llama-stack-mirror/scripts/distro_codegen.py
Sébastien Han a8f75d3897
chore: remove dependencies.json (#2281)
# What does this PR do?
It's not used anywhere in the build process. Ancient artifact from an
old attempt of using sub packages to build distros.

## Test Plan
<!-- Describe the tests you ran to verify your changes with result
summaries. *Provide clear instructions so the plan can be easily
re-executed.* -->

N/A

Signed-off-by: Sébastien Han <seb@redhat.com>
2025-05-27 10:26:57 -07:00

141 lines
4.7 KiB
Python
Executable file

#!/usr/bin/env python
# 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 concurrent.futures
import importlib
import subprocess
import sys
from collections.abc import Iterable
from functools import partial
from pathlib import Path
from rich.progress import Progress, SpinnerColumn, TextColumn
from llama_stack.distribution.build import (
SERVER_DEPENDENCIES,
get_provider_dependencies,
)
REPO_ROOT = Path(__file__).parent.parent
class ChangedPathTracker:
"""Track a list of paths we may have changed."""
def __init__(self):
self._changed_paths = []
def add_paths(self, *paths):
for path in paths:
path = str(path)
if path not in self._changed_paths:
self._changed_paths.append(path)
def changed_paths(self):
return self._changed_paths
def find_template_dirs(templates_dir: Path) -> Iterable[Path]:
"""Find immediate subdirectories in the templates folder."""
if not templates_dir.exists():
raise FileNotFoundError(f"Templates directory not found: {templates_dir}")
return sorted(d for d in templates_dir.iterdir() if d.is_dir() and d.name != "__pycache__")
def process_template(template_dir: Path, progress, change_tracker: ChangedPathTracker) -> None:
"""Process a single template directory."""
progress.print(f"Processing {template_dir.name}")
try:
# Import the module directly
module_name = f"llama_stack.templates.{template_dir.name}"
module = importlib.import_module(module_name)
# Get and save the distribution template
if template_func := getattr(module, "get_distribution_template", None):
template = template_func()
yaml_output_dir = REPO_ROOT / "llama_stack" / "templates" / template.name
doc_output_dir = REPO_ROOT / "docs/source/distributions" / f"{template.distro_type}_distro"
change_tracker.add_paths(yaml_output_dir, doc_output_dir)
template.save_distribution(
yaml_output_dir=yaml_output_dir,
doc_output_dir=doc_output_dir,
)
else:
progress.print(f"[yellow]Warning: {template_dir.name} has no get_distribution_template function")
except Exception as e:
progress.print(f"[red]Error processing {template_dir.name}: {str(e)}")
raise e
def check_for_changes(change_tracker: ChangedPathTracker) -> bool:
"""Check if there are any uncommitted changes."""
has_changes = False
for path in change_tracker.changed_paths():
result = subprocess.run(
["git", "diff", "--exit-code", path],
cwd=REPO_ROOT,
capture_output=True,
)
if result.returncode != 0:
print(f"Change detected in '{path}'.", file=sys.stderr)
has_changes = True
return has_changes
def collect_template_dependencies(template_dir: Path) -> tuple[str | None, list[str]]:
try:
module_name = f"llama_stack.templates.{template_dir.name}"
module = importlib.import_module(module_name)
if template_func := getattr(module, "get_distribution_template", None):
template = template_func()
normal_deps, special_deps = get_provider_dependencies(template)
# Combine all dependencies in order: normal deps, special deps, server deps
all_deps = sorted(set(normal_deps + SERVER_DEPENDENCIES)) + sorted(set(special_deps))
return template.name, all_deps
except Exception:
return None, []
return None, []
def main():
templates_dir = REPO_ROOT / "llama_stack" / "templates"
change_tracker = ChangedPathTracker()
with Progress(
SpinnerColumn(),
TextColumn("[progress.description]{task.description}"),
) as progress:
template_dirs = list(find_template_dirs(templates_dir))
task = progress.add_task("Processing distribution templates...", total=len(template_dirs))
# Create a partial function with the progress bar
process_func = partial(process_template, progress=progress, change_tracker=change_tracker)
# Process templates in parallel
with concurrent.futures.ThreadPoolExecutor() as executor:
# Submit all tasks and wait for completion
list(executor.map(process_func, template_dirs))
progress.update(task, advance=len(template_dirs))
if check_for_changes(change_tracker):
print(
"Distribution template changes detected. Please commit the changes.",
file=sys.stderr,
)
sys.exit(1)
sys.exit(0)
if __name__ == "__main__":
main()