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[tune] Add custom field for serializations #4237

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Merged
richardliaw merged 6 commits into from
Mar 8, 2019
Merged

[tune] Add custom field for serializations #4237

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de2751c
Add custom field for serializations
richardliaw Mar 3, 2019
22134c0
Fix up test
richardliaw Mar 3, 2019
8aba662
fixup trial nonjson fields
richardliaw Mar 7, 2019
e25b5f0
Revert "fixup trial nonjson fields"
richardliaw Mar 7, 2019
5798672
fixup fields
richardliaw Mar 7, 2019
55f619b
remove extra serialization fn
richardliaw Mar 7, 2019
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36 changes: 21 additions & 15 deletions python/ray/tune/trial.py
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Original file line number Diff line number Diff line change
Expand Up @@ -299,6 +299,24 @@ def __init__(self,
self.error_file = None
self.num_failures = 0

# AutoML fields
self.results = None
self.best_result = None
self.param_config = None
self.extra_arg = None

self._nonjson_fields = [
"_checkpoint",
"config",
"loggers",
"sync_function",
"last_result",
"results",
"best_result",
"param_config",
"extra_arg",
]

self.trial_name = None
if trial_name_creator:
self.trial_name = trial_name_creator(self)
Expand Down Expand Up @@ -509,17 +527,8 @@ def __getstate__(self):
state = self.__dict__.copy()
state["resources"] = resources_to_json(self.resources)

# These are non-pickleable entries.
pickle_data = {
"_checkpoint": self._checkpoint,
"config": self.config,
"loggers": self.loggers,
"sync_function": self.sync_function,
"last_result": self.last_result
}

for key, value in pickle_data.items():
state[key] = binary_to_hex(cloudpickle.dumps(value))
for key in self._nonjson_fields:
state[key] = binary_to_hex(cloudpickle.dumps(state.get(key)))

state["runner"] = None
state["result_logger"] = None
Expand All @@ -535,10 +544,7 @@ def __getstate__(self):
def __setstate__(self, state):
logger_started = state.pop("__logger_started__")
state["resources"] = json_to_resources(state["resources"])
for key in [
"_checkpoint", "config", "loggers", "sync_function",
"last_result"
]:
for key in self._nonjson_fields:
state[key] = cloudpickle.loads(hex_to_binary(state[key]))

self.__dict__.update(state)
Expand Down