bin/workflow/wkf_expr.py

   1 ##############################################################################
   2 #
   3 # Copyright (c) 2004 TINY SPRL. (http://tiny.be) All Rights Reserved.
   4 #
   5 # $Id: wkf_expr.py 1304 2005-09-08 14:35:42Z nicoe $
   6 #
   7 # WARNING: This program as such is intended to be used by professional
   8 # programmers who take the whole responsability of assessing all potential
   9 # consequences resulting from its eventual inadequacies and bugs
  10 # End users who are looking for a ready-to-use solution with commercial
  11 # garantees and support are strongly adviced to contract a Free Software
  12 # Service Company
  13 #
  14 # This program is Free Software; you can redistribute it and/or
  15 # modify it under the terms of the GNU General Public License
  16 # as published by the Free Software Foundation; either version 2
  17 # of the License, or (at your option) any later version.
  18 #
  19 # This program is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with this program; if not, write to the Free Software
  26 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  27 #
  28 ##############################################################################
  29 import sys
  30 import netsvc
  31 import osv as base
  32 import pooler
  33
  34
  35 class EnvCall(object):
  36
  37         def __init__(self,wf_service,d_arg):
  38                 self.wf_service=wf_service
  39                 self.d_arg=d_arg
  40
  41         def __call__(self,*args):
  42                 arg=self.d_arg+args
  43                 return self.wf_service.execute_cr(*arg)
  44
  45
  46 class Env(dict):
  47
  48         def __init__(self, wf_service, cr, uid, model, ids):
  49                 self.wf_service = wf_service
  50                 self.cr = cr
  51                 self.uid = uid
  52                 self.model = model
  53                 self.ids = ids
  54                 self.obj = pooler.get_pool(cr.dbname).get(model)
  55                 self.columns = self.obj._columns.keys() + self.obj._inherit_fields.keys()
  56
  57         def __getitem__(self, key):
  58                 if (key in self.columns) or (key in dir(self.obj)):
  59                         res = self.obj.browse(self.cr, self.uid, self.ids[0])
  60                         return res[key]
  61                         #res=self.wf_service.execute_cr(self.cr, self.uid, self.model, 'read',\
  62                         #               self.ids, [key])[0][key]
  63                         #super(Env, self).__setitem__(key, res)
  64                         #return res
  65                 #elif key in dir(self.obj):
  66                 #       return EnvCall(self.wf_service, (self.cr, self.uid, self.model, key,\
  67                 #                       self.ids))
  68                 else:
  69                         return super(Env, self).__getitem__(key)
  70
  71 def _eval_expr(cr, ident, workitem, action):
  72         ret=False
  73         for line in action.split('\n'):
  74                 uid=ident[0]
  75                 model=ident[1]
  76                 ids=[ident[2]]
  77                 if line =='True':
  78                         ret=True
  79                 elif line =='False':
  80                         ret=False
  81                 else:
  82                         wf_service = netsvc.LocalService("object_proxy")
  83                         env = Env(wf_service, cr, uid, model, ids)
  84                         ret = eval(line, env)
  85         return ret
  86
  87 def execute_action(cr, ident, workitem, activity):
  88         print 'Execute Action'
  89         wf_service = netsvc.LocalService("object_proxy")
  90         obj = pooler.get_pool(cr.dbname).get('ir.actions.server')
  91         ctx = {'active_id':ident[2], 'active_ids':[ident[2]]}
  92         result = obj.run(cr, ident[0], [activity['action_id']], ctx)
  93         print 'Result', result
  94         return result
  95
  96 def execute(cr, ident, workitem, activity):
  97         return _eval_expr(cr, ident, workitem, activity['action'])
  98
  99 def check(cr, workitem, ident, transition, signal):
 100         ok = True
 101         if transition['signal']:
 102                 ok = (signal==transition['signal'])
 103
 104         if transition['role_id']:
 105                 uid = ident[0]
 106                 serv = netsvc.LocalService('object_proxy')
 107                 user_roles = serv.execute_cr(cr, uid, 'res.users', 'read', [uid], ['roles_id'])[0]['roles_id']
 108                 ok = ok and serv.execute_cr(cr, uid, 'res.roles', 'check', user_roles, transition['role_id'])
 109         ok = ok and _eval_expr(cr, ident, workitem, transition['condition'])
 110         return ok
 111