def getAllRulesAsTuples(self):
try:
# This LBYL may look odd but it is needed. Rendering OOPSes and
# timeouts also looks up flags, but doing such a lookup can
# will cause a doom if the db request is not executed or is
# canceled by the DB - and then results in a failure in
# zope.app.publication.ZopePublication.handleError when it
# calls transaction.commit.
# By Looking this up first, we avoid this and also permit
# code using flags to work in timed out requests (by appearing to
# have no rules).
adapter.get_request_remaining_seconds()
except adapter.RequestExpired:
return
store = getFeatureStore()
rs = (store.find(FeatureFlag).order_by(FeatureFlag.flag,
Desc(FeatureFlag.priority)))
for r in rs:
yield Rule(str(r.flag), str(r.scope), r.priority, r.value)
def getAllRulesAsTuples(self):
try:
# This LBYL may look odd but it is needed. Rendering OOPSes and
# timeouts also looks up flags, but doing such a lookup can
# will cause a doom if the db request is not executed or is
# canceled by the DB - and then results in a failure in
# zope.app.publication.ZopePublication.handleError when it
# calls transaction.commit.
# By Looking this up first, we avoid this and also permit
# code using flags to work in timed out requests (by appearing to
# have no rules).
adapter.get_request_remaining_seconds()
except adapter.RequestExpired:
return
store = getFeatureStore()
rs = (store
.find(FeatureFlag)
.order_by(
FeatureFlag.flag,
Desc(FeatureFlag.priority)))
for r in rs:
yield Rule(str(r.flag), str(r.scope), r.priority, r.value)
def _getDiffTimeout(self):
"""Return the seconds allocated to get the diff from the librarian.
the value will be Non for scripts, 2 for the webapp, or if thre is
little request time left, the number will be smaller or equal to
the remaining request time.
"""
remaining = get_request_remaining_seconds()
if remaining is None:
return LIBRARIAN_SERVER_DEFAULT_TIMEOUT
elif remaining > 2.0:
# The maximum permitted time for webapp requests.
return 2.0
elif remaining > 0.01:
# Shave off 1 hundreth of a second off so that the call site
# has a chance to recover.
return remaining - 0.01
else:
return remaining
def _getDiffTimeout(self):
"""Return the seconds allocated to get the diff from the librarian.
the value will be Non for scripts, 2 for the webapp, or if thre is
little request time left, the number will be smaller or equal to
the remaining request time.
"""
remaining = get_request_remaining_seconds()
if remaining is None:
return LIBRARIAN_SERVER_DEFAULT_TIMEOUT
elif remaining > 2.0:
# The maximum permitted time for webapp requests.
return 2.0
elif remaining > 0.01:
# Shave off 1 hundreth of a second off so that the call site
# has a chance to recover.
return remaining - 0.01
else:
return remaining
