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Refactor log_trials_result()

This commit is contained in:
hroff-1902 2019-12-01 16:15:00 +03:00
parent 32c9b5f415
commit 668d42447f
1 changed files with 29 additions and 40 deletions
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69
freqtrade/optimize/hyperopt.py
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@ -156,7 +156,7 @@ class Hyperopt:
self.trials_file.unlink()
return trials
def log_trials_result(self) -> None: # noqa: C901
def log_trials_result(self) -> None:
"""
Display Best hyperopt result
"""
@ -170,57 +170,43 @@ class Hyperopt:
best_result = results[0]
params = best_result['params']
log_str = self.format_results_logstring(best_result)
print(f"\nBest result:\n\n{log_str}\n")
if self.config.get('print_json'):
result_dict: Dict = {}
for s in ['buy', 'sell', 'roi', 'stoploss', 'trailing']:
self._params_update_for_json(result_dict, params, s)
print(rapidjson.dumps(result_dict, default=str, number_mode=rapidjson.NM_NATIVE))
if self.has_space('buy') or self.has_space('sell'):
result_dict['params'] = {}
else:
self._params_pretty_print(params, 'buy', "Buy hyperspace params:")
self._params_pretty_print(params, 'sell', "Sell hyperspace params:")
self._params_pretty_print(params, 'roi', "ROI table:")
self._params_pretty_print(params, 'stoploss', "Stoploss:")
self._params_pretty_print(params, 'trailing', "Trailing stop:")
if self.has_space('buy'):
result_dict['params'].update(self.space_params(params, 'buy'))
if self.has_space('sell'):
result_dict['params'].update(self.space_params(params, 'sell'))
if self.has_space('roi'):
def _params_update_for_json(self, result_dict, params, space: str):
if self.has_space(space):
space_params = self.space_params(params, space)
if space in ['buy', 'sell']:
result_dict.setdefault('params', {}).update(space_params)
elif space == 'roi':
# Convert keys in min_roi dict to strings because
# rapidjson cannot dump dicts with integer keys...
# OrderedDict is used to keep the numeric order of the items
# in the dict.
result_dict['minimal_roi'] = OrderedDict(
(str(k), v) for k, v in self.custom_hyperopt.generate_roi_table(params).items()
(str(k), v) for k, v in space_params.items()
)
else: # 'stoploss', 'trailing'
result_dict.update(space_params)
if self.has_space('stoploss'):
result_dict.update(self.space_params(params, 'stoploss'))
if self.has_space('trailing'):
result_dict.update(self.space_params(params, 'trailing'))
print(rapidjson.dumps(result_dict, default=str, number_mode=rapidjson.NM_NATIVE))
else:
if self.has_space('buy'):
print('Buy hyperspace params:')
pprint(self.space_params(params, 'buy', 5), indent=4)
if self.has_space('sell'):
print('Sell hyperspace params:')
pprint(self.space_params(params, 'sell', 5), indent=4)
if self.has_space('roi'):
print("ROI table:")
# Round printed values to 5 digits after the decimal point
pprint(round_dict(self.custom_hyperopt.generate_roi_table(params), 5), indent=4)
if self.has_space('stoploss'):
print(f"Stoploss:")
pprint(self.space_params(params, 'stoploss', 5), indent=4)
if self.has_space('trailing'):
print('Trailing stop:')
pprint(self.space_params(params, 'trailing', 5), indent=4)
def _params_pretty_print(self, params, space: str, header: str):
if self.has_space(space):
space_params = self.space_params(params, space, 5)
print(header)
pprint(space_params, indent=4)
def is_best(self, results) -> bool:
return results['loss'] < self.current_best_loss
@ -302,7 +288,10 @@ class Hyperopt:
return spaces
def space_params(self, params, space: str, r: int = None) -> Dict:
d = {p.name: params.get(p.name) for p in self.hyperopt_space(space)}
if space == 'roi':
d = self.custom_hyperopt.generate_roi_table(params)
else:
d = {p.name: params.get(p.name) for p in self.hyperopt_space(space)}
# Round floats to `r` digits after the decimal point if requested
return round_dict(d, r) if r else d