Brandon LiandClaude Opus 5
3cc7ddcc5c
scrollToLoad walks a progressively-loading list to the bottom before the steps that act on its items run. Stopping is two-part: no new matches appeared AND the container was already pinned to the bottom — counting alone stops early on a slow fetch. Hitting the scroll cap is reported rather than passed off as done, so a later step never works quietly on a partial list. The scrolling element is usually not the window. Lists like this live in a div with its own overflow, and scrolling the document does nothing at all, so the step walks up from a matched item to the ancestor that actually scrolls — overflow allows it and there is more content than fits — with containerSelector to name one outright when the guess is wrong. Verified against a page whose document also scrolls, which is the case that tells the two apart: it found the inner div and pulled 12 items up to 60 in 7 scrolls. waitFor gains `absent`, for waiting on something to go rather than arrive — a modal closing after a reset. It only accepts a genuine "selector matched nothing"; an unreachable extension looks the same from a distance and would otherwise satisfy the gate for the wrong reason, sending the next iteration into a page that still has the modal open. The locate queue carries a free-form options blob now, so a new kind of request stops meaning a new column each time. Also fixes a missing comma in the reset flow that broke the build. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
317 lines
13 KiB
Python
317 lines
13 KiB
Python
#!/usr/bin/env python3
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"""Desktop mouse control for the AutoFirmer autobuyer.
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The browser extension can see the DOM but can't move the mouse; this script can
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move the mouse but can't see inside Chrome. They meet at the dashboard API:
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clicker --POST /api/autobuyer/locate--> "where is button.buy?"
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extension raises the window, scrolls the
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element into view, measures it
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clicker --GET /api/autobuyer/locate--> desktop x,y
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clicker moves the real mouse and clicks
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Usage:
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python clicker.py locate "button.buy" # measure only, no clicking
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python clicker.py click "button.buy" # measure, then really click
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python clicker.py click ".btn" --index 2 --url "https://tradeify.co/*"
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python clicker.py click "button.buy" --dry-run # move the cursor, don't press
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Requires the AutoBuyer page switch to be ON — that's the master arming switch.
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"""
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import argparse
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import json
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import re
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import random
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import sys
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import time
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import urllib.error
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import urllib.request
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import actions
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import focus
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DEFAULT_API = "http://localhost:3000"
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POLL_INTERVAL = 0.25
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class DashboardError(RuntimeError):
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pass
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class TransientError(DashboardError):
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"""A failure that is worth retrying: a 5xx, or the server briefly unreachable.
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Next's dev server intermittently serves a 500 while it recompiles a route —
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it reads a build manifest mid-write and fails to parse it. That is a blip in
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the pipeline, not a verdict about the page, and it should not kill a run that
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is halfway through spending money.
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"""
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class NotFoundError(DashboardError):
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"""The extension reached the page and the element simply isn't there.
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Kept distinct from every other DashboardError — a dead extension, an
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unreachable dashboard, a missing tab — so that a `skipIfNotFound` step can skip a
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genuinely absent element without also swallowing a broken pipeline. Those
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look identical from a distance and must not be treated alike.
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"""
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# What the extension says when the page loaded fine but the selector matched
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# nothing. See pageLocate in extension/background.js.
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_ABSENT_MARKERS = ("No element matches", "no index")
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def _summarise_error_body(body: str, limit: int = 200) -> str:
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"""Keep an error readable.
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A dev-server 500 answers with a full HTML page — several kilobytes of script
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tags and a stack trace — and printing it raw buries the one line that says
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what went wrong.
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"""
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try:
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return str(json.loads(body).get("error", body))[:limit]
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except json.JSONDecodeError:
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pass
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if "<!DOCTYPE" in body or "<html" in body:
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match = re.search(r'"message":"(.*?)"', body)
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detail = match.group(1) if match else "no detail in the page"
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return f"server returned an HTML error page ({detail[:limit]})"
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return body[:limit]
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def _is_absent(message: str) -> bool:
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return any(marker in message for marker in _ABSENT_MARKERS)
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class Dashboard:
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"""Thin client for the autobuyer endpoints."""
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def __init__(self, base: str, timeout: float = 10.0):
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self.base = base.rstrip("/")
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self.timeout = timeout
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def _request(self, path: str, method: str = "GET", payload: dict | None = None) -> dict:
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data = json.dumps(payload).encode() if payload is not None else None
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headers = {"Content-Type": "application/json"} if data else {}
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req = urllib.request.Request(self.base + path, data=data, headers=headers, method=method)
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try:
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with urllib.request.urlopen(req, timeout=self.timeout) as resp:
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return json.loads(resp.read().decode())
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except urllib.error.HTTPError as exc:
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message = _summarise_error_body(exc.read().decode(errors="replace"))
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cls = TransientError if exc.code >= 500 else DashboardError
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raise cls(f"{method} {path} -> HTTP {exc.code}: {message}") from None
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except urllib.error.URLError as exc:
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raise TransientError(f"Cannot reach {self.base} — {exc.reason}") from None
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def status(self) -> dict:
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return self._request("/api/autobuyer/status")
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def locate(self, selector: str, index: int, url_pattern: str, timeout: float,
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open_url: str = "", navigate_url: str = "",
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options: dict | None = None) -> dict:
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"""Queue a lookup and block until the extension answers it.
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`open_url` is the page the extension should open if no tab matches
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`url_pattern` — a match pattern isn't navigable, so it's passed separately.
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"""
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queued = self._request(
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"/api/autobuyer/locate",
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"POST",
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{"selector": selector, "index": index, "urlPattern": url_pattern,
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"openUrl": open_url, "navigateUrl": navigate_url,
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"options": options or {}},
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)
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request_id = queued["id"]
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deadline = time.monotonic() + timeout
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last_transient = None
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while time.monotonic() < deadline:
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try:
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row = self._request(f"/api/autobuyer/locate?id={request_id}")
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except TransientError as exc:
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# The extension may well answer while the server is having a
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# moment; keep polling rather than failing the run over a blip.
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last_transient = exc
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time.sleep(POLL_INTERVAL)
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continue
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if row["status"] == "done":
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return row["result"]
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if row["status"] == "error":
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detail = row["error"] or ""
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cls = NotFoundError if _is_absent(detail) else DashboardError
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raise cls(f"Extension could not locate it: {detail}")
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time.sleep(POLL_INTERVAL)
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if last_transient is not None:
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raise DashboardError(
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f"No answer within {timeout:g}s, and the dashboard kept erroring "
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f"({last_transient})"
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)
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raise DashboardError(
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f"No answer within {timeout:g}s. Is the extension installed, is Chrome "
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f"running, and is the AutoBuyer switch ON?"
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)
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def describe(found: dict, factor: float) -> str:
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x, y = found["screen"]["x"] * factor, found["screen"]["y"] * factor
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lines = [
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f" matched <{found['tag']}> {found['text']!r}"
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+ (f" (1 of {found['matchCount']})" if found["matchCount"] > 1 else ""),
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f" page {found['url']}",
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f" viewport x={found['viewport']['x']:.0f} y={found['viewport']['y']:.0f}"
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f" {found['viewport']['width']:.0f}x{found['viewport']['height']:.0f}",
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f" desktop x={x:.0f} y={y:.0f}" + (f" (scale {factor:g})" if factor != 1 else ""),
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]
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if found.get("covered"):
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lines.append(f" WARNING something is on top of it: {found['coveredBy']}")
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return "\n".join(lines)
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def main() -> int:
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parser = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
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parser.add_argument("action", choices=["locate", "click", "type"],
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help="locate = measure only; click = measure then click; "
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"type = click the field, then type into it")
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parser.add_argument("selector", help="CSS selector of the target element")
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parser.add_argument("--index", type=int, default=0, help="which match, if the selector hits several (default 0)")
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parser.add_argument("--url", default="", help='Chrome match pattern for the tab, e.g. "https://tradeify.co/*"')
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parser.add_argument("--open-url", default="", help="page to open if no tab matches --url")
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parser.add_argument("--signed-out", default="", help="URL substring identifying the login page; abort if the tab lands there")
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parser.add_argument("--api", default=DEFAULT_API, help=f"dashboard URL (default {DEFAULT_API})")
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parser.add_argument("--timeout", type=float, default=45.0, help="seconds to wait for the extension (default 45; a cold page load takes time)")
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parser.add_argument("--scale", type=float, default=None, help="CSS-to-desktop pixel ratio (default: auto-detect)")
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parser.add_argument("--dry-run", action="store_true", help="move the cursor to the target but do not press")
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parser.add_argument("--force", action="store_true", help="click even if something is covering the element")
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parser.add_argument("--robotic", action="store_true",
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help="straight-line move and instant click, skipping the human motion model")
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parser.add_argument("--seed", type=int, default=None,
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help="seed the motion RNG so a run is reproducible (for debugging)")
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parser.add_argument("--no-activate", action="store_true",
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help="do not raise the browser first (the click may be eaten by window activation)")
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parser.add_argument("--text", default=None, help="text to type (action=type)")
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parser.add_argument("--stdin", action="store_true",
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help="read the text to type from stdin instead of --text, keeping it out of shell history")
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parser.add_argument("--clear", action="store_true",
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help="select-all and delete before typing, rather than appending at the caret")
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parser.add_argument("--allow-enter", action="store_true",
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help="permit newlines in the text (each one presses Enter, which may submit the form)")
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parser.add_argument("--no-verify", action="store_true",
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help="skip reading the field back after typing")
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args = parser.parse_args()
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# Anything that moves the mouse or presses a key needs pyautogui; check once,
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# up front, so a missing dependency reports itself rather than surfacing as an
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# ImportError from somewhere deeper.
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if args.action in ("click", "type"):
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try:
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import pyautogui # noqa: F401
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except ImportError:
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print("error: pyautogui is not installed — run: pip install -r requirements.txt",
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file=sys.stderr)
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return 1
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# Before anything asks the OS how big the screen is. No-op off Windows.
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dpi = focus.enable_dpi_awareness()
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if dpi:
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print(f" {dpi}")
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# ── resolve and vet the text before touching anything ───────────────────
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text = ""
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if args.action == "type":
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if args.stdin:
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text = sys.stdin.read()
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elif args.text is not None:
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text = args.text
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else:
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print("error: type needs --text or --stdin", file=sys.stderr)
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return 1
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if not text:
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print("error: nothing to type", file=sys.stderr)
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return 1
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import humanize as _h
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bad = _h.untypeable(text)
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if bad:
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print(f"error: pyautogui cannot type {''.join(bad)!r} and would silently "
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f"skip those characters, leaving a truncated value in the field.",
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file=sys.stderr)
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return 1
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if "\n" in text and not args.allow_enter:
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print("error: the text contains a newline, which presses Enter and may "
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"submit the form. Pass --allow-enter if that is intended.", file=sys.stderr)
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return 1
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dash = Dashboard(args.api)
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try:
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if not dash.status().get("enabled"):
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print("AutoBuyer capture is OFF — turn it on from the dashboard first.", file=sys.stderr)
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return 2
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except DashboardError as exc:
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print(f"error: {exc}", file=sys.stderr)
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return 1
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print(f"Locating {args.selector!r} …", flush=True)
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# `locate` never touches the mouse, so it stays a plain lookup.
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if args.action == "locate":
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try:
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found = dash.locate(args.selector, args.index, args.url, args.timeout, args.open_url)
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except DashboardError as exc:
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print(f"error: {exc}", file=sys.stderr)
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return 1
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print(describe(found, actions.scale_factor(found, args.scale)))
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return 0
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rng = random.Random(args.seed) if args.seed is not None else random.Random()
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try:
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actions.perform(
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dash,
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args.action,
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args.selector,
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index=args.index,
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url=args.url,
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open_url=args.open_url,
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signed_out=args.signed_out,
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text=text,
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clear=args.clear,
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scale=args.scale,
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timeout=args.timeout,
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rng=rng,
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activate=not args.no_activate,
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verify=not args.no_verify,
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force=args.force,
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dry_run=args.dry_run,
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robotic=args.robotic,
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on_located=lambda f: print(describe(f, actions.scale_factor(f, args.scale))),
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report=lambda m: print(f" {m}"),
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)
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except DashboardError as exc:
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print(f"error: {exc}", file=sys.stderr)
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return 1
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except actions.StepError as exc:
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print(f"\nerror: {exc}", file=sys.stderr)
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return exc.code
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if args.dry_run:
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print("\ndry run — cursor moved, nothing pressed or typed.")
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elif args.action == "click":
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print("\nclicked.")
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else:
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shown = text if len(text) <= 60 else text[:57] + "\u2026"
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print(f"\ntyped {shown!r}" + (" (field cleared first)" if args.clear else ""))
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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