arcade-mcp/arcade/arcade/cli/new.py
2025-03-13 10:58:30 -07:00

143 lines
5 KiB
Python

import re
import shutil
from datetime import datetime
from importlib.metadata import version as get_version
from pathlib import Path
from typing import Optional
import typer
from jinja2 import Environment, FileSystemLoader, select_autoescape
from rich.console import Console
from arcade.worker.config.deployment import (
create_demo_deployment,
)
console = Console()
# Retrieve the installed version of arcade-ai
try:
ARCADE_VERSION = get_version("arcade-ai")
except Exception as e:
console.print(f"[red]Failed to get arcade-ai version: {e}[/red]")
ARCADE_VERSION = "0.0.0" # Default version if unable to fetch
TEMPLATE_IGNORE_PATTERN = re.compile(
r"(__pycache__|\.DS_Store|Thumbs\.db|\.git|\.svn|\.hg|\.vscode|\.idea|build|dist|.*\.egg-info|.*\.pyc|.*\.pyo)$"
)
def ask_question(question: str, default: Optional[str] = None) -> str:
"""
Ask a question via input() and return the answer.
"""
answer = typer.prompt(question, default=default)
if not answer and default:
return default
return str(answer)
def render_template(env: Environment, template_string: str, context: dict) -> str:
"""Render a template string with the given variables."""
template = env.from_string(template_string)
return template.render(context)
def write_template(path: Path, content: str) -> None:
"""Write content to a file."""
path.write_text(content, encoding="utf-8")
def create_package(env: Environment, template_path: Path, output_path: Path, context: dict) -> None:
"""Recursively create a new toolkit directory structure from jinja2 templates."""
if TEMPLATE_IGNORE_PATTERN.match(template_path.name):
return
try:
if template_path.is_dir():
folder_name = render_template(env, template_path.name, context)
new_dir_path = output_path / folder_name
new_dir_path.mkdir(parents=True, exist_ok=True)
for item in template_path.iterdir():
create_package(env, item, new_dir_path, context)
else:
# Render the file name
file_name = render_template(env, template_path.name, context)
with open(template_path, encoding="utf-8") as f:
content = f.read()
# Render the file content
content = render_template(env, content, context)
write_template(output_path / file_name, content)
except Exception as e:
console.print(f"[red]Failed to create package: {e}[/red]")
raise
def remove_toolkit(toolkit_directory: Path, toolkit_name: str) -> None:
"""Teardown logic for when creating a new toolkit fails."""
toolkit_path = toolkit_directory / toolkit_name
if toolkit_path.exists():
shutil.rmtree(toolkit_path)
def create_new_toolkit(output_directory: str) -> None:
"""Create a new toolkit from a template with user input."""
toolkit_directory = Path(output_directory)
while True:
name = ask_question("Name of the new toolkit?")
package_name = name if name.startswith("arcade_") else f"arcade_{name}"
# Check for illegal characters in the toolkit name
if re.match(r"^[\w_]+$", package_name):
toolkit_name = package_name.replace("arcade_", "", 1)
if (toolkit_directory / toolkit_name).exists():
console.print(f"[red]Toolkit {toolkit_name} already exists.[/red]")
continue
break
else:
console.print(
"[red]Toolkit name contains illegal characters. "
"Only alphanumeric characters and underscores are allowed. "
"Please try again.[/red]"
)
toolkit_description = ask_question("Description of the toolkit?")
toolkit_author_name = ask_question("Github owner username?")
toolkit_author_email = ask_question("Author's email?")
context = {
"package_name": package_name,
"toolkit_name": toolkit_name,
"toolkit_description": toolkit_description,
"toolkit_author_name": toolkit_author_name,
"toolkit_author_email": toolkit_author_email,
"arcade_version": f"^{ARCADE_VERSION}",
"creation_year": datetime.now().year,
}
template_directory = Path(__file__).parent.parent / "templates" / "{{ toolkit_name }}"
env = Environment(
loader=FileSystemLoader(str(template_directory)),
autoescape=select_autoescape(["html", "xml"]),
)
try:
create_package(env, template_directory, toolkit_directory, context)
create_deployment(toolkit_directory, toolkit_name)
except Exception:
remove_toolkit(toolkit_directory, toolkit_name)
raise
def create_deployment(toolkit_directory: Path, toolkit_name: str) -> None:
worker_toml = toolkit_directory / "worker.toml"
if not worker_toml.exists():
create_demo_deployment(worker_toml, toolkit_name)
else:
pass
# Disabled pending bug fix
# update_deployment_with_local_packages(worker_toml, toolkit_name)