Regsiter API handlers automatically

example/ck_tile/01_fmha/generate.py

@@ -5,25 +5,29 @@
 import argparse
 from enum import IntEnum
 from pathlib import Path
+import pkgutil
+import sys
 from typing import List, Optional
 
+import codegen.ops
 from codegen.cmake_config import *
-from codegen.ops import (
-    fmha_fwd,
-    fmha_fwd_splitkv,
-    fmha_bwd
-)
-
 
 class HandlerId(IntEnum):
     LIST_BLOBS = 0
     WRITE_BLOBS = 1
 
-handlers = {
-    'fwd'         : (fmha_fwd.list_blobs, fmha_fwd.write_blobs),
-    'fwd_splitkv' : (fmha_fwd_splitkv.list_blobs, fmha_fwd_splitkv.write_blobs),
-    'bwd'         : (fmha_bwd.list_blobs, fmha_bwd.write_blobs),
-}
+# inspect all modules under 'codegen.ops' and register API handlers 
+ops = []
+for importer, module_name, _ in pkgutil.iter_modules(codegen.ops.__path__):
+    full_module_name = '%s.%s' % (codegen.ops.__name__, module_name)
+    if full_module_name not in sys.modules:
+        ops.append(importer.find_module(module_name).load_module(module_name))
+unwanted_prefix = 'fmha_'
+handlers = dict(
+    [(op.__name__[len(unwanted_prefix):] if op.__name__.startswith(unwanted_prefix) else op.__name__,
+        (op.list_blobs, op.write_blobs)) for op in ops]
+)
+assert 0 < len(handlers)
 
 def write_blobs(output_dir: Optional[str], api_list : List[str], kernel_filter : Optional[str], receipt, mask_impl) -> None:
     if output_dir is None: