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# Author: Simon Blanke |
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# Email: [email protected] |
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# License: MIT License |
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import os |
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import glob |
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import dill |
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import datetime |
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import inspect |
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import hashlib |
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class MemoryIO: |
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def __init__(self, _space_, _main_args_, _cand_, memory_dict): |
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self._space_ = _space_ |
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self._main_args_ = _main_args_ |
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self.feature_hash = self._get_hash(_main_args_.X) |
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self.label_hash = self._get_hash(_main_args_.y) |
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self.score_col_name = "mean_test_score" |
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current_path = os.path.realpath(__file__) |
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self.meta_learn_path, _ = current_path.rsplit("/", 1) |
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func_str = self._get_func_str(_cand_.func_) |
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self.func_path_ = self._get_hash(func_str.encode("utf-8")) + "/" |
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self.datetime = "run_data/" + datetime.datetime.now().strftime( |
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"%d.%m.%Y - %H:%M:%S" |
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) |
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self.meta_path = self.meta_learn_path + "/meta_data/" |
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self.func_path = self.meta_path + self.func_path_ |
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self.date_path = self.meta_path + self.func_path_ + self.datetime + "/" |
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if not os.path.exists(self.date_path): |
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os.makedirs(self.date_path, exist_ok=True) |
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self.hash2obj = self._hash2obj() |
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def _get_func_str(self, func): |
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return inspect.getsource(func) |
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def _get_hash(self, object): |
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return hashlib.sha1(object).hexdigest() |
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""" |
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def is_sha1(maybe_sha): |
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if len(maybe_sha) != 40: |
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return False |
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try: |
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sha_int = int(maybe_sha, 16) |
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except ValueError: |
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return False |
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return True |
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""" |
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def _read_dill(self, value): |
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paths = self._get_pkl_hash(value) |
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for path in paths: |
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with open(path, "rb") as fp: |
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value = dill.load(fp) |
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value = dill.loads(value) |
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break |
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return value |
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def _get_pkl_hash(self, hash): |
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paths = glob.glob(self.func_path + hash + "*.pkl") |
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return paths |
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def _hash2obj(self): |
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hash2obj_dict = {} |
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para_hash_list = self._get_para_hash_list() |
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for para_hash in para_hash_list: |
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obj = self._read_dill(para_hash) |
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hash2obj_dict[para_hash] = obj |
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return hash2obj_dict |
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def _get_para_hash_list(self): |
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para_hash_list = [] |
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for key in self._space_.search_space.keys(): |
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values = self._space_.search_space[key] |
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for value in values: |
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if ( |
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not isinstance(value, int) |
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and not isinstance(value, float) |
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and not isinstance(value, str) |
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): |
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para_dill = dill.dumps(value) |
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para_hash = self._get_hash(para_dill) |
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para_hash_list.append(para_hash) |
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return para_hash_list |
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