[GitBot] Automatically close issues after inactivitiy (#1079)

* [GitBot] Automatically close issues after inactivitiy

* improve

* Add unstale

* typo
Co-authored-by: anton-l <anton@huggingface.co>

utils/stale.py

@@ -42,11 +42,27 @@ def main():
         last_comment = comments[0] if len(comments) > 0 else None
         if (
             last_comment is not None
+            and last_comment.user.login == "github-actions[bot]"
+            and (dt.utcnow() - issue.updated_at).days > 7
+            and (dt.utcnow() - issue.created_at).days >= 30
+            and not any(label.name.lower() in LABELS_TO_EXEMPT for label in issue.get_labels())
+        ):
+            # Closes the issue after 7 days of inactivity since the Stalebot notification.
+            issue.edit(state="closed")
+        elif (
+            "stale" in issue.get_labels()
+            and last_comment is not None
             and last_comment.user.login != "github-actions[bot]"
-            and (dt.utcnow() - issue.updated_at).days > 23
+        ):
+            # Opens the issue if someone other than Stalebot commented.
+            issue.edit(state="open")
+            issue.remove_from_labels("stale")
+        elif (
+            (dt.utcnow() - issue.updated_at).days > 23
             and (dt.utcnow() - issue.created_at).days >= 30
             and not any(label.name.lower() in LABELS_TO_EXEMPT for label in issue.get_labels())
         ):
+            # Post a Stalebot notification after 23 days of inactivity.
             issue.create_comment(
                 "This issue has been automatically marked as stale because it has not had "
                 "recent activity. If you think this still needs to be addressed "
@@ -54,7 +70,7 @@ def main():
                 "[contributing guidelines](https://github.com/huggingface/diffusers/blob/main/CONTRIBUTING.md) "
                 "are likely to be ignored."
             )
-            issue.edit(labels=["stale"])
+            issue.add_to_labels("stale")
 
 
 if __name__ == "__main__":