add piqa text

lm_eval/tasks/piqa.py

+import json
+import random
+from lm_eval.base import Dataset
+from ..utils import sh
+
+class PiQA(Dataset):
+    def __init__(self):
+        self.download()
+    def download(self):
+        #pass
+        #TODO: don't download if files already there
+        sh("""
+           mkdir -p data/piqa
+           wget https://yonatanbisk.com/piqa/data/train.jsonl -O data/piqa/piqa-train.jsonl
+           wget https://yonatanbisk.com/piqa/data/train-labels.lst -O data/piqa/piqa-train-labels.lst
+           wget https://yonatanbisk.com/piqa/data/valid.jsonl -O data/piqa/piqa-valid.jsonl
+           wget https://yonatanbisk.com/piqa/data/valid-labels.lst -O data/piqa/piqa-valid-labels.lst
+           wget https://yonatanbisk.com/piqa/data/tests.jsonl -O data/piqa/piqa-test.jsonl
+           """)
+
+    def has_training_docs(self):
+        return True
+
+    def has_validation_docs(self):
+        return True
+
+    def has_test_docs(self):
+        return True
+
+    def load_docs(self, textfilename, labelfilename):
+        if labelfilename != None:
+            return zip([json.loads(entry) for entry in list(open(textfilename,'r'))],list(open(labelfilename, 'r')))
+        else:
+            return [json.loads(entry) for entry in list(open(textfilename,'r'))]
+    
+    def training_docs(self):
+        return self.load_docs('data/piqa/piqa-train.jsonl', 'data/piqa/piqa-train-labels.lst')
+   
+    def validation_docs(self):
+        return self.load_docs('data/piqa/piqa-valid.jsonl', 'data/piqa/piqa-valid-labels.lst')
+
+    def test_docs(self):
+        return self.load_docs('data/piqa/piqa-test.jsonl', None)
+    
+    def fewshot_description(self):
+        pass
+    
+    def doc_to_text(self, doc, include_target=True):
+        if include_target:
+            rightanswer = int(doc[1][0])+1
+            return ''.join([doc[0]['goal'],' ',doc[0]['sol'+str(rightanswer)]])
+        #TODO: check if oa uses newline
+        return  doc['goal'] + ' '
+
+    def evaluate(self, docs, lm):
+        pass
+