| 1 | from __future__ import annotations |
| 2 | |
| 3 | import importlib |
| 4 | import importlib.util |
| 5 | import shutil |
| 6 | import subprocess |
| 7 | import sys |
| 8 | import threading |
| 9 | from pathlib import Path |
| 10 | |
| 11 | from helpers.errors import format_error |
| 12 | from helpers.print_style import PrintStyle |
| 13 | |
| 14 | |
| 15 | _LOCK = threading.Lock() |
| 16 | _CHECKED = False |
| 17 | _PLUGIN_DIR = Path(__file__).resolve().parent |
| 18 | _ROOT_REQUIREMENTS_FILE = _PLUGIN_DIR.parents[1] / "requirements.txt" |
| 19 | |
| 20 | |
| 21 | def has_liteparse() -> bool: |
| 22 | return importlib.util.find_spec("liteparse") is not None |
| 23 | |
| 24 | |
| 25 | def ensure_dependencies(raise_on_error: bool = True) -> bool: |
| 26 | """Install framework-runtime dependencies needed by the plugin.""" |
| 27 | global _CHECKED |
| 28 | |
| 29 | if _CHECKED and has_liteparse(): |
| 30 | return True |
| 31 | |
| 32 | with _LOCK: |
| 33 | if _CHECKED and has_liteparse(): |
| 34 | return True |
| 35 | if has_liteparse(): |
| 36 | _CHECKED = True |
| 37 | return True |
| 38 | |
| 39 | try: |
| 40 | _install_requirements() |
| 41 | importlib.invalidate_caches() |
| 42 | if not has_liteparse(): |
| 43 | raise RuntimeError( |
| 44 | "Document Query dependency 'liteparse' is still unavailable after installation" |
| 45 | ) |
| 46 | _CHECKED = True |
| 47 | return True |
| 48 | except Exception as e: |
| 49 | message = ( |
| 50 | "Document Query: failed to install LiteParse dependency: " |
| 51 | f"{format_error(e)}" |
| 52 | ) |
| 53 | if raise_on_error: |
| 54 | raise RuntimeError(message) from e |
| 55 | PrintStyle.error(message) |
| 56 | return False |
| 57 | |
| 58 | |
| 59 | def install() -> bool: |
| 60 | return ensure_dependencies(raise_on_error=True) |
| 61 | |
| 62 | |
| 63 | def _install_requirements() -> None: |
| 64 | uv = shutil.which("uv") |
| 65 | if not uv: |
| 66 | raise RuntimeError( |
| 67 | "Document Query plugin requires 'uv' to install liteparse automatically" |
| 68 | ) |
| 69 | requirement = _liteparse_requirement() |
| 70 | if not requirement: |
| 71 | raise RuntimeError( |
| 72 | f"Document Query LiteParse requirement not found in {_ROOT_REQUIREMENTS_FILE}" |
| 73 | ) |
| 74 | |
| 75 | cmd = [ |
| 76 | uv, |
| 77 | "pip", |
| 78 | "install", |
| 79 | "--python", |
| 80 | sys.executable, |
| 81 | requirement, |
| 82 | ] |
| 83 | |
| 84 | PrintStyle.info("Document Query: liteparse not found, installing plugin dependency") |
| 85 | subprocess.check_call(cmd, cwd=str(_PLUGIN_DIR)) |
| 86 | |
| 87 | |
| 88 | def _liteparse_requirement() -> str: |
| 89 | if not _ROOT_REQUIREMENTS_FILE.is_file(): |
| 90 | return "" |
| 91 | for line in _ROOT_REQUIREMENTS_FILE.read_text(encoding="utf-8").splitlines(): |
| 92 | requirement = line.strip() |
| 93 | if requirement.startswith("liteparse"): |
| 94 | return requirement |
| 95 | return "" |