88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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import warnings
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from trytond.transaction import Transaction
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from .field import Field, FieldTranslate, size_validate
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from ...rpc import RPC
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class Char(FieldTranslate):
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'''
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Define a char field (``unicode``).
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'''
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_type = 'char'
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def __init__(self, string='', size=None, help='', required=False,
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readonly=False, domain=None, states=None, translate=False,
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select=False, on_change=None, on_change_with=None, depends=None,
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context=None, loading=None, autocomplete=None):
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'''
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:param translate: A boolean. If ``True`` the field is translatable.
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:param size: A integer. If set defines the maximum size of the values.
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'''
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if loading is None:
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loading = 'lazy' if translate else 'eager'
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super(Char, self).__init__(string=string, help=help, required=required,
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readonly=readonly, domain=domain, states=states, select=select,
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on_change=on_change, on_change_with=on_change_with,
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depends=depends, context=context, loading=loading)
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self.autocomplete = set()
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if autocomplete:
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warnings.warn('autocomplete argument is deprecated, use the '
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'depends decorator', DeprecationWarning, stacklevel=2)
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self.autocomplete |= set(autocomplete)
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self.translate = translate
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self.__size = None
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self.size = size
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self.search_unaccented = True
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__init__.__doc__ += Field.__init__.__doc__
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def _get_size(self):
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return self.__size
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def _set_size(self, value):
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size_validate(value)
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self.__size = value
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size = property(_get_size, _set_size)
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def sql_format(self, value):
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if value is None:
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return None
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assert isinstance(value, str)
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return value
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@property
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def _sql_type(self):
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return 'VARCHAR(%s)' % self.size if self.size else 'VARCHAR'
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def set_rpc(self, model):
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super(Char, self).set_rpc(model)
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if self.autocomplete:
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func_name = 'autocomplete_%s' % self.name
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assert hasattr(model, func_name), \
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'Missing %s on model %s' % (func_name, model.__name__)
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model.__rpc__.setdefault(func_name, RPC(instantiate=0))
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def _domain_column(self, operator, column):
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column = super(Char, self)._domain_column(operator, column)
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if self.search_unaccented and operator.endswith('ilike'):
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database = Transaction().database
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column = database.unaccent(column)
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return column
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def _domain_value(self, operator, value):
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value = super(Char, self)._domain_value(operator, value)
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if self.search_unaccented and operator.endswith('ilike'):
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database = Transaction().database
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value = database.unaccent(value)
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return value
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def definition(self, model, language):
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definition = super().definition(model, language)
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definition['autocomplete'] = list(self.autocomplete)
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if self.size is not None:
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definition['size'] = self.size
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return definition
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