CI - add ruff check of the code

.github/workflows/ci.yml

@@ -113,11 +113,15 @@ jobs:
         with:
           python-version: '3.11'
           architecture: 'x64'
-      - name: Install pylint
-        run: pip install -r dev_tools/requirements/pylint.env.txt
-      - name: Display version
-        run: check/pylint --version
-      - name: Lint
+      - name: Install lint tools
+        run: pip install -r dev_tools/requirements/lint.env.txt
+      - name: Display versions
+        run: |
+          ruff --version
+          check/pylint --version
+      - name: Lint with ruff
+        run: FORCE_COLOR=1 ruff check
+      - name: Lint with pylint
         run: check/pylint -v
   doc_test:
     if: github.repository_owner == 'quantumlib'

dev_tools/requirements/deps/dev-tools.txt

@@ -6,6 +6,7 @@
 -r notebook.txt
 -r tensorflow-docs.txt
 -r packaging.txt
+-r ruff.txt
 
 # For testing and analyzing code.
 asv

dev_tools/requirements/deps/ruff.txt

@@ -0,0 +1 @@
+ruff~=0.11.11

dev_tools/requirements/pylint.env.txt → dev_tools/requirements/lint.env.txt

@@ -2,3 +2,4 @@
 -r deps/cirq-all.txt
 
 -r deps/pylint.txt
+-r deps/ruff.txt

pyproject.toml

@@ -15,7 +15,6 @@ include = [
 ]
 omit = ["benchmarks/*"]
 
-
 [tool.coverage.report]
 exclude_also = [
     "^ *pass$",
@@ -48,3 +47,23 @@ markers = [
 ]
 # Silence deprecation warnings about option "asyncio_default_fixture_loop_scope"
 asyncio_default_fixture_loop_scope = "function"
+
+
+[tool.ruff]
+line-length = 100
+target-version = "py311"
+extend-exclude = ["*_pb2.py*"]
+
+[tool.ruff.lint]
+select = [
+    # "ANN201",  # missing-return-type-undocumented-public-function
+    # "F401",  # unused-import
+    # "F601",  # multi-value-repeated-key-literal
+    "F821",  # undefined-name
+    "TC001",  # typing-only-first-party-import
+    "TC002",  # typing-only-third-party-import
+    # "TC003",  # typing-only-standard-library-import
+    "UP006",  # non-pep585-annotation
+    "UP007",  # non-pep604-annotation-union
+    "UP037",  # quoted-annotation
+]