Add linter ruff

Signed-off-by: Aisuko <[email protected]>

.github/workflows/ci-backend.yaml

@@ -18,9 +18,10 @@ jobs:
           - ubuntu-latest
         python-version:
           - "3.11"
-    defaults:
-      run:
-        working-directory: backend/
+    # No need to set to specific directory
+    # defaults:
+    #   run:
+    #     working-directory: backend/
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -33,13 +34,10 @@ jobs:
           cache: 'pip'
       - name: Install Dependencies for Linting
         run: |
-          pip install flake8
-      - name: Lint with Flake8
+          pip install ruff==0.4.9
+      - name: Lint with ruff
         run: |
-          # stop the build if there are Python syntax errors or undefined names
-          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+          make ruff
 
  
   # test:

Makefile

@@ -57,3 +57,10 @@ gpu-logs:
 .PHONY: gpu-remove
 gpu-remove:
 	docker compose -f docker-compose.gpu.yaml down
+
+############################################################################################################
+# Linter
+
+.PHONY: ruff
+ruff:
+	@ruff check --output-format=github backend/src/ --config ruff.toml

ruff.toml

@@ -0,0 +1,53 @@
+# https://docs.astral.sh/ruff/configuration/
+
+# ignored directories
+exclude = [
+    ".devcontainer",
+    ".github",
+    ".git",
+    ".vscode",
+]
+
+
+# Same as Black
+line-length = 120
+indent-width = 4
+
+# Assume Python 3.11
+target-version = "py311"
+
+[lint]
+# Enable Pyflakes (`F`) and a subset of the pycodestyle (`E`)  codes by default.
+# Unlike Flake8, Ruff doesn't enable pycodestyle warnings (`W`) or
+# McCabe complexity (`C901`) by default.
+select = ["E4", "E7", "E9", "F"]
+ignore = []
+
+# Allow fix for all enabled rules (when `--fix`) is provided.
+fixable = ["ALL"]
+unfixable = []
+
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+
+# Example of ignore files
+# Ignore `E402` (import violations) in all `__init__.py` files, and in select subdirectories.
+[lint.per-file-ignores]
+"__init__.py" = ["E402"]
+"**/{tests,docs,tools}/*" = ["E402"]
+
+
+[format]
+# Like Black, use double quotes for strings.
+quote-style = "double"
+
+# Like Black, indent with spaces, rather than tabs.
+indent-style = "space"
+
+# Like Black, respect magic trailing commas.
+skip-magic-trailing-comma = false
+
+# Like Black, automatically detect the appropriate line ending.
+line-ending = "auto"