Sanitize the operation ids in a postprocess hook

docs/customization.rst

@@ -281,6 +281,7 @@ the choice ``Enum`` are consolidated into component objects. You can register ho
 
 .. note:: Please note that setting ``POSTPROCESSING_HOOKS`` will override the default. If you intend to
    keep the ``Enum`` hook, be sure to add ``'drf_spectacular.hooks.postprocess_schema_enums'`` back into the list.
+   The same applies to the ``Operation ID`` hook with ``'drf_spectacular.hooks.postprocess_sanitize_operation_id_uniqueness'``.
 
 Step 7: Preprocessing hooks
 ---------------------------

drf_spectacular/generators.py

@@ -15,7 +15,7 @@
 from drf_spectacular.plumbing import (
     ComponentRegistry, alpha_operation_sorter, build_root_object, camelize_operation, get_class,
     is_versioning_supported, modify_for_versioning, normalize_result_object,
-    operation_matches_version, process_webhooks, sanitize_result_object,
+    operation_matches_version, process_webhooks,
 )
 from drf_spectacular.settings import spectacular_settings
 
@@ -290,4 +290,4 @@ def get_schema(self, request=None, public=False):
         for hook in spectacular_settings.POSTPROCESSING_HOOKS:
             result = hook(result=result, generator=self, request=request, public=public)
 
-        return sanitize_result_object(normalize_result_object(result))
+        return normalize_result_object(result)

drf_spectacular/hooks.py

@@ -6,7 +6,7 @@
 
 from drf_spectacular.drainage import warn
 from drf_spectacular.plumbing import (
-    ResolvedComponent, list_hash, load_enum_name_overrides, safe_ref,
+    ResolvedComponent, list_hash, load_enum_name_overrides, safe_ref, sanitize_result_object,
 )
 from drf_spectacular.settings import spectacular_settings
 
@@ -197,6 +197,10 @@ def clean(sub_result):
     return result
 
 
+def postprocess_sanitize_operation_id_uniqueness(result, **kwargs):
+    return sanitize_result_object(result)
+
+
 def preprocess_exclude_path_format(endpoints, **kwargs):
     """
         preprocessing hook that filters out {format} suffixed paths, in case

drf_spectacular/settings.py

@@ -98,7 +98,8 @@
     # Postprocessing functions that run at the end of schema generation.
     # must satisfy interface result = hook(generator, request, public, result)
     'POSTPROCESSING_HOOKS': [
-        'drf_spectacular.hooks.postprocess_schema_enums'
+        'drf_spectacular.hooks.postprocess_schema_enums',
+        'drf_spectacular.hooks.postprocess_sanitize_operation_id_uniqueness',
     ],
 
     # Preprocessing functions that run before schema generation.