On Nov 9, 2009, at 8:42 PM, Francesco Meloni wrote: > > > 2009/11/10 Michael Bayer <[email protected]> > > > On Nov 8, 2009, at 5:06 PM, M3nt0r3 wrote: > > > > > Hi , i am sorry for my english, i am trying ti make a Server/Client > > app. Until now client-gtk mapped the db and spoked directly with the > > db ( sqlite and postgresql atm) . I wrote a small wsgi server based > > on werkzeug, and it basically make the same thing of the client-gtk > > but in pure web style. If received a request it render html with > > template engine and response the html-code. > > > > Now with client-gtk i am trying to use something like: > > > > def getRecord(self,id=None): > > """ Restituisce un record ( necessita di un ID )""" > > if id: > > params = {} > > params["dao_class"] = self.DaoModule.__module__ > > params["dao_name"] = self.DaoModule.__name__ > > params["filter"] = id > > params["method"] = "getRecord" > > paramss = urllib.urlencode(params) > > f = urllib.urlopen("http://localhost:8080/gtk";, paramss) > > dati_uncompress = zlib.decompress(f.read()) > > dati= loads(dati_uncompress) > > return dati > > > > It is for get. > > > > Server side this is the function to handler: > > > > def gtk_(req, static=None, SUB=None, subdomain=None): > > values = req.form.to_dict() > > dao_name = values["dao_name"] > > dao_class = values["dao_class"] > > method = values["method"] > > filtri = values["filter"] > > exec "from %s import %s" %(dao_class.replace("promogest", "core"), > > dao_name) > > if method =="select" or method =="getRecord": > > exec "d = %s().%s(filtri=%s)" %(dao_name,method, filtri) > > dumped = dumps(d) > > if method=="nuovo": > > exec "d = %s" %(dao_name) > > dumped = dumps(d) > > compressed = zlib.compress(dumped) > > return Response(compressed) > > > > """ exec create something like: User().getRecord(filter=22) """ > > > > For example for user table: > > > > class User(Dao): > > """ User class provides to make a Users dao"" > > def __init__(self, req=None,arg=None): > > Dao.__init__(self, entity=self) > > > > std_mapper = mapper(User,user, properties={ > > "per_giu" :relation(PersonaGiuridica_, backref='cliente_'), > > }, order_by=user.c.username) > > > > It works until i need to work with a new istance: > > > > i don't know how to have an istance in the client , to build there or > > have it from a response from the server. > > if I understand correctly aren't you looking to pass over just the > components of the User as a string, and have the exec do a "User > (*args)" on the server side ? That would be consistent with your > approach of strings sent from the client being interpreted as model/ > ORM code on the server. > > My problem is client side ATM because i receive an obj from the server not > just a dict or string, this obj is made with a dump server side > and a load client side. > Load need a session and a metadata to work but client side i dont have a db > so no meta and no session and not mapper. I am starting to understand > that client side i can't manage "complete" ORM Object but just a converted > dict of that. It is correct?
you're basically building marshalling. you can use ORM objects on the client side but they wouldn't be associated with any Session - all the data has to come from your server via loads(). --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
