fix: 蛇形遍历颜色并逐色采价 (#37)

This commit is contained in:
chengma
2026-08-08 09:25:40 +08:00
parent e08fd89c91
commit 9562da9aad
7 changed files with 668 additions and 202 deletions
+403 -181
View File
@@ -7,7 +7,6 @@
from __future__ import annotations
import hashlib
import itertools
import re
import time
import xml.etree.ElementTree as ET
@@ -137,6 +136,24 @@ class SpecSnapshot:
list_price_cent: Optional[int]
@dataclass(frozen=True)
class VisibleSpecOption:
"""当前控件树中完整可点击的规格节点。"""
text: str
available: bool
bounds: Bounds
@dataclass(frozen=True)
class ColorPriceSample:
"""点击一个颜色后稳定读取到的颜色级价格。"""
price_cent: Optional[int]
raw_price: Optional[str]
list_price_cent: Optional[int]
@dataclass(frozen=True)
class CollectResult:
"""与 ``pdd_data`` v1 对应的采集结果。"""
@@ -526,31 +543,6 @@ def _ancestors(
return result
def merge_dimensions(snapshots: Iterable[SpecSnapshot]) -> tuple[SpecDimension, ...]:
"""合并滚动过程中多棵控件树看到的规格值。"""
order: list[str] = []
names: dict[str, str] = {}
values: dict[str, dict[str, bool]] = {}
for snapshot in snapshots:
for dimension in snapshot.dimensions:
if dimension.key not in values:
order.append(dimension.key)
names[dimension.key] = dimension.name
values[dimension.key] = {}
for value in dimension.values:
was_available = values[dimension.key].get(value.text, False)
values[dimension.key][value.text] = was_available or value.available
return tuple(
SpecDimension(
key,
names[key],
tuple(DimensionValue(text, available) for text, available in values[key].items()),
)
for key in order
)
def _raise_special_page(labels: Sequence[str]) -> None:
combined = " ".join(labels)
if any(marker in combined for marker in _CAPTCHA_MARKERS):
@@ -651,7 +643,7 @@ class PddCollectService:
if artifact:
self._artifacts.append(artifact)
home_xml = device.dump_hierarchy()
home_xml = self._dump_hierarchy(device)
coordinate = get_size_panel_coord(home_xml)
if coordinate is None:
raise PddCollectError(
@@ -661,14 +653,31 @@ class PddCollectService:
device.click(*coordinate)
self._wait_spec_panel(device)
snapshots = self._discover_dimensions(device)
dimensions = merge_dimensions(snapshots)
color_dimension, color_samples = self._collect_color_prices(device)
missing_prices = [
color.text
for color in color_dimension.values
if color.available
and color_samples[color.text].price_cent is None
]
if missing_prices:
raise PddCollectError(
"PDD_DATA_PRICE_MISSING",
"以下可用颜色没有采集到稳定价格:"
+ "、".join(missing_prices),
)
size_dimension = self._collect_size_dimension(device)
dimensions = (color_dimension,)
if size_dimension is not None:
dimensions += (size_dimension,)
if not dimensions or any(not item.values for item in dimensions):
raise PddCollectError(
"PDD_DATA_SPEC_INCOMPLETE",
"规格面板没有采集到完整的规格维度",
)
skus = self._collect_skus(device, dimensions)
skus = self._build_color_price_skus(
dimensions, color_samples
)
has_available_price = any(
item.price_cent is not None for item in skus if item.available
)
@@ -739,9 +748,7 @@ class PddCollectService:
while self._monotonic() < deadline:
self._check_cancelled()
current = device.app_current()
xml_data = device.dump_hierarchy()
self._last_goods_xml = str(xml_data)
self._goods_screens_checked += 1
xml_data = self._dump_hierarchy(device)
root = _parse_xml(xml_data)
last_labels = _all_labels(root)
pdd_node_count = sum(
@@ -766,9 +773,7 @@ class PddCollectService:
"""只读商品首页当前视口,不在打开规格面板前滚动详情页。"""
self._check_cancelled()
xml_data = device.dump_hierarchy()
self._last_goods_xml = str(xml_data)
self._goods_screens_checked += 1
xml_data = self._dump_hierarchy(device)
return parse_goods_page(xml_data)
def _wait_spec_panel(self, device: Any) -> SpecSnapshot:
@@ -777,9 +782,7 @@ class PddCollectService:
deadline = self._monotonic() + self._spec_panel_timeout
while self._monotonic() < deadline:
self._check_cancelled()
xml_data = device.dump_hierarchy()
self._last_goods_xml = str(xml_data)
self._goods_screens_checked += 1
xml_data = self._dump_hierarchy(device)
try:
snapshot = parse_spec_panel(xml_data)
except PddCollectError as exc:
@@ -815,176 +818,395 @@ class PddCollectService:
except OSError:
return None
def _discover_dimensions(self, device: Any) -> list[SpecSnapshot]:
snapshots: list[SpecSnapshot] = []
def _dump_hierarchy(self, device: Any) -> str:
"""读取并记住最新控件树,失败诊断必须指向最后一次操作。"""
# 当前选中项可能让列表自动停在中间。因此横向和纵向都扫描两个方向,
# 不能假设打开面板时正好位于列表起点。
for horizontal, region_getter in (
(True, self._horizontal_region),
(False, self._vertical_region),
):
for reverse in (False, True):
previous_signature: Optional[
tuple[tuple[str, tuple[str, ...]], ...]
] = None
for _ in range(self._max_spec_swipes + 1):
self._check_cancelled()
xml_data = device.dump_hierarchy()
snapshot = parse_spec_panel(xml_data)
snapshots.append(snapshot)
signature = tuple(
(item.name, tuple(value.text for value in item.values))
for item in snapshot.dimensions
raw_xml = device.dump_hierarchy()
xml_data = (
raw_xml.decode("utf-8", errors="replace")
if isinstance(raw_xml, bytes)
else str(raw_xml)
)
root = _parse_xml(xml_data)
region = region_getter(root)
if region is None or signature == previous_signature:
break
previous_signature = signature
self._swipe_region(
device,
region,
horizontal=horizontal,
reverse=reverse,
)
self._sleep(0.35)
return snapshots
self._last_goods_xml = xml_data
self._goods_screens_checked += 1
return xml_data
def _collect_skus(
self,
device: Any,
dimensions: tuple[SpecDimension, ...],
) -> tuple[SkuResult, ...]:
combinations = list(itertools.product(*(item.values for item in dimensions)))
if len(combinations) > self._max_sku_count:
raise PddCollectError(
"PDD_DATA_TOO_MANY_SKUS",
f"规格组合共 {len(combinations)} 个,超过安全上限 {self._max_sku_count}",
)
def _collect_color_prices(
self, device: Any
) -> tuple[SpecDimension, Mapping[str, ColorPriceSample]]:
"""按行蛇形遍历颜色,并在每次点击后立即读取颜色级价格。"""
color_index = next(
(index for index, item in enumerate(dimensions) if item.key == "color"),
None,
)
if color_index is None:
self._move_color_list_to_left(device)
first_xml = self._dump_hierarchy(device)
first_rows = self._visible_color_rows(first_xml)
if not first_rows:
raise PddCollectError(
"PDD_DATA_SPEC_INCOMPLETE", "规格面板没有可识别的颜色分类"
)
samples: dict[
str,
tuple[Optional[int], Optional[str], Optional[int], dict[str, str]],
] = {}
color_dimension = dimensions[color_index]
for color in color_dimension.values:
row_count = len(first_rows)
visited: set[str] = set()
ordered_colors: list[DimensionValue] = []
samples: dict[str, ColorPriceSample] = {}
for row_index in range(row_count):
move_right = row_index % 2 == 0
current_row_colors: list[DimensionValue] = []
stable_edge_reads = 0
previous_signature: Optional[tuple[tuple[str, Bounds], ...]] = None
for swipe_count in range(self._max_spec_swipes + 1):
self._check_cancelled()
if not color.available:
samples[color.text] = (None, None, None, {"color": color.text})
continue
selected = self._select_option(device, color.text, color_dimension.key)
if not selected:
samples[color.text] = (None, None, None, {"color": color.text})
continue
snapshot = parse_spec_panel(device.dump_hierarchy())
summary = snapshot.selected_text or ""
observed: dict[str, str] = {}
for dimension in dimensions:
match = next(
(value.text for value in dimension.values if value.text in summary),
# 每次只处理一个节点;点击可能让列表自动移动,下一项必须
# 从最新 XML 重新计算,不能继续使用点击前的旧坐标。
while True:
xml_data = self._dump_hierarchy(device)
rows = self._visible_color_rows(xml_data)
if row_index >= len(rows):
raise PddCollectError(
"PDD_DATA_SPEC_INCOMPLETE",
f"颜色第 {row_index + 1} 行在滑动后消失",
)
current_row = sorted(
rows[row_index],
key=lambda item: item.bounds[0],
reverse=not move_right,
)
visible = next(
(item for item in current_row if item.text not in visited),
None,
)
if match:
observed[dimension.key] = match
confirmed = (
observed.get(color_dimension.key) == color.text
and len(observed) == len(dimensions)
if visible is None:
break
visited.add(visible.text)
color = DimensionValue(visible.text, visible.available)
current_row_colors.append(color)
if visible.available:
samples[visible.text] = self._click_and_sample_color(
device, visible.text
)
samples[color.text] = (
snapshot.price_cent if confirmed else None,
snapshot.raw_price if confirmed else None,
snapshot.list_price_cent if confirmed else None,
observed,
else:
samples[visible.text] = ColorPriceSample(
None, None, None
)
results: list[SkuResult] = []
for values in combinations:
options = {
dimension.key: value.text
for dimension, value in zip(dimensions, values)
}
price, raw_price, list_price, observed = samples[values[color_index].text]
available = all(value.available for value in values) and price is not None
results.append(
SkuResult(
options,
price if available else None,
available,
raw_price if available else None,
observed,
list_price if available else None,
)
)
return tuple(results)
signature = tuple((item.text, item.bounds) for item in current_row)
if signature == previous_signature:
stable_edge_reads += 1
else:
stable_edge_reads = 0
previous_signature = signature
if stable_edge_reads >= 2 or swipe_count >= self._max_spec_swipes:
break
def _select_combination(
self,
device: Any,
pairs: Sequence[tuple[SpecDimension, DimensionValue]],
) -> bool:
for dimension, value in pairs:
if not self._select_option(device, value.text, dimension.key):
return False
return True
def _select_option(self, device: Any, target: str, dimension_key: str) -> bool:
prefer_horizontal = dimension_key == "color" or dimension_key.startswith(
"color_"
root = _parse_xml(self._dump_hierarchy(device))
region = self._horizontal_region(root)
if region is None:
break
self._swipe_region(
device,
region,
horizontal=True,
reverse=not move_right,
)
for reverse in (False, True):
previous_signature: Optional[tuple[str, ...]] = None
for _ in range(self._max_spec_swipes + 1):
self._sleep(0.35)
# 操作采用蛇形以减少无效滑动;输出仍恢复成页面自然的
# “每行从左到右”顺序,方便 Admin 下拉框稳定展示。
ordered_colors.extend(
current_row_colors if move_right else reversed(current_row_colors)
)
if not ordered_colors:
raise PddCollectError(
"PDD_DATA_SPEC_INCOMPLETE", "规格面板没有采集到颜色"
)
return (
SpecDimension("color", "颜色分类", tuple(ordered_colors)),
samples,
)
def _move_color_list_to_left(self, device: Any) -> None:
"""把颜色列表归位到左端;连续两次视口不变才认为到边。"""
previous_signature: Optional[tuple[tuple[str, Bounds], ...]] = None
stable_edge_reads = 0
for _ in range(self._max_spec_swipes):
self._check_cancelled()
xml_data = device.dump_hierarchy()
xml_data = self._dump_hierarchy(device)
rows = self._visible_color_rows(xml_data)
signature = tuple(
(item.text, item.bounds) for row in rows for item in row
)
if signature == previous_signature:
stable_edge_reads += 1
else:
stable_edge_reads = 0
previous_signature = signature
if stable_edge_reads >= 2:
return
root = _parse_xml(xml_data)
node = self._find_option_node(root, target)
if node is not None:
if not _is_available(node):
return False
region = self._horizontal_region(root)
if region is None:
return
self._swipe_region(
device, region, horizontal=True, reverse=True
)
self._sleep(0.35)
def _click_and_sample_color(
self, device: Any, target: str
) -> ColorPriceSample:
"""点击最新树中的颜色,等待选择和价格连续两次稳定。"""
xml_data = self._dump_hierarchy(device)
root = _parse_xml(xml_data)
latest_visible = next(
(
item
for row in self._visible_color_rows(xml_data)
for item in row
if item.text == target
),
None,
)
node = self._find_option_node(root, target) if latest_visible else None
if node is None or not _is_available(node):
return ColorPriceSample(None, None, None)
bounds = _parse_bounds(node.get("bounds", ""))
assert bounds is not None
device.click(
(bounds[0] + bounds[2]) // 2,
(bounds[1] + bounds[3]) // 2,
)
self._sleep(0.25)
labels = _all_labels(_parse_xml(device.dump_hierarchy()))
return target in " ".join(labels)
signature = tuple(_all_labels(root))
if signature == previous_signature:
break
previous_signature = signature
horizontal = self._horizontal_region(root)
vertical = self._vertical_region(root)
if horizontal is not None and (prefer_horizontal or vertical is None):
self._swipe_region(
device,
horizontal,
horizontal=True,
reverse=reverse,
)
elif vertical is not None:
self._swipe_region(
device,
vertical,
horizontal=False,
reverse=reverse,
previous_price: Optional[tuple[int, Optional[str], Optional[int]]] = None
stable_price_reads = 0
for _ in range(8):
self._check_cancelled()
self._sleep(0.2)
latest_xml = self._dump_hierarchy(device)
latest_root = _parse_xml(latest_xml)
snapshot = parse_spec_panel(latest_xml)
latest_node = self._find_option_node(latest_root, target)
selection_exposed = self._color_selection_state_exposed(latest_xml)
selected = bool(
latest_node is not None and self._node_is_selected(latest_node)
) or bool(snapshot.selected_text and target in snapshot.selected_text)
# 老版本页面不暴露 selected/checked,也没有“已选”摘要时,
# 只能以完整可见可点击节点未报错的点击作为降级证据。
selection_confirmed = selected or not selection_exposed
if snapshot.price_cent is None or not selection_confirmed:
stable_price_reads = 0
previous_price = None
continue
current_price = (
snapshot.price_cent,
snapshot.raw_price,
snapshot.list_price_cent,
)
if current_price == previous_price:
stable_price_reads += 1
else:
stable_price_reads = 1
previous_price = current_price
if stable_price_reads >= 2:
return ColorPriceSample(
snapshot.price_cent,
snapshot.raw_price,
snapshot.list_price_cent,
)
return ColorPriceSample(None, None, None)
def _collect_size_dimension(self, device: Any) -> Optional[SpecDimension]:
"""颜色采价完成后只滚动并收集尺码文字,不点击尺码。"""
sizes: dict[str, bool] = {}
previous_signature: Optional[
tuple[tuple[str, tuple[str, ...]], ...]
] = None
stable_edge_reads = 0
for swipe_count in range(self._max_spec_swipes + 1):
self._check_cancelled()
xml_data = self._dump_hierarchy(device)
snapshot = parse_spec_panel(xml_data)
for dimension in snapshot.dimensions:
if dimension.key not in ("color", "size"):
raise PddCollectError(
"PDD_DATA_SPEC_UNSUPPORTED",
f"发现尚未支持的规格维度:{dimension.name}",
)
if dimension.key == "size":
for value in dimension.values:
sizes[value.text] = sizes.get(value.text, False) or value.available
signature = tuple(
(item.key, tuple(value.text for value in item.values))
for item in snapshot.dimensions
)
if signature == previous_signature:
stable_edge_reads += 1
else:
stable_edge_reads = 0
previous_signature = signature
if stable_edge_reads >= 2 or swipe_count >= self._max_spec_swipes:
break
root = _parse_xml(xml_data)
region = self._vertical_region(root)
if region is None:
break
self._swipe_region(
device, region, horizontal=False, reverse=False
)
self._sleep(0.35)
if not sizes:
return None
return SpecDimension(
"size",
"尺码",
tuple(DimensionValue(text, available) for text, available in sizes.items()),
)
def _build_color_price_skus(
self,
dimensions: tuple[SpecDimension, ...],
samples: Mapping[str, ColorPriceSample],
) -> tuple[SkuResult, ...]:
"""按颜色价格生成展示组合;采价证据只记录真实选中的颜色。"""
colors = dimensions[0].values
sizes = dimensions[1].values if len(dimensions) > 1 else (None,)
combination_count = len(colors) * len(sizes)
if combination_count > self._max_sku_count:
raise PddCollectError(
"PDD_DATA_TOO_MANY_SKUS",
f"规格组合共 {combination_count} 个,超过安全上限 {self._max_sku_count}",
)
results: list[SkuResult] = []
for color in colors:
sample = samples[color.text]
for size in sizes:
options = {"color": color.text}
if size is not None:
options["size"] = size.text
available = (
color.available
and (size is None or size.available)
and sample.price_cent is not None
)
results.append(
SkuResult(
options,
sample.price_cent if available else None,
available,
sample.raw_price if available else None,
{"color": color.text}
if sample.price_cent is not None
else {},
sample.list_price_cent if available else None,
)
)
return tuple(results)
def _visible_color_rows(
self, xml_data: str | bytes
) -> list[list[VisibleSpecOption]]:
"""把当前视口中完整显示的颜色节点按中心 y 聚类成行。"""
root = _parse_xml(xml_data)
snapshot = parse_spec_panel(xml_data)
color_dimension = next(
(item for item in snapshot.dimensions if item.key == "color"),
None,
)
if color_dimension is None:
return []
candidates: list[VisibleSpecOption] = []
for value in color_dimension.values:
node = self._find_option_node(root, value.text)
if node is None:
continue
bounds = _parse_bounds(node.get("bounds", ""))
if bounds is None:
continue
candidates.append(
VisibleSpecOption(
value.text,
value.available,
bounds,
)
)
if not candidates:
return []
widest = max(item.bounds[2] - item.bounds[0] for item in candidates)
minimum_width = max(48, int(widest * 0.6))
complete = [
item
for item in candidates
if item.bounds[2] - item.bounds[0] >= minimum_width
]
complete.sort(key=lambda item: ((item.bounds[1] + item.bounds[3]) // 2, item.bounds[0]))
rows: list[list[VisibleSpecOption]] = []
row_centers: list[int] = []
for item in complete:
center_y = (item.bounds[1] + item.bounds[3]) // 2
matching_index = next(
(
index
for index, row_center in enumerate(row_centers)
if abs(center_y - row_center) <= 80
),
None,
)
if matching_index is None:
rows.append([item])
row_centers.append(center_y)
else:
rows[matching_index].append(item)
for row in rows:
row.sort(key=lambda item: item.bounds[0])
return rows
@staticmethod
def _node_selection_state_exposed(node: ET.Element) -> bool:
return any(
item.get("selected") is not None or item.get("checked") is not None
for item in node.iter()
)
@staticmethod
def _node_is_selected(node: ET.Element) -> bool:
return any(
item.get("selected") == "true" or item.get("checked") == "true"
for item in node.iter()
)
def _color_selection_state_exposed(self, xml_data: str | bytes) -> bool:
root = _parse_xml(xml_data)
snapshot = parse_spec_panel(xml_data)
if snapshot.selected_text:
return True
color_dimension = next(
(item for item in snapshot.dimensions if item.key == "color"),
None,
)
if color_dimension is None:
return False
self._sleep(0.25)
return False
return any(
node is not None and self._node_selection_state_exposed(node)
for value in color_dimension.values
if (node := self._find_option_node(root, value.text)) is not None
)
@staticmethod
def _find_option_node(root: ET.Element, target: str) -> Optional[ET.Element]:
+209 -2
View File
@@ -92,6 +92,127 @@ class PanelDoesNotOpenDevice(FakeCollectDevice):
self.clicks.append((x, y))
class SnakeColorDevice(FakeCollectDevice):
"""模拟两行横向颜色网格和滚动后才出现的尺码区域。"""
prices = {
"A色": 1000,
"B色": 1000,
"C色": 1200,
"D色": 1300,
"E色": 1400,
"F色": 1500,
}
def __init__(self, home_xml):
super().__init__(home_xml, "")
self.page = 1
self.selected_color = "A色"
self.sizes_visible = False
self.clicked_colors = []
def dump_hierarchy(self):
if not self.panel_open:
return self.home_xml
return self._spec_xml()
def click(self, x, y):
self.clicks.append((x, y))
if not self.panel_open:
self.panel_open = True
return
for name, bounds in self._current_color_bounds().items():
left, top, right, bottom = bounds
if left <= x <= right and top <= y <= bottom:
self.selected_color = name
self.clicked_colors.append(name)
return
def swipe(self, x1, y1, x2, y2, duration=0.35):
self.swipes.append(((x1, y1, x2, y2), {"duration": duration}))
self.swipe_panel_states.append(self.panel_open)
if abs(x2 - x1) > abs(y2 - y1):
self.page = 1 if x1 > x2 else 0
else:
self.sizes_visible = True
def _current_color_bounds(self):
if self.page == 0:
return {
"A色": (36, 740, 340, 850),
"B色": (370, 740, 674, 850),
"C色": (1044, 740, 1080, 850),
"D色": (36, 900, 340, 1010),
"E色": (370, 900, 674, 1010),
"F色": (1044, 900, 1080, 1010),
}
return {
"A色": (0, 740, 20, 850),
"B色": (36, 740, 340, 850),
"C色": (370, 740, 674, 850),
"D色": (0, 900, 20, 1010),
"E色": (36, 900, 340, 1010),
"F色": (370, 900, 674, 1010),
}
def _spec_xml(self):
color_nodes = []
for name, bounds in self._current_color_bounds().items():
left, top, right, bottom = bounds
selected = "true" if name == self.selected_color else "false"
color_nodes.append(
f'<node class="android.view.ViewGroup" content-desc="{name}" '
f'clickable="true" selected="{selected}" '
f'bounds="[{left},{top}][{right},{bottom}]" '
'visible-to-user="true" enabled="true" />'
)
size_nodes = ""
if self.sizes_visible:
size_nodes = """
<node class="android.widget.TextView" text="尺码"
bounds="[36,1120][130,1180]" visible-to-user="true"
enabled="true" />
<node class="android.view.ViewGroup" content-desc="M"
clickable="true" bounds="[36,1210][340,1300]"
visible-to-user="true" enabled="true" />
<node class="android.view.ViewGroup" content-desc="L"
clickable="true" bounds="[370,1210][674,1300]"
visible-to-user="true" enabled="true" />
"""
price = self.prices[self.selected_color] / 100
return f"""<hierarchy>
<node class="android.widget.FrameLayout" bounds="[0,0][1080,2000]"
visible-to-user="true" enabled="true">
<node class="android.widget.TextView" text="¥{price:.2f}"
bounds="[390,300][650,380]" visible-to-user="true"
enabled="true" />
<node class="androidx.recyclerview.widget.RecyclerView"
scrollable="true" bounds="[0,600][1080,1700]"
visible-to-user="true" enabled="true">
<node class="android.widget.TextView" text="颜色分类"
bounds="[36,650][200,710]" visible-to-user="true"
enabled="true" />
<node class="androidx.recyclerview.widget.RecyclerView"
scrollable="true" bounds="[36,720][1044,1060]"
visible-to-user="true" enabled="true">
{''.join(color_nodes)}
</node>
{size_nodes}
</node>
</node>
</hierarchy>"""
class IgnoredColorClickDevice(SnakeColorDevice):
"""页面暴露选中状态,但模拟一次没有生效的颜色点击。"""
def click(self, x, y):
if not self.panel_open:
super().click(x, y)
return
self.clicks.append((x, y))
def keep_only_one_sku(xml_data: str) -> str:
"""从脱敏固件中删除蓝色和 L,只保留一个组合。"""
@@ -202,7 +323,7 @@ class PddCollectParserTest(unittest.TestCase):
self.assertEqual(data["skus"][0]["price_cent"], 1000)
self.assertEqual(
data["skus"][0]["price_observed_at"],
{"color": "红色", "size": "M"},
{"color": "红色"},
)
self.assertEqual(data["source"]["device_address"], "USB-001")
self.assertIsNone(data["purchase"])
@@ -248,11 +369,97 @@ class PddCollectParserTest(unittest.TestCase):
item for item in data["skus"] if item["options"]["color"] == "红色"
]
self.assertEqual(
{item["price_observed_at"]["size"] for item in red_skus}, {"M"}
{item["price_observed_at"]["color"] for item in red_skus},
{"红色"},
)
self.assertTrue(
all(
set(item["price_observed_at"]) == {"color"}
for item in red_skus
)
)
# 1 次打开规格面板,另有红色点 1 次;尺码只读不点击。
self.assertEqual(len(device.clicks), 2)
def test_colors_are_sampled_in_snake_order_before_sizes_are_read(self):
device = SnakeColorDevice(self.home_xml)
service = PddCollectService(
PddDeviceService(lambda _serial: device),
"USB-001",
"client-001",
sleeper=lambda _seconds: None,
)
data = service.collect(
FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
).to_pdd_data()
self.assertEqual(
device.clicked_colors,
["A色", "B色", "C色", "F色", "E色", "D色"],
)
self.assertEqual(
[item["text"] for item in data["dimensions"][0]["values"]],
["A色", "B色", "C色", "D色", "E色", "F色"],
)
self.assertEqual(
[item["text"] for item in data["dimensions"][1]["values"]],
["M", "L"],
)
color_prices = {
item["options"]["color"]: item["price_cent"]
for item in data["skus"]
if item["options"]["size"] == "M"
}
self.assertEqual(color_prices["A色"], 1000)
self.assertEqual(color_prices["B色"], 1000)
self.assertEqual(color_prices["F色"], 1500)
self.assertTrue(all(
item["price_observed_at"] == {"color": item["options"]["color"]}
for item in data["skus"]
))
def test_visible_click_is_fallback_when_page_exposes_no_selection_state(self):
xml_data = keep_only_one_sku(self.spec_xml)
root = ET.fromstring(xml_data)
for parent in root.iter():
for child in list(parent):
if (child.get("text") or "").startswith("已选"):
parent.remove(child)
xml_without_selection = ET.tostring(root, encoding="unicode")
device = FakeCollectDevice(self.home_xml, xml_without_selection)
service = PddCollectService(
PddDeviceService(lambda _serial: device),
"USB-001",
"client-001",
sleeper=lambda _seconds: None,
max_spec_swipes=0,
)
data = service.collect(
FakeTask("https://mobile.yangkeduo.com/goods.html?goods_id=123")
).to_pdd_data()
self.assertEqual(data["skus"][0]["price_cent"], 1000)
self.assertEqual(
data["skus"][0]["price_observed_at"], {"color": "红色"}
)
def test_visible_text_does_not_confirm_an_ignored_click(self):
device = IgnoredColorClickDevice(self.home_xml)
device.panel_open = True
device.page = 0
service = PddCollectService(
PddDeviceService(lambda _serial: device),
"USB-001",
"client-001",
sleeper=lambda _seconds: None,
)
sample = service._click_and_sample_color(device, "B色")
self.assertIsNone(sample.price_cent)
def test_missing_goods_id_is_structured_error(self):
service = PddCollectService(
PddDeviceService(lambda _serial: object()),
+20 -2
View File
@@ -65,9 +65,10 @@ class PddRealXmlFixtureTest(unittest.TestCase):
)
def test_real_spec_panel_has_all_colors_and_two_prices(self):
result = parse_spec_panel(
(REAL_XML / "737116531267_size.xml").read_text(encoding="utf-8")
xml_data = (REAL_XML / "737116531267_size.xml").read_text(
encoding="utf-8"
)
result = parse_spec_panel(xml_data)
colors = next(item for item in result.dimensions if item.key == "color")
self.assertEqual(len(colors.values), 8)
@@ -75,6 +76,23 @@ class PddRealXmlFixtureTest(unittest.TestCase):
self.assertEqual(result.price_cent, 470)
self.assertEqual(result.list_price_cent, 1990)
service = PddCollectService(
PddDeviceService(lambda _serial: object()),
"USB-001",
"client-001",
max_spec_swipes=0,
)
rows = service._visible_color_rows(xml_data)
self.assertEqual(len(rows), 2)
self.assertEqual(
[item.text for item in rows[0]],
["黑色中长款", "白色中长款", "卡其中长款"],
)
self.assertEqual(
[item.text for item in rows[1]],
["黑色长款", "白色长款", "卡其长款"],
)
def test_real_home_xml_has_immediate_spec_entry(self):
xml_data = (REAL_XML / "737116531267_home.xml").read_text(
encoding="utf-8"
+8 -2
View File
@@ -50,10 +50,16 @@ Client 顶级导航仅包含:
- 已拼数量及原始显示文字;
- 评价数量及原始显示文字(当前首页未提供时允许留空,不能为此反复滚动并阻塞规格采集);
- 所有规格维度及其可见值;
- 每个规格组合对应的价格、币种和可用状态;
- 每个颜色对应的价格、币种,以及当前控件树显示的规格可用状态;
- 采集时间、设备及必要诊断产物引用。
颜色、尺码和价格不能只保存为互不关联的列表,必须以 SKU 规格组合保存价格关系。对于“1.2 万+”等近似数值,同时保存规范化数值、原始文字和近似标记。
当前业务按颜色采价:进入规格面板后逐个选中颜色并立即读取稳定价格;尺码只
收集文字和当前显示的可用状态,不逐个选择、不单独采价。提交时仍以 SKU 规格
组合保存颜色与尺码关系,同一颜色的组合复用该颜色价格,
`price_observed_at` 只记录实际选中的颜色,不得虚构已选尺码。以后需要按尺码
区分价格或组合库存时,必须另行确认并改用 `price_granularity=sku`。
对于“1.2 万+”等近似数值,同时保存规范化数值、原始文字和近似标记。
### 4.2 采购任务
+8 -2
View File
@@ -355,8 +355,14 @@ reconcile_purchase(task, run) -> PurchaseResult | ManualReview
PDD 页面可能出现登录失效、验证码、控件树不完整、A/B 页面、库存变化和价格变化。适配层必须返回结构化错误,不得把这些情况统一返回 `False`。
采集商品时按“首页就绪 → 读取当前首页摘要 → 点击规格入口 → 确认规格面板
出现 → 扫描颜色和尺码”的顺序执行。打开规格面板前不得为了寻找评价或店铺
连续滚动商品详情;这两个可选字段缺失时保存证据,但不阻塞核心 SKU 采集。
出现 → 颜色列表归左 → 按行蛇形逐色点击并采价 → 向下滚动并只读尺码 →
组装结果”的顺序执行。颜色点击可能改变列表位置,因此每次点击后必须重新读取
控件树,不能复用旧坐标;左右边缘以连续两次没有新颜色且视口稳定为准。
当前业务价格粒度固定为颜色。第一行从左到右、下一行从右到左交替遍历,操作
顺序采用蛇形以减少滑动,输出维度仍恢复为页面每行从左到右的自然顺序。尺码
只读取文字和当前可用状态,不点击、不参与采价。打开规格面板前不得为了寻找
评价或店铺连续滚动商品详情;这两个可选字段缺失时保存证据,但不阻塞核心采集。
## 10. 关键架构决策
+7
View File
@@ -502,6 +502,7 @@ CREATE TABLE app_settings (
{
"options": {"color": "黑色", "size": "L"},
"price_cent": 3990,
"price_observed_at": {"color": "黑色"},
"currency": "CNY",
"available": true,
"raw_price": "¥39.90"
@@ -518,6 +519,12 @@ CREATE TABLE app_settings (
}
```
当前采集任务使用 `price_granularity=color`。Client 逐个选中颜色读取价格,
尺码只读取文字;因此同一颜色的多个尺码组合可以共享颜色价格,但
`price_observed_at` 只能包含实际选中的颜色。它不能填写未点击、未确认的尺码。
这里的 `available` 来自当前规格节点显示状态,不表示 Client 已逐个验证了每个
颜色与尺码组合的实时库存。
### 8.2 采购结果
采购任务在同一结构中增加:
+2 -2
View File
@@ -283,7 +283,7 @@ Idempotency-Key: task-id:attempt-id:result-v1
"options": {"color": "黑色", "size": "M"},
"price_cent": 470,
"list_price_cent": 1990,
"price_observed_at": {"color": "黑色", "size": "M"},
"price_observed_at": {"color": "黑色"},
"available": true,
"raw_price": "折后¥4.7"
}]
@@ -309,7 +309,7 @@ Idempotency-Key: task-id:attempt-id:result-v1
- `[必须]` 相同键但不同内容返回 `409 IDEMPOTENCY_CONFLICT`。
- `[必须]` Client 只有收到 `accepted: true` 后才能把本地任务标为 `succeeded`。
- `[必须]` `price_cent` 是实际支付价的整数分;划线价可放在 `list_price_cent`。
- `[必须]` `price_granularity` 只能是 `color` 或 `sku`。按颜色采样时填 `color`,并为每条 SKU 填写读取该价格时实际选中的 `price_observed_at`。
- `[必须]` `price_granularity` 只能是 `color` 或 `sku`。当前 Client 按颜色采样时填 `color`;同一颜色的尺码组合可以共享颜色价格,但 `price_observed_at` 只填写实际选中的颜色,不得虚构尺码。以后逐个选择完整组合采价时才使用 `sku`。
- `[必须]` `shop_name` 采不到时允许省略或留空;Admin 不得因此拒绝老版本 Client,也不得用空值覆盖已保存的店铺名。
### 6.1 Admin 必须无条件接受