Files
tryton/trytond/model/fields/char.py
T
Cédric Krier fc6c6cfdda Migration to python-sql
* Use python-sql
* Add convert_domain method on Fields
* Add sql_format and sql_type methods on Fields
* Allow to return a full domain for Function.searcher
* Replace static backend by dynamic get method
* Replace order_field by order_<field name> method

review1001002
2013-09-06 22:32:37 +02:00

77 lines
2.5 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 sql import Query, Expression
from ...config import CONFIG
from .field import Field, FieldTranslate, size_validate, SQLType
def autocomplete_validate(value):
if value:
assert isinstance(value, list), 'autocomplete must be a list'
class Char(FieldTranslate):
'''
Define a char field (``unicode``).
'''
_type = 'char'
def __init__(self, string='', size=None, help='', required=False,
readonly=False, domain=None, states=None, translate=False,
select=False, on_change=None, on_change_with=None, depends=None,
context=None, loading=None, autocomplete=None):
'''
:param translate: A boolean. If ``True`` the field is translatable.
:param size: A integer. If set defines the maximum size of the values.
'''
if loading is None:
loading = 'lazy' if translate else 'eager'
super(Char, 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, context=context, loading=loading)
self.__autocomplete = None
self.autocomplete = autocomplete if autocomplete else None
self.translate = translate
self.__size = None
self.size = size
__init__.__doc__ += Field.__init__.__doc__
def _get_autocomplete(self):
return self.__autocomplete
def _set_autocomplete(self, value):
autocomplete_validate(value)
self.__autocomplete = value
autocomplete = property(_get_autocomplete, _set_autocomplete)
def _get_size(self):
return self.__size
def _set_size(self, value):
size_validate(value)
self.__size = value
size = property(_get_size, _set_size)
@staticmethod
def sql_format(value):
if isinstance(value, (Query, Expression)):
return value
if value is None:
return None
elif isinstance(value, str):
return unicode(value, 'utf-8')
assert isinstance(value, unicode)
return value
def sql_type(self):
db_type = CONFIG['db_type']
if self.size and db_type != 'sqlite':
return SQLType('VARCHAR', 'VARCHAR(%s)' % self.size)
elif db_type == 'mysql':
return SQLType('CHAR', 'VARCHAR(255)')
return SQLType('VARCHAR', 'VARCHAR')