def update_defaults(self):
"""
We make sure to store the most important object defaults here, so
we can catch if they change and update them on-objects automatically.
This allows for changing default cmdset locations and default
typeclasses in the settings file and have them auto-update all
already existing objects.
"""
# setting names
settings_names = (
"CMDSET_CHARACTER",
"CMDSET_PLAYER",
"BASE_PLAYER_TYPECLASS",
"BASE_OBJECT_TYPECLASS",
"BASE_CHARACTER_TYPECLASS",
"BASE_ROOM_TYPECLASS",
"BASE_EXIT_TYPECLASS",
"BASE_SCRIPT_TYPECLASS",
"BASE_CHANNEL_TYPECLASS",
)
# get previous and current settings so they can be compared
settings_compare = zip(
[ServerConfig.objects.conf(name) for name in settings_names],
[settings.__getattr__(name) for name in settings_names],
)
mismatches = [i for i, tup in enumerate(settings_compare) if tup[0] and tup[1] and tup[0] != tup[1]]
if len(mismatches): # can't use any() since mismatches may be [0] which reads as False for any()
# we have a changed default. Import relevant objects and
# run the update
from evennia.objects.models import ObjectDB
from evennia.comms.models import ChannelDB
# from evennia.players.models import PlayerDB
for i, prev, curr in ((i, tup[0], tup[1]) for i, tup in enumerate(settings_compare) if i in mismatches):
# update the database
print(
" %s:\n '%s' changed to '%s'. Updating unchanged entries in database ..."
% (settings_names[i], prev, curr)
)
if i == 0:
ObjectDB.objects.filter(db_cmdset_storage__exact=prev).update(db_cmdset_storage=curr)
if i == 1:
PlayerDB.objects.filter(db_cmdset_storage__exact=prev).update(db_cmdset_storage=curr)
if i == 2:
PlayerDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
if i in (3, 4, 5, 6):
ObjectDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
if i == 7:
ScriptDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
if i == 8:
ChannelDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
# store the new default and clean caches
ServerConfig.objects.conf(settings_names[i], curr)
ObjectDB.flush_instance_cache()
PlayerDB.flush_instance_cache()
ScriptDB.flush_instance_cache()
ChannelDB.flush_instance_cache()
# if this is the first start we might not have a "previous"
# setup saved. Store it now.
[ServerConfig.objects.conf(settings_names[i], tup[1]) for i, tup in enumerate(settings_compare) if not tup[0]]
def update_defaults(self):
"""
We make sure to store the most important object defaults here, so
we can catch if they change and update them on-objects automatically.
This allows for changing default cmdset locations and default
typeclasses in the settings file and have them auto-update all
already existing objects.
"""
# setting names
settings_names = ("CMDSET_CHARACTER", "CMDSET_PLAYER",
"BASE_PLAYER_TYPECLASS", "BASE_OBJECT_TYPECLASS",
"BASE_CHARACTER_TYPECLASS", "BASE_ROOM_TYPECLASS",
"BASE_EXIT_TYPECLASS", "BASE_SCRIPT_TYPECLASS",
"BASE_CHANNEL_TYPECLASS")
# get previous and current settings so they can be compared
settings_compare = zip([ServerConfig.objects.conf(name) for name in settings_names],
[settings.__getattr__(name) for name in settings_names])
mismatches = [i for i, tup in enumerate(settings_compare) if tup[0] and tup[1] and tup[0] != tup[1]]
if len(mismatches): # can't use any() since mismatches may be [0] which reads as False for any()
# we have a changed default. Import relevant objects and
# run the update
from evennia.objects.models import ObjectDB
from evennia.comms.models import ChannelDB
#from evennia.players.models import PlayerDB
for i, prev, curr in ((i, tup[0], tup[1]) for i, tup in enumerate(settings_compare) if i in mismatches):
# update the database
print(" %s:\n '%s' changed to '%s'. Updating unchanged entries in database ..." % (settings_names[i], prev, curr))
if i == 0:
ObjectDB.objects.filter(db_cmdset_storage__exact=prev).update(db_cmdset_storage=curr)
if i == 1:
PlayerDB.objects.filter(db_cmdset_storage__exact=prev).update(db_cmdset_storage=curr)
if i == 2:
PlayerDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
if i in (3, 4, 5, 6):
ObjectDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
if i == 7:
ScriptDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
if i == 8:
ChannelDB.objects.filter(db_typeclass_path__exact=prev).update(db_typeclass_path=curr)
# store the new default and clean caches
ServerConfig.objects.conf(settings_names[i], curr)
ObjectDB.flush_instance_cache()
PlayerDB.flush_instance_cache()
ScriptDB.flush_instance_cache()
ChannelDB.flush_instance_cache()
# if this is the first start we might not have a "previous"
# setup saved. Store it now.
[ServerConfig.objects.conf(settings_names[i], tup[1])
for i, tup in enumerate(settings_compare) if not tup[0]]