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# -*- encoding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>). All Rights Reserved
# $Id$
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
import gtk
import xmlrpclib
import logging
import socket
import tiny_socket
import service
import common
import options
import os
import re
import pytz
CONCURRENCY_CHECK_FIELD = '__last_update'
class rpc_exception(Exception):
def __init__(self, code, backtrace):
self.code = code
self.args = backtrace
if hasattr(code, 'split'):
lines = code.split('\n')
self.type = lines[0].split(' -- ')[0]
self.message = ''
if len(lines[0].split(' -- ')) > 1:
self.message = lines[0].split(' -- ')[1]
self.data = '\n'.join(lines[2:])
else:
self.type = 'error'
self.message = backtrace
self.data = backtrace
self.backtrace = backtrace
log = logging.getLogger('rpc.exception')
log.warning('CODE %s: %s' % (str(code), self.message))
class gw_inter(object):
__slots__ = ('_url', '_db', '_uid', '_passwd', '_sock', '_obj')
def __init__(self, url, db, uid, passwd, obj='/object'):
self._url = url
self._db = db
self._uid = uid
self._obj = obj
self._passwd = passwd
def exec_auth(method, *args):
pass
def execute(method, *args):
pass
class xmlrpc_gw(gw_inter):
__slots__ = ('_url', '_db', '_uid', '_passwd', '_sock', '_obj')
def __init__(self, url, db, uid, passwd, obj='/object'):
gw_inter.__init__(self, url, db, uid, passwd, obj)
self._sock = xmlrpclib.ServerProxy(url+obj)
def exec_auth(self, method, *args):
logging.getLogger('rpc.request').debug_rpc(str((method, self._db, self._uid, self._passwd, args)))
res = self.execute(method, self._uid, self._passwd, *args)
logging.getLogger('rpc.result').debug_rpc_answer(str(res))
return res
def __convert(self, result):
if type(result)==type(u''):
return result.encode('utf-8')
elif type(result)==type([]):
return map(self.__convert, result)
elif type(result)==type({}):
newres = {}
for i in result.keys():
newres[i] = self.__convert(result[i])
return newres
else:
return result
def execute(self, method, *args):
result = getattr(self._sock,method)(self._db, *args)
return self.__convert(result)
class tinySocket_gw(gw_inter):
__slots__ = ('_url', '_db', '_uid', '_passwd', '_sock', '_obj')
def __init__(self, url, db, uid, passwd, obj='/object'):
gw_inter.__init__(self, url, db, uid, passwd, obj)
self._sock = tiny_socket.mysocket()
self._obj = obj[1:]
def exec_auth(self, method, *args):
logging.getLogger('rpc.request').debug_rpc(str((method, self._db, self._uid, self._passwd, args)))
res = self.execute(method, self._uid, self._passwd, *args)
logging.getLogger('rpc.result').debug_rpc_answer(str(res))
return res
def execute(self, method, *args):
self._sock.connect(self._url)
self._sock.mysend((self._obj, method, self._db)+args)
res = self._sock.myreceive()
self._sock.disconnect()
return res
class rpc_session(object):
__slots__ = ('_open', '_url', 'uid', 'uname', '_passwd', '_gw', 'db', 'context', 'timezone')
def __init__(self):
self._open = False
self._url = None
self._passwd = None
self.uid = None
self.context = {}
self.uname = None
self._gw = xmlrpc_gw
self.db = None
self.timezone = 'utc'
def rpc_exec(self, obj, method, *args):
try:
sock = self._gw(self._url, self.db, self.uid, self._passwd, obj)
return sock.execute(method, *args)
except socket.error, e:
common.message(str(e), title=_('Connection refused !'), type=gtk.MESSAGE_ERROR)
raise rpc_exception(69, _('Connection refused!'))
except xmlrpclib.Fault, err:
raise rpc_exception(err.faultCode, err.faultString)
def rpc_exec_auth_try(self, obj, method, *args):
if self._open:
sock = self._gw(self._url, self.db, self.uid, self._passwd, obj)
return sock.exec_auth(method, *args)
else:
raise rpc_exception(1, 'not logged')
def rpc_exec_auth_wo(self, obj, method, *args):
try:
sock = self._gw(self._url, self.db, self.uid, self._passwd, obj)
return sock.exec_auth(method, *args)
except xmlrpclib.Fault, err:
a = rpc_exception(err.faultCode, err.faultString)
except tiny_socket.Myexception, err:
a = rpc_exception(err.faultCode, err.faultString)
if a.code in ('warning', 'UserError'):
common.warning(a.data, a.message)
return None
raise a
def rpc_exec_auth(self, obj, method, *args):
if self._open:
try:
sock = self._gw(self._url, self.db, self.uid, self._passwd, obj)
return sock.exec_auth(method, *args)
except socket.error, e:
common.message(_('Unable to reach to OpenERP server !\nYou should check your connection to the network and the OpenERP server.'), _('Connection Error'), type=gtk.MESSAGE_ERROR)
raise rpc_exception(69, 'Connection refused!')
except Exception, e:
if isinstance(e, xmlrpclib.Fault) \
or isinstance(e, tiny_socket.Myexception):
a = rpc_exception(e.faultCode, e.faultString)
if a.type in ('warning','UserError'):
if a.message in ('ConcurrencyException') and len(args) > 4:
if common.concurrency(args[0], args[2][0], args[4]):
if CONCURRENCY_CHECK_FIELD in args[4]:
del args[4][CONCURRENCY_CHECK_FIELD]
return self.rpc_exec_auth(obj, method, *args)
else:
common.warning(a.data, a.message)
else:
common.error(_('Application Error'), e.faultCode, e.faultString)
else:
common.error(_('Application Error'), _('View details'), str(e))
#TODO Must propagate the exception?
raise
else:
raise rpc_exception(1, 'not logged')
def login(self, uname, passwd, url, port, protocol, db):
_protocol = protocol
if _protocol == 'http://' or _protocol == 'https://':
_url = _protocol + url+':'+str(port)+'/xmlrpc'
_sock = xmlrpclib.ServerProxy(_url+'/common')
self._gw = xmlrpc_gw
try:
res = _sock.login(db or '', uname or '', passwd or '')
except socket.error,e:
return -1
if not res:
self._open=False
self.uid=False
return -2
else:
_url = _protocol+url+':'+str(port)
_sock = tiny_socket.mysocket()
self._gw = tinySocket_gw
try:
_sock.connect(url, int(port))
_sock.mysend(('common', 'login', db or '', uname or '', passwd or ''))
res = _sock.myreceive()
_sock.disconnect()
except socket.error,e:
return -1
if not res:
self._open=False
self.uid=False
return -2
self._url = _url
self._open = True
self.uid = res
self.uname = uname
self._passwd = passwd
self.db = db
#CHECKME: is this useful? maybe it's used to see if there is no
# exception raised?
sock = self._gw(self._url, self.db, self.uid, self._passwd)
self.context_reload()
return 1
def migrate_databases(self, url, password, databases):
return self.exec_no_except(url, 'db', 'migrate_databases', password, databases)
def get_available_updates(self, url, password, contract_id, contract_password):
return self.exec_no_except(url, 'common', 'get_available_updates', password, contract_id, contract_password)
def get_migration_scripts(self, url, password, contract_id, contract_password):
return self.exec_no_except(url, 'common', 'get_migration_scripts', password, contract_id, contract_password)
def about(self, url):
return self.exec_no_except(url, 'common', 'about')
def login_message(self, url):
try:
return self.exec_no_except(url, 'common', 'login_message')
except:
return False
def list_db(self, url):
try:
return self.db_exec_no_except(url, 'list')
except (xmlrpclib.Fault, tiny_socket.Myexception), e:
if e.faultCode == 'AccessDenied':
return None
raise
def db_exec_no_except(self, url, method, *args):
return self.exec_no_except(url, 'db', method, *args)
def exec_no_except(self, url, resource, method, *args):
m = re.match('^(http[s]?://|socket://)([\w.\-]+):(\d{1,5})$', url or '')
if m.group(1) == 'http://' or m.group(1) == 'https://':
sock = xmlrpclib.ServerProxy(url + '/xmlrpc/' + resource)
return getattr(sock, method)(*args)
else:
sock = tiny_socket.mysocket()
sock.connect(m.group(2), int(m.group(3)))
sock.mysend((resource, method)+args)
res = sock.myreceive()
sock.disconnect()
return res
def db_exec(self, url, method, *args):
res = False
try:
res = self.db_exec_no_except(url, method, *args)
except socket.error, msg:
common.warning('Could not contact server!')
return res
def context_reload(self):
self.context = {}
self.timezone = 'utc'
self.context = self.rpc_exec_auth('/object', 'execute', 'res.users', 'context_get') or {}
if 'lang' in self.context:
import translate
translate.setlang(self.context['lang'])
options.options['client.lang']=self.context['lang']
ids = self.rpc_exec_auth('/object', 'execute', 'res.lang', 'search', [('code', '=', self.context['lang'])])
if ids:
l = self.rpc_exec_auth('/object', 'execute', 'res.lang', 'read', ids, ['direction'])
if l and 'direction' in l[0]:
common.DIRECTION = l[0]['direction']
import gtk
if common.DIRECTION == 'rtl':
gtk.widget_set_default_direction(gtk.TEXT_DIR_RTL)
else:
gtk.widget_set_default_direction(gtk.TEXT_DIR_LTR)
if self.context.get('tz'):
# FIXME: Timezone handling
# rpc_session.timezone contains the server's idea of its timezone (from time.tzname[0]),
# which is quite quite unreliable in some cases. We'll fix this in trunk.
self.timezone = self.rpc_exec_auth('/common', 'timezone_get')
try:
pytz.timezone(self.timezone)
except pytz.UnknownTimeZoneError:
# Server timezone is not recognized!
# Time values will be displayed as if located in the server timezone. (nothing we can do)
pass
def logged(self):
return self._open
def logout(self):
if self._open :
self._open = False
self.uname = None
self.uid = None
self._passwd = None
session = rpc_session()
class RPCProxy(object):
def __init__(self, resource):
self.resource = resource
self.__attrs = {}
def __getattr__(self, name):
if not name in self.__attrs:
self.__attrs[name] = RPCFunction(self.resource, name)
return self.__attrs[name]
class RPCFunction(object):
def __init__(self, object, func_name):
self.object = object
self.func = func_name
def __call__(self, *args):
return session.rpc_exec_auth('/object', 'execute', self.object, self.func, *args)
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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