def unset_value(self, instance, key):
self.filter(**{self.field_name: instance, 'key': key}).delete()
if instance.pk not in self.__metadata:
cache.delete(self._make_key(instance))
return
self.__metadata[instance.pk].pop(key, None)
cache.set(self._make_key(instance), self.__metadata[instance.pk])
def __post_save(self, instance, **kwargs):
"""
Pushes changes to an instance into the cache, and removes invalid (changed)
lookup values.
"""
pk_name = instance._meta.pk.name
pk_names = ("pk", pk_name)
pk_val = instance.pk
for key in self.cache_fields:
if key in pk_names:
continue
# store pointers
cache.set(self.__get_lookup_cache_key(**{key: getattr(instance, key)}), pk_val, self.cache_ttl) # 1 hour
# Ensure we dont serialize the database into the cache
db = instance._state.db
instance._state.db = None
# store actual object
cache.set(self.__get_lookup_cache_key(**{pk_name: pk_val}), instance, self.cache_ttl)
instance._state.db = db
# Kill off any keys which are no longer valid
if instance in self.__cache:
for key in self.cache_fields:
if key not in self.__cache[instance]:
continue
value = self.__cache[instance][key]
if value != getattr(instance, key):
cache.delete(self.__get_lookup_cache_key(**{key: value}))
self.__cache_state(instance)
def __post_delete(self, instance, **kwargs):
"""
Drops instance from all cache storages.
"""
pk_name = instance._meta.pk.name
for key in self.cache_fields:
if key in ("pk", pk_name):
continue
# remove pointers
cache.delete(self.__get_lookup_cache_key(**{key: getattr(instance, key)}))
# remove actual object
cache.delete(self.__get_lookup_cache_key(**{pk_name: instance.pk}))
def __post_delete(self, instance, **kwargs):
"""
Drops instance from all cache storages.
"""
pk_name = instance._meta.pk.name
for key in self.cache_fields:
if key in ("pk", pk_name):
continue
# remove pointers
value = self.__value_for_field(instance, key)
cache.delete(key=self.__get_lookup_cache_key(**{key: value}), version=self.cache_version)
# remove actual object
cache.delete(key=self.__get_lookup_cache_key(**{pk_name: instance.pk}), version=self.cache_version)
def __post_save(self, instance, **kwargs):
"""
Pushes changes to an instance into the cache, and removes invalid (changed)
lookup values.
"""
pk_name = instance._meta.pk.name
pk_names = ('pk', pk_name)
pk_val = instance.pk
for key in self.cache_fields:
if key in pk_names:
continue
# store pointers
value = self.__value_for_field(instance, key)
cache.set(
key=self.__get_lookup_cache_key(**{key: value}),
value=pk_val,
timeout=self.cache_ttl,
version=self.cache_version,
)
# Ensure we don't serialize the database into the cache
db = instance._state.db
instance._state.db = None
# store actual object
try:
cache.set(
key=self.__get_lookup_cache_key(**{pk_name: pk_val}),
value=instance,
timeout=self.cache_ttl,
version=self.cache_version,
)
except Exception as e:
logger.error(e, exc_info=True)
instance._state.db = db
# Kill off any keys which are no longer valid
if instance in self.__cache:
for key in self.cache_fields:
if key not in self.__cache[instance]:
continue
value = self.__cache[instance][key]
current_value = self.__value_for_field(instance, key)
if value != current_value:
cache.delete(
key=self.__get_lookup_cache_key(**{key: value}),
version=self.cache_version,
)
self.__cache_state(instance)
def set_value(self, instance, key, value):
inst, created = self.get_or_create(**{
self.field_name: instance,
'key': key,
'defaults': {
'value': value,
}
})
if not created and inst.value != value:
inst.update(value=value)
if instance.pk not in self.__metadata:
cache.delete(self._make_key(instance))
return
self.__metadata[instance.pk][key] = value
cache.set(self._make_key(instance), self.__metadata[instance.pk])
def uncache_object(self, instance_id):
pk_name = self.model._meta.pk.name
cache_key = self.__get_lookup_cache_key(**{pk_name: instance_id})
cache.delete(cache_key, version=self.cache_version)
def _get_cache_key(self, group_id, environment_id):
return 'groupenv:1:{}:{}'.format(group_id, environment_id)
@classmethod
def get_or_create(cls, group_id, environment_id, defaults=None):
cache_key = cls._get_cache_key(group_id, environment_id)
instance = cache.get(cache_key)
if instance is None:
instance, created = cls.objects.get_or_create(
group_id=group_id,
environment_id=environment_id,
defaults=defaults,
)
cache.set(cache_key, instance, 3600)
else:
created = False
return instance, created
post_delete.connect(
lambda instance, **kwargs: cache.delete(
GroupEnvironment._get_cache_key(
instance.group_id,
instance.environment_id,
),
),
sender=GroupEnvironment,
weak=False,
)
def save(self, *args, **kwargs):
rv = super(Rule, self).save(*args, **kwargs)
cache_key = 'project:{}:rules'.format(self.project_id)
cache.delete(cache_key)
return rv
def save(self, *args, **kwargs):
rv = super(Rule, self).save(*args, **kwargs)
cache_key = 'project:{}:rules'.format(self.project_id)
cache.delete(cache_key)
return rv
def uncache_object(self, instance_id):
pk_name = self.model._meta.pk.name
cache_key = self.__get_lookup_cache_key(**{pk_name: instance_id})
cache.delete(cache_key, version=self.cache_version)
def tearDown(self):
cache.delete(ProjectOwnership.get_cache_key(self.project.id))
super().tearDown()
def save(self, *args, **kwargs):
rv = super().save(*args, **kwargs)
cache_key = f"project:{self.project_id}:rules"
cache.delete(cache_key)
return rv
__repr__ = sane_repr("group_id", "environment_id")
@classmethod
def _get_cache_key(self, group_id, environment_id):
return "groupenv:1:{}:{}".format(group_id, environment_id)
@classmethod
def get_or_create(cls, group_id, environment_id, defaults=None):
cache_key = cls._get_cache_key(group_id, environment_id)
instance = cache.get(cache_key)
if instance is None:
instance, created = cls.objects.get_or_create(
group_id=group_id,
environment_id=environment_id,
defaults=defaults)
cache.set(cache_key, instance, 3600)
else:
created = False
return instance, created
post_delete.connect(
lambda instance, **kwargs: cache.delete(
GroupEnvironment._get_cache_key(instance.group_id, instance.
environment_id)),
sender=GroupEnvironment,
weak=False,
)
def delete(self, *args, **kwargs):
rv = super().delete(*args, **kwargs)
cache_key = "project:{}:rules".format(self.project_id)
cache.delete(cache_key)
return rv
def clear_release_project_cache(instance: ReleaseProject,
**kwargs: Any) -> None:
proj_id = instance.project_id
cache.delete(get_project_release_cache_key(proj_id))
