tools/_ud_hfp_wrapper.py

#!/usr/bin/env -S uv run
"""
Shared wrapper utilities for ud-hf-parquet-tools entrypoint scripts.
"""

from dataclasses import dataclass
import sys
from pathlib import Path


@dataclass(frozen=True)
class RepoPaths:
    repo_root: Path
    metadata_file: Path
    ud_repos_dir: Path
    parquet_dir: Path
    blocked_treebanks_file: Path


def get_repo_paths(script_file: str) -> RepoPaths:
    """
    Resolve repository paths from a script file path.
    """
    repo_root = Path(script_file).parent.parent.resolve()
    return RepoPaths(
        repo_root=repo_root,
        metadata_file=repo_root / "metadata.json",
        ud_repos_dir=repo_root / "tools" / "UD_repos",
        parquet_dir=repo_root / "parquet",
        blocked_treebanks_file=repo_root / "tools" / "blocked_treebanks.yaml",
    )


def append_common_selection_args(args, tool_args: list[str]) -> None:
    """
    Append common subset-selection flags.
    """
    if getattr(args, "test", False):
        tool_args.append("--test")

    treebanks = getattr(args, "treebanks", None)
    if treebanks:
        tool_args.extend(["--treebanks", treebanks])


def append_common_verbosity_args(args, tool_args: list[str]) -> None:
    """
    Append common verbosity flags with consistent precedence.
    """
    if getattr(args, "very_verbose", False):
        tool_args.append("-vv")
    elif getattr(args, "quiet", False):
        tool_args.append("--quiet")
    elif getattr(args, "verbose", False):
        tool_args.append("--verbose")


def run_ud_tools(tool_args: list[str]) -> int:
    """
    Run ud-hf-parquet-tools by emulating command-line invocation.
    """
    # Lazy import keeps wrapper help usable even when runtime deps are absent.
    from ud_hf_parquet_tools.cli import main as ud_tools_main

    original_argv = sys.argv
    try:
        sys.argv = tool_args
        return int(ud_tools_main())
    finally:
        sys.argv = original_argv