class NerInference(object):
def __init__(self):
self.tokenizer = Tokenizer(VocabPath)
with open(Class2NumFile, 'rb') as f:
self.class_to_num = pickle.load(f)
self.num_to_class = {}
for k, v in self.class_to_num.items():
self.num_to_class[v] = k
try:
self.model = torch.load(NerFinetunePath).to(device).eval()
except:
self.model = torch.load(NerFinetunePath, map_location='cpu').eval()
print('加载模型完成！')
def parse_inference_text(self, ori_line):
ori_line = ori_line.strip().replace(' ', '')
if len(list(ori_line)) > SentenceLength:
print('文本过长！')
return None, None
input_tokens_id = []
segment_ids = []
for token in list(ori_line):
id = self.tokenizer.token_to_id(token)
input_tokens_id.append(id)
for i in range(SentenceLength - len(input_tokens_id)):
input_tokens_id.append(0)
for x in input_tokens_id:
if x:
segment_ids.append(1)
else:
segment_ids.append(0)
return input_tokens_id, segment_ids
def inference_single(self, text):
input_tokens_id, segment_ids = self.parse_inference_text(text)
input_tokens_id = torch.tensor(input_tokens_id)
segment_ids = torch.tensor(segment_ids)
input_token = input_tokens_id.unsqueeze(0).to(device)
segment_ids = torch.tensor(segment_ids).unsqueeze(0).to(device)
input_token_list = input_token.tolist()
input_len = len([x for x in input_token_list[0] if x])
mlm_output = self.model(input_token, segment_ids)[:, :input_len, :]
output_tensor = torch.nn.Softmax(dim=-1)(mlm_output)
output_topk = torch.topk(output_tensor, 1).indices.squeeze(0).tolist()
output2class = []
for i, output in enumerate(output_topk):
output = output[0]
# output2class.append((text[i], self.num_to_class[output]))
output2class.append(self.num_to_class[output])
return output2class
class RobertaTestSet(Dataset):
def __init__(self, test_path):
self.tokenizer = Tokenizer(VocabPath)
self.test_path = test_path
self.test_lines = []
self.label_lines = []
# 读取数据
with open(self.test_path, 'r', encoding='utf-8') as f:
for line in f:
if line:
line = line.strip()
line_list = line.split('-***-')
self.test_lines.append(line_list[1])
self.label_lines.append(line_list[0])
def __len__(self):
return len(self.label_lines)
def __getitem__(self, item):
output = {}
test_text = self.test_lines[item]
label_text = self.label_lines[item]
test_token = self.__gen_token(test_text)
label_token = self.__gen_token(label_text)
segment_ids = [1 if x else 0 for x in label_token]
output['input_token_ids'] = test_token
output['token_ids_labels'] = label_token
output['segment_ids'] = segment_ids
instance = {
k: torch.tensor(v, dtype=torch.long)
for k, v in output.items()
}
return instance
def __gen_token(self, tokens):
tar_token_ids = [101]
tokens = list(tokens)
tokens = tokens[:(SentenceLength - 2)]
for token in tokens:
token_id = self.tokenizer.token_to_id(token)
tar_token_ids.append(token_id)
tar_token_ids.append(102)
if len(tar_token_ids) < SentenceLength:
for i in range(SentenceLength - len(tar_token_ids)):
tar_token_ids.append(0)
return tar_token_ids
def parse_ori_line(ori_line, class_to_num):
"""
:param ori_line: 六味地黄{3,ypcf}丸{1,yplb}
:return:
[101, 123, 233, 334, 221, 299, ..., 102, ...]
[ptzf, b-ypcf, i-ypcf, i-ypcf, e-ypcf, e-yplb, ..., pytzf, ...]
"""
ori_line = ori_line.strip().replace(' ', '')
input_tokens = ''
input_tokens_id = []
input_tokens_class = []
input_tokens_class_id = []
tokenizer = Tokenizer(VocabPath)
i = 0
l = 0
ori_line_list = list(ori_line)
while i < len(ori_line_list):
if ori_line_list[i] != '{' and ori_line_list[i] != '}':
input_tokens += ori_line_list[i]
input_tokens_class.append(NormalChar)
i += 1
l += 1
if ori_line_list[i] == '{':
current_type = ''
current_len = ''
j = i
while True:
j += 1
if ori_line_list[j].isdigit():
current_len += ori_line_list[j]
if ori_line_list[j] == ',':
break
while True:
j += 1
if ori_line_list[j] == '}':
break
current_type += ori_line_list[j]
current_len = int(current_len)
if current_len == 1:
input_tokens_class[l - 1] = 'e' + current_type
elif current_len == 2:
input_tokens_class[l - 2] = 'b' + current_type
input_tokens_class[l - 1] = 'e' + current_type
else:
input_tokens_class[l - current_len] = 'b' + current_type
input_tokens_class[l - 1] = 'e' + current_type
for k in range(current_len - 2):
input_tokens_class[l - 2 - k] = 'i' + current_type
i = j
i += 1
for token in input_tokens:
id = tokenizer.token_to_id(token)
if not id:
print('警告！本地vocab缺少以下字符：%s！' % token)
continue
input_tokens_id.append(id)
# 补全类别
if len(input_tokens_id) > MedicineLength - 2:
return None, None, None, None
else:
input_tokens_id.append(102)
input_tokens_class.append(NormalChar)
for i in range(MedicineLength - len(input_tokens_id) - 1):
input_tokens_id.append(0)
input_tokens_class.append('pad')
# 数值化文字分类
input_tokens_id = [101] + input_tokens_id
input_tokens_class = [NormalChar] + input_tokens_class
for token_class in input_tokens_class:
if token_class in class_to_num:
input_tokens_class_id.append(class_to_num[token_class])
else:
class_to_num[token_class] = len(class_to_num)
input_tokens_class_id.append(class_to_num[token_class])
return input_tokens, input_tokens_id, input_tokens_class, input_tokens_class_id, class_to_num
class NerInference(object):
def __init__(self):
self.NerClassDict = NerClassDict
self.tokenizer = Tokenizer(VocabPath)
with open(Class2NumFile, 'rb') as f:
self.class_to_num = pickle.load(f)
self.num_to_class = {}
for k, v in self.class_to_num.items():
self.num_to_class[v] = k
self.model = torch.load(NerFinetunePath).to(device).eval()
print('加载模型完成！')
def parse_inference_text(self, ori_line):
ori_line = ori_line.strip().replace(' ', '')
if len(list(ori_line)) > MedicineLength - 2:
print('文本过长！')
return None, None
input_tokens_id = [101]
segment_ids = []
for token in list(ori_line):
id = self.tokenizer.token_to_id(token)
input_tokens_id.append(id)
input_tokens_id.append(102)
for i in range(MedicineLength - len(input_tokens_id)):
input_tokens_id.append(0)
for x in input_tokens_id:
if x:
segment_ids.append(1)
else:
segment_ids.append(0)
return input_tokens_id, segment_ids
def inference_single(self, text):
input_tokens_id, segment_ids = self.parse_inference_text(text)
input_tokens_id = torch.tensor(input_tokens_id)
segment_ids = torch.tensor(segment_ids)
input_token = input_tokens_id.unsqueeze(0).to(device)
segment_ids = torch.tensor(segment_ids).unsqueeze(0).to(device)
input_token_list = input_token.tolist()
input_len = len([x for x in input_token_list[0] if x]) - 2
mlm_output = self.model(input_token, segment_ids)[:, 1:input_len + 1, :]
output_tensor = torch.nn.Softmax(dim=-1)(mlm_output)
output_topk = torch.topk(output_tensor, 1).indices.squeeze(0).tolist()
output2class = []
result = []
for i, output in enumerate(output_topk):
output = output[0]
output2class.append(self.num_to_class[output])
entities = extract_output_entities(output2class)
for key, val in entities.items():
entity_len = len(val)
current_text = ''
current_entity = self.NerClassDict[val[0][1:]]
for i in range(entity_len):
current_text += text[key + i]
result.append((current_text, current_entity))
print('输入数据为：', text)
print('实体识别结果为:', result)
return result
def parse_new_data():
"""
:return:
[123, 233, 334, 221, 299, ..., ...]
[ptzf, b-ypcf, i-ypcf, i-ypcf, e-ypcf, e-yplb, ..., pytzf, ...]
"""
with open(Class2NumFile, 'rb') as f:
class2num = pickle.load(f)
# class2num = {'pad': 0, 'ptzf': 1}
new_train_data = {}
new_eval_data = {}
tokenizer = Tokenizer(VocabPath)
input_path = 'data/train_new'
eval_path = 'data/eval_new'
f_train = open(NerCorpusPath, 'a+', encoding='utf-8')
f_eval = open(NerEvalPath, 'w', encoding='utf-8')
category_list = []
for data_file in os.listdir(input_path):
if '.txt' not in data_file:
continue
file_num = data_file.split('.')[0]
f1 = open(os.path.join(input_path, data_file), 'r', encoding='utf-8')
lines = f1.readlines()
lines = [x.strip().replace(',', '，') for x in lines if x][:-1]
new_train_data[file_num] = {}
new_train_data[file_num]['sentence'] = ''
new_train_data[file_num]['tokens_id'] = []
new_train_data[file_num]['tokens_class'] = []
new_train_data[file_num]['tokens_class_num'] = []
for i, line in enumerate(lines):
try:
ch, label = tuple(line.lower().split(' '))
except:
print(file_num)
print(i)
print(line)
print('\n')
ch = '，'
label = 'o'
new_train_data[file_num]['sentence'] += ch
new_train_data[file_num]['tokens_id'].append(
tokenizer.token_to_id(ch))
if label == 'o' or label == '0':
token_class = 'ptzf'
token_class_num = 1
else:
token_class = label.lower().replace('-', '')
if token_class[1:] in ['qq', 'vx', 'mobile', 'email']:
token_class = 'ptzf'
if token_class != 'ptzf':
category_list.append(token_class[1:])
if token_class in class2num:
token_class_num = class2num[token_class]
else:
token_class_num = len(class2num)
class2num[token_class] = token_class_num
new_train_data[file_num]['tokens_class'].append(token_class)
new_train_data[file_num]['tokens_class_num'].append(
token_class_num)
for data_file in os.listdir(eval_path):
if '.txt' not in data_file:
continue
file_num = data_file.split('.')[0]
f1 = open(os.path.join(eval_path, data_file), 'r', encoding='utf-8')
lines = f1.readlines()
lines = [x.strip().replace(',', '，') for x in lines if x][:-1]
new_eval_data[file_num] = {}
new_eval_data[file_num]['sentence'] = ''
new_eval_data[file_num]['tokens_id'] = []
new_eval_data[file_num]['tokens_class'] = []
new_eval_data[file_num]['tokens_class_num'] = []
for i, line in enumerate(lines):
try:
ch, label = tuple(line.lower().split(' '))
except:
print(file_num)
print(i)
print(line)
print('\n')
ch = '，'
label = 'o'
new_eval_data[file_num]['sentence'] += ch
new_eval_data[file_num]['tokens_id'].append(
tokenizer.token_to_id(ch))
if label == 'o':
token_class = 'ptzf'
token_class_num = 1
else:
token_class = label.lower().replace('-', '')
if token_class[1:] in ['qq', 'vx', 'mobile', 'email']:
token_class = 'ptzf'
if token_class != 'ptzf':
category_list.append(token_class[1:])
token_class_num = class2num[token_class]
new_eval_data[file_num]['tokens_class'].append(token_class)
new_eval_data[file_num]['tokens_class_num'].append(token_class_num)
print(set(category_list))
# 补全所有的句子
for num in new_train_data:
difference = SentenceLength - len(new_train_data[num]['sentence'])
new_train_data[num]['tokens_id'].extend([0] * difference)
new_train_data[num]['tokens_class'].extend(['pad'] * difference)
new_train_data[num]['tokens_class_num'].extend([class2num['pad']] *
difference)
new_train_data[num]['tokens_id'] = [
str(x) for x in new_train_data[num]['tokens_id']
]
new_train_data[num]['tokens_class_num'] = [
str(x) for x in new_train_data[num]['tokens_class_num']
]
for num in new_eval_data:
difference = SentenceLength - len(new_eval_data[num]['sentence'])
new_eval_data[num]['tokens_id'].extend([0] * difference)
new_eval_data[num]['tokens_class'].extend(['pad'] * difference)
new_eval_data[num]['tokens_class_num'].extend([class2num['pad']] *
difference)
new_eval_data[num]['tokens_id'] = [
str(x) for x in new_eval_data[num]['tokens_id']
]
new_eval_data[num]['tokens_class_num'] = [
str(x) for x in new_eval_data[num]['tokens_class_num']
]
# 将类型及编号进行存储
# with open(Class2NumFile, 'wb') as f:
# pickle.dump(class2num, f)
for num in new_train_data:
if new_train_data[num]['sentence']:
if new_train_data[num]['sentence']:
f_train.write(
new_train_data[num]['sentence'] + ',' +
' '.join(new_train_data[num]['tokens_id']) + ',' +
' '.join(new_train_data[num]['tokens_class']) + ',' +
' '.join(new_train_data[num]['tokens_class_num']) + '\n')
for num in new_eval_data:
if new_eval_data[num]['sentence']:
if new_eval_data[num]['sentence']:
f_eval.write(new_eval_data[num]['sentence'] + ',' +
' '.join(new_eval_data[num]['tokens_id']) + ',' +
' '.join(new_eval_data[num]['tokens_class']) +
',' +
' '.join(new_eval_data[num]['tokens_class_num']) +
'\n')
def parse_source_data():
"""
:return:
[123, 233, 334, 221, 299, ..., ...]
[ptzf, b-ypcf, i-ypcf, i-ypcf, e-ypcf, e-yplb, ..., pytzf, ...]
"""
MaxLen = 0
class2num = {'pad': 0, 'ptzf': 1}
total_data = {}
tokenizer = Tokenizer(VocabPath)
input_path = os.path.join(NerSourcePath, 'data')
label_path = os.path.join(NerSourcePath, 'label')
f_train = open(NerCorpusPath, 'w', encoding='utf-8')
# f_eval = open(NerEvalPath, 'w', encoding='utf-8')
category_list = []
relabel_list = []
for data_file in os.listdir(input_path):
label_word_pool = {}
if '.txt' not in data_file:
continue
file_num = data_file.split('.')[0]
f1 = open(os.path.join(input_path, data_file), 'r', encoding='utf-8')
f2 = open(os.path.join(label_path, file_num + '.csv'),
'r',
encoding='utf-8')
sentence = f1.read().strip().replace(',', '，')
# 初始化数据结构
total_data[int(file_num)] = {}
total_data[int(file_num)]['sentence'] = sentence
total_data[int(file_num)]['tokens_id'] = [0] * len(sentence)
total_data[int(file_num)]['tokens_class'] = ['ptzf'] * len(sentence)
total_data[int(file_num)]['tokens_class_num'] = [1] * len(sentence)
# 存储原句tokenid, 101表示cls
for i, token in enumerate(sentence):
id = tokenizer.token_to_id(token)
if not id:
print('警告！本地vocab缺少以下字符：%s！' % token)
print(sentence)
# 100表示UNK
total_data[int(file_num)]['tokens_id'][i] = 100
else:
total_data[int(file_num)]['tokens_id'][i] = id
label_lines = f2.readlines()[1:]
for label_line in label_lines:
label_line = label_line.split(',', 4)
assert len(label_line) == 5
category = label_line[1]
begin = int(label_line[2])
end = int(label_line[3])
label_words = label_line[4].strip()
category_list.append(category)
# if '启示录》' in label_words:
# x = 1
# if category == 'organization':
# print(file_num, label_words)
# 校验标记正确性
ori_words = sentence[begin:end + 1]
if ori_words != label_words:
print('标记位置错误：%s，%s！' % (file_num, label_words))
# 校验重复标记
for j in range(begin, end + 1):
if j in label_word_pool:
relabel_list.append(file_num)
else:
label_word_pool[j] = 'ok'
if category in ['QQ', 'vx', 'mobile', 'email']:
continue
if begin == end:
if 'b' + category not in class2num:
class2num['b' + category] = len(class2num)
total_data[int(file_num)]['tokens_class'][end] = 'b' + category
total_data[int(file_num)]['tokens_class_num'][end] = class2num[
'b' + category]
if end - begin > 0:
if 'b' + category not in class2num:
class2num['b' + category] = len(class2num)
if 'i' + category not in class2num:
class2num['i' + category] = len(class2num)
total_data[int(
file_num)]['tokens_class'][begin] = 'b' + category
total_data[int(file_num)]['tokens_class'][begin + 1:end] = [
'i' + category
] * (end - begin)
total_data[int(
file_num)]['tokens_class_num'][begin] = class2num['b' +
category]
total_data[int(file_num)]['tokens_class_num'][
begin +
1:end] = [class2num['i' + category]] * (end - begin)
# 将长句进行分割
new_total_data = {}
tmp_docker = ['', [], [], []]
for num in total_data:
if len(total_data[num]['sentence']) <= SentenceLength:
tl = len(new_total_data)
new_total_data[tl] = {}
new_total_data[tl]['sentence'] = total_data[num]['sentence']
new_total_data[tl]['tokens_id'] = total_data[num]['tokens_id']
new_total_data[tl]['tokens_class'] = total_data[num][
'tokens_class']
new_total_data[tl]['tokens_class_num'] = total_data[num][
'tokens_class_num']
tmp_docker = ['', [], [], []]
else:
ts = list(total_data[num]['sentence'])
ti = total_data[num]['tokens_id']
tc = total_data[num]['tokens_class']
tn = total_data[num]['tokens_class_num']
for i, word in enumerate(ts):
if word in [',', '，', '。', '?', '？', '!', '！', '~', ':', '：']:
if len(tmp_docker[0]) > MaxLen:
MaxLen = len(tmp_docker[0])
if len(tmp_docker[0]) > 200:
x = 1
if tc[i][0] == 'i' or 0 < len(tmp_docker[0]) < 10:
tmp_docker[0] += word
tmp_docker[1].append(ti[i])
tmp_docker[2].append(tc[i])
tmp_docker[3].append(tn[i])
else:
tl = len(new_total_data)
new_total_data[tl] = {}
new_total_data[tl]['sentence'] = tmp_docker[0]
new_total_data[tl]['tokens_id'] = tmp_docker[1]
new_total_data[tl]['tokens_class'] = tmp_docker[2]
new_total_data[tl]['tokens_class_num'] = tmp_docker[3]
tmp_docker = ['', [], [], []]
continue
else:
tmp_docker[0] += word
tmp_docker[1].append(ti[i])
tmp_docker[2].append(tc[i])
tmp_docker[3].append(tn[i])
# print(list(set(relabel_list)))
print('最长句子为：', MaxLen)
print(set(category_list))
# 补全所有的句子
total_data = new_total_data
for num in total_data:
difference = SentenceLength - len(total_data[num]['sentence'])
total_data[num]['tokens_id'].extend([0] * difference)
total_data[num]['tokens_class'].extend(['pad'] * difference)
total_data[num]['tokens_class_num'].extend([class2num['pad']] *
difference)
total_data[num]['tokens_id'] = [
str(x) for x in total_data[num]['tokens_id']
]
total_data[num]['tokens_class_num'] = [
str(x) for x in total_data[num]['tokens_class_num']
]
# 将类型及编号进行存储
with open(Class2NumFile, 'wb') as f:
pickle.dump(class2num, f)
for num in total_data:
# rad = random.random()
# if num > 3000 and rad < 0.02:
# if total_data[num]['sentence']:
# f_eval.write(total_data[num]['sentence'] + ',' +
# ' '.join(total_data[num]['tokens_id']) + ',' +
# ' '.join(total_data[num]['tokens_class']) + ',' +
# ' '.join(total_data[num]['tokens_class_num']) + '\n'
# )
# else:
if total_data[num]['sentence']:
f_train.write(total_data[num]['sentence'] + ',' +
' '.join(total_data[num]['tokens_id']) + ',' +
' '.join(total_data[num]['tokens_class']) + ',' +
' '.join(total_data[num]['tokens_class_num']) + '\n')