Upload improvements (#171)

* `upload --repo_id` -> `upload --repo-id`

Existing options use a dash rather than an underscore.

* Support uploading directly from the `build` or `result` directory

src/kernels/cli.py

@@ -1,6 +1,7 @@
 import argparse
 import dataclasses
 import json
+import re
 import sys
 from pathlib import Path
 
@@ -13,6 +14,8 @@ from kernels.utils import install_kernel, install_kernel_all_variants
 from .doc import generate_readme_for_kernel
 from .wheel import build_variant_to_wheel
 
+BUILD_VARIANT_REGEX = re.compile(r"^(torch\d+\d+|torch-universal)")
+
 
 def main():
     parser = argparse.ArgumentParser(
@@ -65,14 +68,14 @@ def main():
         help="Directory of the kernel build",
     )
     upload_parser.add_argument(
-        "--repo_id",
+        "--repo-id",
         type=str,
         help="Repository ID to use to upload to the Hugging Face Hub",
     )
     upload_parser.add_argument(
         "--branch",
         type=None,
-        help="If set, the upload will be made to a particular branch of the provided `repo_id`.",
+        help="If set, the upload will be made to a particular branch of the provided `repo-id`.",
     )
     upload_parser.add_argument(
         "--private",
@@ -206,11 +209,21 @@ def lock_kernels(args):
 def upload_kernels(args):
     # Resolve `kernel_dir` to be uploaded.
     kernel_dir = Path(args.kernel_dir).resolve()
-    build_dir = kernel_dir / "build"
-    if not kernel_dir.is_dir():
-        raise ValueError(f"{kernel_dir} is not a directory")
-    if not build_dir.is_dir():
-        raise ValueError("Couldn't find `build` directory inside `kernel_dir`")
+
+    build_dir = None
+    for candidate in [kernel_dir / "build", kernel_dir]:
+        variants = [
+            variant_path
+            for variant_path in candidate.glob("torch*")
+            if BUILD_VARIANT_REGEX.match(variant_path.name) is not None
+        ]
+        if variants:
+            build_dir = candidate
+            break
+    if build_dir is None:
+        raise ValueError(
+            f"Couldn't find any build variants in: {kernel_dir.absolute()} or {(kernel_dir / 'build').absolute()}"
+        )
 
     repo_id = create_repo(
         repo_id=args.repo_id, private=args.private, exist_ok=True