Pickle in a POST/GET request give EOFError

[Romaric DEFAUX]

Hi everybody !

First time I write to this mailing list
I started writing in python last week, that's probably why I can't
understand the following problem...


I create a list called web_site_list.
This list contain dictionaries called web_site.
And some values in this dictionaries are list too.

I do that in a function and I return this :
return pickle.dumps(web_site_list)

This is working fine

If I do :
print "%s" % pickle.loads(system.get_web_site_list())

I've got the right stuffs. For example it returns :
[{'documentroot_size': '120', 'servername': '---default---', 'client':
'undefined', 'documentroot': '/var/www/', 'client_contact': 'undefined',
'serveralias': []}]

I send this to a web service. I send it like that :
#I put it in params
def system_updateweb_site(server, login, password):
params = {}
params['login'] = login
params['password'] = password
params['action'] = 'updateweb_site'
params['servername'] = get_servername()
params['hosted_web_site'] = get_web_site_list()
return call_system_ws(server, params)

#Here's how I send it (I tried in GET and POST)
def call_system_ws(host, params):
query_string = urllib.urlencode(params)
#GET
# f = urllib.urlopen("http://%s/ws?%s" % (host, query_string))
#POST
f = urllib.urlopen("http://%s/ws" % (host), query_string)
result = f.readline().strip()
if result == 'ERROR':
msg = f.readline().strip()
return (False, msg)
return (True, result)


On the server side :
if action == 'updateweb_site':
if not (fields.has_key('servername')
and fields.has_key('hosted_web_site')):
raise WSError('missing
parameter : servername or hosted_web_site')
log ('ERROR : missing parameter
: servername or hosted_web_site')
else:

servername=g.db.escape_string(fields['servername'])

hosted_web_site=g.db.escape_string(fields['hosted_web_site'])
output =
systemserver.updateweb_site(cursor, servername, hosted_web_site)

In systemserver.py :
def updateweb_site(cursor, host, hosted_web_site):
web_site_list = pickle.loads(hosted_web_site)
return "%s" % (web_site_list)

I catch this error :*

<type 'exceptions.EOFError'>*:

args = ()
message = ''

Why ?

If I just print hosted_web_site, I get this on my web page :

(lp0\n(dp1\nS\'documentroot_size\'\np2\nS\'120\'\np3\nsS\'servername\'\np4\nS\'default\'\np5\nsS\'client\'\np6\nS\'undefined\'\np7\nsS\'documentroot\'\np8\nS\'/var/www/\'\np9\nsS\'client_contact\'\np10\ng7\nsS\'serveralias\'\np11\n(lp12\nsa.

It's the "pickled view" of
[{'documentroot_size': '120', 'servername': '---default---', 'client': 'undefined', 'documentroot': '/var/www/', 'client_contact': 'undefined', 'serveralias': []}]

Can someone help me please ? I spend my afternoon to google to try to
find a solution...


Thanks in advance !!!

Romaric Defaux