Manual:API Python3

 #!/usr/bin/python
 
 import sys, posix, time, binascii, socket, select
 import hashlib
 
 class ApiRos:
   "Routeros api"
   def __init__(self, sk):
       self.sk = sk
       self.currenttag = 0
 
   def login(self, username, pwd):
       for repl, attrs in self.talk(["/login"]):
           chal = binascii.unhexlify((attrs['=ret']).encode('UTF-8'))
       md = hashlib.md5()
       md.update(b'\x00')
       md.update(pwd.encode('UTF-8'))
       md.update(chal)
       self.talk(["/login", "=name=" + username,
                  "=response=00" + binascii.hexlify(md.digest()).decode('UTF-8') ])
 
   def talk(self, words):
       if self.writeSentence(words) == 0: return
       r = []
       while 1:
           i = self.readSentence();
           if len(i) == 0: continue
           reply = i[0]
           attrs = {}
           for w in i[1:]:
               j = w.find('=', 1)
               if (j == -1):
                   attrs[w] = 
               else:
                   attrs[w[:j]] = w[j+1:]
           r.append((reply, attrs))
           if reply == '!done': return r
 
   def writeSentence(self, words):
       ret = 0
       for w in words:
           self.writeWord(w)
           ret += 1
       self.writeWord()
       return ret
 
   def readSentence(self):
       r = []
       while 1:
           w = self.readWord()
           if w == : return r
           r.append(w)
           
   def writeWord(self, w):
       print(("<<< " + w))
       self.writeLen(len(w))
       self.writeStr(w)
 
   def readWord(self):
       ret = self.readStr(self.readLen())
       print((">>> " + ret))
       return ret
 
   def writeLen(self, l):
       if l < 0x80:
           self.writeStr(chr(l))
       elif l < 0x4000:
           l |= 0x8000
           self.writeStr(chr((l >> 8) & 0xFF))
           self.writeStr(chr(l & 0xFF))
       elif l < 0x200000:
           l |= 0xC00000
           self.writeStr(chr((l >> 16) & 0xFF))
           self.writeStr(chr((l >> 8) & 0xFF))
           self.writeStr(chr(l & 0xFF))
       elif l < 0x10000000:        
           l |= 0xE0000000         
           self.writeStr(chr((l >> 24) & 0xFF))
           self.writeStr(chr((l >> 16) & 0xFF))
           self.writeStr(chr((l >> 8) & 0xFF))
           self.writeStr(chr(l & 0xFF))
       else:                       
           self.writeStr(chr(0xF0))
           self.writeStr(chr((l >> 24) & 0xFF))
           self.writeStr(chr((l >> 16) & 0xFF))
           self.writeStr(chr((l >> 8) & 0xFF))
           self.writeStr(chr(l & 0xFF))
 
   def readLen(self):              
       c = ord(self.readStr(1))    
       if (c & 0x80) == 0x00:      
           pass                    
       elif (c & 0xC0) == 0x80:    
           c &= ~0xC0              
           c <<= 8                 
           c += ord(self.readStr(1))    
       elif (c & 0xE0) == 0xC0:    
           c &= ~0xE0              
           c <<= 8                 
           c += ord(self.readStr(1))    
           c <<= 8                 
           c += ord(self.readStr(1))    
       elif (c & 0xF0) == 0xE0:    
           c &= ~0xF0              
           c <<= 8                 
           c += ord(self.readStr(1))    
           c <<= 8                 
           c += ord(self.readStr(1))    
           c <<= 8                 
           c += ord(self.readStr(1))    
       elif (c & 0xF8) == 0xF0:    
           c = ord(self.readStr(1))     
           c <<= 8                 
           c += ord(self.readStr(1))    
           c <<= 8                 
           c += ord(self.readStr(1))    
           c <<= 8                 
           c += ord(self.readStr(1))    
       return c                    
 
   def writeStr(self, str):        
       n = 0;                      
       while n < len(str):         
           r = self.sk.send(bytes(str[n:], 'UTF-8'))
           if r == 0: raise RuntimeError("connection closed by remote end")
           n += r                  
 
   def readStr(self, length):      
       ret =                     
       while len(ret) < length:    
           s = self.sk.recv(length - len(ret)).decode('UTF-8')
           if s == : raise RuntimeError("connection closed by remote end")
           ret += s
       return ret
 
 def main():
   s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
   s.connect((sys.argv[1], 8728))  
   apiros = ApiRos(s);             
   apiros.login(sys.argv[2], sys.argv[3]);
 
   inputsentence = []
 
   while 1:
       r = select.select([s, sys.stdin], [], [], None)
       if s in r[0]:
           # something to read in socket, read sentence
           x = apiros.readSentence()
 
       if sys.stdin in r[0]:
           # read line from input and strip off newline
           l = sys.stdin.readline()
           l = l[:-1]
 
           # if empty line, send sentence and start with new
           # otherwise append to input sentence
           if l == :
               apiros.writeSentence(inputsentence)
               inputsentence = []
           else:
               inputsentence.append(l)
 
 if __name__ == '__main__':
   main()