Fixed cache and metaclass irregularities as well as the location and contents caches.

This commit is contained in:
Griatch 2013-09-22 21:48:08 +02:00
parent 0a394929b7
commit 642ae2faf9
4 changed files with 38 additions and 45 deletions

View file

@ -214,7 +214,6 @@ def format_script_list(scripts):
table.align = 'r' table.align = 'r'
for script in scripts: for script in scripts:
nextrep = script.time_until_next_repeat() nextrep = script.time_until_next_repeat()
print "@script:", script.key, type(script.key)
table.add_row([script.id, table.add_row([script.id,
script.obj.key if (hasattr(script, 'obj') and script.obj) else "<Global>", script.obj.key if (hasattr(script, 'obj') and script.obj) else "<Global>",
script.key, script.key,

View file

@ -146,7 +146,7 @@ class ObjectDB(TypedObject):
_SA(self, "aliases", AliasHandler(self)) _SA(self, "aliases", AliasHandler(self))
_SA(self, "nicks", NickHandler(self)) _SA(self, "nicks", NickHandler(self))
# make sure to sync the contents cache when initializing # make sure to sync the contents cache when initializing
self.contents_update() _GA(self, "contents_update")()
# Wrapper properties to easily set database fields. These are # Wrapper properties to easily set database fields. These are
# @property decorators that allows to access these fields using # @property decorators that allows to access these fields using
@ -214,17 +214,9 @@ class ObjectDB(TypedObject):
def _at_db_location_save(self, new_value, old_value=None): def _at_db_location_save(self, new_value, old_value=None):
"This is called automatically just before a new location is saved." "This is called automatically just before a new location is saved."
#print "db_location_handler:", loc, old_value
loc = new_value loc = new_value
try: try:
old_loc = old_value old_loc = old_value
# new_value can be dbref, typeclass or dbmodel
if ObjectDB.objects.dbref(loc, reqhash=False):
loc = ObjectDB.objects.dbref_search(loc)
if loc and type(loc) != ObjectDB:
# this should not fail if new_value is valid.
loc = _GA(loc, "dbobj")
# recursive location check # recursive location check
def is_loc_loop(loc, depth=0): def is_loc_loop(loc, depth=0):
"Recursively traverse the target location to make sure we are not in it." "Recursively traverse the target location to make sure we are not in it."
@ -239,9 +231,9 @@ class ObjectDB(TypedObject):
#print "db_location_handler2:", _GA(loc, "db_key") if loc else loc, type(loc) #print "db_location_handler2:", _GA(loc, "db_key") if loc else loc, type(loc)
# update the contents of each location # update the contents of each location
if old_loc: if old_loc:
_GA(_GA(old_loc, "dbobj"), "contents_update")(self, remove=True) _GA(_GA(old_loc, "dbobj"), "contents_remove")(self)
if loc: if loc:
_GA(loc, "contents_update")(self) _GA(loc, "contents_add")(self)
return loc return loc
except RuntimeError: except RuntimeError:
string = "Cannot set location, " string = "Cannot set location, "
@ -463,32 +455,35 @@ class ObjectDB(TypedObject):
exclude is one or more objects to not return exclude is one or more objects to not return
""" """
cont = get_prop_cache(self, "_contents") contents = get_prop_cache(self, "_contents")
exclude = make_iter(exclude) exclude = make_iter(exclude)
if cont == None: if contents == None:
cont = _GA(self, "contents_update")() contents = _GA(self, "contents_update")()
return [obj for obj in cont.values() if obj not in exclude] return [obj.typeclass for obj in contents.values() if obj not in exclude]
contents = property(contents_get) contents = property(contents_get)
def contents_update(self, obj=None, remove=False): # manage the content cache
""" def contents_add(self, obj):
Updates the contents property of the object "Add a new object to the internal content cache"
contents = get_prop_cache(self, "_contents")
add - object to add to content list if contents == None:
remove object to remove from content list contents={obj.dbid:obj}
"""
cont = get_prop_cache(self, "_contents")
if not cont:
cont = {}
if obj:
if remove:
cont.pop(self.dbid, None)
else:
cont[self.dbid] = obj
else: else:
cont = dict((o.dbid, o) for o in ObjectDB.objects.get_contents(self)) contents[obj.dbid] = obj
set_prop_cache(self, "_contents", cont) set_prop_cache(self, "_contents", contents)
return cont def contents_remove(self, obj):
"Remove object from internal content cache"
contents = get_prop_cache(self, "_contents")
if contents == None:
contents = {}
else:
contents.pop(obj.dbid, None)
set_prop_cache(self, "_contents", contents)
def contents_update(self):
"Re-sync the contents cache"
contents = dict((o.dbid, o) for o in ObjectDB.objects.get_contents(self))
set_prop_cache(self, "_contents", contents)
return contents
#@property #@property
def __exits_get(self): def __exits_get(self):

View file

@ -95,7 +95,6 @@ def field_pre_save(sender, instance=None, update_fields=None, raw=False, **kwarg
""" """
if raw: if raw:
return return
#print "field_pre_save:", instance, update_fields# if hasattr(instance, "db_key") else instance, update_fields
if update_fields: if update_fields:
# this is a list of strings at this point. We want field objects # this is a list of strings at this point. We want field objects
update_fields = (_GA(_GA(instance, "_meta"), "get_field_by_name")(field)[0] for field in update_fields) update_fields = (_GA(_GA(instance, "_meta"), "get_field_by_name")(field)[0] for field in update_fields)
@ -104,12 +103,10 @@ def field_pre_save(sender, instance=None, update_fields=None, raw=False, **kwarg
update_fields = _GA(_GA(instance, "_meta"), "fields") update_fields = _GA(_GA(instance, "_meta"), "fields")
for field in update_fields: for field in update_fields:
fieldname = field.name fieldname = field.name
new_value = field.value_from_object(instance) new_value = _GA(instance, fieldname)#field.value_from_object(instance)
# try to see if there is a handler on object that should be triggered when saving. # try to see if there is a handler on object that should be triggered when saving.
handlername = "_at_%s_save" % fieldname handlername = "_at_%s_save" % fieldname
handler = _GA(instance, handlername) if handlername in _GA(instance, '__dict__') else None handler = _GA(instance, handlername) if handlername in _GA(sender, '__dict__') else None
#if handlername == "_at_db_location_save":
# print "handler:", handlername, handler, _GA(sender, '__dict__').keys()
if callable(handler): if callable(handler):
#hid = hashid(instance, "-%s" % fieldname) #hid = hashid(instance, "-%s" % fieldname)
try: try:

View file

@ -85,19 +85,20 @@ class SharedMemoryModelBase(ModelBase):
"Helper method to create property wrappers with unique names (must be in separate call)" "Helper method to create property wrappers with unique names (must be in separate call)"
def _get(cls, fname): def _get(cls, fname):
"Wrapper for getting database field" "Wrapper for getting database field"
return _GA(cls, fieldname)
def _get_foreign(cls, fname):
"Wrapper for returing foreignkey fields"
value = _GA(cls, fieldname) value = _GA(cls, fieldname)
if isinstance(value, (basestring, int, float, bool)): #print "_get_foreign:value:", value
return value try:
elif hasattr(value, "typeclass"):
if fieldname == "db_key": print "idmapper _get typeclass:, ", cls.__class__.__name__, fieldname, _GA(value, "typeclass")
return _GA(value, "typeclass") return _GA(value, "typeclass")
return value except:
return value
def _set_nonedit(cls, fname, value): def _set_nonedit(cls, fname, value):
"Wrapper for blocking editing of field" "Wrapper for blocking editing of field"
raise FieldError("Field %s cannot be edited." % fname) raise FieldError("Field %s cannot be edited." % fname)
def _set(cls, fname, value): def _set(cls, fname, value):
"Wrapper for setting database field" "Wrapper for setting database field"
if fname=="db_key": print "db_key _set:", value, type(value)
_SA(cls, fname, value) _SA(cls, fname, value)
# only use explicit update_fields in save if we actually have a # only use explicit update_fields in save if we actually have a
# primary key assigned already (won't be set when first creating object) # primary key assigned already (won't be set when first creating object)
@ -142,6 +143,7 @@ class SharedMemoryModelBase(ModelBase):
if not editable: if not editable:
fset = lambda cls, val: _set_nonedit(cls, fieldname, val) fset = lambda cls, val: _set_nonedit(cls, fieldname, val)
elif foreignkey: elif foreignkey:
fget = lambda cls: _get_foreign(cls, fieldname)
fset = lambda cls, val: _set_foreign(cls, fieldname, val) fset = lambda cls, val: _set_foreign(cls, fieldname, val)
else: else:
fset = lambda cls, val: _set(cls, fieldname, val) fset = lambda cls, val: _set(cls, fieldname, val)