[verify]charcnn use pipe,remove dataloader

reproduction/text_classification/README.md

@@ -18,6 +18,13 @@ SST：https://nlp.stanford.edu/sentiment/trainDevTestTrees_PTB.zip
 yelp_full:https://drive.google.com/drive/folders/0Bz8a_Dbh9Qhbfll6bVpmNUtUcFdjYmF2SEpmZUZUcVNiMUw1TWN6RDV3a0JHT3kxLVhVR2M
 yelp_polarity:https://drive.google.com/drive/folders/0Bz8a_Dbh9Qhbfll6bVpmNUtUcFdjYmF2SEpmZUZUcVNiMUw1TWN6RDV3a0JHT3kxLVhVR2M
 
+dataset |classes | train samples | dev samples | test samples|refer|
+:---: | :---: | :---: | :---: | :---: | :---: | 
+yelp_polarity | 2 |560k | - |38k|[char_cnn](https://arxiv.org/pdf/1509.01626v3.pdf)|
+yelp_full | 5|650k | - |50k|[char_cnn](https://arxiv.org/pdf/1509.01626v3.pdf)|
+IMDB | 2 |25k | - |25k|[IMDB](https://ai.stanford.edu/~ang/papers/acl11-WordVectorsSentimentAnalysis.pdf)|
+sst-2 | 2 |67k | 872 |1.8k|[GLUE](https://arxiv.org/pdf/1804.07461.pdf)|
+
 # 数据集及复现结果汇总
 
 使用fastNLP复现的结果vs论文汇报结果(/前为fastNLP实现，后面为论文报道,-表示论文没有在该数据集上列出结果)

reproduction/text_classification/train_char_cnn.py

@@ -1,15 +1,8 @@
-# 首先需要加入以下的路径到环境变量，因为当前只对内部测试开放，所以需要手动申明一下路径
-import os
-os.environ['FASTNLP_BASE_URL'] = 'http://10.141.222.118:8888/file/download/'
-os.environ['FASTNLP_CACHE_DIR'] = '/remote-home/hyan01/fastnlp_caches'
-
 import sys
 sys.path.append('../..')
 from fastNLP.core.const import Const as C
 import torch.nn as nn
-from fastNLP.io.data_loader import YelpLoader
 from fastNLP.io.pipe.classification import YelpFullPipe,YelpPolarityPipe,SST2Pipe,IMDBPipe
-#from data.sstLoader import sst2Loader
 from model.char_cnn import CharacterLevelCNN
 from fastNLP import CrossEntropyLoss, AccuracyMetric
 from fastNLP.core.trainer import Trainer
@@ -27,9 +20,9 @@ class Config():
     model_dir_or_name="en-base-uncased"
     embedding_grad= False,
     bert_embedding_larers= '4,-2,-1'
-    train_epoch= 50
+    train_epoch= 100
     num_classes=2
-    task= "yelp_p"
+    task= "sst-2"
     #yelp_p
     datapath = {"train": "/remote-home/ygwang/yelp_polarity/train.csv",
                "test": "/remote-home/ygwang/yelp_polarity/test.csv"}
@@ -132,15 +125,17 @@ elif ops.task == 'sst-2':
 else:
     raise RuntimeError(f'NOT support {ops.task} task yet!')
 
+print(data_bundle)
 
 def wordtochar(words):
     chars = []
-    for word in words:
+
+    #for word in words:
         #word = word.lower()
-        for char in word:
-            chars.append(char)
-        chars.append('')
-    chars.pop()
+    for char in words:
+        chars.append(char)
+        #chars.append('')
+    #chars.pop()
     return chars
 
 #chartoindex
@@ -162,10 +157,14 @@ def chartoindex(chars):
         char_index_list=[zero_index]*max_seq_len
     return char_index_list
 
+
 for dataset in data_bundle.datasets.values():
     dataset.apply_field(wordtochar, field_name="raw_words", new_field_name='chars')
     dataset.apply_field(chartoindex,field_name='chars',new_field_name='chars')
 
+# print(data_bundle.datasets['train'][0]['chars'])
+# print(data_bundle.datasets['train'][0]['raw_words'])
+
 data_bundle.datasets['train'].set_input('chars')
 data_bundle.datasets['test'].set_input('chars')
 data_bundle.datasets['train'].set_target('target')
@@ -216,7 +215,6 @@ model=CharacterLevelCNN(ops,embedding)
 ## 3. 声明loss,metric,optimizer
 loss=CrossEntropyLoss
 metric=AccuracyMetric
-#optimizer= SGD([param for param in model.parameters() if param.requires_grad==True], lr=ops.lr)
 optimizer = SGD([param for param in model.parameters() if param.requires_grad == True],
                 lr=ops.lr, momentum=0.9, weight_decay=ops.weight_decay)
 callbacks = []
@@ -236,8 +234,4 @@ def train(model,datainfo,loss,metrics,optimizer,num_epochs=100):
 
 
 if __name__=="__main__":
-    #print(vocab_label)
-
-    #print(datainfo.datasets["train"])
     train(model,data_bundle,loss,metric,optimizer,num_epochs=ops.train_epoch)
-