Update ikcest2022.py

ikcest2022.py

@@ -93,7 +93,7 @@ class IKCEST2022(datasets.GeneratorBasedBuilder):
         source, target = self.config.pair.split("-")
         dl_dir = dl_manager.download_and_extract(URL)
         TARGET_LANGUAGE = target if target != SOURCE_LANGUAGE else source
-        data_dir = os.path.join(dl_dir, "ZhFrRuThArEn",f"{SOURCE_LANGUAGE}-{TARGET_LANGUAGE}") #  只获取前向的语言对
+        data_dir = os.path.join(dl_dir, "ZhFrRuThArEn",f"{SOURCE_LANGUAGE}-{TARGET_LANGUAGE}") 
 
         return [
             datasets.SplitGenerator(
@@ -102,7 +102,7 @@ class IKCEST2022(datasets.GeneratorBasedBuilder):
                     "source_files": [
                         os.path.join(
                             data_dir,
-                            f"train.{self.config.pair}.{source}", # 读取的是txt，而不是json...
+                            f"train.{self.config.pair}.{source}",
                         )
                     ],
                     "target_files": [
@@ -149,14 +149,8 @@ class IKCEST2022(datasets.GeneratorBasedBuilder):
             ),
         ]
 
-    def _generate_examples(self, source_files, target_files): # 如何处理反向
+    def _generate_examples(self, source_files, target_files):
         """Yields examples."""
-        # 如果只存了zh-fr.*，没有fr-zh.*，那么修改文件名。
-        '''
-        举个例子： source_files=zh-fr.zh  target_files=zh-fr.fr √
-            source_files=fr-zh.fr  target_files=fr-zh.zh x
-            source_files=test.fr-zh.fr  target_files=test.fr-zh.zh √
-        '''
         def _reverse_lang_pair(file_name):
             '''
             Reverses the language pair in a given file name.
@@ -178,7 +172,6 @@ class IKCEST2022(datasets.GeneratorBasedBuilder):
 
         id_ = 0
         source, target = self.config.pair.split("-")
-        # 将反向的路径映射到前向路径，如train.fr-zh.fr->train.zh-fr.fr
         for idx in range(len(source_files)):
             source_file, target_file = source_files[idx], target_files[idx]
             if os.path.exists(source_file) and os.path.exists(target_file):