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How to get a new cursor on new api on Thread

environment api 8.0

2 Odpowiedzi

33695 Widoki

Max

Found from here - http://odoo-new-api-guide-line.readthedocs.org/en/latest/conventions.html:

Using Thread

When using thread you have to create you own cursor and initiate a new environment for each thread. committing is done by committing the cursor:

with Environment.manage(): # class function

env = Environment(cr, uid, context)

But how to use it?

We have old api code:

with Environment.manage():

cr = self.pool.cursor()

dialer = self.pool['asterisk.dialer'].browse(cr, uid, ids, context=context)[0]

It works.

Now how to do the same with new api?

with Environment.manage():

dialer = self.env['asterisk.dialer'].browse([dialer_id])

Gives the following error: OperationalError: Unable to use a closed cursor.

Tried this:

def run_dialer(self, dialer_id):

with Environment.manage():

cr, uid, context = self.env.args

env = Environment(cr, uid, context)

dialer = env['asterisk.dialer'].browse([dialer_id])

domain = [('phone', '!=', None)] + [eval(dialer.dialer_domain)[0]]

contacts = env[dialer.dialer_model].search(domain)

The same:

Exception in thread Thread-7:

Traceback (most recent call last):

File "/usr/lib/python2.7/threading.py", line 808, in __bootstrap_inner

self.run()

File "/usr/lib/python2.7/threading.py", line 761, in run

self.__target(*self.__args, **self.__kwargs)

File "/home/max/tmp-work/odoo/odoo.my/openerp/api.py", line 235, in wrapper

return new_api(self, *args, **kwargs)

File "/home/max/tmp-work/odoo/myaddons/asterisk_dialer/models/dialer.py", line 98, in run_dialer

contacts = env[dialer.dialer_model].search(domain)

File "/home/max/tmp-work/odoo/odoo.my/openerp/api.py", line 235, in wrapper

return new_api(self, *args, **kwargs)

File "/home/max/tmp-work/odoo/odoo.my/openerp/api.py", line 464, in new_api

result = method(self._model, cr, uid, *args, **kwargs)

File "/home/max/tmp-work/odoo/odoo.my/openerp/models.py", line 1679, in search

return self._search(cr, user, args, offset=offset, limit=limit, order=order, context=context, count=count)

File "/home/max/tmp-work/odoo/odoo.my/openerp/api.py", line 237, in wrapper

return old_api(self, *args, **kwargs)

File "/home/max/tmp-work/odoo/odoo.my/openerp/addons/base/res/res_partner.py", line 643, in _search

count=count, access_rights_uid=access_rights_uid)

File "/home/max/tmp-work/odoo/odoo.my/openerp/api.py", line 237, in wrapper

return old_api(self, *args, **kwargs)

File "/home/max/tmp-work/odoo/odoo.my/openerp/models.py", line 4543, in _search

res = cr.fetchall()

File "/home/max/tmp-work/odoo/odoo.my/openerp/sql_db.py", line 157, in wrapper

raise psycopg2.OperationalError(msg)

Moisés Augusto López Calderón

Najlepsza odpowiedź

FYI this work for me:

with openerp.api.Environment.manage():
    with openerp.registry(self.env.cr.dbname).cursor() as new_cr:
        # Create a new environment with new cursor database
        new_env = api.Environment(new_cr, self.env.uid, self.env.context)
        # with_env replace original env for this method
        self.with_env(new_env).write({'name': 'hello'})  # isolated transaction to commit
        new_env.cr.commit()  # Don't show a invalid-commit in this case
    # You don't need close your cr because is closed when finish "with"
# You don't need clear caches because is cleared when finish "with"

What does `Environment.manage()` ?

Max

Autor

The following seem to work reliably:

new_cr = sql_db.db_connect(self.env.cr.dbname).cursor()
uid, context = self.env.uid, self.env.context
with api.Environment.manage():
self.env = api.Environment(new_cr, uid, context)

try:
....

finally:
self.env.cr.close()

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