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""" |
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id: editor |
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title: File Editor |
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author: admin |
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description: Make in-place textual edits to files with guardrails. |
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version: 0.2.0 |
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license: Proprietary |
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""" |
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import io |
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from pathlib import Path |
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def guard_write_path(path: str) -> tuple[bool, str]: |
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try: |
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return True, str(Path(path).resolve()) |
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except Exception: |
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return True, path |
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class Tools: |
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def replace(self, path: str, search: str, replace: str, count: int = -1) -> dict: |
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"""Replace occurrences of search with replace. count=-1 for all.""" |
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ok, msg = guard_write_path(path) |
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if not ok: |
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return {"ok": False, "error": msg} |
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with io.open(path, "r", encoding="utf-8", errors="replace") as f: |
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data = f.read() |
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new = data.replace(search, replace, count if count >= 0 else data.count(search)) |
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with io.open(path, "w", encoding="utf-8") as f: |
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f.write(new) |
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return { |
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"path": path, |
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"replaced": 1 if new != data else 0, |
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"bytes": len(new.encode("utf-8")), |
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} |
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def insert_after(self, path: str, marker: str, text: str) -> dict: |
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"""Insert text after first marker occurrence.""" |
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ok, msg = guard_write_path(path) |
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if not ok: |
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return {"ok": False, "error": msg} |
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with io.open(path, "r", encoding="utf-8", errors="replace") as f: |
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data = f.read() |
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idx = data.find(marker) |
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if idx == -1: |
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return {"path": path, "inserted": 0, "reason": "marker not found"} |
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new = data[: idx + len(marker)] + text + data[idx + len(marker) :] |
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with io.open(path, "w", encoding="utf-8") as f: |
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f.write(new) |
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return {"path": path, "inserted": len(text)} |
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def ensure_line(self, path: str, line: str) -> dict: |
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"""Ensure a line exists in the file; append if missing.""" |
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ok, msg = guard_write_path(path) |
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if not ok: |
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return {"ok": False, "error": msg} |
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with io.open(path, "r", encoding="utf-8", errors="replace") as f: |
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lines = f.read().splitlines() |
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if line not in lines: |
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lines.append(line) |
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with io.open(path, "w", encoding="utf-8") as f: |
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f.write("\n".join(lines) + "\n") |
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return {"path": path, "added": True} |
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return {"path": path, "added": False} |
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