Preserve admonition fence nesting

Author: NiklasRosenstein

src/pydoc_markdown/contrib/processors/google.py

@@ -202,25 +202,27 @@ def _format_section(self, keyword: str, raw_lines: t.List[str]) -> t.List[str]:
                 codeblock_indent = min(max(section_indent - preserve_indent, 0), self._get_indentation(raw_line))
                 rebased = self._remove_indentation(raw_line, codeblock_indent).rstrip()
                 rebased_indent = self._get_indentation(rebased)
-                list_content_indent: t.Optional[int] = None
+                container_content_indent: t.Optional[int] = None
                 for previous_index in range(len(result) - 1, -1, -1):
                     previous = result[previous_index]
                     if not previous.strip():
                         continue
                     previous_indent = self._get_indentation(previous)
                     if previous_indent > rebased_indent:
                         continue
+                    is_nested = self._get_indentation(raw_line) > self._get_indentation(raw_lines[previous_index])
                     list_match = re.match(r"^\s*(?:[-+*]|\d{1,9}[.)])(?:[ \t]+|$)", previous)
-                    if list_match and self._get_indentation(raw_line) > self._get_indentation(
-                        raw_lines[previous_index]
-                    ):
-                        list_content_indent = len(list_match.group().expandtabs(4))
+                    if list_match and is_nested:
+                        container_content_indent = len(list_match.group().expandtabs(4))
                         if list_match.end() == len(previous):
-                            list_content_indent += 1
+                            container_content_indent += 1
+                    admonition_match = re.match(r"^\s*(?:!!!|\?{3}\+?)(?:[ \t]+|$)", previous)
+                    if admonition_match and is_nested:
+                        container_content_indent = previous_indent + 4
                     break
                 codeblock_prefix = (
-                    " " * max(list_content_indent - rebased_indent, 0)
-                    if list_content_indent is not None and rebased_indent
+                    " " * max(container_content_indent - rebased_indent, 0)
+                    if container_content_indent is not None and rebased_indent
                     else ""
                 )
                 result.append(codeblock_prefix + rebased)

test/processors/test_google.py

@@ -331,3 +331,11 @@ def test_google_processor_keeps_blockquoted_fence_sibling_to_list():
         "Examples:\n    - Plain item\n    > ```python\n    > print('quoted')\n    > ```",
         "**Examples**:\n\n  - Plain item\n  > ```python\n  > print('quoted')\n  > ```",
     )
+
+
+def test_google_processor_preserves_admonition_fence_nesting():
+    assert_processor_result(
+        GoogleProcessor(),
+        "Examples:\n    !!! note\n        ```python\n        print('nested')\n        ```",
+        "**Examples**:\n\n  !!! note\n      ```python\n      print('nested')\n      ```",
+    )