chore: apply pep8-naming rules for naming convention (#8261)

api/pyproject.toml

@@ -15,8 +15,8 @@ select = [
     "C4", # flake8-comprehensions
     "F", # pyflakes rules
     "I", # isort rules
+    "N", # pep8-naming
     "UP", # pyupgrade rules
-    "B035", # static-key-dict-comprehension
     "E101", # mixed-spaces-and-tabs
     "E111", # indentation-with-invalid-multiple
     "E112", # no-indented-block
@@ -47,9 +47,10 @@ ignore = [
     "B006", # mutable-argument-default
     "B007", # unused-loop-control-variable
     "B026", # star-arg-unpacking-after-keyword-arg
-#    "B901", # return-in-generator
     "B904", # raise-without-from-inside-except
     "B905", # zip-without-explicit-strict
+    "N806", # non-lowercase-variable-in-function
+    "N815", # mixed-case-variable-in-class-scope
 ]
 
 [tool.ruff.lint.per-file-ignores]
@@ -65,6 +66,12 @@ ignore = [
     "F401", # unused-import
     "F811", # redefined-while-unused
 ]
+"configs/*" = [
+    "N802", # invalid-function-name
+]
+"libs/gmpy2_pkcs10aep_cipher.py" = [
+    "N803", # invalid-argument-name
+]
 
 [tool.ruff.format]
 exclude = [