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fail safely when pickling (#4085)

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* fail safely when pickling

* why did i do that
This commit is contained in:
Khaleel Al-Adhami 2024-10-07 11:59:33 -07:00 committed by Masen Furer
parent 08a493882d
commit 3810161873
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GPG Key ID: B0008AD22B3B3A95
1 changed files with 18 additions and 9 deletions
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27
reflex/state.py
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@ -1958,7 +1958,14 @@ class BaseState(Base, ABC, extra=pydantic.Extra.allow):
Returns:
The serialized state.
"""
return pickle.dumps((state_to_schema(self), self))
try:
return pickle.dumps((state_to_schema(self), self))
except pickle.PicklingError:
console.warn(
f"Failed to serialize state {self.get_full_name()} due to unpicklable object. "
"This state will not be persisted."
)
return b""
@classmethod
def _deserialize(
@ -2812,9 +2819,10 @@ class StateManagerDisk(StateManager):
self.states[substate_token] = substate
state_dilled = substate._serialize()
if not self.states_directory.exists():
self.states_directory.mkdir(parents=True, exist_ok=True)
self.token_path(substate_token).write_bytes(state_dilled)
if state_dilled:
if not self.states_directory.exists():
self.states_directory.mkdir(parents=True, exist_ok=True)
self.token_path(substate_token).write_bytes(state_dilled)
for substate_substate in substate.substates.values():
await self.set_state_for_substate(client_token, substate_substate)
@ -3107,11 +3115,12 @@ class StateManagerRedis(StateManager):
if state._get_was_touched():
pickle_state = state._serialize()
self._warn_if_too_large(state, len(pickle_state))
await self.redis.set(
_substate_key(client_token, state),
pickle_state,
ex=self.token_expiration,
)
if pickle_state:
await self.redis.set(
_substate_key(client_token, state),
pickle_state,
ex=self.token_expiration,
)
# Wait for substates to be persisted.
for t in tasks: