import openerp.netsvc as netsvc
import openerp.tools as tools
from openerp.tools.translate import _
+import json
def _symbol_set(symb):
if symb == None or symb == False:
result[-1]['relation'] = f['relation']
self._relations = result
+
+class sparse(function):
+
+ def convert_value(self, obj, cr, uid, record, value, read_value, context=None):
+ """
+ + For a many2many field, a list of tuples is expected.
+ Here is the list of tuple that are accepted, with the corresponding semantics ::
+
+ (0, 0, { values }) link to a new record that needs to be created with the given values dictionary
+ (1, ID, { values }) update the linked record with id = ID (write *values* on it)
+ (2, ID) remove and delete the linked record with id = ID (calls unlink on ID, that will delete the object completely, and the link to it as well)
+ (3, ID) cut the link to the linked record with id = ID (delete the relationship between the two objects but does not delete the target object itself)
+ (4, ID) link to existing record with id = ID (adds a relationship)
+ (5) unlink all (like using (3,ID) for all linked records)
+ (6, 0, [IDs]) replace the list of linked IDs (like using (5) then (4,ID) for each ID in the list of IDs)
+
+ Example:
+ [(6, 0, [8, 5, 6, 4])] sets the many2many to ids [8, 5, 6, 4]
+
+ + For a one2many field, a lits of tuples is expected.
+ Here is the list of tuple that are accepted, with the corresponding semantics ::
+
+ (0, 0, { values }) link to a new record that needs to be created with the given values dictionary
+ (1, ID, { values }) update the linked record with id = ID (write *values* on it)
+ (2, ID) remove and delete the linked record with id = ID (calls unlink on ID, that will delete the object completely, and the link to it as well)
+
+ Example:
+ [(0, 0, {'field_name':field_value_record1, ...}), (0, 0, {'field_name':field_value_record2, ...})]
+ """
+
+ if self._type == 'many2many':
+ assert value[0][0] == 6, 'Unsupported m2m value for sparse field: %s' % value
+ return value[0][2]
+
+ elif self._type == 'one2many':
+ if not read_value:
+ read_value = []
+ relation_obj = obj.pool.get(self.relation)
+ for vals in value:
+ assert vals[0] in (0,1,2), 'Unsupported o2m value for sparse field: %s' % vals
+ if vals[0] == 0:
+ read_value.append(relation_obj.create(cr, uid, vals[2], context=context))
+ elif vals[0] == 1:
+ relation_obj.write(cr, uid, vals[1], vals[2], context=context)
+ elif vals[0] == 2:
+ relation_obj.unlink(cr, uid, vals[1], context=context)
+ read_value.remove(vals[1])
+ return read_value
+ return value
+
+
+ def _fnct_write(self,obj,cr, uid, ids, field_name, value, args, context=None):
+ if not type(ids) == list:
+ ids = [ids]
+ records = obj.browse(cr, uid, ids, context=context)
+ for record in records:
+ # grab serialized value as object - already deserialized
+ serialized = getattr(record, self.serialization_field)
+ if value is None:
+ # simply delete the key to unset it.
+ serialized.pop(field_name, None)
+ else:
+ serialized[field_name] = self.convert_value(obj, cr, uid, record, value, serialized.get(field_name), context=context)
+ obj.write(cr, uid, ids, {self.serialization_field: serialized}, context=context)
+ return True
+
+ def _fnct_read(self, obj, cr, uid, ids, field_names, args, context=None):
+ results = {}
+ records = obj.browse(cr, uid, ids, context=context)
+ for record in records:
+ # grab serialized value as object - already deserialized
+ serialized = getattr(record, self.serialization_field)
+ results[record.id] = {}
+ for field_name in field_names:
+ if obj._columns[field_name]._type in ['one2many']:
+ value = serialized.get(field_name, [])
+ else:
+ results[record.id].update(field_name=value)
+ return results
+
+ def __init__(self, serialization_field, **kwargs):
+ self.serialization_field = serialization_field
+ return super(sparse, self).__init__(self._fnct_read, fnct_inv=self._fnct_write, multi='__sparse_multi', method=True, **kwargs)
+
+
+
+
+
# ---------------------------------------------------------
# Dummy fields
# ---------------------------------------------------------
# ---------------------------------------------------------
# Serialized fields
# ---------------------------------------------------------
+
class serialized(_column):
- def __init__(self, string='unknown', serialize_func=repr, deserialize_func=eval, type='text', **args):
- self._serialize_func = serialize_func
- self._deserialize_func = deserialize_func
- self._type = type
- self._symbol_set = (self._symbol_c, self._serialize_func)
- self._symbol_get = self._deserialize_func
- super(serialized, self).__init__(string=string, **args)
+ """ A field able to store an arbitrary python data structure.
+
+ Note: only plain components allowed.
+ """
+
+ def _symbol_set_struct(val):
+ return json.dumps(val)
+
+ def _symbol_get_struct(self, val):
+ return json.loads(val or '{}')
+
+ _prefetch = False
+ _type = 'serialized'
+
+ _symbol_c = '%s'
+ _symbol_f = _symbol_set_struct
+ _symbol_set = (_symbol_c, _symbol_f)
+ _symbol_get = _symbol_get_struct
# TODO: review completly this class for speed improvement
class property(function):
projects / odoo / odoo.git / blobdiff