import sys, socket, zlib, lxml, hashlib
import xml.etree.ElementTree as etree

tmpfile=sys.argv[2]
host=sys.argv[3]
port=int(sys.argv[4])

def mdhashing(instring):
     m=hashlib.md5()
     m.update(instring)
     hashed=etree.Element("hashed",mdhash=m.digest())
     return(etree.tostring(hashed))

def compressing(instring):
     comptext=zlib.compress(instring,5)
     return (comptext)
...
def fromfile(tmpfile):
     f=open(tmpfile, "rb")#тут текстовик на 8 с копейками метров с данными формата: int:int!hex:int,hex:int:hex:int
     h=f.read()
     p=etree.Element("p", px=str(h))
     restree=etree.tostring(p)
     f.close()
     return(restree+mdhashing(restree))

a=compressing(fromfile(tmpfile))
srv=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
srv.bind((host,port))
srv.listen(1)
sock,addr=srv.accept()
sock.send(a,1024)
sock.close()

import socket, zlib, sys
from BeautifulSoup import BeautifulStoneSoup

host=sys.argv[2]
port=int(sys.argv[3])

def decompressing (instring):
     decomp=zlib.decompress(instring)
     return(decomp)

sock=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((host,port))
result1=sock.recv(1024)
result=decompress(result1)
tree=BeautifulStoneSoup(result)
print tree.prettify()

import zlib
f=open("tmpfile", 'rb')
string=f.read()
cstring=zlib.compress(string)
dcstring=zlib.decompress(cstring)
print dcstring
f.close()

sock.send(a,1024)

chunk=1024
i=0
ok=""
while i<len(a):
     to_send=a[i:i+chunk]
     sock.send(to_send)
     ok=sock.recv(1024)
     i=i+chunk
sock.send("fin")

result1=sock.recv(1024)

result1=sock.recv(1024)
result2=""
while result1!="fin":
     result2=result2+result1
     sock.send("ok")
     result1=sock.recv(1024)