feat(shuttle): use .oas from user projects when available

shuttle.py

@@ -7,6 +7,7 @@
 
 import brotli  # type: ignore
 import git
+import klayout.db as pya
 import yaml
 
 from config import Config
@@ -29,6 +30,14 @@ def copy_print_decompress(src: str, dest: str):
     logging.info(f"  -> {dest} (decompressed)")
 
 
+def copy_print_convert(src: str, dest: str):
+    os.makedirs(os.path.dirname(dest), exist_ok=True)
+    layout = pya.Layout()
+    layout.read(src)
+    layout.write(dest)
+    logging.info(f"  -> {dest} (converted)")
+
+
 def copy_print_glob(pattern: str, dest_dir: str):
     for file in glob.glob(pattern):
         copy_print(file, os.path.join(dest_dir, os.path.basename(file)))
@@ -203,6 +212,12 @@ def copy_macros(self):
             copy_print_decompress(
                 file, os.path.join("tt-multiplexer/ol2/tt_top/gds", decompressed_name)
             )
+        # Convert .oas files to .gds
+        for file in glob.glob("projects/*/*.oas"):
+            converted_name = os.path.splitext(os.path.basename(file))[0] + ".gds"
+            copy_print_convert(
+                file, os.path.join("tt-multiplexer/ol2/tt_top/gds", converted_name)
+            )
         copy_print_glob("projects/*/*.lef", "tt-multiplexer/ol2/tt_top/lef")
         copy_print_glob("projects/*/*.v", "tt-multiplexer/ol2/tt_top/verilog")
         macros = ["tt_um_chip_rom", "tt_ctrl", "tt_mux"]