Spaces:
Running
Running
File size: 17,080 Bytes
c9803a3 60c7a7f c9803a3 60c7a7f c9803a3 60c7a7f c9803a3 60c7a7f c9803a3 |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 |
import asyncio
from contextlib import AsyncExitStack
from typing import List, Literal, Optional, Any
from pydantic import BaseModel, Field
from proxy_lite.browser.browser import BrowserSession
from proxy_lite.logger import logger
from .tool_base import Tool, ToolExecutionResponse, attach_param_schema
SELF_CONTAINED_TAGS = [
# many of these are non-interactive but keeping them anyway
"area",
"base",
"br",
"col",
"embed",
"hr",
"img",
"input",
"link",
"meta",
"param",
"source",
"track",
"wbr",
]
def element_as_text(
mark_id: int,
tag: Optional[str] = None,
text: Optional[str] = None,
**raw_attributes,
) -> str:
"""Return a text representation of all elements on the page"""
attributes = []
for k, v in raw_attributes.items():
if v is None:
continue
if isinstance(v, bool):
if v:
attributes.append(k)
# we ignore False bool attributes
else:
v = str(v)
if len(v) > 2500:
v = v[: 2500 - 1] + "…"
attributes.append(f'{k}="{v}"')
attributes = " ".join(attributes)
attributes = (" " + attributes).rstrip()
tag = tag.lower() if tag else ""
if text is None:
text = ""
if len(text) > 2500:
text = text[: 2500 - 1] + "…"
if tag in SELF_CONTAINED_TAGS:
if text:
logger.warning(
f"Got self-contained element '{tag}' which contained text '{text}'.", )
else:
return f"<{tag} id={mark_id}{attributes}/>"
return f"<{tag} id={mark_id}{attributes}>{text}</{tag}>"
class GotoParams(BaseModel):
url: str = Field(..., description="The web address to visit. Must be a valid URL.")
class GoogleSearchParams(BaseModel):
query_plan: str = Field(
...,
description="Plan out the query you will make. Re-write queries in a way that will yield the best results.",
)
query: str = Field(..., description="The Google search to perform.")
class ClickParams(BaseModel):
mark_id: int = Field(..., description="Element Mark ID.")
class TypeEntry(BaseModel):
mark_id: int = Field(..., description="Element Mark ID.")
content: str = Field(..., description="The text to type into the element.")
class TypeParams(BaseModel):
entries: List[TypeEntry] = Field(
...,
description="A list of elements and contents to type.",
)
submit: bool = Field(
...,
description='Whether to press the "Enter" key after typing in the last entry.',
)
class ScrollParams(BaseModel):
direction: Literal["up", "down", "left", "right"] = Field(
...,
description='Direction to scroll. Must be one of "up", "down", "left" or "right".',
)
mark_id: int = Field(
...,
description="What to scroll. Use -1 to scroll the whole page otherwise give the mark ID of an element that is `scrollable`.", # noqa: E501
)
class BackParams(BaseModel):
pass
class WaitParams(BaseModel):
pass
class ReloadParams(BaseModel):
pass
class DoNothingParams(BaseModel):
pass
# --- NEW: Parameters for open_new_tab_and_go_to tool ---
class OpenNewTabAndGoToParams(BaseModel):
url: str = Field(..., description="The URL to navigate to in the new tab.")
# --- NEW: Parameters for select_option_by_text tool ---
class SelectOptionByTextParams(BaseModel):
mark_id: int = Field(..., description="The mark ID of the select element.")
option_text: str = Field(..., description="The text content of the option to select.")
class BrowserTool(Tool):
def __init__(self, session: BrowserSession) -> None:
super().__init__()
self.browser = session
async def __aenter__(self):
self._exit_stack = AsyncExitStack()
await self._exit_stack.enter_async_context(self.browser)
return self
async def __aexit__(self, exc_type, exc_val, exc_tb):
await self._exit_stack.aclose()
@property
def poi_text(self) -> str:
# Get all points of interest on the page as text
texts = [element_as_text(mark_id=i, **element) for i, element in enumerate(self.browser.poi_elements)]
# Return formatted text of points of interest on page
return "\n".join([txt for txt in texts if txt])
@attach_param_schema(GotoParams)
async def goto(self, url: str) -> ToolExecutionResponse:
"""Go directly to a specific web url. Specify the exact URL."""
await self.browser.goto(url)
return ToolExecutionResponse(content=f"Successfully navigated to URL: {url}")
@attach_param_schema(GoogleSearchParams)
async def google_search(self, query_plan: str, query: str) -> ToolExecutionResponse:
"""Perform a generic web search using Google.
Results may not be relevant. If you see poor results, you can try another query.
"""
url = f"https://www.google.com/search?q={query}"
await self.browser.goto(url)
return ToolExecutionResponse(content=f"Performed Google search for: {query}")
@attach_param_schema(ClickParams)
async def click(self, mark_id: int) -> ToolExecutionResponse:
"""Click on an element of the page."""
try:
await self.browser.click(mark_id=mark_id)
return ToolExecutionResponse(content=f"Clicked element with mark ID: {mark_id}")
except IndexError as e:
# This happens if mark_id is out of bounds for browser.poi_centroids
logger.error(f"Click failed: Mark ID {mark_id} not found or POI list empty. Error: {e}")
return ToolExecutionResponse(content=f"Failed to click element with mark ID {mark_id}. Element not found or POI list invalid.")
except Exception as e:
logger.error(f"Click failed with unexpected error for mark ID {mark_id}: {e}")
return ToolExecutionResponse(content=f"An unexpected error occurred while trying to click element {mark_id}: {e}")
@attach_param_schema(TypeParams)
async def type(self, entries: List[dict], submit: bool) -> ToolExecutionResponse:
"""Type text.
You can type into one or more elements.
Note that the text inside an element is cleared before typing.
"""
typed_ids = []
for i, entry_dict in enumerate(entries):
try:
entry = TypeEntry(**entry_dict)
last_entry = i == len(entries) - 1
old_poi_positions = [tuple(point) for point in self.browser.poi_centroids]
await self.browser.enter_text(
mark_id=entry.mark_id,
text=entry.content,
submit=submit and last_entry,
)
typed_ids.append(entry.mark_id)
await self.browser.update_poi()
new_poi_positions = [tuple(point) for point in self.browser.poi_centroids]
if not last_entry and old_poi_positions != new_poi_positions:
logger.error(
"POI positions changed mid-typing, cancelling future type entries.",
)
break
except IndexError as e:
logger.error(f"Type failed: Mark ID {entry.mark_id} not found or POI list empty. Error: {e}")
return ToolExecutionResponse(content=f"Failed to type into element with mark ID {entry.mark_id}. Element not found or POI list invalid. Typed into: {typed_ids if typed_ids else 'none'}.")
except Exception as e:
logger.error(f"Type failed with unexpected error for mark ID {entry.mark_id}: {e}")
return ToolExecutionResponse(content=f"An unexpected error occurred while trying to type into element {entry.mark_id}: {e}. Typed into: {typed_ids if typed_ids else 'none'}.")
return ToolExecutionResponse(
content=f"Typed text into elements with mark IDs: {typed_ids}",
)
@attach_param_schema(ScrollParams)
async def scroll(self, direction: Literal["up", "down", "left", "right"], mark_id: int) -> ToolExecutionResponse:
"""Scroll the page (or a scrollable element) up, down, left or right."""
try:
if mark_id == -1:
mark_id_for_browser = None # Pass None to browser.scroll for page scroll
else:
mark_id_for_browser = mark_id
await self.browser.scroll(direction=direction, mark_id=mark_id_for_browser)
return ToolExecutionResponse(content=f"Scrolled {direction} on element with mark ID: {mark_id if mark_id != -1 else 'page'}")
except IndexError as e:
logger.error(f"Scroll failed: Mark ID {mark_id} not found or POI list empty. Error: {e}")
return ToolExecutionResponse(content=f"Failed to scroll element with mark ID {mark_id}. Element not found or POI list invalid.")
except Exception as e:
logger.error(f"Scroll failed with unexpected error for mark ID {mark_id}: {e}")
return ToolExecutionResponse(content=f"An unexpected error occurred while trying to scroll element {mark_id}: {e}")
@attach_param_schema(BackParams)
async def back(self) -> ToolExecutionResponse:
"""Go back to the previous page."""
try:
await self.browser.go_back()
return ToolExecutionResponse(content="Went back to the previous page.")
except Exception as e:
logger.error(f"Go back failed: {e}")
return ToolExecutionResponse(content=f"Failed to go back: {e}")
@attach_param_schema(WaitParams)
async def wait(self) -> ToolExecutionResponse:
"""Wait three seconds. Useful when the page appears to still be loading, or if there are any unfinished webpage processes.""" # noqa: E501
await asyncio.sleep(3)
return ToolExecutionResponse(content="Waited for a few seconds.")
@attach_param_schema(ReloadParams)
async def reload(self) -> ToolExecutionResponse:
"""Reload the current page. Useful when the page seems unresponsive, broken, outdated, or if you want to reset the page to its initial state.""" # noqa: E501
try:
await self.browser.reload()
return ToolExecutionResponse(content="Reloaded the current page.")
except Exception as e:
logger.error(f"Reload failed: {e}")
return ToolExecutionResponse(content=f"Failed to reload the page: {e}")
@attach_param_schema(DoNothingParams)
async def do_nothing_tool(self) -> ToolExecutionResponse:
"""Do nothing. Use this if you have no need for the browser at this time."""
return ToolExecutionResponse(content="Did nothing in the browser.")
# --- NEW: Expose the open_new_tab_and_go_to method as a tool ---
@attach_param_schema(OpenNewTabAndGoToParams)
async def open_new_tab_and_go_to(self, url: str) -> ToolExecutionResponse:
"""
Opens a new browser tab/page and navigates to the specified URL.
Closes the old page if it's not the last one remaining.
Use this to bypass loading issues by forcing a new navigation.
"""
try:
await self.browser.open_new_tab_and_go_to(url)
return ToolExecutionResponse(
content=f"Successfully opened new tab and navigated to: {url}",
)
except Exception as e:
logger.error(f"Error opening new tab and navigating to {url}: {e}")
return ToolExecutionResponse(content=f"Failed to open new tab and navigate to {url}: {e}")
# --- NEW: Select option by text from select element ---
@attach_param_schema(SelectOptionByTextParams)
async def select_option_by_text(self, mark_id: int, option_text: str) -> ToolExecutionResponse:
"""
Selects an option from a select element (including dual select picklists) by finding the option with matching text.
This is especially useful for Salesforce dual select picklists where you need to find and select a specific option.
Uses Playwright's native iframe handling to bypass CORS restrictions.
"""
try:
logger.info(f"Attempting to select option '{option_text}' from element {mark_id}")
# First, try to click the select element to ensure it's focused
await self.browser.click(mark_id=mark_id)
await asyncio.sleep(0.5) # Wait for click to register
# Use Playwright's native frame handling instead of JavaScript evaluation
# This bypasses CORS restrictions that prevent JavaScript access
# Find all frames on the page
if not self.browser.current_page:
return ToolExecutionResponse(content=f"No active page found. Cannot select option '{option_text}'.")
main_frame = self.browser.current_page.main_frame
all_frames = [main_frame] + main_frame.child_frames
logger.info(f"Searching for element {mark_id} across {len(all_frames)} frames")
for frame_idx, frame in enumerate(all_frames):
try:
# Look for select elements in this frame
select_elements = await frame.query_selector_all('select')
logger.info(f"Frame {frame_idx}: Found {len(select_elements)} select elements")
for select_elem in select_elements:
# Get all options for this select
options = await select_elem.query_selector_all('option')
# Check if any option contains our target text
for opt_idx, option in enumerate(options):
option_text_content = await option.text_content()
option_value = await option.get_attribute('value')
logger.info(f"Frame {frame_idx}, Select {select_elem}, Option {opt_idx}: text='{option_text_content}', value='{option_value}'")
if option_text_content and option_text.lower().strip() == option_text_content.lower().strip():
# Found the option! Click it directly instead of using select_option
try:
# Direct click with force=True to bypass visibility checks and short timeout
await option.click(force=True, timeout=5000)
logger.info(f"Successfully clicked option '{option_text_content.strip()}' in frame {frame_idx}")
return ToolExecutionResponse(
content=f"[ACTION COMPLETED] Successfully selected '{option_text_content.strip()}' from dual select picklist"
)
except Exception as select_error:
logger.info(f"Click timed out in frame {frame_idx}, but option may have been selected: {select_error}")
# Continue to next frame/option instead of failing completely
continue
except Exception as frame_error:
logger.info(f"Could not access frame {frame_idx}: {frame_error}")
continue
# If we get here, the option wasn't found in any frame
# Try to get available options for debugging
all_options = []
for frame in all_frames:
try:
select_elements = await frame.query_selector_all('select')
for select_elem in select_elements:
options = await select_elem.query_selector_all('option')
for option in options[:5]: # Limit to first 5 options per select
text = await option.text_content()
if text:
all_options.append(text.strip())
except:
continue
available_options_str = ', '.join(all_options[:10]) if all_options else 'None found'
return ToolExecutionResponse(
content=f"Failed to find option '{option_text}' in any select element. Available options (first 10): {available_options_str}"
)
except Exception as e:
logger.error(f"Error selecting option '{option_text}' from element {mark_id}: {e}")
return ToolExecutionResponse(content=f"An unexpected error occurred while selecting option '{option_text}': {e}")
|