feat: build bento from an existing bento or a cpack file

nodes/api.py

@@ -20,7 +20,7 @@
 
 from comfy_pack.hash import async_batch_get_sha256
 from comfy_pack.model_helper import alookup_model_source
-from comfy_pack.utils import get_self_git_commit
+from comfy_pack.package import build_bento
 
 ZPath = Union[Path, zipfile.Path]
 TEMP_FOLDER = Path(__file__).parent.parent / "temp"
@@ -248,10 +248,7 @@ async def pack_workspace(request):
 
     with zipfile.ZipFile(TEMP_FOLDER / zip_filename, "w") as zf:
         path = zipfile.Path(zf)
-        await _prepare_bento_project(
-            path,
-            data,
-        )
+        await _prepare_pack(path, data)
 
     return web.json_response({"download_url": f"/bentoml/download/{zip_filename}"})
 
@@ -447,11 +444,11 @@ async def download_workspace(request):
     return web.FileResponse(TEMP_FOLDER / zip_filename)
 
 
-async def _prepare_bento_project(
+async def _prepare_pack(
     working_dir: ZPath,
     data: dict,
     store_models: bool = False,
-):
+) -> None:
     model_filter = set(data.get("models", []))
     models = await _get_models(
         store_models=store_models,
@@ -462,20 +459,6 @@ async def _prepare_bento_project(
     await _write_snapshot(working_dir, data, models)
     await _write_workflow(working_dir, data)
     await _write_inputs(working_dir, data)
-    with working_dir.joinpath("service.py").open("w") as f:
-        f.write(Path(__file__).with_name("service.py").read_text())
-
-    # Copy comfy_pack directory
-    if isinstance(working_dir, Path):
-        shutil.copytree(COMFY_PACK_DIR, working_dir / COMFY_PACK_DIR.name)
-    else:  # zipfile.Path
-        for src in COMFY_PACK_DIR.rglob("*"):
-            if src.is_file():
-                rel_path = src.relative_to(COMFY_PACK_DIR.parent)
-                with working_dir.joinpath(rel_path).open("wb") as f:
-                    f.write(src.read_bytes())
-    models = [m for m in models if not m["disabled"]]  # filter out disabled models
-    return models
 
 
 @PromptServer.instance.routes.post("/bentoml/model/query")
@@ -490,7 +473,7 @@ async def get_models(request):
 
 
 @PromptServer.instance.routes.post("/bentoml/build")
-async def build_bento(request):
+async def build_bento_api(request):
     """Request body: {
         workflow_api: dict,
         workflow: dict,
@@ -509,33 +492,12 @@ async def build_bento(request):
 
     with tempfile.TemporaryDirectory(suffix="-bento", prefix="comfy-pack-") as temp_dir:
         temp_dir_path = Path(temp_dir)
-        models = await _prepare_bento_project(temp_dir_path, data, store_models=True)
+        await _prepare_pack(temp_dir_path, data, store_models=True)
 
         # create a bento
         try:
-            bento = bentoml.build(
-                "service:ComfyService",
-                name=data["bento_name"],
-                build_ctx=temp_dir,
-                labels={"comfy-pack-version": get_self_git_commit() or "unknown"},
-                models=[m["model_tag"] for m in models if "model_tag" in m],
-                docker={
-                    "python_version": f"{sys.version_info.major}.{sys.version_info.minor}",
-                    "system_packages": [
-                        "git",
-                        "libglib2.0-0",
-                        "libsm6",
-                        "libxrender1",
-                        "libxext6",
-                        "ffmpeg",
-                        "libstdc++-12-dev",
-                        *data.get("system_packages", []),
-                    ],
-                    "setup_script": Path(__file__)
-                    .with_name("setup_workspace.py")
-                    .as_posix(),
-                },
-                python={"requirements_txt": "requirements.txt", "lock_packages": True},
+            bento = build_bento(
+                data["bento_name"], temp_dir_path, data.get("system_packages")
             )
         except bentoml.exceptions.BentoMLException as e:
             return web.json_response(

pyproject.toml

@@ -11,7 +11,6 @@ dependencies = [
     "bentoml>=1.3.13",
     "click>=8.1.7",
     "comfy-cli>=1.2.8",
-    "pydantic>=2.9",
 ]
 dynamic = ["version"]
 

requirements.txt

@@ -2,4 +2,3 @@ bentoml
 fastapi
 comfy-cli
 duckduckgo-search
-uv

src/comfy_pack/cli.py

@@ -1,12 +1,15 @@
-import click
 import functools
 import json
-from pathlib import Path
+import os
 import shutil
 import subprocess
 import sys
 import tempfile
-from .const import WORKSPACE_DIR, COMFYUI_REPO, COMFY_PACK_REPO, COMFYUI_MANAGER_REPO
+from pathlib import Path
+
+import click
+
+from .const import COMFY_PACK_REPO, COMFYUI_MANAGER_REPO, COMFYUI_REPO, WORKSPACE_DIR
 from .hash import get_sha256
 from .utils import get_self_git_commit
 
@@ -50,9 +53,10 @@ def main():
     help="Increase verbosity level",
 )
 def init(dir: str, verbose: int):
-    from rich.console import Console
     import os
 
+    from rich.console import Console
+
     console = Console()
 
     # Check if directory path is valid
@@ -258,9 +262,10 @@ def init(dir: str, verbose: int):
     help="Increase verbosity level (use multiple times for more verbosity)",
 )
 def unpack_cmd(cpack: str, dir: str, include_disabled_models: bool, verbose: int):
-    from .package import install
     from rich.console import Console
 
+    from .package import install
+
     console = Console()
 
     install(cpack, dir, verbose=verbose, all_models=include_disabled_models)
@@ -276,8 +281,8 @@ def unpack_cmd(cpack: str, dir: str, include_disabled_models: bool, verbose: int
 
 
 def _print_schema(schema, verbose: int = 0):
-    from rich.table import Table
     from rich.console import Console
+    from rich.table import Table
 
     table = Table(title="")
 
@@ -335,10 +340,11 @@ def _get_cache_workspace(cpack: str):
 )
 @click.pass_context
 def run(ctx, cpack: str, output_dir: str, help: bool, verbose: int):
-    from .utils import generate_input_model
     from pydantic import ValidationError
     from rich.console import Console
 
+    from .utils import generate_input_model
+
     inputs = dict(
         zip([k.lstrip("-").replace("-", "_") for k in ctx.args[::2]], ctx.args[1::2])
     )
@@ -411,3 +417,39 @@ def run(ctx, cpack: str, output_dir: str, help: bool, verbose: int):
                 console.print(f"{i}: {value}")
         else:
             console.print(results)
+
+
+@main.command(name="build-bento")
+@click.option("--name", help="Name of the bento service")
+@click.option("--version", help="Version of the bento service")
+@click.argument("source")
+def bento_cmd(source: str, name: str | None, version: str | None):
+    """Build a bento from the source, which can be either a .cpack.zip file or a bento tag."""
+    import bentoml
+    from bentoml.bentos import BentoBuildConfig
+
+    from .package import build_bento
+
+    with tempfile.TemporaryDirectory() as temp_dir:
+        if source.endswith(".cpack.zip"):
+            name = name or os.path.basename(source).replace(".cpack.zip", "")
+            shutil.unpack_archive(source, temp_dir)
+            system_packages = None
+            include_default_system_packages = True
+        else:
+            existing_bento = bentoml.get(source)
+            name = name or existing_bento.tag.name
+            shutil.copytree(existing_bento.path, temp_dir, dirs_exist_ok=True)
+            build_config = BentoBuildConfig.from_bento_dir(
+                existing_bento.path_of("src")
+            )
+            system_packages = build_config.docker.system_packages
+            include_default_system_packages = False
+
+        build_bento(
+            name,
+            Path(temp_dir),
+            version=version,
+            system_packages=system_packages,
+            include_default_system_packages=include_default_system_packages,
+        )

src/comfy_pack/package.py

@@ -3,15 +3,23 @@
 import json
 import os
 import shutil
-import urllib.parse
 import subprocess
 import sys
 import tempfile
 import threading
+import urllib.parse
 import urllib.request
-from .hash import get_sha256
 from pathlib import Path
-from .const import MODEL_DIR, COMFYUI_REPO
+from typing import TYPE_CHECKING
+
+from .const import COMFYUI_REPO, MODEL_DIR
+from .hash import get_sha256
+from .utils import get_self_git_commit
+
+if TYPE_CHECKING:
+    import bentoml
+
+COMFY_PACK_DIR = Path(__file__).parent
 
 
 def _clone_commit(url: str, commit: str, dir: Path, verbose: int = 0):
@@ -238,7 +246,7 @@ def create_model_symlink(global_path: Path, sha: str, target_path: Path, filenam
     os.symlink(source, target)
 
 
-def retrive_models(
+def retrieve_models(
     snapshot: dict,
     workspace: Path,
     download: bool = True,
@@ -387,7 +395,7 @@ def install(
             elif f.is_dir():
                 shutil.copytree(f, workspace / "input" / f.name, dirs_exist_ok=True)
 
-        retrive_models(
+        retrieve_models(
             snapshot,
             workspace,
             verbose=verbose,
@@ -405,4 +413,61 @@ def install(
             ) as _:
                 pass
 
-        retrive_models(snapshot, workspace, verbose=verbose, all_models=all_models)
+        retrieve_models(snapshot, workspace, verbose=verbose, all_models=all_models)
+
+
+required_files = ["snapshot.json", "requirements.txt"]
+
+
+def build_bento(
+    bento_name: str,
+    source_dir: Path,
+    *,
+    version: str | None = None,
+    system_packages: list[str] | None = None,
+    include_default_system_packages: bool = True,
+) -> bentoml.Bento:
+    import bentoml
+
+    for f in required_files:
+        if not (source_dir / f).exists():
+            raise FileNotFoundError(f"Not a valid comfy-pack package: missing `{f}`")
+
+    if include_default_system_packages:
+        system_packages = [
+            "git",
+            "libglib2.0-0",
+            "libsm6",
+            "libxrender1",
+            "libxext6",
+            "ffmpeg",
+            "libstdc++-12-dev",
+            *(system_packages or []),
+        ]
+    else:
+        system_packages = system_packages or []
+
+    shutil.copy2(Path(__file__).with_name("service.py"), source_dir / "service.py")
+    # Copy comfy-pack package
+    shutil.copytree(
+        COMFY_PACK_DIR, source_dir / COMFY_PACK_DIR.name, dirs_exist_ok=True
+    )
+    snapshot = json.loads((source_dir / "snapshot.json").read_text())
+    return bentoml.build(
+        "service:ComfyService",
+        name=bento_name,
+        version=version,
+        build_ctx=str(source_dir),
+        labels={"comfy-pack-version": get_self_git_commit() or "unknown"},
+        models=[
+            m["model_tag"]
+            for m in snapshot["models"]
+            if "model_tag" in m and not m.get("disabled", False)
+        ],
+        docker={
+            "python_version": f"{sys.version_info.major}.{sys.version_info.minor}",
+            "system_packages": system_packages,
+            "setup_script": Path(__file__).with_name("setup_workspace.py").as_posix(),
+        },
+        python={"requirements_txt": "requirements.txt", "lock_packages": True},
+    )

nodes/service.py → src/comfy_pack/service.py

@@ -177,10 +177,8 @@ def prepare_models():
                 )
 
 
-if not EXISTING_COMFYUI_SERVER:
+if False and not EXISTING_COMFYUI_SERVER:
     for model in snapshot["models"]:
-        if True:
-            continue
         if model.get("disabled"):
             continue
         source = model["source"]