fix invokeai-configure to use isolated argument-parsing pattern

invokeai/frontend/install/invokeai_configure.py

@@ -2,6 +2,59 @@
 Wrapper for invokeai.backend.configure.invokeai_configure
 """
 
-from ...backend.install.invokeai_configure import main as invokeai_configure  # noqa: F401
+import argparse
 
-__all__ = ["invokeai_configure"]
+
+def run_configure() -> None:
+    # Before doing _anything_, parse CLI args!
+    from invokeai.frontend.cli.arg_parser import InvokeAIArgs
+
+    parser = argparse.ArgumentParser(description="InvokeAI model downloader")
+    parser.add_argument(
+        "--skip-sd-weights",
+        dest="skip_sd_weights",
+        action=argparse.BooleanOptionalAction,
+        default=False,
+        help="skip downloading the large Stable Diffusion weight files",
+    )
+    parser.add_argument(
+        "--skip-support-models",
+        dest="skip_support_models",
+        action=argparse.BooleanOptionalAction,
+        default=False,
+        help="skip downloading the support models",
+    )
+    parser.add_argument(
+        "--full-precision",
+        dest="full_precision",
+        action=argparse.BooleanOptionalAction,
+        type=bool,
+        default=False,
+        help="use 32-bit weights instead of faster 16-bit weights",
+    )
+    parser.add_argument(
+        "--yes",
+        "-y",
+        dest="yes_to_all",
+        action="store_true",
+        help='answer "yes" to all prompts',
+    )
+    parser.add_argument(
+        "--default_only",
+        action="store_true",
+        help="when --yes specified, only install the default model",
+    )
+    parser.add_argument(
+        "--root_dir",
+        dest="root",
+        type=str,
+        default=None,
+        help="path to root of install directory",
+    )
+
+    opt = parser.parse_args()
+    InvokeAIArgs.args = opt
+
+    from invokeai.backend.install.invokeai_configure import main as invokeai_configure
+
+    invokeai_configure(opt)