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I had heard somewhere that one of the features planned for the orm in v8 was that you wouldn't need to pass cursor and user id with every call to a model's method, i.e:

self.pool.get('some.model').browse(cr, uid, id_list)  # Old way

self.pool.get('some.model').browse(id_list)  # New way.

Assuming that this is still going to be implemented (maybe it has been already?) I would like to make sure it works in all contexts. Specifically, I am making custom http-endpoints as part of a module. At least in the v7 way of doing things, I find models from request.registry instead of self.pool. If I call model methods in this way:

request.registry.get('some.model').browse(id_list)

will it work?

I am currently developing on a pull from the master branch of Odoo from 2014-08-05, and calling browse() with just a list of id's throws a TypeError (expects at least 3 arguments). Can I expect the new way to work in future (or am I maybe doing it wrong)?

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I don't have enough Karma to comment Dhinesh's post so I'll put this here for now: If I try to use Env I get a NameError (global name 'Env' is not defined). Where can I import it from?

All new v8 features are in [from openerp import api] or for environment use [from openerp.api import Environment] You can use it from self itself like cr, uid, context = self.env.args. For more info check addons/account/partner.py -> @api.v8 def map_tax(self, taxes):

작성자

Thank you very much: helpful and very fast.

베스트 답변

Yes, the traditional way has been modified in V8 with new api.
 

For instance, the statements::

        model = self.pool.get(MODEL)
        ids = model.search(cr, uid, DOMAIN, context=context)
        for rec in model.browse(cr, uid, ids, context=context):
            print rec.name
        model.write(cr, uid, ids, VALUES, context=context)

    may also be written as::

        env = Env(cr, uid, context)         # cr, uid, context wrapped in env
        recs = env[MODEL]                   # retrieve an instance of MODEL
        recs = recs.search(DOMAIN)          # search returns a recordset
        for rec in recs:                    # iterate over the records
            print rec.name
        recs.write(VALUES)                  # update all records in recs

    Methods written in the "traditional" style are automatically decorated,
    following some heuristics based on parameter names.

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Good and clear answer!

Thanks @ Dhinesh Your answer help full me. +1

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