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7d4338a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 | from helpers.tool import Tool, Response
from helpers.extension import call_extensions_async
from helpers import plugins, runtime
from plugins._text_editor.helpers.file_ops import (
FileInfo,
read_file,
write_file,
validate_edits,
apply_patch,
file_info,
)
# Key used in agent.data to store file state for patch validation
# Value: {path: {"mtime": float, "total_lines": int}}
_MTIME_KEY = "_text_editor_mtimes"
class TextEditor(Tool):
async def execute(self, **kwargs):
if self.method == "read":
return await self._read(**kwargs)
elif self.method == "write":
return await self._write(**kwargs)
elif self.method == "patch":
return await self._patch(**kwargs)
return Response(
message=f"unknown method '{self.name}:{self.method}'",
break_loop=False,
)
# ------------------------------------------------------------------
# READ
# ------------------------------------------------------------------
async def _read(self, path: str = "", **kwargs) -> Response:
if not path:
return self._error("read", path, "path is required")
cfg = _get_config(self.agent)
line_from = int(kwargs.get("line_from", 1))
raw_to = kwargs.get("line_to")
line_to = int(raw_to) if raw_to is not None else None
result = await runtime.call_development_function(
read_file,
path,
line_from=line_from,
line_to=line_to,
max_line_tokens=cfg["max_line_tokens"],
default_line_count=cfg["default_line_count"],
max_total_read_tokens=cfg["max_total_read_tokens"],
)
if result["error"]:
return self._error("read", path, result["error"])
info = await runtime.call_development_function(file_info, path)
_record_mtime(self.agent, info, result["total_lines"])
# Extension point
ext_data = {
"content": result["content"],
"warnings": result["warnings"],
}
await call_extensions_async(
"text_editor_read_after", agent=self.agent, data=ext_data
)
msg = self.agent.read_prompt(
"fw.text_editor.read_ok.md",
path=info["expanded"],
total_lines=str(result["total_lines"]),
warnings=ext_data["warnings"],
content=ext_data["content"],
)
return Response(message=msg, break_loop=False)
# ------------------------------------------------------------------
# WRITE
# ------------------------------------------------------------------
async def _write(
self, path: str = "", content: str | None = "", **kwargs
) -> Response:
if not path:
return self._error("write", path, "path is required")
# Extension point
ext_data = {"path": path, "content": content}
await call_extensions_async(
"text_editor_write_before", agent=self.agent, data=ext_data
)
result = await runtime.call_development_function(
write_file, ext_data["path"], ext_data["content"]
)
if result["error"]:
return self._error("write", path, result["error"])
# Extension point
await call_extensions_async(
"text_editor_write_after", agent=self.agent,
data={"path": path, "total_lines": result["total_lines"]},
)
info = await runtime.call_development_function(file_info, path)
_record_mtime(self.agent, info, result["total_lines"])
cfg = _get_config(self.agent)
read_result = await runtime.call_development_function(
read_file,
info["expanded"],
line_from=1,
line_to=result["total_lines"],
max_line_tokens=cfg["max_line_tokens"],
max_total_read_tokens=cfg["max_total_read_tokens"],
)
msg = self.agent.read_prompt(
"fw.text_editor.write_ok.md",
path=info["expanded"],
total_lines=str(result["total_lines"]),
content=read_result["content"],
)
return Response(message=msg, break_loop=False)
# ------------------------------------------------------------------
# PATCH
# ------------------------------------------------------------------
async def _patch(self, path: str = "", edits=None, **kwargs) -> Response:
if not path:
return self._error("patch", path, "path is required")
info = await runtime.call_development_function(file_info, path)
if not info["is_file"]:
return self._error("patch", path, "file not found")
expanded = info["expanded"]
stale_err = _check_mtime(self.agent, info)
if stale_err:
return self._error("patch", path, stale_err)
parsed, err = validate_edits(edits)
if err:
return self._error("patch", path, err)
# Extension point
ext_data = {"path": expanded, "edits": parsed}
await call_extensions_async(
"text_editor_patch_before", agent=self.agent, data=ext_data
)
try:
total_lines = await runtime.call_development_function(
apply_patch, ext_data["path"], ext_data["edits"]
)
except Exception as exc:
return self._error("patch", path, str(exc))
# Extension point
await call_extensions_async(
"text_editor_patch_after", agent=self.agent,
data={"path": expanded, "total_lines": total_lines},
)
# Refresh file info after patch for updated mtime
post_info = await runtime.call_development_function(
file_info, expanded
)
_apply_patch_post(
self.agent, post_info, total_lines, ext_data["edits"]
)
patch_content = await _read_patch_region(
expanded, ext_data["edits"], total_lines, _get_config(self.agent)
)
msg = self.agent.read_prompt(
"fw.text_editor.patch_ok.md",
path=expanded,
edit_count=str(len(edits or [])),
total_lines=str(total_lines),
content=patch_content,
)
return Response(message=msg, break_loop=False)
# ------------------------------------------------------------------
# Shared error helper
# ------------------------------------------------------------------
def _error(self, action: str, path: str, error: str) -> Response:
msg = self.agent.read_prompt(
f"fw.text_editor.{action}_error.md", path=path, error=error
)
return Response(message=msg, break_loop=False)
# ------------------------------------------------------------------
# Standalone helpers
# ------------------------------------------------------------------
async def _read_patch_region(
path: str, edits: list[dict], total_lines: int, cfg: dict
) -> str:
if not edits:
return ""
min_from = min(e["from"] for e in edits)
added = sum(
e["content"].count("\n")
+ (1 if e["content"] and not e["content"].endswith("\n") else 0)
for e in edits if e.get("content")
)
removed = sum(
max(e["to"] - e["from"] + 1, 0)
for e in edits if not e.get("insert")
)
max_to = max(e["to"] for e in edits)
end_line = max_to + added - removed + 3
result = await runtime.call_development_function(
read_file,
path,
line_from=max(min_from - 1, 1),
line_to=min(end_line, total_lines),
max_line_tokens=cfg["max_line_tokens"],
max_total_read_tokens=cfg["max_total_read_tokens"],
)
return result["content"]
def _record_mtime(agent, info: FileInfo, total_lines: int):
mtimes = agent.data.setdefault(_MTIME_KEY, {})
if info["mtime"] is not None:
mtimes[info["realpath"]] = {
"mtime": info["mtime"],
"total_lines": total_lines,
}
def _count_content_lines(content: str) -> int:
return content.count("\n") + (
1 if content and not content.endswith("\n") else 0
)
def _all_edits_in_place(edits: list[dict]) -> bool:
for e in edits:
if e.get("insert"):
return False
removed = max(e["to"] - e["from"] + 1, 0)
added = _count_content_lines(e.get("content", "") or "")
if removed != added:
return False
return True
def _apply_patch_post(
agent, info: FileInfo, new_total: int, edits: list[dict]
):
mtimes = agent.data.setdefault(_MTIME_KEY, {})
real = info["realpath"]
if not _all_edits_in_place(edits):
# Line count changed — mark stale so next patch gets
# "file changed since last read" instead of "line numbers unknown"
mtimes[real] = {"mtime": 0, "total_lines": 0}
return
stored = mtimes.get(real)
if not isinstance(stored, dict) or "total_lines" not in stored:
mtimes[real] = {"mtime": 0, "total_lines": 0}
return
if new_total != stored["total_lines"]:
mtimes[real] = {"mtime": 0, "total_lines": 0}
return
if info["mtime"] is not None:
mtimes[real] = {
"mtime": info["mtime"],
"total_lines": new_total,
}
else:
mtimes[real] = {"mtime": 0, "total_lines": 0}
def _check_mtime(agent, info: FileInfo) -> str:
mtimes = agent.data.get(_MTIME_KEY, {})
real = info["realpath"]
if real not in mtimes:
return agent.read_prompt(
"fw.text_editor.patch_need_read.md", path=info["expanded"]
)
stored = mtimes[real]
mtime = stored.get("mtime") if isinstance(stored, dict) else stored
if mtime is None:
mtimes.pop(real, None)
return agent.read_prompt(
"fw.text_editor.patch_need_read.md", path=info["expanded"]
)
current = info["mtime"]
if current is None:
return ""
if current != mtime:
return agent.read_prompt(
"fw.text_editor.patch_stale_read.md", path=info["expanded"]
)
return ""
# ------------------------------------------------------------------
# Config
# ------------------------------------------------------------------
def _get_config(agent) -> dict:
config = plugins.get_plugin_config("_text_editor", agent=agent) or {}
return {
"max_line_tokens": int(config.get("max_line_tokens", 500)),
"default_line_count": int(config.get("default_line_count", 100)),
"max_total_read_tokens": int(config.get("max_total_read_tokens", 4000)),
}
|