style: limit line length to 79 characters

Limited the lengths of all lines to 79 characters (if possible).
Additionally, some other lines were breaked for consistence.

src/jcloud_docsgen/core/python/namespaces.py

@@ -13,7 +13,11 @@
 # limitations under the License.
 
 from __future__ import annotations
-from ...exceptions import InvalidNamespaceError, NamespaceNotFoundError, NamespaceExistsError
+from ...exceptions import (
+    InvalidNamespaceError,
+    NamespaceNotFoundError,
+    NamespaceExistsError
+)
 from ...utils import assert_that_is_instance
 from typing import Union, TypeAlias, Dict, List
 
@@ -34,14 +38,23 @@ class PythonNamespace:
         assert_that_is_instance(name, str)
 
         if not name.strip():
-            raise InvalidNamespaceError('invalid namespace', namespace_identifier = name)
+            raise InvalidNamespaceError(
+                'invalid namespace',
+                namespace_identifier = name
+            )
 
         self.name = name
 
     def __repr__(self) -> str:
         return f'{type(self).__name__}({self.name!r})'
 
-PythonPackageNamespaceDictType: TypeAlias = Dict[str, Union[str, 'PythonPackageNamespaceDictType']]
+PythonPackageNamespaceDictType: TypeAlias = Dict[
+    str,
+    Union[
+        str,
+        'PythonPackageNamespaceDictType'
+    ]
+]
 
 class PythonPackageNamespace(PythonNamespace):
     '''
@@ -53,7 +66,11 @@ class PythonPackageNamespace(PythonNamespace):
     :type sub_namespaces: list[PythonNamespace]
     '''
 
-    def __init__(self, name: str, sub_namespaces: List[PythonNamespace]) -> None:
+    def __init__(
+        self,
+        name: str,
+        sub_namespaces: List[PythonNamespace]
+    ) -> None:
         assert_that_is_instance(sub_namespaces, list)
 
         super().__init__(name)
@@ -94,7 +111,10 @@ class PythonPackageNamespace(PythonNamespace):
         else:
             return sub_namespace
 
-    def _sub_namespaces_names(self, package: PythonPackageNamespace) -> PythonPackageNamespaceDictType:
+    def _sub_namespaces_names(
+        self,
+        package: PythonPackageNamespace
+    ) -> PythonPackageNamespaceDictType:
         '''
         Returns the names of all sub-namespaces of the specified package
         namespace and keeps the package structure.
@@ -107,7 +127,11 @@ class PythonPackageNamespace(PythonNamespace):
         '''
 
         return {
-            sn.name: self._sub_namespaces_names(sn) if isinstance(sn, PythonPackageNamespace) else sn.name
+            sn.name: (
+                self._sub_namespaces_names(sn)
+                if isinstance(sn, PythonPackageNamespace)
+                else sn.name
+            )
             for sn in package._sub_namespaces
         }
     
@@ -151,7 +175,10 @@ class PythonPackageNamespace(PythonNamespace):
             if sub.name == name:
                 return sub
 
-        raise NamespaceNotFoundError('no such namespace', namespace_identifier = name)
+        raise NamespaceNotFoundError(
+            'no such namespace',
+            namespace_identifier = name
+        )
     
     def add(self, namespace: PythonNamespace) -> None:
         '''
@@ -166,7 +193,10 @@ class PythonPackageNamespace(PythonNamespace):
         '''
         try:
             self.__getitem__(namespace.name)
-            raise NamespaceExistsError('namespace already exists', namespace_identifier = namespace.name)
+            raise NamespaceExistsError(
+                'namespace already exists',
+                namespace_identifier = namespace.name
+            )
         except NamespaceNotFoundError:
             self._sub_namespaces.append(namespace)