1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # OpenERP, Open Source Management Solution
5 # Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero General Public License as
9 # published by the Free Software Foundation, either version 3 of the
10 # License, or (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Affero General Public License for more details.
17 # You should have received a copy of the GNU Affero General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 ##############################################################################
22 #.apidoc title: Objects Services (OSV)
25 from psycopg2 import IntegrityError, errorcodes
29 import openerp.netsvc as netsvc
30 import openerp.pooler as pooler
31 import openerp.sql_db as sql_db
32 from openerp.tools.func import wraps
33 from openerp.tools.translate import translate
34 from openerp.osv.orm import MetaModel, Model, TransientModel, AbstractModel
35 import openerp.exceptions
37 # For backward compatibility
38 except_osv = openerp.exceptions.Warning
42 class object_proxy(object):
44 self.logger = logging.getLogger('web-services')
50 def wrapper(self, dbname, *args, **kwargs):
51 """ Wraps around OSV functions and normalises a few exceptions
55 # We try to do the same as the _(), but without the frame
56 # inspection, since we aready are wrapping an osv function
57 # trans_obj = self.get('ir.translation') cannot work yet :(
60 if args and isinstance(args[-1], dict):
62 elif isinstance(kwargs, dict):
63 ctx = kwargs.get('context', {})
66 if args and isinstance(args[0], (long, int)):
69 lang = ctx and ctx.get('lang')
70 if not (lang or hasattr(src, '__call__')):
73 # We open a *new* cursor here, one reason is that failed SQL
74 # queries (as in IntegrityError) will invalidate the current one.
77 if hasattr(src, '__call__'):
78 # callable. We need to find the right parameters to call
79 # the orm._sql_message(self, cr, uid, ids, context) function,
81 # our signature is f(osv_pool, dbname [,uid, obj, method, args])
83 if args and len(args) > 1:
84 obj = self.get(args[1])
85 if len(args) > 3 and isinstance(args[3], (long, int, list)):
89 cr = sql_db.db_connect(dbname).cursor()
90 return src(obj, cr, uid, ids, context=(ctx or {}))
96 return False # so that the original SQL error will
97 # be returned, it is the best we have.
100 cr = sql_db.db_connect(dbname).cursor()
101 res = translate(cr, name=False, source_type=ttype,
102 lang=lang, source=src)
111 return tr(src, 'code')
114 if pooler.get_pool(dbname)._init:
115 raise except_osv('Database not ready', 'Currently, this database is not fully loaded and can not be used.')
116 return f(self, dbname, *args, **kwargs)
117 except orm.except_orm, inst:
118 if inst.name == 'AccessError':
119 self.logger.debug("AccessError", exc_info=True)
120 netsvc.abort_response(1, inst.name, 'warning', inst.value)
123 except IntegrityError, inst:
124 osv_pool = pooler.get_pool(dbname)
125 for key in osv_pool._sql_error.keys():
127 netsvc.abort_response(1, _('Constraint Error'), 'warning',
128 tr(osv_pool._sql_error[key], 'sql_constraint') or inst[0])
129 if inst.pgcode in (errorcodes.NOT_NULL_VIOLATION, errorcodes.FOREIGN_KEY_VIOLATION, errorcodes.RESTRICT_VIOLATION):
130 msg = _('The operation cannot be completed, probably due to the following:\n- deletion: you may be trying to delete a record while other records still reference it\n- creation/update: a mandatory field is not correctly set')
131 self.logger.debug("IntegrityError", exc_info=True)
133 errortxt = inst.pgerror.replace('«','"').replace('»','"')
134 if '"public".' in errortxt:
135 context = errortxt.split('"public".')[1]
136 model_name = table = context.split('"')[1]
138 last_quote_end = errortxt.rfind('"')
139 last_quote_begin = errortxt.rfind('"', 0, last_quote_end)
140 model_name = table = errortxt[last_quote_begin+1:last_quote_end].strip()
141 model = table.replace("_",".")
142 model_obj = osv_pool.get(model)
144 model_name = model_obj._description or model_obj._name
145 msg += _('\n\n[object with reference: %s - %s]') % (model_name, model)
148 netsvc.abort_response(1, _('Integrity Error'), 'warning', msg)
150 netsvc.abort_response(1, _('Integrity Error'), 'warning', inst[0])
152 self.logger.exception("Uncaught exception")
157 def execute_cr(self, cr, uid, obj, method, *args, **kw):
158 object = pooler.get_pool(cr.dbname).get(obj)
160 raise except_osv('Object Error', 'Object %s doesn\'t exist' % str(obj))
161 return getattr(object, method)(cr, uid, *args, **kw)
164 def execute(self, db, uid, obj, method, *args, **kw):
165 cr = pooler.get_db(db).cursor()
168 if method.startswith('_'):
169 raise except_osv('Access Denied', 'Private methods (such as %s) cannot be called remotely.' % (method,))
170 res = self.execute_cr(cr, uid, obj, method, *args, **kw)
172 self.logger.warning('The method %s of the object %s can not return `None` !', method, obj)
181 def exec_workflow_cr(self, cr, uid, obj, method, *args):
182 wf_service = netsvc.LocalService("workflow")
183 return wf_service.trg_validate(uid, obj, args[0], method, cr)
186 def exec_workflow(self, db, uid, obj, method, *args):
187 cr = pooler.get_db(db).cursor()
190 res = self.exec_workflow_cr(cr, uid, obj, method, *args)
199 # deprecated - for backward compatibility.
201 osv_memory = TransientModel
202 osv_abstract = AbstractModel # ;-)
205 def start_object_proxy():
208 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: