Add CI workflow and backend improvements

- Add GitHub Actions workflow for Ruff linting
- Update .gitignore
- Improve opinfo_suite.py
- Enhance scripts/main.py

Author: msaroufim

.github/workflows/ruff.yml

@@ -0,0 +1,23 @@
+name: Ruff
+
+on:
+  push:
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    
+    - name: Install ruff
+      run: pip install ruff==0.12.1
+    
+    - name: Run ruff check
+      run: ruff check .
+    
+    - name: Run ruff format check
+      run: ruff format --check . 

.gitignore

@@ -1 +1,4 @@
 __pycache__/
+.claude/
+.vscode/
+.ruff_cache/

BackendBench/opinfo_suite.py

@@ -1,12 +1,11 @@
 import logging
 from collections import defaultdict
 
-import torch
 from torch.testing._internal.common_methods_invocations import op_db
 from torch.utils._python_dispatch import TorchDispatchMode
 
 from .eval import allclose
-from .suite import OpTest, Test, TestSuite
+from .suite import OpTest, TestSuite
 
 logger = logging.getLogger(__name__)
 

scripts/main.py

@@ -1,5 +1,4 @@
 import logging
-import sys
 
 import BackendBench.backends as backends
 import BackendBench.eval as eval