4 import dateutil.relativedelta
13 _logger = logging.getLogger(__name__)
15 #----------------------------------------------------------
16 # OpenERPSession RPC openerp backend access
17 #----------------------------------------------------------
18 class AuthenticationError(Exception):
21 class Service(object):
22 def __init__(self, session, service_name):
23 self.session = session
24 self.service_name = service_name
26 def __getattr__(self, method):
27 def proxy_method(*args):
28 result = self.session.send(self.service_name, method, *args)
33 def __init__(self, session, model):
34 self.session = session
36 self.proxy = self.session.proxy('object')
38 def __getattr__(self, method):
39 def proxy(*args, **kw):
40 result = self.proxy.execute_kw(self.session._db, self.session._uid, self.session._password, self.model, method, args, kw)
43 if isinstance(result, list) and len(result) > 0 and "id" in result[0]:
47 result = [index[x] for x in args[0] if x in index]
51 def search_read(self, domain=None, fields=None, offset=0, limit=None, order=None, context=None):
52 record_ids = self.search(domain or [], offset, limit or False, order or False, context or {})
53 if not record_ids: return []
54 records = self.read(record_ids, fields or [], context or {})
57 class OpenERPSession(object):
59 An OpenERP RPC session, a given user can own multiple such sessions
62 .. attribute:: context
64 The session context, a ``dict``. Can be reloaded by calling
65 :meth:`openerpweb.openerpweb.OpenERPSession.get_context`
67 .. attribute:: domains_store
69 A ``dict`` matching domain keys to evaluable (but non-literal) domains.
71 Used to store references to non-literal domains which need to be
72 round-tripped to the client browser.
75 self._creation_time = time.time()
79 self._password = False
82 self.jsonp_requests = {} # FIXME use a LRU
84 def send(self, service_name, method, *args):
85 code_string = "warning -- %s\n\n%s"
87 return openerp.netsvc.dispatch_rpc(service_name, method, args)
88 except openerp.osv.osv.except_osv, e:
89 raise xmlrpclib.Fault(code_string % (e.name, e.value), '')
90 except openerp.exceptions.Warning, e:
91 raise xmlrpclib.Fault(code_string % ("Warning", e), '')
92 except openerp.exceptions.AccessError, e:
93 raise xmlrpclib.Fault(code_string % ("AccessError", e), '')
94 except openerp.exceptions.AccessDenied, e:
95 raise xmlrpclib.Fault('AccessDenied', str(e))
96 except openerp.exceptions.DeferredException, e:
97 formatted_info = "".join(traceback.format_exception(*e.traceback))
98 raise xmlrpclib.Fault(openerp.tools.ustr(e.message), formatted_info)
100 formatted_info = "".join(traceback.format_exception(*(sys.exc_info())))
101 raise xmlrpclib.Fault(openerp.tools.exception_to_unicode(e), formatted_info)
103 def proxy(self, service):
104 return Service(self, service)
106 def bind(self, db, uid, login, password):
110 self._password = password
112 def authenticate(self, db, login, password, env=None):
113 uid = self.proxy('common').authenticate(db, login, password, env)
114 self.bind(db, uid, login, password)
116 if uid: self.get_context()
119 def assert_valid(self, force=False):
121 Ensures this session is valid (logged into the openerp server)
123 if self._uid and not force:
125 # TODO use authenticate instead of login
126 uid = self.proxy("common").login(self._db, self._login, self._password)
128 raise AuthenticationError("Authentication failure")
130 def ensure_valid(self):
133 self.assert_valid(True)
137 def execute(self, model, func, *l, **d):
139 model = self.model(model)
140 r = getattr(model, func)(*l, **d)
143 def exec_workflow(self, model, id, signal):
145 r = self.proxy('object').exec_workflow(self._db, self._uid, self._password, model, signal, id)
148 def model(self, model):
149 """ Get an RPC proxy for the object ``model``, bound to this session.
151 :param model: an OpenERP model name
153 :rtype: a model object
156 return Model(self, model)
158 def get_context(self):
159 """ Re-initializes the current user's session context (based on
160 his preferences) by calling res.users.get_context() with the old
163 :returns: the new context
165 assert self._uid, "The user needs to be logged-in to initialize his context"
166 self.context = self.model('res.users').context_get() or {}
167 self.context['uid'] = self._uid
168 self._fix_lang(self.context)
171 def _fix_lang(self, context):
172 """ OpenERP provides languages which may not make sense and/or may not
173 be understood by the web client's libraries.
177 :param dict context: context to fix
179 lang = context['lang']
181 # inane OpenERP locale
185 # lang to lang_REGION (datejs only handles lang_REGION, no bare langs)
186 if lang in babel.core.LOCALE_ALIASES:
187 lang = babel.core.LOCALE_ALIASES[lang]
189 context['lang'] = lang