diff --git a/Libraries/LibWeb/CMakeLists.txt b/Libraries/LibWeb/CMakeLists.txt
index 421ecbd3d79..51f5b03bedb 100644
--- a/Libraries/LibWeb/CMakeLists.txt
+++ b/Libraries/LibWeb/CMakeLists.txt
@@ -951,7 +951,7 @@ set(SOURCES
 compile_ipc(Worker/WebWorkerClient.ipc Worker/WebWorkerClientEndpoint.h)
 compile_ipc(Worker/WebWorkerServer.ipc Worker/WebWorkerServerEndpoint.h)
 
-invoke_generator(
+invoke_cpp_generator(
     "AriaRoles.cpp"
     Lagom::GenerateAriaRoles
     "${CMAKE_CURRENT_SOURCE_DIR}/ARIA/AriaRoles.json"
@@ -964,7 +964,7 @@ generate_css_implementation()
 
 generate_html_implementation()
 
-invoke_generator(
+invoke_cpp_generator(
     "WebGLRenderingContextImpl.cpp"
     Lagom::GenerateWebGLRenderingContext
     "${CMAKE_CURRENT_SOURCE_DIR}/WebGL/WebGLRenderingContextBase.idl"
@@ -976,7 +976,7 @@ invoke_generator(
     dependencies WebGL/WebGLRenderingContextBase.idl WebGL/WebGLRenderingContextOverloads.idl CSS/GeneratedCSSStyleProperties.idl
 )
 
-invoke_generator(
+invoke_cpp_generator(
     "WebGL2RenderingContextImpl.cpp"
     Lagom::GenerateWebGLRenderingContext
     "${CMAKE_CURRENT_SOURCE_DIR}/WebGL/WebGL2RenderingContextBase.idl"
diff --git a/Meta/CMake/libweb_generators.cmake b/Meta/CMake/libweb_generators.cmake
index 1e364ccde0d..1a59912c7b4 100644
--- a/Meta/CMake/libweb_generators.cmake
+++ b/Meta/CMake/libweb_generators.cmake
@@ -2,7 +2,7 @@ function (generate_css_implementation)
     set(LIBWEB_INPUT_FOLDER "${CMAKE_CURRENT_SOURCE_DIR}")
 
 
-    invoke_generator(
+    invoke_cpp_generator(
         "DescriptorID.cpp"
         Lagom::GenerateCSSDescriptors
         "${LIBWEB_INPUT_FOLDER}/CSS/Descriptors.json"
@@ -11,7 +11,7 @@ function (generate_css_implementation)
         arguments -j "${LIBWEB_INPUT_FOLDER}/CSS/Descriptors.json"
     )
 
-    invoke_generator(
+    invoke_cpp_generator(
         "Enums.cpp"
         Lagom::GenerateCSSEnums
         "${LIBWEB_INPUT_FOLDER}/CSS/Enums.json"
@@ -20,7 +20,7 @@ function (generate_css_implementation)
         arguments -j "${LIBWEB_INPUT_FOLDER}/CSS/Enums.json"
     )
 
-    invoke_generator(
+    invoke_cpp_generator(
         "MathFunctions.cpp"
         Lagom::GenerateCSSMathFunctions
         "${LIBWEB_INPUT_FOLDER}/CSS/MathFunctions.json"
@@ -29,7 +29,7 @@ function (generate_css_implementation)
         arguments -j "${LIBWEB_INPUT_FOLDER}/CSS/MathFunctions.json"
     )
 
-    invoke_generator(
+    invoke_cpp_generator(
         "MediaFeatureID.cpp"
         Lagom::GenerateCSSMediaFeatureID
         "${LIBWEB_INPUT_FOLDER}/CSS/MediaFeatures.json"
@@ -38,7 +38,7 @@ function (generate_css_implementation)
         arguments -j "${LIBWEB_INPUT_FOLDER}/CSS/MediaFeatures.json"
     )
 
-    invoke_generator(
+    invoke_cpp_generator(
         "PropertyID.cpp"
         Lagom::GenerateCSSPropertyID
         "${LIBWEB_INPUT_FOLDER}/CSS/Properties.json"
@@ -47,7 +47,7 @@ function (generate_css_implementation)
         arguments -j "${LIBWEB_INPUT_FOLDER}/CSS/Properties.json"
     )
 
-    invoke_generator(
+    invoke_cpp_generator(
         "PseudoClass.cpp"
         Lagom::GenerateCSSPseudoClass
         "${LIBWEB_INPUT_FOLDER}/CSS/PseudoClasses.json"
@@ -56,7 +56,7 @@ function (generate_css_implementation)
         arguments -j "${LIBWEB_INPUT_FOLDER}/CSS/PseudoClasses.json"
     )
 
-    invoke_generator(
+    invoke_cpp_generator(
         "PseudoElement.cpp"
         Lagom::GenerateCSSPseudoElement
         "${LIBWEB_INPUT_FOLDER}/CSS/PseudoElements.json"
@@ -65,7 +65,7 @@ function (generate_css_implementation)
         arguments -j "${LIBWEB_INPUT_FOLDER}/CSS/PseudoElements.json"
     )
 
-    invoke_generator(
+    invoke_cpp_generator(
         "TransformFunctions.cpp"
         Lagom::GenerateCSSTransformFunctions
         "${LIBWEB_INPUT_FOLDER}/CSS/TransformFunctions.json"
@@ -74,7 +74,7 @@ function (generate_css_implementation)
         arguments -j "${LIBWEB_INPUT_FOLDER}/CSS/TransformFunctions.json"
     )
 
-    invoke_generator(
+    invoke_cpp_generator(
         "Keyword.cpp"
         Lagom::GenerateCSSKeyword
         "${LIBWEB_INPUT_FOLDER}/CSS/Keywords.json"
@@ -154,7 +154,7 @@ endfunction()
 function (generate_html_implementation)
     set(LIBWEB_INPUT_FOLDER "${CMAKE_CURRENT_SOURCE_DIR}")
 
-    invoke_generator(
+    invoke_cpp_generator(
         "NamedCharacterReferences.cpp"
         Lagom::GenerateNamedCharacterReferences
         "${LIBWEB_INPUT_FOLDER}/HTML/Parser/Entities.json"
diff --git a/Meta/CMake/public_suffix.cmake b/Meta/CMake/public_suffix.cmake
index 42a8377692f..d835377bbf0 100644
--- a/Meta/CMake/public_suffix.cmake
+++ b/Meta/CMake/public_suffix.cmake
@@ -13,7 +13,7 @@ if (ENABLE_PUBLIC_SUFFIX_DOWNLOAD)
     else()
         message(STATUS "Skipping download of ${PUBLIC_SUFFIX_DATA_URL}, expecting it to be in ${PUBLIC_SUFFIX_DATA_PATH}")
     endif()
-    invoke_generator(
+    invoke_cpp_generator(
         "PublicSuffixData"
         Lagom::GeneratePublicSuffixData
         "${PUBLIC_SUFFIX_PATH}/"
diff --git a/Meta/CMake/utils.cmake b/Meta/CMake/utils.cmake
index 13490298adc..7c61f82689f 100644
--- a/Meta/CMake/utils.cmake
+++ b/Meta/CMake/utils.cmake
@@ -40,17 +40,16 @@ function(remove_path_if_version_changed version version_file cache_path)
     endif()
 endfunction()
 
-function(invoke_generator name generator primary_source header implementation)
-    cmake_parse_arguments(invoke_generator "" "" "arguments;dependencies" ${ARGN})
-
+function(invoke_generator_impl name generator primary_source header implementation)
+    cmake_parse_arguments(invoke_generator_impl "" "" "command;arguments;dependencies" ${ARGN})
     add_custom_command(
         OUTPUT "${header}" "${implementation}"
-        COMMAND $<TARGET_FILE:${generator}> -h "${header}.tmp" -c "${implementation}.tmp" ${invoke_generator_arguments}
+        COMMAND ${invoke_generator_impl_command} ${generator} -h "${header}.tmp" -c "${implementation}.tmp" ${invoke_generator_impl_arguments}
         COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${header}.tmp" "${header}"
         COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${implementation}.tmp" "${implementation}"
         COMMAND "${CMAKE_COMMAND}" -E remove "${header}.tmp" "${implementation}.tmp"
         VERBATIM
-        DEPENDS ${generator} ${invoke_generator_dependencies} "${primary_source}"
+        DEPENDS ${generator} ${invoke_generator_impl_dependencies} "${primary_source}"
     )
 
     add_custom_target("generate_${name}" DEPENDS "${header}" "${implementation}")
@@ -59,6 +58,33 @@ function(invoke_generator name generator primary_source header implementation)
     set(CURRENT_LIB_GENERATED ${CURRENT_LIB_GENERATED} PARENT_SCOPE)
 endfunction()
 
+function(invoke_cpp_generator name generator primary_source header implementation)
+    cmake_parse_arguments(invoke_cpp_generator "" "" "arguments;dependencies" ${ARGN})
+    invoke_generator_impl(
+        ${name}
+        $<TARGET_FILE:${generator}>
+        ${primary_source}
+        ${header}
+        ${implementation}
+        arguments ${invoke_cpp_generator_arguments}
+        dependencies ${invoke_cpp_generator_dependencies}
+    )
+endfunction()
+
+function(invoke_py_generator name script primary_source header implementation)
+    cmake_parse_arguments(invoke_py_generator "" "" "arguments" ${ARGN})
+    find_package(Python3 REQUIRED COMPONENTS Interpreter)
+    invoke_generator_impl(
+        ${name}
+        "${SerenityOS_SOURCE_DIR}/Meta/${script}"
+        ${primary_source}
+        ${header}
+        ${implementation}
+        command ${Python3_EXECUTABLE}
+        arguments ${invoke_py_generator_arguments}
+    )
+endfunction()
+
 function(invoke_idl_generator cpp_name idl_name generator primary_source header implementation idl)
     cmake_parse_arguments(invoke_idl_generator "" "" "arguments;dependencies" ${ARGN})