hemant2747/multi-agent-framework

1"""Line-level diff for rendering accept/reject cards in the UI."""2from __future__ import annotations3 4import difflib5from typing import Dict, List6 7 8def line_diff(original: str, modified: str) -> List[Dict]:9    """Return rows: {type: 'ctx'|'add'|'del', text, old, new}.10 11    'old'/'new' are 1-based line numbers (or None when not applicable).12    """13    a = original.splitlines()14    b = modified.splitlines()15    sm = difflib.SequenceMatcher(a=a, b=b)16    rows: List[Dict] = []17    oi = ni = 118    for tag, i1, i2, j1, j2 in sm.get_opcodes():19        if tag == "equal":20            for k in range(i1, i2):21                rows.append({"type": "ctx", "text": a[k], "old": oi, "new": ni})22                oi += 123                ni += 124        elif tag == "delete":25            for k in range(i1, i2):26                rows.append({"type": "del", "text": a[k], "old": oi, "new": None})27                oi += 128        elif tag == "insert":29            for k in range(j1, j2):30                rows.append({"type": "add", "text": b[k], "old": None, "new": ni})31                ni += 132        elif tag == "replace":33            for k in range(i1, i2):34                rows.append({"type": "del", "text": a[k], "old": oi, "new": None})35                oi += 136            for k in range(j1, j2):37                rows.append({"type": "add", "text": b[k], "old": None, "new": ni})38                ni += 139    return rows40 41 42def diff_stats(rows: List[Dict]) -> Dict[str, int]:43    return {44        "additions": sum(1 for r in rows if r["type"] == "add"),45        "deletions": sum(1 for r in rows if r["type"] == "del"),46    }47