Add GitHub subset

Add the GitHub subset of "the pile" to the dataset. Uses the "pile_preliminary_components".

the_pile.py

@@ -48,6 +48,7 @@ _LICENSES = {
     "pubmed_central": "Unknown",
     "ubuntu_irc": "Unknown",
     "uspto": "Unknown",
+    "github": "Unknown",
 }
 
 _HOST_URL = "https://the-eye.eu"
@@ -66,6 +67,7 @@ _DATA_URLS = {
     "pubmed_central": f"{_HOST_URL}/public/AI/pile_preliminary_components/PMC_extracts.tar.gz",
     "ubuntu_irc": f"{_HOST_URL}/public/AI/pile_preliminary_components/ubuntu_irc_until_2020_9_1.jsonl.zst",
     "uspto": f"{_HOST_URL}/public/AI/pile_preliminary_components/pile_uspto.tar",
+    "github": f"{_HOST_URL}/public/AI/pile_preliminary_components/github.tar",
 }
 
 _FEATURES = {
@@ -129,6 +131,12 @@ _FEATURES = {
             "meta": datasets.Value("string"),
         }
     ),
+    "github": datasets.Features(
+        {
+            "text": datasets.Value("string"),
+            "meta": datasets.Value("string"),
+        }
+    ),
 }
 
 
@@ -243,7 +251,7 @@ class ThePile(datasets.GeneratorBasedBuilder):
                             "meta": meta,
                         }
                         key += 1
-                elif subset == "uspto":
+                elif subset in {"uspto", "github"}:
                     import zstandard as zstd
 
                     for path, file in files[subset]: