fix linting

ansiblelater/candidate.py

@@ -191,7 +191,7 @@ class Candidate:
         if sid:
             standard_id = f"[{sid}] "
 
-        return standard_id  # noqa
+        return standard_id
 
     def __repr__(self):
         return f"{type(self).__name__} ({self.path})"

ansiblelater/rules/CheckBecomeUser.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -7,7 +9,7 @@ class CheckBecomeUser(StandardBase):
     description = "Become should be combined with become_user"
     helptext = "the task has `become` enabled but `become_user` is missing"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckBracesSpaces.py

@@ -1,4 +1,5 @@
 import re
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 from ansiblelater.utils import count_spaces
@@ -10,7 +11,9 @@ class CheckBracesSpaces(StandardBase):
     description = "YAML should use consistent number of spaces around variables"
     helptext = "no suitable numbers of spaces (min: {min} max: {max})"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"]
+    types: ClassVar[list[str]] = [
+        "playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"
+    ]
 
     def check(self, candidate, settings):
         yamllines, errors = self.get_normalized_yaml(candidate, settings)

ansiblelater/rules/CheckChangedInWhen.py

@@ -18,6 +18,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -27,7 +29,7 @@ class CheckChangedInWhen(StandardBase):
     description = "Use handlers instead of `when: changed`"
     helptext = "tasks using `when: result.changed` setting are effectively acting as a handler"
     version = "0.2"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckCommandHasChanges.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -10,7 +12,7 @@ class CheckCommandHasChanges(StandardBase):
         "idempotent while using controls like `creates`, `removes` or `when`"
     )
     version = "0.1"
-    types = ["playbook", "task"]
+    types: ClassVar[list[str]] = ["playbook", "task"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckCommandInsteadOfArgument.py

@@ -19,6 +19,7 @@
 # THE SOFTWARE.
 
 import os
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -29,7 +30,7 @@ class CheckCommandInsteadOfArgument(StandardBase):
     description = "Commands should not be used in place of module arguments"
     helptext = "{exec} used in place of file modules argument {arg}"
     version = "0.2"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckCommandInsteadOfModule.py

@@ -1,4 +1,5 @@
 import os
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -9,7 +10,7 @@ class CheckCommandInsteadOfModule(StandardBase):
     description = "Commands should not be used in place of modules"
     helptext = "{exec} command used in place of {module} module"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckCompareToEmptyString.py

@@ -1,4 +1,5 @@
 import re
+from typing import ClassVar
 
 from ansiblelater.candidate import Template
 from ansiblelater.standard import StandardBase
@@ -10,7 +11,7 @@ class CheckCompareToEmptyString(StandardBase):
     description = "Don't compare to empty string \"\""
     helptext = ("use `when: var` rather than `when: var !=` (or conversely `when: not var`)")
     version = "0.1"
-    types = ["playbook", "task", "handler", "template"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler", "template"]
 
     def check(self, candidate, settings):
         yamllines, errors = self.get_normalized_yaml(candidate, settings)

ansiblelater/rules/CheckCompareToLiteralBool.py

@@ -1,4 +1,5 @@
 import re
+from typing import ClassVar
 
 from ansiblelater.candidate import Template
 from ansiblelater.standard import StandardBase
@@ -10,7 +11,7 @@ class CheckCompareToLiteralBool(StandardBase):
     description = "Don't compare to True or False"
     helptext = ("use `when: var` rather than `when: var == True` (or conversely `when: not var`)")
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         yamllines, errors = self.get_normalized_yaml(candidate, settings)

ansiblelater/rules/CheckDeprecated.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -7,7 +9,7 @@ class CheckDeprecated(StandardBase):
     description = "Deprecated features should not be used"
     helptext = "'{old}' is deprecated and should not be used anymore. Use '{new}' instead."
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings, full=True)

ansiblelater/rules/CheckDeprecatedBareVars.py

@@ -19,6 +19,7 @@
 # THE SOFTWARE.
 
 import os
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 from ansiblelater.utils import has_glob, has_jinja
@@ -33,7 +34,7 @@ class CheckDeprecatedBareVars(StandardBase):
         "or be converted to a list"
     )
     version = "0.3"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, self.errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckFilePermissionMissing.py

@@ -18,6 +18,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 import re
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -31,9 +32,9 @@ class CheckFilePermissionMissing(StandardBase):
         "to avoid unexpected file permissions"
     )
     version = "0.2"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
-    _modules = {
+    _modules: ClassVar[dict] = {
         "archive",
         "assemble",
         "copy",
@@ -41,7 +42,7 @@ class CheckFilePermissionMissing(StandardBase):
         "replace",
         "template",
     }
-    _create_modules = {
+    _create_modules: ClassVar[dict[str, bool]] = {
         "blockinfile": False,
         "htpasswd": True,
         "ini_file": True,

ansiblelater/rules/CheckFilePermissionOctal.py

@@ -18,6 +18,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -27,7 +29,7 @@ class CheckFilePermissionOctal(StandardBase):
     description = "Octal file permissions must contain leading zero or be a string"
     helptext = "numeric file permissions without leading zero can behave in unexpected ways"
     version = "0.2"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckFilterSeparation.py

@@ -1,4 +1,5 @@
 import re
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -9,7 +10,8 @@ class CheckFilterSeparation(StandardBase):
     description = "Jinja2 filters should be separated with spaces"
     helptext = "no suitable numbers of spaces (required: 1)"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars"]
+    types: ClassVar[list[str]
+                   ] = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars"]
 
     def check(self, candidate, settings):
         yamllines, errors = self.get_normalized_yaml(candidate, settings)

ansiblelater/rules/CheckGitHasVersion.py

@@ -18,6 +18,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -27,7 +29,7 @@ class CheckGitHasVersion(StandardBase):
     description = "Git checkouts should use explicit version"
     helptext = "git checkouts should point to an explicit commit or tag, not `latest`"
     version = "0.2"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckInstallUseLatest.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -7,7 +9,7 @@ class CheckInstallUseLatest(StandardBase):
     description = "Package installs should use present, not latest"
     helptext = "package installs should use `state=present` with or without a version"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckLiteralBoolFormat.py

@@ -1,4 +1,5 @@
 import re
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -9,7 +10,8 @@ class CheckLiteralBoolFormat(StandardBase):
     description = "Literal bools should be consistent"
     helptext = "literal bools should be written as `{bools}`"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars"]
+    types: ClassVar[list[str]
+                   ] = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars"]
 
     def check(self, candidate, settings):
         yamllines, errors = self.get_normalized_yaml(candidate, settings)

ansiblelater/rules/CheckLocalAction.py

@@ -1,5 +1,7 @@
 # Copyright (c) 2016, Tsukinowa Inc. <info@tsukinowa.jp>
 # Copyright (c) 2018, Ansible Project
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -9,7 +11,7 @@ class CheckLocalAction(StandardBase):
     description = "Don't use local_action"
     helptext = ("`delegate_to: localhost` should be used instead of `local_action`")
     version = "0.2"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         yamllines, errors = self.get_normalized_yaml(candidate, settings)

ansiblelater/rules/CheckMetaChangeFromDefault.py

@@ -1,4 +1,6 @@
 # Copyright (c) 2018, Ansible Project
+from typing import ClassVar
+
 from nested_lookup import nested_lookup
 
 from ansiblelater.standard import StandardBase
@@ -10,7 +12,7 @@ class CheckMetaChangeFromDefault(StandardBase):
     description = "Roles meta/main.yml default values should be changed"
     helptext = "meta/main.yml default values should be changed for: `{field}`"
     version = "0.2"
-    types = ["meta"]
+    types: ClassVar[list[str]] = ["meta"]
 
     def check(self, candidate, settings):
         content, errors = self.get_raw_yaml(candidate, settings)

ansiblelater/rules/CheckMetaMain.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from nested_lookup import nested_lookup
 
 from ansiblelater.standard import StandardBase
@@ -9,7 +11,7 @@ class CheckMetaMain(StandardBase):
     description = "Roles must contain suitable meta/main.yml"
     helptext = "file should contain `{key}` key"
     version = "0.1"
-    types = ["meta"]
+    types: ClassVar[list[str]] = ["meta"]
 
     def check(self, candidate, settings):
         content, errors = self.get_raw_yaml(candidate, settings)

ansiblelater/rules/CheckNameFormat.py

@@ -1,4 +1,5 @@
 from collections import defaultdict
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -9,7 +10,7 @@ class CheckNameFormat(StandardBase):
     description = "Name of tasks and handlers must be formatted"
     helptext = "name '{name}' should start with uppercase"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckNamedTask.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -7,7 +9,7 @@ class CheckNamedTask(StandardBase):
     description = "Tasks and handlers must be named"
     helptext = "module '{module}' used without or empty `name` attribute"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckNativeYaml.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -7,7 +9,7 @@ class CheckNativeYaml(StandardBase):
     description = "Use YAML format for tasks and handlers rather than key=value"
     helptext = "task arguments appear to be in key value rather than YAML format"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_action_tasks(candidate, settings)

ansiblelater/rules/CheckNestedJinja.py

@@ -20,6 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 import re
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -33,7 +34,8 @@ class CheckNestedJinja(StandardBase):
         "like `{{ list_one + {{ list_two | max }} }}`"
     )
     version = "0.2"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars"]
+    types: ClassVar[list[str]
+                   ] = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars"]
 
     def check(self, candidate, settings):
         yamllines, errors = self.get_normalized_yaml(candidate, settings)

ansiblelater/rules/CheckRelativeRolePaths.py

@@ -1,5 +1,7 @@
 # Copyright (c) 2016, Tsukinowa Inc. <info@tsukinowa.jp>
 # Copyright (c) 2018, Ansible Project
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -9,7 +11,7 @@ class CheckRelativeRolePaths(StandardBase):
     description = "Don't use a relative path in a role"
     helptext = "`copy` and `template` modules don't need relative path for `src`"
     version = "0.2"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckScmInSrc.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansible.parsing.yaml.objects import AnsibleMapping
 
 from ansiblelater.standard import StandardBase
@@ -9,7 +11,7 @@ class CheckScmInSrc(StandardBase):
     description = "Use `scm:` key rather than `src: scm+url`"
     helptext = "usage of `src: scm+url` not recommended"
     version = "0.1"
-    types = ["rolesfile"]
+    types: ClassVar[list[str]] = ["rolesfile"]
 
     def check(self, candidate, settings):
         roles, errors = self.get_tasks(candidate, settings)

ansiblelater/rules/CheckShellInsteadCommand.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -7,7 +9,7 @@ class CheckShellInsteadCommand(StandardBase):
     description = "Shell should only be used when essential"
     helptext = "shell should only be used when piping, redirecting or chaining commands"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckTaskSeparation.py

@@ -1,5 +1,6 @@
 import re
 from collections import defaultdict
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -10,7 +11,7 @@ class CheckTaskSeparation(StandardBase):
     description = "Single tasks should be separated by empty line"
     helptext = "missing task separation (required: 1 empty line)"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         options = defaultdict(dict)

ansiblelater/rules/CheckUniqueNamedTask.py

@@ -1,4 +1,5 @@
 from collections import defaultdict
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -9,7 +10,7 @@ class CheckUniqueNamedTask(StandardBase):
     description = "Tasks and handlers must be uniquely named within a single file"
     helptext = "name '{name}' appears multiple times"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckVersion.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -6,7 +8,8 @@ class CheckVersion(StandardBase):
     sid = "ANSIBLE9998"
     description = "Standards version should be pinned"
     helptext = "Standards version not set. Using latest standards version {version}"
-    types = ["task", "handler", "rolevars", "meta", "template", "file", "playbook"]
+    types: ClassVar[list[str]
+                   ] = ["task", "handler", "rolevars", "meta", "template", "file", "playbook"]
 
     def check(self, candidate, settings):  # noqa
         errors = []

ansiblelater/rules/CheckWhenFormat.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -10,7 +12,7 @@ class CheckWhenFormat(StandardBase):
         "should be removed from variable(s)"
     )
     version = "0.2"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         tasks, errors = self.get_normalized_tasks(candidate, settings)

ansiblelater/rules/CheckYamlColons.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -6,7 +8,9 @@ class CheckYamlColons(StandardBase):
     sid = "LINT0005"
     description = "YAML should use consistent number of spaces around colons"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"]
+    types: ClassVar[list[str]] = [
+        "playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"
+    ]
 
     def check(self, candidate, settings):
         options = f"rules: {{colons: {settings['yamllint']['colons']}}}"

ansiblelater/rules/CheckYamlDocumentEnd.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -6,7 +8,9 @@ class CheckYamlDocumentEnd(StandardBase):
     sid = "LINT0009"
     description = "YAML should contain document end marker"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"]
+    types: ClassVar[list[str]] = [
+        "playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"
+    ]
 
     def check(self, candidate, settings):
         options = f"rules: {{document-end: {settings['yamllint']['document-end']}}}"

ansiblelater/rules/CheckYamlDocumentStart.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -6,7 +8,9 @@ class CheckYamlDocumentStart(StandardBase):
     sid = "LINT0004"
     description = "YAML should contain document start marker"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"]
+    types: ClassVar[list[str]] = [
+        "playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"
+    ]
 
     def check(self, candidate, settings):
         options = f"rules: {{document-start: {settings['yamllint']['document-start']}}}"

ansiblelater/rules/CheckYamlEmptyLines.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -6,7 +8,9 @@ class CheckYamlEmptyLines(StandardBase):
     sid = "LINT0001"
     description = "YAML should not contain unnecessarily empty lines"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"]
+    types: ClassVar[list[str]] = [
+        "playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"
+    ]
 
     def check(self, candidate, settings):
         options = f"rules: {{empty-lines: {settings['yamllint']['empty-lines']}}}"

ansiblelater/rules/CheckYamlFile.py

@@ -1,4 +1,5 @@
 import os
+from typing import ClassVar
 
 from ansiblelater.standard import StandardBase
 
@@ -9,7 +10,7 @@ class CheckYamlFile(StandardBase):
     description = "Roles file should be in yaml format"
     helptext = "file does not have a .yml extension"
     version = "0.1"
-    types = ["playbook", "task", "handler"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler"]
 
     def check(self, candidate, settings):
         errors = []

ansiblelater/rules/CheckYamlHasContent.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -7,7 +9,7 @@ class CheckYamlHasContent(StandardBase):
     description = "Files should contain useful content"
     helptext = "the file appears to have no useful content"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "defaults", "meta"]
+    types: ClassVar[list[str]] = ["playbook", "task", "handler", "rolevars", "defaults", "meta"]
 
     def check(self, candidate, settings):
         yamllines, errors = self.get_normalized_yaml(candidate, settings)

ansiblelater/rules/CheckYamlHyphens.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -6,7 +8,9 @@ class CheckYamlHyphens(StandardBase):
     sid = "LINT0003"
     description = "YAML should use consistent number of spaces after hyphens"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"]
+    types: ClassVar[list[str]] = [
+        "playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"
+    ]
 
     def check(self, candidate, settings):
         options = f"rules: {{hyphens: {settings['yamllint']['hyphens']}}}"

ansiblelater/rules/CheckYamlIndent.py

@@ -1,3 +1,5 @@
+from typing import ClassVar
+
 from ansiblelater.standard import StandardBase
 
 
@@ -6,7 +8,9 @@ class CheckYamlIndent(StandardBase):
     sid = "LINT0002"
     description = "YAML should not contain unnecessarily empty lines"
     version = "0.1"
-    types = ["playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"]
+    types: ClassVar[list[str]] = [
+        "playbook", "task", "handler", "rolevars", "hostvars", "groupvars", "meta"
+    ]
 
     def check(self, candidate, settings):
         options = f"rules: {{document-start: {settings['yamllint']['document-start']}}}"

ansiblelater/standard.py

@@ -304,7 +304,7 @@ class StandardBase(metaclass=StandardExtendedMeta):
             return "\n".join([f"{self.candidate}:{error}" for error in self.errors])
 
 
-class StandardLoader():
+class StandardLoader:
 
     def __init__(self, source):
         self.rules = []

ansiblelater/utils/__init__.py

@@ -5,6 +5,7 @@ import re
 import sys
 from contextlib import suppress
 from distutils.version import LooseVersion
+from typing import ClassVar
 
 import yaml
 
@@ -114,7 +115,7 @@ def sysexit_with_message(msg, code=1):
 class Singleton(type):
     """Meta singleton class."""
 
-    _instances = {}
+    _instances: ClassVar[dict] = {}
 
     def __call__(cls, *args, **kwargs):
         if cls not in cls._instances:

ansiblelater/utils/yamlhelper.py

@@ -209,11 +209,10 @@ def template(basedir, value, variables, fail_on_undefined=False, **kwargs):
     # Hack to skip the following exception when using to_json filter on a variable.
     # I guess the filter doesn't like empty vars...
     with suppress(AnsibleError, ValueError):
-        value = ansible_template(
+        return ansible_template(
             os.path.abspath(basedir), value, variables,
             **dict(kwargs, fail_on_undefined=fail_on_undefined)
         )
-    return value
 
 
 def play_children(basedir, item, parent_type):
@@ -373,8 +372,7 @@ def rolename(filepath):
     if idx < 0:
         return ""
     role = filepath[idx + 6:]
-    role = role[:role.find("/")]
+    return role[:role.find("/")]
-    return role
 
 
 def _kv_to_dict(v):