How to get key value list from selection fields in Odoo 10

Question

I have a selection field, and I want to fetch list of all keys and values using ORM method. How can I achieve it.

_name = "calling_devices"
device_type = fields.Selection([('desk','Desk'),('mobile','Mobile'),('home','Home'),('others','Others')])

Desired Output using ORM methods or alternate way:
Key_Value_pair = {'desk': 'Desk', ' mobile ' : ' Mobile ', ' home ': ' Home ', ' others ': ' Others '}
How can we achieve it?

dexciss, Pankaj Dhedhi · Accepted Answer

you can use this.
dict(self._fields['your_field'].selection).get(self.your_field)

Mayank Gosai · Answer

Hi Parag,
*You can get your selection by:*
self._fields['your_selection_field'].selection
*In your case:*
var = self._fields['device_type'].selection
*output*: [('desk','Desk'),('mobile','Mobile'),('home','Home'),('others','Others')]
Then convert this into *Dictionary*.
dict(var)
*Final Output:* {'desk': 'Desk', ' mobile ' : ' Mobile ', ' home ': ' Home ', ' others ': ' Others '}

Hope it helps!
Regards,
Mayank Gosai

tuyenvn · Answer

have followed Mayank Gosai's instructions, this is a good way.
var = self._fields ['device_type']. selection
dict_var = dict (var)
And now I can know the current value of the device_type field of the current record
record_device_type = dict_var [self.att_type_dwg]
such as if  self.device_type = 'home'  then  record_device_type = 'Home' .
:)
Thanks  Mayank Gosai

Cyril Gaspard (GEM) · Answer

from odoo import api, models, _

def get_selection_label(self, object, field_name, field_value):
return _(dict(self.env[object].fields_get(allfields=[field_name])[field_name]['selection'])[field_value])

class ResPartner(models.Model):
_inherit = 'res.partner'
def my_method(self):
state_value_translated = get_selection_label(self, 'res.partner', 'state', self.state)

Nebil Aydi · Answer

def  _get_key_value_list ( self ):         Key_Value_pair={}          for elmt in  self .device_type:               Key_Value_pair.update({elmt[ 0 ]: elmt[ 1 ]})          return Key_Value_pair

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