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| # -*-coding:utf-8 -*- | |
| import json | |
| import random | |
| import pandas as pd | |
| class Instance(object): | |
| """ | |
| By Default use few-shot for generation and evaluation | |
| """ | |
| def __init__(self, loader=None): | |
| self.samples = loader() | |
| self.n_few_shot = 0 | |
| self.n_train = 0 | |
| self.n_eval = 0 | |
| self.train_iter = None | |
| self.train_samples = [] | |
| self.eval_samples = [] | |
| def n_sample(self): | |
| return len(self.samples) | |
| def sample(self, n_train, n_few_shot, n_eval): | |
| self.n_train = n_train | |
| self.n_few_shot = n_few_shot | |
| self.n_eval = n_eval | |
| n_train = n_train * n_few_shot | |
| if n_train + n_eval > len(self.samples): | |
| raise ValueError(f'Train + Eval > total samples {len(self.samples)}, decrease them') | |
| index = random.sample(list(range(len(self.samples))), n_train + n_eval) | |
| train_index, eval_index = index[:n_train], index[n_train:] | |
| self.train_samples = [self.samples[i] for i in train_index] | |
| self.eval_samples = [self.samples[i] for i in train_index] | |
| def get_train_iter(self): | |
| for i in range(self.n_train): | |
| yield self.train_samples[(i*self.n_few_shot) :(i+1)* self.n_few_shot] | |
| def display(samples): | |
| s = "" | |
| for i in samples: | |
| s += f'{i[0]} >> {i[1]}\n' | |
| return s | |
| def from_file(cls, loader): | |
| return cls(loader) | |
| def from_list(cls, tuple_list): | |
| # 直接输入Input，Ouput List 构建Instance | |
| def func(): | |
| return tuple_list | |
| return cls(func) | |
| def load_event_extraction(file='./ape/data/event_ie_train.json'): | |
| data = [] | |
| with open(file, 'rb') as f: | |
| for i in f.readlines(): | |
| data.append(json.loads(i)) | |
| return data | |
| def load_paraphase(file='./ape/data/paraphase_train.csv'): | |
| df = pd.read_csv(file, encoding='GBK') | |
| tuple_list = [] | |
| for i in df.iterrows(): | |
| tuple_list.append((i[1][0], i[1][1])) | |
| return tuple_list | |
| def load_intent(file='./ape/data/intent_train.csv'): | |
| df = pd.read_csv(file, encoding='UTF8', sep='\t') | |
| tuple_list = [] | |
| for i in df.iterrows(): | |
| tuple_list.append((i[1][0], i[1][1])) | |
| return tuple_list | |
| def upload_file(file): | |
| tuple_list = [] | |
| with open(file, 'r') as f: | |
| for i in f.readlines(): | |
| input, output = i.split(' ') | |
| tuple_list.append((input, output)) | |
| return tuple_list | |
| LoadFactory = { | |
| 'paraphase': load_paraphase, | |
| 'event_extract': load_event_extraction, | |
| 'search_intent': load_intent | |
| } | |
| if __name__ == '__main__': | |
| n_train = 2 | |
| few_shot = 3 | |
| n_eval = 2 | |
| instance1 = Instance.from_file(load_paraphase) | |
| instance1.sample(n_train, few_shot, n_eval) | |
| print(instance1.display(instance1.train_samples)) | |
| instance2 = Instance.from_list([('sane', 'insane'), ('direct', 'indirect'), ('informally', 'formally'), | |
| ('unpopular', 'popular'), ('subtractive', 'additive'), | |
| ('nonresidential', 'residential'), ('inexact', 'exact'), | |
| ('uptown', 'downtown'), ('incomparable', 'comparable'), | |
| ('powerful', 'powerless'), ('gaseous', 'solid'), | |
| ('evenly', 'unevenly'), ('formality', 'informality'), | |
| ('deliberately', 'accidentally'), ('off', 'on')]) | |
| instance2.sample(n_train, few_shot, n_eval) | |
| print(instance2.display(instance2.train_samples)) | |
| train_iter = instance2.get_train_iter() | |
| print(next(train_iter)) | |