[Feature] Add InfiniteBench (#739)

* add InfiniteBench

* add InfiniteBench

---------
Co-authored-by: wangchonghua <wangchonghua@pjlab.org.cn>

opencompass/datasets/infinitebench/infinitebench_zhqa.py

+from datasets import Dataset
+
+from opencompass.registry import LOAD_DATASET
+
+from ..base import BaseDataset
+from .utils import iter_jsonl
+
+
+@LOAD_DATASET.register_module()
+class InfiniteBenchzhqaDataset(BaseDataset):
+
+    @staticmethod
+    def load(path: str):
+
+        dataset = list(iter_jsonl(path))
+
+        raw_data = []
+        for item in dataset:
+            context = item['context']
+            question = item['input']
+            answer = item['answer']
+            raw_data.append({
+                'context': context,
+                'question': question,
+                'answer': answer
+            })
+        dataset = Dataset.from_list(raw_data)
+        return dataset

opencompass/datasets/infinitebench/utils.py

+import json
+import re
+
+from opencompass.registry import TEXT_POSTPROCESSORS
+
+
+def iter_jsonl(path):
+    with open(path, 'r') as f:
+        for line in f:
+            yield json.loads(line)
+
+
+@TEXT_POSTPROCESSORS.register_module()
+def InfiniteBench_first_number_postprocess(text: str) -> str:
+    first_number = re.search(r'\d+\.\d+|\d+', text)
+    if first_number is None:
+        return None
+    first_number = first_number.group(0).strip()
+    return str(first_number)