<p>While everything the people above me have said is correct, I would suggest AMP as an alternative. It would allow you to send most basic Python data types in your messages.</p>
<div class="gmail_quote">On Mar 29, 2013 2:32 AM, "<a href="mailto:succer110@tiscali.it">succer110@tiscali.it</a>" <<a href="mailto:succer110@tiscali.it">succer110@tiscali.it</a>> wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>I have made 2 application: </div><div>The client extract data from a sql server (10k lines), and send every line pickled to a "collector" server via socket.</div>
<div>The server uses twisted and receive every line, unpikle it and store the data in another sql server.</div><div><br></div><div>Everytime i start sending data from client to server, in the first 200 line (everytime a different line) **the server** throws an exception:</div>
<div>SOMETIMES it something like:</div><div><br></div><div> Traceback (most recent call last):</div><div> File "collector2.py", line 81, in dataReceived</div><div> self.count,account<span style="white-space:pre-wrap"> </span>= pickle.loads(data)</div>
<div> File "/usr/lib/python2.6/pickle.py", line 1374, in loads</div><div> return Unpickler(file).load()</div><div> File "/usr/lib/python2.6/pickle.py", line 858, in load</div><div> dispatch[key](self)</div>
<div> File "/usr/lib/python2.6/pickle.py", line 1138, in load_pop</div><div> del self.stack[-1]</div><div> IndexError: list assignment index out of range</div><div><br></div><div>But it's NOT every time the same. Printing my exception i red: </div>
<div>Exception: pop from empty list</div><div>Exception: list index out of range</div><div>Exception: "'"</div><div>Exception: list assignment index out of range</div><div><br></div><div>Another strange errors is:</div>
<div>File "/usr/lib/python2.6/pickle.py", line 1124, in find_class</div><div> __import__(module)</div><div>exceptions.ImportError: No module named ond'</div><div><br></div><div> for i in listaSAI:</div>
<div> <span style="white-space:pre-wrap"> </span>crm={}</div><div> try:</div><div> <span style="white-space:pre-wrap"> </span>crm['uid']=i[0]</div><div> <span style="white-space:pre-wrap"> </span>except:</div>
<div> <span style="white-space:pre-wrap"> </span>crm['uid']=None</div><div> <span style="white-space:pre-wrap"> </span>try:</div><div> <span style="white-space:pre-wrap"> </span>crm['type_cond']=i[01]</div>
<div> <span style="white-space:pre-wrap"> </span>except:</div><div> <span style="white-space:pre-wrap"> </span>crm['type_cond']=None</div><div> <span style="white-space:pre-wrap"> </span>try:</div><div> <span style="white-space:pre-wrap"> </span>crm['population_id']=i[2]</div>
<div> <span style="white-space:pre-wrap"> </span>except:</div><div> <span style="white-space:pre-wrap"> </span>crm['population_id']=None</div><div> <span style="white-space:pre-wrap"> </span>try:</div><div>
<span style="white-space:pre-wrap"> </span>crm['product_id']=i[3]</div><div> <span style="white-space:pre-wrap"> </span>except:</div><div> <span style="white-space:pre-wrap"> </span>crm['product_id']=None</div>
<div> <span style="white-space:pre-wrap"> </span>try:</div><div> <span style="white-space:pre-wrap"> </span>crm['a_id']=i[4]</div><div> <span style="white-space:pre-wrap"> </span>except:</div><div> <span style="white-space:pre-wrap"> </span>crm['a_id']=None</div>
<div> <span style="white-space:pre-wrap"> </span>try:</div><div> <span style="white-space:pre-wrap"> </span>crm['status']=i[5]</div><div> <span style="white-space:pre-wrap"> </span>except:</div><div> <span style="white-space:pre-wrap"> </span>crm['status']=None</div>
<div> <span style="white-space:pre-wrap"> </span>#time.sleep(0.001)</div><div> <span style="white-space:pre-wrap"> </span>serialized = pickle.dumps((count,crm))</div><div> <span style="white-space:pre-wrap"> </span>#print "sent num", count, crm</div>
<div> <span style="white-space:pre-wrap"> </span>s.sendall(serialized)</div><div> <span style="white-space:pre-wrap"> </span>count += 1</div><div><br></div><div><br></div><div>And my server:</div><div><br></div><div>
def dataReceived(self, data):</div><div> <span style="white-space:pre-wrap"> </span>try:</div><div> <span style="white-space:pre-wrap"> </span>self.count,account<span style="white-space:pre-wrap"> </span>= pickle.loads(data) </div>
<div> <span style="white-space:pre-wrap"> </span>except Exception as e:</div><div> <span style="white-space:pre-wrap"> </span>print "Eccezione:", e</div><div> <span style="white-space:pre-wrap"> </span>print self.count+1</div>
<div> <span style="white-space:pre-wrap"> </span>print data</div><div> <span style="white-space:pre-wrap"> </span>print traceback.print_exc()</div><div><br></div><div><br></div><div><br></div><div>Printing the data in my client tells me that everything it's ok.</div>
<div>*If i try to slow down the process of sending using time.sleep(0.01) in my client, EVERYTHING IS FINE, and no exception are raised.*</div><div><br></div><div>What can i do to debug my code?</div><div><br></div><div>p.s. </div>
<div>I suspect that exceptions.ImportError: No module named ond' refers to "type_cond" key in crm.</div><br><br>Invita i tuoi amici e Tiscali ti premia! Il consiglio di un amico vale più di uno spot in TV. Per ogni nuovo abbonato 30 € di premio per te e per lui! Un amico al mese e parli e navighi sempre gratis: <a href="http://freelosophy.tiscali.it/" target="_blank">http://freelosophy.tiscali.it/</a> <br>
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<br></blockquote></div>