184 lines
6.3 KiB
Python
184 lines
6.3 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 copy
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from sql import Cast, Literal, Null
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from sql.functions import Substring, Position
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from sql.conditionals import Case
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from .function import Function
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from .field import Field, SQL_OPERATORS
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from .numeric import Numeric
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from .integer import Integer
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from .float import Float
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from ...transaction import Transaction
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from ...pool import Pool
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class Property(Function):
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'''
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Define a property field that is stored in ir.property (any).
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'''
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def __init__(self, field):
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'''
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:param field: The field of the function.
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'''
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super(Property, self).__init__(field, True, True, True)
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__init__.__doc__ += Field.__init__.__doc__
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def __copy__(self):
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return Property(copy.copy(self._field))
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def __deepcopy__(self, memo):
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return Property(copy.deepcopy(self._field))
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def get(self, ids, model, name, values=None):
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'''
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Retreive the property.
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:param ids: A list of ids.
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:param model: The model.
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:param name: The name of the field or a list of name field.
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:param values:
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:return: a dictionary with ids as key and values as value
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'''
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with Transaction().set_context(_check_access=False):
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pool = Pool()
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Property = pool.get('ir.property')
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return Property.get(name, model.__name__, ids)
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def set(self, Model, name, ids, value, *args):
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'''
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Set the property.
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'''
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with Transaction().set_context(_check_access=False):
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pool = Pool()
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Property = pool.get('ir.property')
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args = iter((ids, value) + args)
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for ids, value in zip(args, args):
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if value is not None:
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prop_value = '%s,%s' % (getattr(self, 'model_name', ''),
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str(value))
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else:
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prop_value = None
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# TODO change set API to use sequence of records, value
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Property.set(name, Model.__name__, ids, prop_value)
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def convert_domain(self, domain, tables, Model):
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pool = Pool()
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Rule = pool.get('ir.rule')
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Property = pool.get('ir.property')
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IrModel = pool.get('ir.model')
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Field = pool.get('ir.model.field')
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cursor = Transaction().connection.cursor()
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name, operator, value = domain
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sql_type = self._field.sql_type().base
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property_cond = Rule.query_get('ir.property')
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property_ = Property.__table__()
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model_field = Field.__table__()
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model = IrModel.__table__()
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# Fetch res ids that comply with the domain
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join = property_.join(model_field,
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condition=model_field.id == property_.field)
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join = join.join(model,
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condition=model.id == model_field.model)
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cond = ((model.model == Model.__name__)
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& (model_field.name == name))
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if property_cond:
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cond &= property_.id.in_(property_cond)
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cursor.execute(*join.select(
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Cast(Substring(property_.res,
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Position(',', property_.res) + Literal(1)),
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Model.id.sql_type().base),
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property_.id,
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# Use a Case because the condition created by get_condition
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# could result in an invalid Cast
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where=Case(
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(cond, self.get_condition(sql_type, domain, property_)),
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else_=(Literal(1) == Literal(0)))))
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props = cursor.fetchall()
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default = None
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for prop in props:
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if not prop[0]:
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default = prop[1]
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break
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if (not default
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or ((value is False or value is None)
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and operator in ['=', '!='])
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or (operator in ['not like', 'not ilike', 'not in', '!='])):
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dom_operator = 'in' # default operator
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if (((value is False or value is None) and operator == '=')
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or ((value is not False and value is not None)
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and operator in [
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'not like', 'not ilike', 'not in', '!='])):
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dom_operator = 'not in'
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return [('id', dom_operator, [x[0] for x in props])]
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# Fetch the res ids that doesn't use the default value
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cursor.execute(*property_.select(
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Cast(Substring(property_.res,
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Position(',', property_.res) + Literal(1)),
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Model.id.sql_type().base),
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where=property_cond & (property_.res != Null)))
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fetchall = cursor.fetchall()
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if not fetchall:
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return [('id', 'in', [x[0] for x in props])]
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else:
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other_ids = [x[0] for x in fetchall]
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res_ids = Model.search(['OR',
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('id', 'in', [x[0] for x in props]),
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('id', 'not in', other_ids)
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])
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return [('id', 'in', res_ids)]
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@staticmethod
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def get_condition(sql_type, clause, table):
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operator = clause[1]
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value = clause[2]
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sql_types = [
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Numeric('numeric').sql_type().base,
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Integer('integer').sql_type().base,
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Float('float').sql_type().base,
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]
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if sql_type in sql_types and value:
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if isinstance(value, (list, tuple)):
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value = [Cast(v, sql_type) for v in value]
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else:
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value = Cast(value, sql_type)
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if value is None:
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value = False
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column = Cast(Substring(table.value,
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Position(',', table.value) + Literal(1)),
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sql_type)
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Operator = SQL_OPERATORS[operator]
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# All negative clauses will be negated later
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if operator in ('in', 'not in'):
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return column.in_(value)
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elif ((value is False or value is None)
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and operator in ('=', '!=')):
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return column != Null
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elif operator == 'not like':
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return column.like(value)
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elif operator == 'not ilike':
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return column.ilike(value)
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elif operator == '!=':
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return column == value
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return Operator(column, value)
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