Best Python code snippet using Testify_python
test_env_context.py
Source:test_env_context.py
...136 # __enter__() test137 if (_test_enter):138 self.conduct_tests(139 func=func,140 tests=_construct_test(_test_enter.get("answer", None)),141 )142 # __exit__() test143 if (_test_exit):144 self.conduct_tests(145 func=func,146 tests=_construct_test(_test_exit.get("answer", None)),147 )148 def test_EnvironmentContext(self):149 _old_environment = dict(os.environ)150 _test_envs = {151 "SAMPLE_ENVVAR1":"Testing Temporary System Variable 1",152 "SAMPLE_ENVVAR2":"Testing Temporary System Variable 2",153 "SAMPLE_ENVVAR3":"Testing Temporary System Variable 3",154 }155 _tests_enter = [156 {157 # These are args for the context manager, not the tests158 "args":{159 # Just update the variables160 "update":_test_envs,...
dataset.py
Source:dataset.py
...32 df, self.num_users, self.num_items = self._load_data(file_path)33 self.pos_dict = self._construct_pos_dict(df)34 self.train_df, self.test_df = self._split_train_test(df)35 self.train_dict = self._construct_train(self.train_df)36 self.test_dict = self._construct_test(self.test_df)373839 def _load_data(self, file_path):40 df = pd.read_csv(file_path, sep=',', usecols=[0, 1])4142 # constructing index43 uiterator = count(0)44 udict = defaultdict(lambda: next(uiterator))45 [udict[user] for user in sorted(df['reviewerID'].tolist())]46 iiterator = count(0)47 idict = defaultdict(lambda: next(iiterator))48 [idict[item] for item in sorted(df['asin'].tolist())]4950 self.udict = udict51 self.idict = idict5253 df['uidx'] = df['reviewerID'].map(lambda x: udict[x])54 df['iidx'] = df['asin'].map(lambda x: idict[x])55 del df['reviewerID'], df['asin']56 print('Load %s data successfully with %d users, %d products and %d interactions.'57 %(self.name, len(udict), len(idict), df.shape[0]))5859 return df, len(udict), len(idict)606162 def _construct_pos_dict(self, df):63 # we can't build a negative dictionary cause it'll cost huge memory64 pos_dict = defaultdict(set)65 for user, item in zip(df['uidx'], df['iidx']):66 pos_dict[user].add(item)6768 return pos_dict697071 def _split_train_test(self, df):72 test_list = []73 print('Spliting data of train and test...')74 with Pool(self.args.processor_num) as pool:75 nargs = [(user, df, self.args.test_size) for user in range(self.num_users)]76 test_list = pool.map(self._split, nargs)7778 test_df = pd.concat(test_list)79 train_df = df.drop(test_df.index)8081 train_df = train_df.reset_index(drop=True)82 test_df = test_df.reset_index(drop=True)8384 train_df.to_csv(self.path+'/%s_train_df.csv'% self.name, index=False)85 test_df.to_csv(self.path+'/%s_test_df.csv'% self.name, index=False)8687 return train_df, test_df888990 def _construct_train(self, df):91 # It's desperate to use df to calculate... so slow!!!92 print('Adding negative data to train_df...')93 users = []94 items = []95 labels = []96 with Pool(self.args.processor_num) as pool:97 nargs = [(user, item, self.num_items, self.pos_dict, self.args.train_neg_num, True)98 for user, item in zip(df['uidx'], df['iidx'])]99 res_list = pool.map(self._add_negtive, nargs)100101 for (batch_users, batch_items, batch_labels) in res_list:102 users += batch_users103 items += batch_items104 labels += batch_labels105106 data_dict = {'user': users, 'item': items, 'label': labels}107 np.save(self.train_npy_path, data_dict)108109 return data_dict110111112 def _construct_test(self, df):113 print('Adding negative data to test_df...')114 users = []115 items = []116 labels = []117118 with Pool(self.args.processor_num) as pool:119 nargs = [(user, item, self.num_items, self.pos_dict, self.args.test_neg_num, False)120 for user, item in zip(df['uidx'], df['iidx'])]121 res_list = pool.map(self._add_negtive, nargs)122123 for batch_users, batch_items, batch_labels in res_list:124 users += batch_users125 items += batch_items126 labels += batch_labels
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