def get_beid_diffs(obj, attrs):
"""Return two lists, one with the objects to save, and another with
text lines to build a confirmation message explaining which
changes are going to be applied after confirmation.
The default implemantion is for the simple case where the
holder is also a contacts.AddressLocation and the address is
within the same database row.
"""
raise Exception("not tested")
diffs = []
objects = []
# model = holder_model()
model = obj.__class__ # the holder
for fldname, new in attrs.items():
fld = get_field(model, fldname)
old = getattr(obj, fldname)
if old != new:
diffs.append(
"%s : %s -> %s" % (
unicode(fld.verbose_name), dd.obj2str(old),
dd.obj2str(new)))
setattr(obj, fld.name, new)
return objects, diffs
def process_row(self,ar,obj,attrs):
oldobj = obj
watcher = dd.ChangeWatcher(obj)
diffs = []
for fldname,new in attrs.items():
fld = get_field(self.client_model,fldname)
old = getattr(obj,fldname)
if old != new:
diffs.append("%s : %s -> %s" % (unicode(fld.verbose_name),dd.obj2str(old),dd.obj2str(new)))
setattr(obj,fld.name,new)
if len(diffs) == 0:
#~ return self.no_diffs_response(ar,obj)
return self.goto_client_response(ar,obj,_("Client %s is up-to-date") % unicode(obj))
msg = unicode(_("Click OK to apply the following changes for %s") % obj)
msg += ' :<br/>'
msg += '\n<br/>'.join(diffs)
def yes(ar):
obj.full_clean()
obj.save()
watcher.send_update(ar.request)
#~ return self.saved_diffs_response(ar,obj)
return self.goto_client_response(ar,obj,_("%s has been saved.") % dd.obj2unicode(obj))
def no(ar):
return self.goto_client_response(ar,oldobj)
#~ print 20131108, msg
cb = ar.add_callback(msg)
cb.add_choice('yes',yes,_("Yes"))
cb.add_choice('no',no,_("No"))
ar.set_callback(cb)
def unused_save(self, *args, **kw):
# see blog/2012/0929
if not isinstance(self.owner, Postable):
# raise Exception("Controller of a Posting must be a Postable.")
raise ValidationError("Controller %s (%r,%r) is not a Postable" % (
dd.obj2str(self.owner), self.owner_type, self.owner_id))
#~ raise ValidationError("Controller %s is not a Postable" % dd.obj2str(self.owner))
super(Posting, self).save(*args, **kw)
def on_create(sender=None,request=None,**kw):
"""
To be called when a new instance has actually been created and saved.
"""
master = get_master(sender)
if master is None:
return
log_change(ChangeTypes.create,request,master,sender,dd.obj2str(sender,True))
def on_delete(sender=None,request=None,**kw):
"""
Calls :func:`log_change` with `ChangeTypes.delete`.
Note that you must call this before actually deleting the object,
otherwise mysql (not sqlite) says
ERROR: (1048, "Column 'object_id' cannot be null")
"""
master = get_master(sender)
if master is None:
return
log_change(ChangeTypes.delete,request,master,sender,dd.obj2str(sender,True))
def on_update(sender=None, request=None, **kw):
# Note that sender is a Watcher instance
master = get_master(sender.watched)
if master is None:
# No master, nothing to log
return
cs = sender.watched.change_watcher_spec
changes = []
for k, old in sender.original_state.iteritems():
if not k in cs.ignored_fields:
new = sender.watched.__dict__.get(k, dd.NOT_PROVIDED)
if old != new:
changes.append("%s : %s --> %s" %
(k, dd.obj2str(old), dd.obj2str(new)))
if len(changes) == 0:
msg = '(no changes)'
elif len(changes) == 1:
msg = changes[0]
else:
msg = '- ' + ('\n- '.join(changes))
log_change(ChangeTypes.update, request, master, sender.watched, msg)
def place2objects(country, place, parent=None):
t = cd2type(place)
if t is None:
logger.info("20140612 ignoring place %s", place)
return
obj = countries.Place(
country=country, type=t, name=place.name,
parent=parent,
zip_code=place.zip_code)
# We must save the parent before we can generate children.
try:
obj.full_clean()
except Exception as e:
raise Exception("Could not save %s : %r" % (
dd.obj2str(obj), e))
obj.save()
yield obj
for cp in place.children:
yield place2objects(country, cp, obj)