55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
#This file is part of Tryton. The COPYRIGHT file at the top level of
|
|
#this repository contains the full copyright notices and license terms.
|
|
|
|
from trytond.model.fields.field import Field
|
|
from trytond.transaction import Transaction
|
|
|
|
|
|
class Binary(Field):
|
|
'''
|
|
Define a binary field (``str``).
|
|
'''
|
|
_type = 'binary'
|
|
|
|
def __init__(self, string='', help='', required=False, readonly=False,
|
|
domain=None, states=None, select=False, on_change=None,
|
|
on_change_with=None, depends=None, filename=None, order_field=None,
|
|
context=None, loading='lazy'):
|
|
if filename is not None:
|
|
self.filename = filename
|
|
if depends is None:
|
|
depends = [filename]
|
|
else:
|
|
depends.append(filename)
|
|
super(Binary, self).__init__(string=string, help=help,
|
|
required=required, readonly=readonly, domain=domain, states=states,
|
|
select=select, on_change=on_change, on_change_with=on_change_with,
|
|
depends=depends, order_field=order_field, context=context,
|
|
loading=loading)
|
|
|
|
@staticmethod
|
|
def get(ids, model, name, values=None):
|
|
'''
|
|
Convert the binary value into ``str``
|
|
|
|
:param ids: a list of ids
|
|
:param model: a string with the name of the model
|
|
:param name: a string with the name of the field
|
|
:param values: a dictionary with the read values
|
|
:return: a dictionary with ids as key and values as value
|
|
'''
|
|
if values is None:
|
|
values = {}
|
|
res = {}
|
|
converter = buffer
|
|
default = False
|
|
format_ = Transaction().context.pop('%s.%s' % (model, name), '')
|
|
if format_ == 'size':
|
|
converter = len
|
|
default = 0
|
|
for i in values:
|
|
res[i['id']] = converter(i[name]) if i[name] else default
|
|
for i in ids:
|
|
res.setdefault(i, default)
|
|
return res
|