip() == 'quit':
+                    if len(device_list) == 1:
+                        selected = device_list[0]
                         break
-                    try:
-                        selected = device_list[int(device_index)]
-                        break
-                    except:
+                    elif len(device_list) == 0:
+                        notice = 'No device found!'
+                        device_list = history[flag]
+                        history.pop()
                         continue
-                if device_index.strip() == 'quit':
-                    continue
+                for i in device_list:
+                    print '['+str(device_list.index(i))+'] '+i.strip()
 
-                ip, hostname = selected.split(',')
+            if notice:print notice
+            ip, hostname = selected.split(',')
 
             result = self.ssh(ip.strip())
             if 'port 22: Connection refused' in str(result):
-                self.ssh(ip.strip(),'2222')
+                self.ssh(ip.strip(),'51899')
 
 
 def usage():
@@ -152,4 +182,3 @@ def usage():
     lg = logins(user,passwd)
     lg.main()
 
-