Adds linter in templates (#12321)

Did not actually run/fix errors yet @efriis

templates/.gitignore

@@ -1 +1,2 @@
 __pycache__
+.ruff_cache

templates/Makefile

@@ -0,0 +1,2 @@
+lint lint_diff:
+	poetry run ruff .

templates/poetry.lock

@@ -0,0 +1,32 @@
+# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
+
+[[package]]
+name = "ruff"
+version = "0.1.2"
+description = "An extremely fast Python linter, written in Rust."
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "ruff-0.1.2-py3-none-macosx_10_7_x86_64.whl", hash = "sha256:0d3ee66b825b713611f89aa35d16de984f76f26c50982a25d52cd0910dff3923"},
+    {file = "ruff-0.1.2-py3-none-macosx_10_9_x86_64.macosx_11_0_arm64.macosx_10_9_universal2.whl", hash = "sha256:f85f850a320ff532b8f93e8d1da6a36ef03698c446357c8c43b46ef90bb321eb"},
+    {file = "ruff-0.1.2-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:809c6d4e45683696d19ca79e4c6bd3b2e9204fe9546923f2eb3b126ec314b0dc"},
+    {file = "ruff-0.1.2-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:46005e4abb268e93cad065244e17e2ea16b6fcb55a5c473f34fbc1fd01ae34cb"},
+    {file = "ruff-0.1.2-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:10cdb302f519664d5e2cf954562ac86c9d20ca05855e5b5c2f9d542228f45da4"},
+    {file = "ruff-0.1.2-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:f89ebcbe57a1eab7d7b4ceb57ddf0af9ed13eae24e443a7c1dc078000bd8cc6b"},
+    {file = "ruff-0.1.2-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:7344eaca057d4c32373c9c3a7afb7274f56040c225b6193dd495fcf69453b436"},
+    {file = "ruff-0.1.2-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:dffa25f6e03c4950b6ac6f216bc0f98a4be9719cb0c5260c8e88d1bac36f1683"},
+    {file = "ruff-0.1.2-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:42ddaea52cb7ba7c785e8593a7532866c193bc774fe570f0e4b1ccedd95b83c5"},
+    {file = "ruff-0.1.2-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:a8533efda625bbec0bf27da2886bd641dae0c209104f6c39abc4be5b7b22de2a"},
+    {file = "ruff-0.1.2-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:b0b1b82221ba7c50e03b7a86b983157b5d3f4d8d4f16728132bdf02c6d651f77"},
+    {file = "ruff-0.1.2-py3-none-musllinux_1_2_i686.whl", hash = "sha256:6c1362eb9288f8cc95535294cb03bd4665c8cef86ec32745476a4e5c6817034c"},
+    {file = "ruff-0.1.2-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:ffa7ef5ded0563329a35bd5a1cfdae40f05a75c0cc2dd30f00b1320b1fb461fc"},
+    {file = "ruff-0.1.2-py3-none-win32.whl", hash = "sha256:6e8073f85e47072256e2e1909f1ae515cf61ff5a4d24730a63b8b4ac24b6704a"},
+    {file = "ruff-0.1.2-py3-none-win_amd64.whl", hash = "sha256:b836ddff662a45385948ee0878b0a04c3a260949905ad861a37b931d6ee1c210"},
+    {file = "ruff-0.1.2-py3-none-win_arm64.whl", hash = "sha256:b0c42d00db5639dbd5f7f9923c63648682dd197bf5de1151b595160c96172691"},
+    {file = "ruff-0.1.2.tar.gz", hash = "sha256:afd4785ae060ce6edcd52436d0c197628a918d6d09e3107a892a1bad6a4c6608"},
+]
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.10"
+content-hash = "7a86271e260f3ac3de6446960b301dc6c854f9d7f9544774d81eaa13be511838"

templates/pyproject.toml

@@ -0,0 +1,26 @@
+[tool.poetry]
+name = "templates"
+version = "0.0.0"
+description = ""
+authors = []
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.10"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
+
+
+[tool.poetry.group.lint.dependencies]
+ruff = "^0.1"
+
+
+[tool.ruff]
+select = [
+  "E",  # pycodestyle
+  "F",  # pyflakes
+  "I",  # isort
+]