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 import openerp.netsvc as netsvc
26 import openerp.pooler as pooler
27 import openerp.sql_db as sql_db
29 from psycopg2 import IntegrityError, errorcodes
30 from openerp.tools.func import wraps
31 from openerp.tools.translate import translate
32 from openerp.osv.orm import MetaModel
35 class except_osv(Exception):
36 def __init__(self, name, value, exc_type='warning'):
38 self.exc_type = exc_type
40 self.args = (exc_type, name)
46 self.logger = logging.getLogger('web-services')
52 def wrapper(self, dbname, *args, **kwargs):
53 """ Wraps around OSV functions and normalises a few exceptions
57 # We try to do the same as the _(), but without the frame
58 # inspection, since we aready are wrapping an osv function
59 # trans_obj = self.get('ir.translation') cannot work yet :(
62 if args and isinstance(args[-1], dict):
64 elif isinstance(kwargs, dict):
65 ctx = kwargs.get('context', {})
68 if args and isinstance(args[0], (long, int)):
71 lang = ctx and ctx.get('lang')
72 if not (lang or hasattr(src, '__call__')):
75 # We open a *new* cursor here, one reason is that failed SQL
76 # queries (as in IntegrityError) will invalidate the current one.
79 if hasattr(src, '__call__'):
80 # callable. We need to find the right parameters to call
81 # the orm._sql_message(self, cr, uid, ids, context) function,
83 # our signature is f(osv_pool, dbname [,uid, obj, method, args])
85 if args and len(args) > 1:
86 obj = self.get(args[1])
87 if len(args) > 3 and isinstance(args[3], (long, int, list)):
91 cr = sql_db.db_connect(dbname).cursor()
92 return src(obj, cr, uid, ids, context=(ctx or {}))
98 return False # so that the original SQL error will
99 # be returned, it is the best we have.
102 cr = sql_db.db_connect(dbname).cursor()
103 res = translate(cr, name=False, source_type=ttype,
104 lang=lang, source=src)
113 return tr(src, 'code')
116 if pooler.get_pool(dbname)._init:
117 raise except_osv('Database not ready', 'Currently, this database is not fully loaded and can not be used.')
118 return f(self, dbname, *args, **kwargs)
119 except orm.except_orm, inst:
120 if inst.name == 'AccessError':
121 self.logger.debug("AccessError", exc_info=True)
122 netsvc.abort_response(1, inst.name, 'warning', inst.value)
123 except except_osv, inst:
124 netsvc.abort_response(1, inst.name, inst.exc_type, inst.value)
125 except IntegrityError, inst:
126 osv_pool = pooler.get_pool(dbname)
127 for key in osv_pool._sql_error.keys():
129 netsvc.abort_response(1, _('Constraint Error'), 'warning',
130 tr(osv_pool._sql_error[key], 'sql_constraint') or inst[0])
131 if inst.pgcode in (errorcodes.NOT_NULL_VIOLATION, errorcodes.FOREIGN_KEY_VIOLATION, errorcodes.RESTRICT_VIOLATION):
132 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')
133 self.logger.debug("IntegrityError", exc_info=True)
135 errortxt = inst.pgerror.replace('«','"').replace('»','"')
136 if '"public".' in errortxt:
137 context = errortxt.split('"public".')[1]
138 model_name = table = context.split('"')[1]
140 last_quote_end = errortxt.rfind('"')
141 last_quote_begin = errortxt.rfind('"', 0, last_quote_end)
142 model_name = table = errortxt[last_quote_begin+1:last_quote_end].strip()
143 model = table.replace("_",".")
144 model_obj = osv_pool.get(model)
146 model_name = model_obj._description or model_obj._name
147 msg += _('\n\n[object with reference: %s - %s]') % (model_name, model)
150 netsvc.abort_response(1, _('Integrity Error'), 'warning', msg)
152 netsvc.abort_response(1, _('Integrity Error'), 'warning', inst[0])
154 self.logger.exception("Uncaught exception")
159 def execute_cr(self, cr, uid, obj, method, *args, **kw):
160 object = pooler.get_pool(cr.dbname).get(obj)
162 raise except_osv('Object Error', 'Object %s doesn\'t exist' % str(obj))
163 return getattr(object, method)(cr, uid, *args, **kw)
166 def execute(self, db, uid, obj, method, *args, **kw):
167 cr = pooler.get_db(db).cursor()
170 if method.startswith('_'):
171 raise except_osv('Access Denied', 'Private methods (such as %s) cannot be called remotely.' % (method,))
172 res = self.execute_cr(cr, uid, obj, method, *args, **kw)
174 self.logger.warning('The method %s of the object %s can not return `None` !', method, obj)
183 def exec_workflow_cr(self, cr, uid, obj, method, *args):
184 wf_service = netsvc.LocalService("workflow")
185 return wf_service.trg_validate(uid, obj, args[0], method, cr)
188 def exec_workflow(self, db, uid, obj, method, *args):
189 cr = pooler.get_db(db).cursor()
192 res = self.exec_workflow_cr(cr, uid, obj, method, *args)
202 class osv_memory(orm.orm_memory):
203 """ Deprecated class. """
204 __metaclass__ = MetaModel
205 _register = False # Set to false if the model shouldn't be automatically discovered.
209 """ Deprecated class. """
210 __metaclass__ = MetaModel
211 _register = False # Set to false if the model shouldn't be automatically discovered.
214 def start_object_proxy():
217 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: