All the new CLI for api + stack work

llama_toolchain/cli/stack/build.py

@@ -0,0 +1,82 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+import argparse
+from typing import Dict
+
+from llama_toolchain.cli.subcommand import Subcommand
+from llama_toolchain.distribution.datatypes import *  # noqa: F403
+
+
+class StackBuild(Subcommand):
+    def __init__(self, subparsers: argparse._SubParsersAction):
+        super().__init__()
+        self.parser = subparsers.add_parser(
+            "build",
+            prog="llama stack build",
+            description="Build a Llama stack container",
+            formatter_class=argparse.RawTextHelpFormatter,
+        )
+        self._add_arguments()
+        self.parser.set_defaults(func=self._run_stack_build_command)
+
+    def _add_arguments(self):
+        from llama_toolchain.distribution.registry import available_distribution_specs
+        from llama_toolchain.distribution.package import (
+            BuildType,
+        )
+
+        allowed_ids = [d.distribution_id for d in available_distribution_specs()]
+        self.parser.add_argument(
+            "distribution",
+            type=str,
+            choices=allowed_ids,
+            help="Distribution to build (one of: {})".format(allowed_ids),
+        )
+
+        self.parser.add_argument(
+            "--name",
+            type=str,
+            help="Name of the build target (image, conda env)",
+            required=True,
+        )
+        self.parser.add_argument(
+            "--type",
+            type=str,
+            default="container",
+            choices=[v.value for v in BuildType],
+        )
+
+    def _run_stack_build_command(self, args: argparse.Namespace) -> None:
+        from llama_toolchain.distribution.registry import resolve_distribution_spec
+        from llama_toolchain.distribution.package import (
+            ApiInput,
+            BuildType,
+            build_package,
+        )
+
+        dist = resolve_distribution_spec(args.distribution)
+        if dist is None:
+            self.parser.error(f"Could not find distribution {args.distribution}")
+            return
+
+        api_inputs = []
+        for api, provider_id in dist.providers.items():
+            api_inputs.append(
+                ApiInput(
+                    api=api,
+                    provider=provider_id,
+                    dependencies={},
+                )
+            )
+
+        build_package(
+            api_inputs,
+            build_type=BuildType(args.type),
+            name=args.name,
+            distribution_id=args.distribution,
+            docker_image=dist.docker_image,
+        )