odoo/openerpweb/openerpweb.py

302 lines
9.8 KiB
Python

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