387 lines
13 KiB
Python
387 lines
13 KiB
Python
#!/usr/bin/python
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import datetime
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import functools
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import optparse
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import time
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import dateutil.relativedelta
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import os
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import sys
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import tempfile
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import traceback
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import uuid
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import xmlrpclib
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import cherrypy
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import cherrypy.lib.static
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import simplejson
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import xmlrpctimeout
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#----------------------------------------------------------
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# OpenERP Client Library
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#----------------------------------------------------------
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class OpenERPUnboundException(Exception):
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pass
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class OpenERPConnector(object):
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pass
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class OpenERPAuth(object):
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pass
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class OpenERPModel(object):
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def __init__(self, session, model):
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self._session = session
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self._model = model
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def __getattr__(self, name):
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return lambda *l:self._session.execute(self._model, name, *l)
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class OpenERPSession(object):
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"""
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An OpenERP RPC session, a given user can own multiple such sessions
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in a web session.
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.. attribute:: context
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The session context, a ``dict``. Can be reloaded by calling
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:meth:`openerpweb.openerpweb.OpenERPSession.get_context`
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"""
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def __init__(self, server='127.0.0.1', port=8069,
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model_factory=OpenERPModel):
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self._server = server
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self._port = port
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self._db = False
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self._uid = False
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self._login = False
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self._password = False
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self.model_factory = model_factory
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self.context = {}
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def proxy(self, service):
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s = xmlrpctimeout.TimeoutServerProxy('http://%s:%s/xmlrpc/%s' % (self._server, self._port, service), timeout=5)
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return s
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def bind(self, db, uid, password):
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self._db = db
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self._uid = uid
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self._password = password
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def login(self, db, login, password):
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uid = self.proxy('common').login(db, login, password)
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self.bind(db, uid, password)
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self._login = login
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if uid: self.get_context()
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return uid
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def execute(self, model, func, *l, **d):
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if not (self._db and self._uid and self._password):
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raise OpenERPUnboundException()
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r = self.proxy('object').execute(self._db, self._uid, self._password, model, func, *l, **d)
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return r
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def model(self, model):
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""" Get an RPC proxy for the object ``model``, bound to this session.
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:param model: an OpenERP model name
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:type model: str
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:rtype: :class:`openerpweb.openerpweb.OpenERPModel`
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"""
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return self.model_factory(self, model)
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def get_context(self):
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""" Re-initializes the current user's session context (based on
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his preferences) by calling res.users.get_context() with the old
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context
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:returns: the new context
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"""
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assert self._uid, "The user needs to be logged-in to initialize his context"
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self.context = self.model('res.users').context_get(self.context)
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return self.context
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@property
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def base_eval_context(self):
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""" Default evaluation context for the session.
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Used to evaluate contexts and domains.
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"""
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return dict(
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uid=self._uid,
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current_date=datetime.date.today().strftime('%Y-%m-%d'),
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time=time,
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datetime=datetime,
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relativedelta=dateutil.relativedelta.relativedelta,
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**self.context
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)
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def eval_context(self, context_string, context=None):
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""" Evaluates the provided context_string in the context (haha) of
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the context.
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:param str context_string: a context to evaluate, if not a string,
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will be returned as-is
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:param dict context: the context to use in the evaluation, if any.
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Will be merged with a default context and
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the session context.
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:returns: the evaluated context
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:rtype: dict
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"""
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if not isinstance(context_string, basestring):
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return context_string
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return eval(context_string, dict(
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self.base_eval_context,
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**(context or {})))
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def eval_domain(self, domain_string, context=None):
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""" Evaluates the provided domain_string using the provided context
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(merged with the session's evaluation context)
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:param str domain_string: an OpenERP domain as a string, to evaluate.
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If not a string, is returned as-is
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:param dict context: the context to use in the evaluation, if any.
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:returns: the evaluated domain
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:rtype: list
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"""
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if not isinstance(domain_string, basestring):
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return domain_string
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return eval(domain_string, dict(
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self.base_eval_context,
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**(context or {})))
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#----------------------------------------------------------
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# OpenERP Web RequestHandler
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#----------------------------------------------------------
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class JsonRequest(object):
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""" JSON-RPC2 over HTTP POST using non standard POST encoding.
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Difference with the standard:
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- the json string is passed as a form parameter named "request"
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- method is currently ignored
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Sucessful request:
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--> {"jsonrpc": "2.0", "method": "call", "params": {"session_id": "SID", "context": {}, "arg1": "val1" }, "id": null}
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<-- {"jsonrpc": "2.0", "result": { "res1": "val1" }, "id": null}
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Request producing a error:
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--> {"jsonrpc": "2.0", "method": "call", "params": {"session_id": "SID", "context": {}, "arg1": "val1" }, "id": null}
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<-- {"jsonrpc": "2.0", "error": {"code": 1, "message": "End user error message.", "data": {"code": "codestring", "debug": "traceback" } }, "id": null}
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"""
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def parse(self, request):
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self.params = request.get("params", {})
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self.session_id = self.params.pop("session_id", None) or uuid.uuid4().hex
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self.session = cherrypy.session.setdefault(self.session_id, OpenERPSession())
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self.context = self.params.pop('context', None)
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return self.params
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def dispatch(self, controller, method, requestf=None, request=None):
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''' Calls the method asked for by the JSON-RPC2 request
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:param controller: the instance of the controller which received the request
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:type controller: type
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:param method: the method which received the request
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:type method: callable
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:param requestf: a file-like object containing an encoded JSON-RPC2 request
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:type requestf: <read() -> bytes>
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:param request: an encoded JSON-RPC2 request
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:type request: bytes
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:returns: a string-encoded JSON-RPC2 reply
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:rtype: bytes
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'''
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if requestf:
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request = simplejson.load(requestf)
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else:
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request = simplejson.loads(request)
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try:
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print "--> %s.%s %s" % (controller.__class__.__name__, method.__name__, request)
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error = None
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result = method(controller, self, **self.parse(request))
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except OpenERPUnboundException:
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error = {
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'code': 100,
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'message': "OpenERP Session Invalid",
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'data': {
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'type': 'session_invalid',
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'debug': traceback.format_exc()
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}
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}
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except xmlrpclib.Fault, e:
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error = {
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'code': 200,
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'message': "OpenERP Server Error",
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'data': {
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'type': 'server_exception',
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'fault_code': e.faultCode,
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'debug': "Client %s\nServer %s" % (
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"".join(traceback.format_exception("", None, sys.exc_traceback)), e.faultString)
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}
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}
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except Exception:
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error = {
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'code': 300,
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'message': "OpenERP WebClient Error",
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'data': {
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'type': 'client_exception',
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'debug': "Client %s" % traceback.format_exc()
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}
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}
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response = {"jsonrpc": "2.0", "id": request.get('id')}
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if error:
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response["error"] = error
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else:
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response["result"] = result
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print "<--", response
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print
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content = simplejson.dumps(response)
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cherrypy.response.headers['Content-Type'] = 'application/json'
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cherrypy.response.headers['Content-Length'] = len(content)
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return content
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def jsonrequest(f):
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@cherrypy.expose
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@functools.wraps(f)
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def json_handler(self):
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return JsonRequest().dispatch(self, f, requestf=cherrypy.request.body)
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return json_handler
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class HttpRequest(object):
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""" Regular GET/POST request
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"""
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def __init__(self):
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# result may be filled, it's content will be updated by the return
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# value of the dispatched function if it's a dict
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self.result = ""
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def dispatch(self, controller, f, request):
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print "GET/POST --> %s.%s %s" % (controller.__class__.__name__, f.__name__, request)
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r = f(controller, self, request)
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return r
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def httprequest(f):
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# check cleaner wrapping:
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# functools.wraps(f)(lambda x: JsonRequest().dispatch(x, f))
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l = lambda self, request: HttpRequest().dispatch(self, f, request)
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l.exposed = 1
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return l
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#-----------------------------------------------------------
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# Cherrypy stuff
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#-----------------------------------------------------------
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path_root = os.path.dirname(os.path.dirname(os.path.normpath(__file__)))
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path_addons = os.path.join(path_root, 'addons')
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cherrypy_root = None
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# globals might move into a pool if needed
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addons_module = {}
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addons_manifest = {}
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controllers_class = {}
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controllers_object = {}
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controllers_path = {}
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class ControllerType(type):
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def __init__(cls, name, bases, attrs):
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super(ControllerType, cls).__init__(name, bases, attrs)
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controllers_class["%s.%s" % (cls.__module__, cls.__name__)] = cls
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class Controller(object):
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__metaclass__ = ControllerType
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class Root(object):
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def __init__(self):
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self.addons = {}
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self._load_addons()
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def _load_addons(self):
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if path_addons not in sys.path:
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sys.path.insert(0, path_addons)
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for i in os.listdir(path_addons):
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if i not in sys.modules:
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manifest_path = os.path.join(path_addons, i, '__openerp__.py')
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if os.path.isfile(manifest_path):
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manifest = eval(open(manifest_path).read())
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print "Loading", i
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m = __import__(i)
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addons_module[i] = m
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addons_manifest[i] = manifest
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for k, v in controllers_class.items():
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if k not in controllers_object:
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o = v()
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controllers_object[k] = o
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if hasattr(o, '_cp_path'):
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controllers_path[o._cp_path] = o
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def default(self, *l, **kw):
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#print "default",l,kw
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# handle static files
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if len(l) > 2 and l[1] == 'static':
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# sanitize path
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p = os.path.normpath(os.path.join(*l))
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return cherrypy.lib.static.serve_file(os.path.join(path_addons, p))
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elif len(l) > 1:
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for i in range(len(l), 1, -1):
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ps = "/" + "/".join(l[0:i])
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if ps in controllers_path:
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c = controllers_path[ps]
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rest = l[i:] or ['index']
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meth = rest[0]
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m = getattr(c, meth)
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if getattr(m, 'exposed', 0):
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print "Calling", ps, c, meth, m
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return m(**kw)
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raise cherrypy.NotFound('/' + '/'.join(l))
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else:
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raise cherrypy.HTTPRedirect('/base/static/openerp/base.html', 301)
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default.exposed = True
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def main(argv):
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# Parse config
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op = optparse.OptionParser()
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op.add_option("-p", "--port", dest="socket_port", help="listening port", metavar="NUMBER", default=8002)
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op.add_option("-s", "--session-path", dest="storage_path",
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help="directory used for session storage", metavar="DIR",
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default=os.path.join(tempfile.gettempdir(), "cpsessions"))
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(o, args) = op.parse_args(argv[1:])
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# Prepare cherrypy config from options
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if not os.path.exists(o.storage_path):
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os.mkdir(o.storage_path, 0700)
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config = {
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'server.socket_port': int(o.socket_port),
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'server.socket_host': '0.0.0.0',
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#'server.thread_pool' = 10,
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'tools.sessions.on': True,
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'tools.sessions.storage_type': 'file',
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'tools.sessions.storage_path': o.storage_path,
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'tools.sessions.timeout': 60
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}
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# Setup and run cherrypy
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cherrypy.tree.mount(Root())
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cherrypy.config.update(config)
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cherrypy.server.subscribe()
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cherrypy.engine.start()
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cherrypy.engine.block()
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