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fix(client): bind SKU entry to verified parent chain

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This commit is contained in:
QiuSW
2026-08-04 18:21:30 +08:00
parent 13547728fc
commit 44586fef38
3 changed files with 149 additions and 16 deletions
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client/src/cmbuyer_client/pdd/sku_selection.py
+51 -2
View File
@@ -17,6 +17,9 @@ EXPECTED_UNIT_PRICE = "12.88"
TASK_TO_UI_SELECTION = {("黑色CHA(纯棉)", "M(建议100-115)"): ("黑色 CHA (纯棉）", "M（建议100-115）")}
_TARGET_COLOR_UI, _TARGET_SIZE_UI = next(iter(TASK_TO_UI_SELECTION.values()))
_ENTRY = "快要抢光"
_ENTRY_TEXT_BOUNDS = "[900,1312][1056,1355]"
_ENTRY_INNER_BOUNDS = "[712,1312][1056,1355]"
_ENTRY_ACTION_BOUNDS = "[0,1256][1080,1355]"
_SIZE = "尺码"
_W, _H = 1080, 2376
_PRICE_PARENT = "[396,498][895,570]"
@@ -352,9 +355,55 @@ def _choice(node: _Node) -> bool:
def _eligible_entries(nodes: list[_Node]) -> list[_Node]:
# 面板与底部硬拒绝区绝不能被误作商品页入口；入口仍只按经取证精确文案、包、状态判定。
# 入口文本本身不可点击：必须逐层证明它仍位于已取证的唯一可点击祖先中，但动作坐标继续
# 使用文本子节点的窄 bounds，避免把同一祖先内未知区域变成坐标兜底。“免拼购买”等底部
# 容器既不属于这条祖先链，也绝不能作为替代入口。
if any(node.bounds == _PRICE_PARENT for node in nodes): return []
return [node for node in nodes if _live(node) and node.element.get("class") == "android.widget.TextView" and node.text == _ENTRY]
entry_labels = [
node for node in nodes
if node.text == _ENTRY
and node.element.get("package") == PDD_PACKAGE
and node.element.get("class") == "android.widget.TextView"
]
if len(entry_labels) != 1:
return entry_labels
action_ancestors = [
node for node in nodes
if _exact_entry_node(node, "android.view.ViewGroup", _ENTRY_ACTION_BOUNDS, "true")
]
if len(action_ancestors) != 1:
return []
action_ancestor = action_ancestors[0]
entries: list[_Node] = []
for node in entry_labels:
if not _exact_entry_node(node, "android.widget.TextView", _ENTRY_TEXT_BOUNDS, "false"):
return []
inner = node.parent
switcher = inner.parent if inner is not None else None
frame = switcher.parent if switcher is not None else None
ancestor = frame.parent if frame is not None else None
if (
inner is not None
and _exact_entry_node(inner, "android.view.ViewGroup", _ENTRY_INNER_BOUNDS, "false")
and switcher is not None
and _exact_entry_node(switcher, "android.widget.ViewSwitcher", _ENTRY_INNER_BOUNDS, "false")
and frame is not None
and _exact_entry_node(frame, "android.widget.FrameLayout", _ENTRY_INNER_BOUNDS, "false")
and ancestor is action_ancestor
):
entries.append(node)
return entries
def _exact_entry_node(node: _Node, class_name: str, bounds: str, clickable: str) -> bool:
return (
node.element.get("package") == PDD_PACKAGE
and node.element.get("class") == class_name
and node.bounds == bounds
and node.element.get("clickable") == clickable
and node.element.get("enabled") == "true"
and node.element.get("visible-to-user") == "true"
)
def _action_bounds(bounds: str) -> tuple[int, int, int, int]:
client/tests/pdd/fixtures/product_entry_8_17_0.xml
+14
View File
@@ -0,0 +1,14 @@
<hierarchy>
<node package="com.xunmeng.pinduoduo" class="android.view.ViewGroup" bounds="[0,1256][1080,1355]" clickable="true" enabled="true" visible-to-user="true">
<node package="com.xunmeng.pinduoduo" class="android.widget.FrameLayout" bounds="[712,1312][1056,1355]" clickable="false" enabled="true" visible-to-user="true">
<node package="com.xunmeng.pinduoduo" class="android.widget.ViewSwitcher" bounds="[712,1312][1056,1355]" clickable="false" enabled="true" visible-to-user="true">
<node package="com.xunmeng.pinduoduo" class="android.view.ViewGroup" bounds="[712,1312][1056,1355]" clickable="false" enabled="true" visible-to-user="true">
<node text="快要抢光" package="com.xunmeng.pinduoduo" class="android.widget.TextView" bounds="[900,1312][1056,1355]" clickable="false" enabled="true" visible-to-user="true" />
</node>
</node>
</node>
</node>
<node package="com.xunmeng.pinduoduo" class="android.view.ViewGroup" bounds="[446,2166][1080,2328]" clickable="true" enabled="true" visible-to-user="true">
<node text="免拼购买" package="com.xunmeng.pinduoduo" class="android.widget.TextView" bounds="[688,2256][856,2305]" clickable="false" enabled="true" visible-to-user="true" />
</node>
</hierarchy>
client/tests/pdd/test_sku_selection.py
+84 -14
View File
@@ -27,12 +27,11 @@ from cmbuyer_client.pdd.sku_selection_runner import (
_FIXTURE = Path(__file__).with_name("fixtures") / "sku_panel_8_17_0.xml"
_ENTRY_FIXTURE = Path(__file__).with_name("fixtures") / "product_entry_8_17_0.xml"
_TARGET_URL = "https://mobile.yangkeduo.com/goods.html?goods_id=937122477375"
_TASK_COLOR = "黑色CHA(纯棉)"
_TASK_SIZE = "M(建议100-115)"
_PRODUCT_PAGE = """<hierarchy><node text="快要抢光" package="com.xunmeng.pinduoduo"
class="android.widget.TextView" clickable="true" enabled="true" visible-to-user="true"
bounds="[20,800][320,900]" /></hierarchy>"""
_PRODUCT_PAGE = _ENTRY_FIXTURE.read_text(encoding="utf-8")
def _png_base64() -> str:
@@ -115,6 +114,34 @@ def _center(bounds: str) -> tuple[int, int]:
return left + (right - left) // 2, top + (bottom - top) // 2
def _entry_chain(root: ElementTree.Element) -> list[ElementTree.Element]:
parents = {child: parent for parent in root.iter() for child in parent}
child = next(node for node in root.iter("node") if node.get("text") == "快要抢光")
chain = [child]
for _ in range(4):
chain.append(parents[chain[-1]])
return chain
def _mutate_entry(depth: int, attribute: str, value: str) -> str:
root = ElementTree.fromstring(_PRODUCT_PAGE)
_entry_chain(root)[depth].set(attribute, value)
return ElementTree.tostring(root, encoding="unicode")
def _without_entry() -> str:
root = ElementTree.fromstring(_PRODUCT_PAGE)
root.remove(_entry_chain(root)[4])
return ElementTree.tostring(root, encoding="unicode")
def _duplicate_entry() -> str:
root = ElementTree.fromstring(_PRODUCT_PAGE)
entry_root = _entry_chain(root)[4]
root.append(ElementTree.fromstring(ElementTree.tostring(entry_root, encoding="unicode")))
return ElementTree.tostring(root, encoding="unicode")
def _actions(device: _RawDevice, method: str) -> list[tuple[object, ...]]:
return [call for call in device.calls if call[0] == "jsonrpc" and call[1] == method]
@@ -141,6 +168,20 @@ class _FakeAdb:
class SkuSelectionFlowTests(unittest.TestCase):
def _assert_entry_rejected_without_click(self, hierarchy: str) -> None:
now = [0.0]
device = _RawDevice(hierarchy)
flow = SkuSelectionFlow(
UiautomatorSkuPanelAdapter(device, 10),
0.01,
0.01,
lambda: now[0],
lambda seconds: now.__setitem__(0, now[0] + seconds),
)
with self.assertRaises(SkuSelectionError):
flow.open_sku_panel(_TARGET_URL)
self.assertEqual(_actions(device, "click"), [])
def test_target_mapping_is_exact_and_success_path_restores_target(self) -> None:
device = _RawDevice()
adapter = UiautomatorSkuPanelAdapter(device, 10)
@@ -151,9 +192,35 @@ class SkuSelectionFlowTests(unittest.TestCase):
self.assertEqual(flow.read_sku_unit_price(), "12.88")
flow.exit_sku_panel_safely()
self.assertEqual(_tap_centers(device), [(170, 850)])
self.assertEqual(_tap_centers(device), [(978, 1333)])
self.assertEqual(_actions(device, "pressKey"), [("jsonrpc", "pressKey", ["back"], 10)])
def test_full_verified_entry_structure_taps_exact_text_child_once(self) -> None:
device = _RawDevice()
SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).open_sku_panel(_TARGET_URL)
self.assertEqual(_tap_centers(device), [(978, 1333)])
def test_entry_child_and_every_ancestor_attribute_drift_never_clicks(self) -> None:
expected_clickable = ("false", "false", "false", "false", "true")
for depth in range(5):
changes = {
"package": "other.package",
"class": "android.widget.Button",
"bounds": "[1,1][2,2]",
"clickable": "true" if expected_clickable[depth] == "false" else "false",
"enabled": "false",
"visible-to-user": "false",
}
for attribute, value in changes.items():
with self.subTest(depth=depth, attribute=attribute):
self._assert_entry_rejected_without_click(_mutate_entry(depth, attribute, value))
def test_duplicate_entry_and_forbidden_sibling_entry_never_click(self) -> None:
self._assert_entry_rejected_without_click(_duplicate_entry())
self._assert_entry_rejected_without_click(_without_entry())
self._assert_entry_rejected_without_click(_mutate_entry(0, "clickable", "true"))
def test_unknown_task_or_ui_variants_are_rejected_without_action(self) -> None:
for color, size in (("黑色 CHA (纯棉）", _TASK_SIZE), (_TASK_COLOR, "M（建议100-115）"), ("黑色CHA（纯棉）", _TASK_SIZE)):
with self.subTest(color=color, size=size), self.assertRaises(SkuSelectionError):
@@ -183,7 +250,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
with self.subTest(bounds=bounds), self.assertRaises(SkuSelectionError):
_action_bounds(bounds)
device = _RawDevice(_PRODUCT_PAGE.replace("[20,800][320,900]", "[0,0][1081,1]"))
device = _RawDevice(_PRODUCT_PAGE.replace("[900,1312][1056,1355]", "[0,0][1081,1]"))
with self.assertRaises(SkuSelectionError):
SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).open_sku_panel(_TARGET_URL)
self.assertEqual(_actions(device, "click"), [])
@@ -196,7 +263,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
device.select_alternates()
with self.assertRaises(SkuSelectionError):
flow.select_sku_options(resolve_task_selection(_TASK_COLOR, _TASK_SIZE))
self.assertEqual(_tap_centers(device), [(170, 850), (282, 1086)])
self.assertEqual(_tap_centers(device), [(978, 1333), (282, 1086)])
def test_non_target_selection_restores_each_dimension_once(self) -> None:
device = _RawDevice()
@@ -206,7 +273,7 @@ class SkuSelectionFlowTests(unittest.TestCase):
flow.select_sku_options(resolve_task_selection(_TASK_COLOR, _TASK_SIZE))
self.assertEqual(
_tap_centers(device),
[(170, 850), (282, 1086), (635, 1772)],
[(978, 1333), (282, 1086), (635, 1772)],
)
def test_price_rejects_coupon_prefix_extra_amount_and_bottom_action(self) -> None:
@@ -268,19 +335,22 @@ class SkuSelectionFlowTests(unittest.TestCase):
device = NoPanelAfterEntry()
with self.assertRaises(SkuSelectionError):
SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).open_sku_panel(_TARGET_URL)
self.assertEqual(_tap_centers(device), [(170, 850)])
self.assertEqual(_tap_centers(device), [(978, 1333)])
duplicate = _PRODUCT_PAGE.replace("</hierarchy>", _PRODUCT_PAGE.removeprefix("<hierarchy>"))
duplicate = _duplicate_entry()
device = _RawDevice(duplicate)
with self.assertRaises(SkuSelectionError):
SkuSelectionFlow(UiautomatorSkuPanelAdapter(device, 10)).open_sku_panel(_TARGET_URL)
self.assertEqual(_actions(device, "click"), [])
def test_fixture_contains_no_address_phone_or_payment_credentials(self) -> None:
for fixture in (_FIXTURE, _ENTRY_FIXTURE):
content = fixture.read_text(encoding="utf-8")
with self.subTest(fixture=fixture.name):
self.assertNotRegex(content, r"1[3-9]\d{9}")
for forbidden in ("地址", "收货", "支付", "银行卡", "身份证"):
self.assertNotIn(forbidden, content)
content = _FIXTURE.read_text(encoding="utf-8")
self.assertNotRegex(content, r"1[3-9]\d{9}")
for forbidden in ("地址", "收货", "支付", "银行卡", "身份证"):
self.assertNotIn(forbidden, content)
root = ElementTree.fromstring(content)
leaf = next(node for node in root.iter("node") if node.get("text") == "提交订单 ¥12.88")
self.assertEqual(leaf.get("clickable"), "false")
@@ -442,9 +512,9 @@ class SkuSelectionRunnerTests(unittest.TestCase):
adapter = UiautomatorSkuPanelAdapter(TimeoutTapDevice(), 10)
with self.assertRaises(SkuSelectionRunError):
adapter.tap_sku_entry("[20,800][320,900]")
adapter.tap_sku_entry("[900,1312][1056,1355]")
self.assertTrue(adapter.entry_was_tapped)
self.assertEqual(_actions(adapter._device, "click"), [("jsonrpc", "click", [170, 850], 10)])
self.assertEqual(_actions(adapter._device, "click"), [("jsonrpc", "click", [978, 1333], 10)])
def test_entry_stability_interruptions_never_click(self) -> None:
now = [0.0]