从txt下载数据，支持dataview

amz20.py

@@ -51,7 +51,7 @@ class AMZ20(datasets.GeneratorBasedBuilder):
                     label_column='label',
                     citation="",
                     data_dir= "",
-                    data_url = "https://huggingface.co/datasets/kuroneko3578/amz20/resolve/main/data.7z",
+                    data_url = "https://huggingface.co/datasets/kuroneko3578/amz20/resolve/main/",
                     url='https://github.com/ws719547997/LNB-DA')
         for domain_name in domain_list
     ]
@@ -71,25 +71,23 @@ class AMZ20(datasets.GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
-        downloaded_file = dl_manager.download_and_extract(self.config.data_url)
-        print(downloaded_file)
 
-        test_file = rf'{downloaded_file}\data\test\{self.config.name}.txt'
-        dev_file = rf'{downloaded_file}\data\dev\{self.config.name}.txt'
-        train_file = rf'{downloaded_file}\data\train\{self.config.name}.txt'
+        test_file = rf'{self.config.data_url}test/{self.config.name}.txt'
+        dev_file = rf'{self.config.data_url}dev/{self.config.name}.txt'
+        train_file = rf'{self.config.data_url}train/{self.config.name}.txt'
         return [datasets.SplitGenerator(name=datasets.Split.TEST,
                                         gen_kwargs={
-                                            "data_file": test_file,
+                                            "data_file": dl_manager.download(test_file),
                                             "split": "test",
                                         },), 
                 datasets.SplitGenerator(name=datasets.Split.VALIDATION,
                                         gen_kwargs={
-                                            "data_file": dev_file,
+                                            "data_file": dl_manager.download(dev_file),
                                             "split": "dev",
                                         },), 
                 datasets.SplitGenerator(name=datasets.Split.TRAIN,
                                         gen_kwargs={
-                                            "data_file": train_file,
+                                            "data_file": dl_manager.download(train_file),
                                             "split": "train",
                                         },)]