update ruff and explicitly mark some unused variables as such

Author: DocOtak

.pre-commit-config.yaml

@@ -2,12 +2,12 @@
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.12.11
+    rev: v0.13.2
     hooks:
       - id: ruff-check
       - id: ruff-format
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.17.1
+    rev: v1.18.2
     hooks:
       - id: mypy
         additional_dependencies: [types-requests]

pyproject.toml

@@ -70,7 +70,7 @@ dev = [
     "pre-commit>=4.1.0",
     "pytest-cov>=6.0.0",
     "pytest-xdist>=3.6.1",
-    "ruff>=0.12.0",
+    "ruff>=0.13.2",
     "types-requests>=2.32.0.20241016",
 ]
 docs = [
@@ -130,4 +130,4 @@ extend-select = [
 known-first-party = ["cchdo"]
 
 [tool.uv]
-default-groups = ["dev", "docs"]
+default-groups = ["dev", "docs"]

src/cchdo/hydro/__main_helpers.py

@@ -81,7 +81,7 @@ def p_file(file_m):
 
 
 def p_file_cf(file_m):
-    t_dir, file, file_metadata = file_m
+    _t_dir, file, file_metadata = file_m
 
     warnings.simplefilter("ignore")
 

src/cchdo/hydro/exchange/__init__.py

@@ -120,7 +120,7 @@ def _transform_whp_to_csv(params: list[str], units: list[str]) -> list[str]:
         for index, (param, unit) in enumerate(pairs):
             next_idx = index + 1
             try:
-                next_param, next_unit = pairs[next_idx]
+                next_param, _next_unit = pairs[next_idx]
             except IndexError:
                 continue