bootstrap.py

import logging
import os
import platform
from pathlib import Path

import click
from packaging import version

from algokit.core import proc, questionary_extensions
from algokit.core.conf import ALGOKIT_CONFIG, get_algokit_config, get_current_package_version
from algokit.core.utils import find_valid_pipx_command

ENV_TEMPLATE_PATTERN = ".env*.template"
logger = logging.getLogger(__name__)


def bootstrap_any(project_dir: Path, *, ci_mode: bool) -> None:
    poetry_path = project_dir / "poetry.toml"
    pyproject_path = project_dir / "pyproject.toml"
    package_json_path = project_dir / "package.json"

    logger.debug(f"Checking {project_dir} for bootstrapping needs")

    if next(project_dir.glob(ENV_TEMPLATE_PATTERN), None):
        logger.debug("Running `algokit bootstrap env`")
        bootstrap_env(project_dir, ci_mode=ci_mode)

    if poetry_path.exists() or (pyproject_path.exists() and "[tool.poetry]" in pyproject_path.read_text("utf-8")):
        logger.debug("Running `algokit bootstrap poetry`")
        bootstrap_poetry(project_dir)

    if package_json_path.exists():
        logger.debug("Running `algokit bootstrap npm`")
        bootstrap_npm(project_dir)


def bootstrap_any_including_subdirs(base_path: Path, *, ci_mode: bool) -> None:
    bootstrap_any(base_path, ci_mode=ci_mode)

    for sub_dir in sorted(base_path.iterdir()):  # sort needed for test output ordering
        if sub_dir.is_dir():
            if sub_dir.name.lower() in [".venv", "node_modules", "__pycache__"]:
                logger.debug(f"Skipping {sub_dir}")
            else:
                bootstrap_any(sub_dir, ci_mode=ci_mode)


def bootstrap_env(project_dir: Path, *, ci_mode: bool) -> None:
    # List all .env*.template files in the directory
    env_template_paths = sorted(project_dir.glob(ENV_TEMPLATE_PATTERN))

    # If no template files found, log it
    if not env_template_paths:
        logger.info("No .env or .env.{network_name}.template files found; nothing to do here, skipping bootstrap.")
        return

    # Process each template file
    for env_template_path in env_template_paths:
        # Determine the output file name (strip .template suffix)
        env_path = Path(env_template_path).with_suffix("")

        if env_path.exists():
            logger.info(f"{env_path.name} already exists; skipping bootstrap of {env_path.name}")
            continue

        logger.debug(f"{env_path} doesn't exist yet")
        logger.debug(f"{env_template_path} exists")
        logger.info(f"Copying {env_template_path} to {env_path} and prompting for empty values")

        # find all empty values in .env file and prompt the user for a value
        with Path(env_template_path).open(encoding="utf-8") as env_template_file, env_path.open(
            mode="w", encoding="utf-8"
        ) as env_file:
            comment_lines: list[str] = []
            for line in env_template_file:
                # strip newline character(s) from end of line for simpler handling
                stripped_line = line.strip()
                # if it is a comment line, keep it in var and continue
                if stripped_line.startswith("#"):
                    comment_lines.append(line)
                    env_file.write(line)
                # keep blank lines in output but don't accumulate them in comments
                elif not stripped_line:
                    env_file.write(line)
                else:
                    # lines not blank and not empty
                    var_name, *var_value = stripped_line.split("=", maxsplit=1)
                    # if it is an empty value, the user should be prompted for value with the comment line above
                    if var_value and not var_value[0]:
                        var_name = var_name.strip()
                        if not ci_mode:
                            logger.info("".join(comment_lines))
                            new_value = questionary_extensions.prompt_text(f"Please provide a value for {var_name}:")
                            env_file.write(f"{var_name}={new_value}\n")
                        # In CI mode, we _don't_ prompt for values, because... it's CI
                        # we can omit the line entirely in the case of blank value,
                        # and just to be nice we can check to make sure the var is defined in the current
                        # env and if not, print a warning
                        # note that due to the multiple env files, this might be an aberrant warning as
                        # it might be for an .env<name>.template that is not used in the current CI process?
                        elif var_name not in os.environ:
                            logger.warning(f"Prompt skipped for {var_name} due to CI mode, but this value is not set")
                    else:  # this is a line with value
                        env_file.write(line)
                    comment_lines = []


def bootstrap_poetry(project_dir: Path) -> None:
    try:
        proc.run(
            ["poetry", "--version"],
            bad_return_code_error_message="poetry --version failed, please check your poetry install",
        )
        try_install_poetry = False
    except OSError:
        try_install_poetry = True

    if try_install_poetry:
        logger.info("Poetry not found; attempting to install it...")
        if not questionary_extensions.prompt_confirm(
            "We couldn't find `poetry`; can we install it for you via pipx so we can install Python dependencies?",
            default=True,
        ):
            raise click.ClickException(
                "Unable to install poetry via pipx; please install poetry "
                "manually via https://python-poetry.org/docs/ and try `algokit bootstrap poetry` again."
            )
        pipx_command = find_valid_pipx_command(
            "Unable to find pipx install so that poetry can be installed; "
            "please install pipx via https://pypa.github.io/pipx/ "
            "and then try `algokit bootstrap poetry` again."
        )
        proc.run(
            [*pipx_command, "install", "poetry"],
            bad_return_code_error_message=(
                "Unable to install poetry via pipx; please install poetry "
                "manually via https://python-poetry.org/docs/ and try `algokit bootstrap poetry` again."
            ),
        )

    logger.info("Installing Python dependencies and setting up Python virtual environment via Poetry")
    try:
        proc.run(["poetry", "install"], stdout_log_level=logging.INFO, cwd=project_dir)
    except OSError as e:
        if try_install_poetry:
            raise click.ClickException(
                "Unable to access Poetry on PATH after installing it via pipx; "
                "check pipx installations are on your path by running `pipx ensurepath` "
                "and try `algokit bootstrap poetry` again."
            ) from e
        raise  # unexpected error, we already ran without IOError before


def bootstrap_npm(project_dir: Path) -> None:
    package_json_path = project_dir / "package.json"
    if not package_json_path.exists():
        logger.info(f"{package_json_path} doesn't exist; nothing to do here, skipping bootstrap of npm")
    else:
        logger.info("Installing npm dependencies")
        is_windows = platform.system() == "Windows"
        cmd = ["npm" if not is_windows else "npm.cmd", "install"]
        try:
            proc.run(
                cmd,
                stdout_log_level=logging.INFO,
                cwd=project_dir,
            )
        except OSError as e:
            raise click.ClickException(
                f"Failed to run `{' '.join(cmd)}` for {package_json_path}. Is npm installed and available on PATH?"
            ) from e


def get_min_algokit_version(project_dir: Path) -> str | None:
    config = get_algokit_config(project_dir)
    if config is None:
        return None
    try:
        return str(config["algokit"]["min_version"])
    except KeyError:
        logger.debug(f"No 'min_version' specified in {ALGOKIT_CONFIG} file.")
        return None
    except Exception as ex:
        logger.debug(f"Couldn't read algokit min_version from {ALGOKIT_CONFIG} file: {ex}", exc_info=True)
        return None


def project_minimum_algokit_version_check(project_dir: Path, *, ignore_version_check_fail: bool = False) -> None:
    """
    Checks the current version of AlgoKit against the minimum required version specified in the AlgoKit config file.
    """

    min_version = get_min_algokit_version(project_dir)
    if min_version is None:
        return
    algokit_version = get_current_package_version()
    if version.parse(algokit_version) < version.parse(min_version):
        message = (
            f"This template requires AlgoKit version {min_version} or higher, "
            f"but you have AlgoKit version {algokit_version}. Please update AlgoKit."
        )
        if ignore_version_check_fail:
            logger.warning(message)
        else:
            raise click.ClickException(message)