Update tatoeba_mt.py

tatoeba_mt.py

@@ -109,31 +109,37 @@ class tatoebaMT(datasets.GeneratorBasedBuilder):
 
         lang_pair = self.config.language_pair
         # release = self.config.release
-
-        files = {
-            "test": os.path.join("test", f"tatoeba-test.{lang_pair}.tsv"),
-            "validation": os.path.join("dev", f"tatoeba-dev.{lang_pair}.tsv")
-            }
-        data_dir = dl_manager.download_and_extract(files)
-
+        
+        files = {}
+    
+        test_path = os.path.join("test", f"tatoeba-test.{lang_pair}.tsv")
+        files["test"] = test_path
+        valid_path = os.path.join("test", f"tatoeba-dev.{lang_pair}.tsv")
+        files["validation"] = valid_path           
+        try:
+            data_dir = dl_manager.download_and_extract(files)
+        except:
+            files.pop("validation")
+            data_dir = dl_manager.download_and_extract(files)
+            
         output = []
-        # if os.path.exists(data_dir["test"]):
-        test = datasets.SplitGenerator(
-            name=datasets.Split.TEST,
-            gen_kwargs={
-                "filepath": data_dir["test"]
-            }
-        )
-        output.append(test)
-
-        #if os.path.exists(data_dir["validation"]):
-        valid = datasets.SplitGenerator(
-            name=datasets.Split.VALIDATION,
-            gen_kwargs={
-                "filepath": data_dir["validation"]
-            }
-        )
-        output.append(valid)
+        if "test" in files:
+            test = datasets.SplitGenerator(
+                name=datasets.Split.TEST,
+                gen_kwargs={
+                    "filepath": data_dir["test"]
+                }
+            )
+            output.append(test)
+
+        if "validation" in files:
+            valid = datasets.SplitGenerator(
+                name=datasets.Split.VALIDATION,
+                gen_kwargs={
+                    "filepath": data_dir["validation"]
+                }
+            )
+            output.append(valid)
 
         return output