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Warn when NetworkOperation is present during Network.store() #1802

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Warn when NetworkOperation is present during Network.store() #1802

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12 changes: 12 additions & 0 deletions brian2/core/network.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@

from brian2.core.base import BrianObject, BrianObjectException
from brian2.core.clocks import defaultclock
from brian2.core.operations import NetworkOperation
from brian2.core.names import Nameable
from brian2.core.namespace import get_local_namespace
from brian2.core.preferences import BrianPreference, prefs
Expand Down Expand Up @@ -643,6 +644,17 @@ def store(self, name="default", filename=None):
for clock in clocks:
clock._set_t_update_dt(target_t=self.t)

for obj in _get_all_objects(self.objects):
if isinstance(obj, NetworkOperation):
logger.warn(
f"NetworkOperation '{obj.name}' is present in the network but "
"its state (e.g. closure variables) cannot be stored or "
"restored. If this operation maintains internal state across "
"timesteps, that state will not be reset by restore().",
name_suffix="network_operation_store",
once=True,
)

state = self._full_state()
# Store the state of the random number generator
dev = get_device()
Expand Down
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