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354 lines
13 KiB
Python
354 lines
13 KiB
Python
"""L2 LocatorRegistry：按 (app_version, resolution) 加载 YAML profile + 熔断接口。
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加载优先级：精确匹配 > 版本匹配 > default 兜底。
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熔断接口：record_image_failure / record_image_success / is_circuited，
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P1 阶段 no-op（opencv=None），P2 启用图像路径后生效。
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"""
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from __future__ import annotations
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import logging
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import os
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import re
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import time
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from typing import Optional
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import yaml
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from woc_bridge.ui.locators.base import GeomSpec, Selector
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logger = logging.getLogger("woc-bridge")
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class LocatorRegistry:
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"""选择器注册表。
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Attributes:
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profile_dir: YAML profile 目录绝对路径
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opencv: OpenCVBackend 实例（P1 阶段为 None，P2 启用图像路径）
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selectors: kind -> Selector 映射
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theme: 当前主题（light / dark），P1 阶段固定 light
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"""
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# 熔断参数：连续失败 10 次熔断 5 分钟
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_FAIL_THRESHOLD = 10
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_CIRCUIT_OPEN_SEC = 300.0
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def __init__(self, profile_dir: str, opencv=None) -> None:
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"""初始化注册表。
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Args:
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profile_dir: YAML profile 目录绝对路径
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opencv: OpenCVBackend 实例（P1 阶段为 None）
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"""
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self.profile_dir = profile_dir
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self.opencv = opencv
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self.selectors: dict[str, Selector] = {}
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self.theme: str = "light"
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self._fail_counts: dict[str, int] = {}
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self._circuit_open_until: dict[str, float] = {}
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# ------------------------------------------------------------------
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# Profile 加载
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# ------------------------------------------------------------------
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def load(self, app_version: str, resolution: tuple[int, int]) -> None:
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"""按精确 > 最近分辨率 > 版本 > default 优先级加载 YAML profile。
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Args:
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app_version: 微信版本号，如 "4.0"
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resolution: (width, height) 元组，如 (1920, 1080)
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"""
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exact_name = f"wechat_{app_version}_{resolution[0]}x{resolution[1]}.yaml"
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exact_path = os.path.join(self.profile_dir, exact_name)
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if os.path.exists(exact_path):
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logger.info(
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"[locator] load exact profile: %s (app_version=%s resolution=%s)",
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exact_name,
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app_version,
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resolution,
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)
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self._load_yaml(exact_path)
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return
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# 无精确匹配时，找同版本最近分辨率并按比例缩放绝对偏移
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nearest = self._find_nearest_profile(app_version, resolution)
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if nearest:
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name, profile_w, profile_h = nearest
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logger.info(
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"[locator] load nearest profile: %s for resolution=%s "
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"(scale=%.3fx%.3f)",
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name,
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resolution,
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resolution[0] / profile_w,
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resolution[1] / profile_h,
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)
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self._load_yaml(
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os.path.join(self.profile_dir, name),
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target_resolution=resolution,
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profile_resolution=(profile_w, profile_h),
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)
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return
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# 版本通用/默认兜底
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for name in [f"wechat_{app_version}.yaml", "default.yaml"]:
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path = os.path.join(self.profile_dir, name)
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if os.path.exists(path):
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logger.info(
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"[locator] load profile: %s (app_version=%s resolution=%s)",
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name,
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app_version,
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resolution,
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)
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self._load_yaml(path)
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return
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logger.warning(
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"[locator] no profile found in %s, fall back to built-in defaults "
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"(app_version=%s resolution=%s)",
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self.profile_dir,
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app_version,
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resolution,
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)
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self._load_defaults()
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def _find_nearest_profile(
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self, app_version: str, resolution: tuple[int, int]
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) -> Optional[tuple[str, int, int]]:
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"""找与当前分辨率最接近的 wechat_<version>_<w>x<h>.yaml。"""
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pattern = re.compile(rf"wechat_{re.escape(app_version)}_(\d+)x(\d+)\.yaml$")
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target_w, target_h = resolution
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target_area = target_w * target_h
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best: Optional[tuple[str, int, int]] = None
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best_score: Optional[float] = None
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for name in os.listdir(self.profile_dir):
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m = pattern.match(name)
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if not m:
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continue
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pw, ph = int(m.group(1)), int(m.group(2))
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area = pw * ph
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area_ratio = min(target_area, area) / max(target_area, area)
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aspect_diff = abs(target_w / target_h - pw / ph)
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# 面积越接近、宽高比越接近，分数越低
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score = (1 - area_ratio) + aspect_diff
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if best_score is None or score < best_score:
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best_score = score
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best = (name, pw, ph)
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return best
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def set_theme(self, theme: str) -> None:
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"""切换主题（light / dark）。"""
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if theme != self.theme:
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self.theme = theme
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logger.info("[locator] theme switched to %s", theme)
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# ------------------------------------------------------------------
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# 选择器访问 + 熔断
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# ------------------------------------------------------------------
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def get(self, kind: str) -> Selector:
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"""返回 kind 对应 Selector，无则返回 _default_selector(kind)。"""
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return self.selectors.get(kind) or self._default_selector(kind)
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def is_circuited(self, kind: str) -> bool:
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"""检查 kind 是否处于熔断期。
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熔断到期时自动重置失败计数，使半开状态允许完整次数的试探，
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而非首次失败即重新熔断。
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"""
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deadline = self._circuit_open_until.get(kind, 0)
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if time.monotonic() < deadline:
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return True
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# 熔断已到期：清理熔断标记和失败计数，进入半开状态
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if kind in self._circuit_open_until:
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self._circuit_open_until.pop(kind, None)
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self._fail_counts[kind] = 0
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logger.info(
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"[locator] kind=%s circuit recovered to HALF_OPEN (fail_count reset)",
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kind,
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)
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return False
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def record_image_failure(self, kind: str) -> None:
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"""记录一次图像匹配失败。连续 _FAIL_THRESHOLD 次后熔断 _CIRCUIT_OPEN_SEC 秒。"""
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self._fail_counts[kind] = self._fail_counts.get(kind, 0) + 1
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if self._fail_counts[kind] >= self._FAIL_THRESHOLD:
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self._circuit_open_until[kind] = time.monotonic() + self._CIRCUIT_OPEN_SEC
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logger.warning(
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"[locator] kind=%s image match circuit OPEN for %.0fs "
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"(fail_count=%d)",
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kind,
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self._CIRCUIT_OPEN_SEC,
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self._fail_counts[kind],
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)
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def record_image_success(self, kind: str) -> None:
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"""记录一次图像匹配成功，重置失败计数与熔断。"""
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self._fail_counts[kind] = 0
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self._circuit_open_until.pop(kind, None)
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# ------------------------------------------------------------------
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# YAML 解析与默认值
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# ------------------------------------------------------------------
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def _load_yaml(
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self,
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path: str,
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target_resolution: Optional[tuple[int, int]] = None,
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profile_resolution: Optional[tuple[int, int]] = None,
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) -> None:
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"""用 yaml.safe_load 加载 YAML 并填充 self.selectors。
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若提供 target_resolution 与 profile_resolution，则对 by_geom 中的
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绝对偏移 x_offset / y_offset 按分辨率比例缩放（宽高比不变时坐标更接近目标）。
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YAML 结构（每个 key 对应一个 Selector）：
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search_box:
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by_image: search_box.png # str，可省略
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by_geom: # dict，可省略
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relative_to: window
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x_ratio: 0.08
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y_ratio: 0.05
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x_offset: 0
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y_offset: 0
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threshold: 0.80
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require_image: false
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description: 搜索框
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"""
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try:
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with open(path, "r", encoding="utf-8") as f:
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data = yaml.safe_load(f) or {}
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except (OSError, yaml.YAMLError) as exc:
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logger.error("[locator] load yaml failed: %s (%s)", path, exc)
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self._load_defaults()
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return
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scale_x = scale_y = 1.0
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if target_resolution and profile_resolution:
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scale_x = target_resolution[0] / profile_resolution[0]
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scale_y = target_resolution[1] / profile_resolution[1]
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self.selectors.clear()
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for kind, spec in data.items():
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if not isinstance(spec, dict):
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continue
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by_image = spec.get("by_image")
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by_geom_raw = spec.get("by_geom")
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by_geom: Optional[GeomSpec] = None
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if isinstance(by_geom_raw, dict):
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by_geom = GeomSpec(
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relative_to=by_geom_raw.get("relative_to", "window"),
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x_ratio=float(by_geom_raw.get("x_ratio", 0.0)),
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y_ratio=float(by_geom_raw.get("y_ratio", 0.0)),
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x_offset=int(int(by_geom_raw.get("x_offset", 0)) * scale_x),
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y_offset=int(int(by_geom_raw.get("y_offset", 0)) * scale_y),
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)
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self.selectors[kind] = Selector(
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kind=kind,
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by_image=by_image,
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by_geom=by_geom,
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threshold=float(spec.get("threshold", 0.80)),
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require_image=bool(spec.get("require_image", False)),
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description=str(spec.get("description", "")),
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)
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logger.info(
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"[locator] loaded %d selectors from %s (scale=%.3fx%.3f)",
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len(self.selectors), path, scale_x, scale_y,
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)
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def _default_selector(self, kind: str) -> Selector:
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"""返回 kind 的兜底 Selector（仅 description 标注 default）。"""
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return Selector(kind=kind, description=f"default {kind}")
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def _load_defaults(self) -> None:
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"""从 xdotool_driver.py 现有硬编码常量迁移默认几何兜底。
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参考 spec 4.2 节 YAML 示例与项目记忆中的硬编码值，
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覆盖 6 个核心元素：search_box / send_button / input_box /
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input_box_empty / search_result_first / main_view。
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relative_to 字段仅作语义占位，实际坐标计算统一用 ratio + offset
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（offset 已含正负号区分方向，详见 Actions._geom_find）。
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"""
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defaults = {
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"session_manager_icon": Selector(
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kind="session_manager_icon",
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by_geom=GeomSpec(
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relative_to="window",
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x_ratio=0.018,
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y_ratio=0.109,
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x_offset=0,
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y_offset=0,
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),
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description="左侧导航栏顶部微信消息/会话管理图标",
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),
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"search_box": Selector(
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kind="search_box",
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by_geom=GeomSpec(
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relative_to="window",
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x_ratio=0.092,
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y_ratio=0.095,
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x_offset=0,
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y_offset=0,
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),
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description="左侧顶部搜索框",
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),
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"send_button": Selector(
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kind="send_button",
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by_geom=GeomSpec(
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relative_to="window",
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x_ratio=0.972,
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y_ratio=0.929,
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x_offset=0,
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y_offset=0,
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),
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description="右下角发送按钮",
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),
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"input_box": Selector(
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kind="input_box",
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by_geom=GeomSpec(
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relative_to="window",
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x_ratio=0.743,
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y_ratio=0.914,
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x_offset=0,
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y_offset=0,
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),
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description="聊天输入框",
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),
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"input_box_empty": Selector(
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kind="input_box_empty",
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by_geom=GeomSpec(
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relative_to="window",
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x_ratio=0.743,
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y_ratio=0.914,
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x_offset=0,
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y_offset=0,
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),
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description="空输入框灰色提示态（发送成功后校验）",
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),
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"search_result_first": Selector(
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kind="search_result_first",
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by_geom=GeomSpec(
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relative_to="window",
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x_ratio=0.078,
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y_ratio=0.174,
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x_offset=0,
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y_offset=0,
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),
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description="搜索结果第一项",
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),
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"main_view": Selector(
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kind="main_view",
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by_geom=GeomSpec(
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relative_to="window",
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x_ratio=0.65,
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y_ratio=0.50,
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x_offset=0,
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y_offset=0,
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),
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description="主聊天视图（post_verify 校验用）",
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),
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}
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self.selectors.clear()
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self.selectors.update(defaults)
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logger.info(
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"[locator] loaded %d built-in default selectors", len(self.selectors)
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)
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