Tweaked autodoc to skip :internal: methods.

docs/flaskdocext.py

@@ -0,0 +1,16 @@
+import re
+import inspect
+
+
+_internal_mark_re = re.compile(r'^\s*:internal:\s*$(?m)')
+
+
+def skip_member(app, what, name, obj, skip, options):
+    docstring = inspect.getdoc(obj)
+    if skip:
+        return True
+    return _internal_mark_re.search(docstring or '') is not None
+
+
+def setup(app):
+    app.connect('autodoc-skip-member', skip_member)