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# -*- coding: utf-8 -*-
# © 2016 Therp BV <http://therp.nl>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
from openerp import fields
from openerp.osv import fields as low_level_fields
class ColumnCharTransformed(low_level_fields.char):
def _transform(self, value):
return low_level_fields._symbol_set_char(self, self.transform(value))
def __init__(self, string="unknown", size=None, **args):
super(ColumnCharTransformed, self).__init__(
string=string, size=size, **args
)
if self.transform:
self._symbol_f = self._symbol_set_char = self._transform
self._symbol_set = (self._symbol_c, self._symbol_f)
class FieldCharTransformed(fields.Char):
_slots = {
# a callable receiving a value and returning its result
'transform': None,
}
def convert_to_read(self, value, use_name_get=True):
result = super(FieldCharTransformed, self).convert_to_read(
value, use_name_get=use_name_get)
if self.transform:
return self.transform(result)
return result
def convert_to_write(self, value, target=None, fnames=None):
result = super(FieldCharTransformed, self).convert_to_write(
value, target=target, fnames=fnames)
if self.transform:
return self.transform(result)
return result
def to_column(self):
result = super(FieldCharTransformed, self).to_column()
if result and isinstance(result, low_level_fields.char):
result = ColumnCharTransformed(
transform=self.transform, **result._args)
return result