allow to use alternative methods to use hf datasets, allow configuration with dataset_kwargs

lm_eval/api/task.py

@@ -45,15 +45,16 @@ class TaskConfig(dict):
     task_name: str = (
         None  # TODO: deprecate this, it'll be set in __post_init__ to be names[0]
     )
-    base_task: str = None
     dataset_path: str = None
     dataset_name: str = None
+    dataset_kwargs: dict = None
     training_split: str = None
     validation_split: str = None
     test_split: str = None
     fewshot_split: str = None  # TODO: assert that this not None if num_fewshot > 0. (?) assert if this is same split as one evaling (?)
 
     template_aliases: str = None
+    aliases: Union[str, list] = None
     doc_to_text: Union[Callable, str] = None
     doc_to_target: Union[Callable, str] = None
 
@@ -79,12 +80,12 @@ class TaskConfig(dict):
         # allow user-specified aliases so that users can
         # force prompt-compatibility for some prompt regardless of
         # field names in prompt
-        if self.template_aliases is not None:
-            if type(self.doc_to_text) == str:
-                self.doc_to_text = self.template_aliases + self.doc_to_text
+        # if self.template_aliases is not None:
+        #     if type(self.doc_to_text) == str:
+        #         self.doc_to_text = self.template_aliases + self.doc_to_text
 
-            if type(self.doc_to_target) == str:
-                self.doc_to_target = self.template_aliases + self.doc_to_target
+        #     if type(self.doc_to_target) == str:
+        #         self.doc_to_target = self.template_aliases + self.doc_to_target
 
         # set "task_name" metadata field based on the "primary" name set
         if self.names:
@@ -188,15 +189,6 @@ class Task(abc.ABC):
             - `datasets.DownloadMode.FORCE_REDOWNLOAD`
                 Fresh download and fresh dataset.
         """
-        if self.DATASET_PATH in ["json", "csv"]:
-            self.dataset = datasets.load_dataset(
-                path=self.DATASET_PATH,
-                data_files=self.DATASET_NAME,
-                data_dir=data_dir,
-                cache_dir=cache_dir,
-                download_mode=download_mode,
-            )
-        else:
         self.dataset = datasets.load_dataset(
             path=self.DATASET_PATH,
             name=self.DATASET_NAME,
@@ -524,7 +516,7 @@ class ConfigurableTask(Task):
                             "Please check https://huggingface.co/evaluate-metric",
                         )
 
-        self.download(data_dir, cache_dir, download_mode)
+        self.download(self._config.dataset_kwargs)
         self._training_docs = None
         self._fewshot_docs = None
 
@@ -559,6 +551,14 @@ class ConfigurableTask(Task):
                 list(self.fewshot_docs()), self, rnd=random.Random()
             )  # TODO: pass the correct docs in here
 
+    def download(self, dataset_kwargs=None):
+
+        self.dataset = datasets.load_dataset(
+            path=self.DATASET_PATH,
+            name=self.DATASET_NAME,
+            **dataset_kwargs if dataset_kwargs is not None else {},
+        )
+
     def has_training_docs(self):
         if self._config.training_split is not None:
             return True
@@ -710,7 +710,7 @@ class ConfigurableTask(Task):
         if self.OUTPUT_TYPE == "loglikelihood":
             results = results[0]
             ll, is_greedy = results
-            result_dict = {"perplexity": ll, "accuracy": int(is_greedy)}
+            result_dict = {"perplexity": ll, "acc": int(is_greedy)}
         elif self.OUTPUT_TYPE == "loglikelihood_rolling":
             (loglikelihood,) = results
             words = self.count_words(self.doc_to_target(doc))