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Create link between WrapSpawner and its child spawner traitlets #27

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Jun 18, 2019
Merged

Create link between WrapSpawner and its child spawner traitlets #27

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8 changes: 7 additions & 1 deletion wrapspawner/wrapspawner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ class or properties of the child Spawner at any earlier point (e.g. from
from traitlets import (
Instance, Type, Tuple, List, Dict, Integer, Unicode, Float, Any
)
from traitlets import directional_link

# Only needed for DockerProfilesSpawner
try:
Expand Down Expand Up @@ -81,7 +82,12 @@ def construct_child(self):
self.child_spawner.clear_state()
if self.child_state:
self.child_spawner.load_state(self.child_state)
self.child_spawner.api_token = self.api_token

# link traits common between self and child
common_traits = (set(self._trait_values.keys()) &
set(self.child_spawner._trait_values.keys()))
for trait in common_traits:
directional_link((self, trait), (self.child_spawner, trait))
return self.child_spawner

def load_child_class(self, state):
Expand Down