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reset cache only if calculated value return a new value

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This commit is contained in:
Emmanuel Garette
2018-03-31 23:09:40 +02:00
parent 95849d2e01
commit de77cd1027
7 changed files with 57 additions and 50 deletions
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2
tiramisu/option/baseoption.py
View File

@ -31,7 +31,7 @@ STATIC_TUPLE = frozenset()
submulti = 2
NAME_REGEXP = re.compile(r'^[a-z1-Z][a-zA-Z\d_-]*$')
NAME_REGEXP = re.compile(r'^[a-zA-Z][a-zA-Z\d_-]*$')
FORBIDDEN_NAMES = frozenset(['iter_all', 'iter_group', 'find', 'find_first',
'make_dict', 'unwrap_from_path', 'read_only',
'read_write', 'getowner', 'set_contexts'])

24
tiramisu/storage/util.py
View File

@ -15,7 +15,7 @@
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# ____________________________________________________________
def POUET(obj):
def _display_classname(obj):
return(obj.__class__.__name__.lower())
DEBUG = False
@ -34,23 +34,25 @@ class Cache(object):
"""add val in cache for a specified path
if slave, add index
"""
if DEBUG and path == 'odmaster.third':
print('ca set cache', path, val, POUET(self), id(self))
if DEBUG:
print('setcache', path, val, _display_classname(self), id(self))
self._cache.setdefault(path, {})[index] = (val, time)
def getcache(self, path, exp, index):
value, created = self._cache[path][index]
if created is None or exp <= created:
if DEBUG and path == 'odmaster.third':
print('ca trouve dans le cache', path, value, POUET(self), id(self), index, exp)
if created is None or exp is None or exp <= created:
if DEBUG:
print('getcache in cache', path, value, _display_classname(self), id(self), index, exp)
return True, value
if DEBUG:
print('getcache not in cache')
return False, None # pragma: no cover
def delcache(self, path):
"""remove cache for a specified path
"""
if DEBUG and path == 'odmaster.third':
print('ca del cache', path, POUET(self), id(self))
if DEBUG:
print('delcache', path, _display_classname(self), id(self))
if path in self._cache:
del self._cache[path]
@ -59,8 +61,8 @@ class Cache(object):
:param path: the path's option
"""
if DEBUG and path == 'odmaster.third':
print('ca cherche dans le cache', path, POUET(self), id(self))
if DEBUG:
print('hascache', path, _display_classname(self), id(self))
return path in self._cache and index in self._cache[path]
def reset_expired_cache(self, exp):
@ -77,7 +79,7 @@ class Cache(object):
def reset_all_cache(self):
"empty the cache"
if DEBUG:
print('bzzzzzzzzzzzz delete tout le cache', POUET(self), id(self))
print('reset_all_cache', _display_classname(self), id(self))
self._cache.clear()
def get_cached(self):

33
tiramisu/value.py
View File

@ -88,7 +88,7 @@ class Values(object):
if setting_properties and 'cache' in setting_properties and \
self._p_.hascache(path,
index):
if 'expire' in setting_properties:
if 'expire' in setting_properties or 'expire' in config_bag.properties:
ntime = int(time())
is_cached, value = self._p_.getcache(path,
ntime,
@ -118,7 +118,7 @@ class Values(object):
# store value in cache
if not is_cached and \
setting_properties and 'cache' in setting_properties:
if 'expire' in setting_properties:
if 'expire' in setting_properties or 'expire' in config_bag.properties:
if ntime is None:
ntime = int(time())
ntime = ntime + expires_time
@ -198,8 +198,12 @@ class Values(object):
config_bag):
context = self._getcontext()
opt = config_bag.option
def _reset_cache():
# calculated value could be a new value, so reset cache
def _reset_cache(_value):
if self._p_.hascache(path, index):
is_cache, cache_value = self._p_.getcache(path, None, index)
if is_cache and cache_value == _value:
return
# calculated value is a new value, so reset cache
context.cfgimpl_reset_cache(opt=opt,
path=path)
@ -236,41 +240,40 @@ class Values(object):
# if value is a list and index is set
if opt.impl_is_submulti() and (value == [] or not isinstance(value[0], list)):
# return value only if it's a submulti and not a list of list
_reset_cache()
_reset_cache(value,)
return value
if len(value) > index:
# return the value for specified index if found
_reset_cache()
_reset_cache(value[index])
return value[index]
# there is no calculate value for this index,
# so return an other default value
elif isinstance(value, list):
# value is a list, but no index specified
_reset_cache()
if opt.impl_is_submulti() and (value != [] and not isinstance(value[0], list)):
# if submulti, return a list of value
return [value]
value = [value]
_reset_cache(value)
return value
# otherwise just return the value
return value
elif index is not None:
# if not list but with index
_reset_cache()
if opt.impl_is_submulti():
# if submulti, return a list of value
return [value]
# otherwise just return the value
value = [value]
_reset_cache(value)
return value
else:
_reset_cache()
# not a list or index is None
if opt.impl_is_submulti():
# return a list of list for a submulti
return [[value]]
value = [[value]]
elif opt.impl_is_multi():
# return a list for a multi
return [value]
# not a list, return value
value = [value]
_reset_cache(value)
return value
# now try to get default value: