89 lines
3.2 KiB
Python
89 lines
3.2 KiB
Python
"""拼多多订单号校验（商家链接填单）"""
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import re
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from datetime import date, timedelta
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# 用户复制错误时的引导文案
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PDD_ORDER_ID_HELP = (
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'请在拼多多 App：我的 → 我的订单 → 点开对应订单 → 复制「订单编号」后粘贴，'
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'不要粘贴分享链接或网页地址。'
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)
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PDD_ORDER_ID_ERROR = '拼多多订单号格式不正确，' + PDD_ORDER_ID_HELP
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def _parse_date_prefix(prefix: str):
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"""解析订单号前 6 位 YYMMDD 或前 8 位 YYYYMMDD，返回 date 或 None。"""
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if len(prefix) >= 8 and prefix[:8].isdigit():
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y = int(prefix[:4])
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if 2010 <= y <= 2035:
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m, d = int(prefix[4:6]), int(prefix[6:8])
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try:
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return date(y, m, d)
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except ValueError:
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pass
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if len(prefix) >= 6 and prefix[:6].isdigit():
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yy, m, d = int(prefix[:2]), int(prefix[2:4]), int(prefix[4:6])
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y = 2000 + yy if yy < 100 else yy
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try:
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return date(y, m, d)
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except ValueError:
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return None
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return None
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def validate_pdd_order_id(raw: str) -> tuple[bool, str]:
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"""
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校验拼多多订单号。
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允许字母数字组合（含国际单 XP 前缀等），拒绝 URL/链接/token 误填。
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"""
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order_id = str(raw or '').strip()
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if not order_id:
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return False, '拼多多订单号不能为空'
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lower = order_id.lower()
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if re.search(r'https?://', lower) or '://' in lower:
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return False, '请勿粘贴网页链接，请填写拼多多订单编号。' + PDD_ORDER_ID_HELP
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if '/' in order_id or '?' in order_id or '#' in order_id:
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return False, PDD_ORDER_ID_ERROR
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if re.search(r'(order|dingdan)/[a-z0-9]{8,}', lower):
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return False, '检测到派单链接内容，请填写拼多多订单编号。' + PDD_ORDER_ID_HELP
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if len(order_id) < 12 or len(order_id) > 32:
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return False, PDD_ORDER_ID_ERROR
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if not re.match(r'^[A-Za-z0-9\-]+$', order_id):
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return False, PDD_ORDER_ID_ERROR
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if not re.search(r'\d', order_id):
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return False, PDD_ORDER_ID_ERROR
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# 国际清关等 XP 前缀
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if order_id.upper().startswith('XP'):
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if len(order_id) < 10:
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return False, PDD_ORDER_ID_ERROR
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return True, ''
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# 须以数字开头（常见为年份/日期段）
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if not order_id[0].isdigit():
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return False, PDD_ORDER_ID_ERROR
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order_date = _parse_date_prefix(order_id)
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if order_date is not None:
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today = date.today()
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if order_date > today + timedelta(days=1):
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return False, '订单号日期异常（不能晚于今天），请核对拼多多订单编号。'
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if order_date < today - timedelta(days=730):
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return False, '订单号日期过旧，请核对是否为当前拼多多订单编号。'
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return True, ''
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def validate_cn_mobile(raw: str, required: bool = False) -> tuple[bool, str]:
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"""中国大陆手机号校验；默认选填，空值通过。"""
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phone = str(raw or '').strip()
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if not phone:
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if required:
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return False, '手机号不能为空'
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return True, ''
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if not re.match(r'^1[3-9]\d{9}$', phone):
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return False, '请输入正确的11位中国大陆手机号'
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return True, ''
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