fixed bugs from syntax migration

- a new wrapper for a read function is not only to be created when
  the a new read function is in the class dict, but also when
  it inherited, but not yet wrapped
- a proxy class must not call checkProperties
This commit is contained in:
l_samenv 2021-03-03 14:35:21 +01:00 committed by Markus Zolliker
parent 04692bd1aa
commit 1760881f56
2 changed files with 9 additions and 5 deletions

View File

@ -89,16 +89,17 @@ class HasAccessibles(HasProperties):
if isinstance(pobj, Command):
# nothing to do for now
continue
rfunc = cls.__dict__.get('read_' + pname, None)
rfunc = getattr(cls, 'read_' + pname, None)
rfunc_handler = pobj.handler.get_read_func(cls, pname) if pobj.handler else None
not_wrapped = getattr(rfunc, '__wrapped__', False) is False
if rfunc_handler:
if rfunc:
if rfunc and not_wrapped:
raise ProgrammingError("parameter '%s' can not have a handler "
"and read_%s" % (pname, pname))
rfunc = rfunc_handler
# create wrapper except when read function is already wrapped
if rfunc is None or getattr(rfunc, '__wrapped__', False) is False:
if rfunc is None or not_wrapped:
def wrapped_rfunc(self, pname=pname, rfunc=rfunc):
if rfunc:
@ -126,11 +127,12 @@ class HasAccessibles(HasProperties):
if not pobj.readonly:
wfunc = getattr(cls, 'write_' + pname, None)
if wfunc is None: # ignore the handler, if a write function is present
not_wrapped = getattr(wfunc, '__wrapped__', False) is False
if wfunc is None or not_wrapped: # ignore the handler, if a write function is present
wfunc = pobj.handler.get_write_func(pname) if pobj.handler else None
# create wrapper except when write function is already wrapped
if wfunc is None or getattr(wfunc, '__wrapped__', False) is False:
if wfunc is None or not_wrapped:
def wrapped_wfunc(self, value, pname=pname, wfunc=wfunc):
self.log.debug("check validity of %s = %r" % (pname, value))

View File

@ -122,6 +122,8 @@ class ProxyModule(HasIodev, Module):
self.announceUpdate(pname, None, readerror)
self.announceUpdate('status', newstatus)
def checkProperties(self):
pass # skip
class ProxyReadable(ProxyModule, Readable):
pass