Coverage for session_buddy / memory / file_context.py: 92.00%

1from __future__ import annotations 

2 

3from pathlib import Path 

4from typing import Any 

5 

6 

7def build_file_context(file_path: str, max_lines: int = 50) -> dict[str, Any]: 

8 """Build lightweight file context for extraction triggers. 

9 

10 Returns metadata and a snippet (first N lines) for significance scoring. 

11 """ 

12 p = Path(file_path) 

13 meta = { 

14 "file_path": str(p), 

15 "file_name": p.name, 

16 "file_extension": p.suffix, 

17 "size": p.stat().st_size if p.exists() else 0, 

18 } 

19 

20 snippet = "" 

21 try: 

22 if p.exists() and p.is_file(): 

23 with p.open("r", encoding="utf-8", errors="ignore") as f: 

24 lines: list[str] = [] 

25 for i, line in enumerate(f): 

26 if i >= max_lines: 

27 break 

28 lines.append(line.rstrip("\n")) 

29 snippet = "\n".join(lines) 

30 except Exception: 

31 snippet = "" 

32 

33 return {"metadata": meta, "snippet": snippet}