| 1 | from __future__ import annotations |
| 2 | |
| 3 | import importlib |
| 4 | import importlib.metadata |
| 5 | import importlib.util |
| 6 | import shutil |
| 7 | import subprocess |
| 8 | import sys |
| 9 | import threading |
| 10 | from pathlib import Path |
| 11 | |
| 12 | from helpers.errors import format_error |
| 13 | from helpers.print_style import PrintStyle |
| 14 | |
| 15 | |
| 16 | _LOCK = threading.Lock() |
| 17 | _PLUGIN_DIR = Path(__file__).resolve().parent |
| 18 | _ROOT_REQUIREMENTS_FILE = _PLUGIN_DIR.parents[1] / "requirements.txt" |
| 19 | |
| 20 | |
| 21 | def ensure_dependencies(raise_on_error: bool = True) -> bool: |
| 22 | """Install the pinned framework-runtime dependency when needed.""" |
| 23 | with _LOCK: |
| 24 | try: |
| 25 | requirement = _json_repair_requirement() |
| 26 | if _json_repair_is_current(requirement): |
| 27 | return True |
| 28 | |
| 29 | uv = shutil.which("uv") |
| 30 | if not uv: |
| 31 | raise RuntimeError( |
| 32 | "Context Doctor plugin requires 'uv' to install json_repair automatically" |
| 33 | ) |
| 34 | |
| 35 | PrintStyle.info( |
| 36 | "Context Doctor: installing pinned json_repair dependency" |
| 37 | ) |
| 38 | subprocess.check_call( |
| 39 | [uv, "pip", "install", "--python", sys.executable, requirement], |
| 40 | cwd=str(_PLUGIN_DIR), |
| 41 | ) |
| 42 | importlib.invalidate_caches() |
| 43 | if not _json_repair_is_current(requirement): |
| 44 | raise RuntimeError( |
| 45 | f"Context Doctor dependency {requirement!r} is unavailable after installation" |
| 46 | ) |
| 47 | return True |
| 48 | except Exception as exc: |
| 49 | message = ( |
| 50 | "Context Doctor: failed to install json_repair dependency: " |
| 51 | f"{format_error(exc)}" |
| 52 | ) |
| 53 | if raise_on_error: |
| 54 | raise RuntimeError(message) from exc |
| 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 _json_repair_requirement() -> str: |
| 64 | if _ROOT_REQUIREMENTS_FILE.is_file(): |
| 65 | for line in _ROOT_REQUIREMENTS_FILE.read_text(encoding="utf-8").splitlines(): |
| 66 | requirement = line.strip() |
| 67 | if requirement.startswith("json_repair=="): |
| 68 | return requirement |
| 69 | raise RuntimeError( |
| 70 | f"Context Doctor pinned json_repair requirement not found in {_ROOT_REQUIREMENTS_FILE}" |
| 71 | ) |
| 72 | |
| 73 | |
| 74 | def _json_repair_is_current(requirement: str) -> bool: |
| 75 | expected_version = requirement.partition("==")[2] |
| 76 | if not expected_version or importlib.util.find_spec("json_repair") is None: |
| 77 | return False |
| 78 | try: |
| 79 | return importlib.metadata.version("json-repair") == expected_version |
| 80 | except importlib.metadata.PackageNotFoundError: |
| 81 | return False |