def _get_on_change_args(self, args):
res = {}
values = common.EvalEnvironment(self, 'on_change')
for arg in args:
scope = values
for i in arg.split('.'):
if i not in scope:
break
scope = scope[i]
else:
res[arg] = scope
return res
def expr_eval(self, expr):
if not isinstance(expr, str):
return expr
ctx = self.get_eval()
ctx['context'] = self.get_context()
ctx['active_model'] = self.model_name
ctx['active_id'] = self.id
if self.parent and self.parent_name:
ctx['_parent_' + self.parent_name] = \
common.EvalEnvironment(self.parent)
val = PYSONDecoder(ctx).decode(expr)
return val
def _get_active(self):
if self.screen and self.screen.current_record:
return common.EvalEnvironment(self.screen.current_record)
