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MonitorHandler implemented as a replacement for the OOBHandler monitor functionality, as per #924.

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This commit is contained in:
Griatch 2016-03-05 19:51:09 +01:00
parent 198a348d73
commit 8090d92d85
5 changed files with 506 additions and 408 deletions
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18
evennia/utils/idmapper/models.py
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@ -27,7 +27,7 @@ AUTO_FLUSH_MIN_INTERVAL = 60.0 * 5 # at least 5 mins between cache flushes
_GA = object.__getattribute__
_SA = object.__setattr__
_DA = object.__delattr__
_MONITOR_HANDLER = None
# References to db-updated objects are stored here so the
# main process can be informed to re-cache itself.
@ -361,6 +361,9 @@ class SharedMemoryModel(with_metaclass(SharedMemoryModelBase, Model)):
self._oob_at_<fieldname>_postsave())
"""
global _MONITOR_HANDLER
if not _MONITOR_HANDLER:
from evennia.scripts.monitorhandler import MONITOR_HANDLER as _MONITORHANDLER
if _IS_SUBPROCESS:
# we keep a store of objects modified in subprocesses so
@ -390,15 +393,18 @@ class SharedMemoryModel(with_metaclass(SharedMemoryModelBase, Model)):
update_fields = self._meta.fields
for field in update_fields:
fieldname = field.name
# trigger eventual monitors
_MONITORHANDLER.at_update(self, fieldname)
# if a hook is defined it must be named exactly on this form
hookname = "at_%s_postsave" % fieldname
if hasattr(self, hookname) and callable(_GA(self, hookname)):
_GA(self, hookname)(new)
# if a trackerhandler is set on this object, update it with the
# fieldname and the new value
fieldtracker = "_oob_at_%s_postsave" % fieldname
if hasattr(self, fieldtracker):
_GA(self, fieldtracker)(fieldname)
# # if a trackerhandler is set on this object, update it with the
# # fieldname and the new value
# fieldtracker = "_oob_at_%s_postsave" % fieldname
# if hasattr(self, fieldtracker):
# _GA(self, fieldtracker)(fieldname)
class WeakSharedMemoryModelBase(SharedMemoryModelBase):