feat: 新增冠字号增量提取脚本 - 每天3点/11点/16点增量同步藏品数据
- 只提取新帖子的冠字号，INSERT ... ON CONFLICT DO NOTHING - 删掉原来的 DELETE + 全量 INSERT 逻辑 - 加唯一索引 idx_collections_post_crown (post_id, crown_code)
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caibotmini
parent
8a100a9a95
commit
b9554562de
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#!/usr/bin/env python3
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"""
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冠字号增量提取脚本 - 只提取新增帖子的藏品数据
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"""
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import sys
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sys.path.insert(0, '/root/coolbot-data')
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import re, psycopg2
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from datetime import datetime
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DB_CONFIG = {
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'host': 'pgm-bp1t1008h019ez6c.pg.rds.aliyuncs.com',
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'port': 5432,
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'database': 'coolbot_data',
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'user': 'coolbot',
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'password': 'Coolbot123'
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}
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FEATURE_KEYWORDS = [
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'无47', '无34', '无347', '无4', '无3', '无2',
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'标十', '标百', '标九', '标准十', '标准百',
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'首日', '生日', '金马', '银马',
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'金钩', '倒置', '满号', '圆圆',
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'豹子', '顺子', '恐龙', '天龙',
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'PMG', '爱藏', '尾号',
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'大象', '麒麟', '老虎', '狮子',
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'金马王', '天马', '龙马精神',
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'连号', '散号', '一刀', '龙凤', '熊猫',
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]
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def is_date_code(code):
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if len(code) != 8:
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return False
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try:
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year = int(code[:4])
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month = int(code[4:6])
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day = int(code[6:8])
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if 2000 <= year <= 2030 and 1 <= month <= 12 and 1 <= day <= 31:
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return True
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except:
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pass
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return False
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def is_phone(code):
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return len(code) == 11 and code.startswith('1')
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def is_valid_crown(code):
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if not code:
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return False
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if code.startswith('J0'):
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return len(code) in (10, 11)
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if len(code) not in (8, 9):
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return False
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if is_phone(code):
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return False
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if len(code) == 8 and is_date_code(code):
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return False
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return True
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def extract_codes(text):
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if not text:
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return set()
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codes = set()
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for p in [r'J0\d{8}', r'J0\d{9}']:
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codes.update(re.findall(p, text))
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for c in re.findall(r'\b\d{8}\b', text):
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if is_valid_crown(c):
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codes.add(c)
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for c in re.findall(r'\b\d{9}\b', text):
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if is_valid_crown(c):
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codes.add(c)
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return codes
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def extract_features(text):
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if not text:
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return None
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feat = [kw for kw in FEATURE_KEYWORDS if kw in text]
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return '|'.join(feat) if feat else None
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def extract_price(text):
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if not text:
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return None, '元'
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prices = []
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for p in [r'(\d+(?:\.\d+)?)\s*元', r'(\d+(?:\.\d+)?)\s*/\s*[张件组百]']:
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for x in re.findall(p, text):
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try:
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v = float(x)
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if 1 <= v < 100000:
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prices.append(v)
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except:
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pass
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return (min(prices), '元') if prices else (None, '元')
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def get_category(title):
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if not title:
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return '其他'
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for kw in ['龙', '龙钞', '小龙钞', '钞王']:
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if kw in title:
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return '龙钞'
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for kw in ['马', '马钞']:
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if kw in title:
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return '马钞'
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for kw in ['蛇', '蛇钞']:
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if kw in title:
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return '蛇钞'
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return '其他'
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def main():
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print(f'[{datetime.now()}] 冠字号增量提取开始...')
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conn = psycopg2.connect(**DB_CONFIG)
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cur = conn.cursor()
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# 增量：只选还没有在 collections 表中的帖子
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cur.execute("""
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SELECT id, post_id, title, content, post_type,
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author_username, price, price_unit, url, crawled_at
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FROM yichens_posts
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WHERE category IN ('龙钞', '马钞', '蛇钞', '其他')
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AND id NOT IN (
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SELECT DISTINCT CAST(post_id AS INTEGER)
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FROM collections
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WHERE post_id IS NOT NULL
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)
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ORDER BY id
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LIMIT 500
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""")
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posts = cur.fetchall()
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print(f'待处理新帖子: {len(posts)} 条')
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new_count = 0
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skip_count = 0
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for (pid, post_id, title, content, post_type,
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author, price, price_unit, url, crawled_at) in posts:
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text = f'{title or ""} {content or ""}'
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codes = extract_codes(text)
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if not codes:
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skip_count += 1
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continue
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features = extract_features(text)
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price_val, _ = extract_price(text)
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price_val = price_val if price_val else price
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category = get_category(title)
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for code in codes:
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try:
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cur.execute("""
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INSERT INTO collections (
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name, crown_code, category, post_id, post_url,
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author, price, price_unit,
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number_feature, post_title, post_type,
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post_crawled_at, created_at, updated_at
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) VALUES (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,NOW(),NOW())
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ON CONFLICT (post_id, crown_code) DO NOTHING
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""", (
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code, code, category, str(post_id), url,
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author, price_val, price_unit or '元',
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features, title, post_type,
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crawled_at
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))
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if cur.rowcount > 0:
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new_count += 1
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except Exception as e:
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print(f' 插入失败 post_id={post_id}, code={code}: {e}')
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conn.commit()
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total = new_count + skip_count
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print(f'完成！新增: {new_count} 条, 无冠号跳过: {skip_count} 条, 总处理: {total} 条')
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cur.execute('SELECT COUNT(*) FROM collections')
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print(f'collections表当前总量: {cur.fetchone()[0]} 条')
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conn.close()
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if __name__ == '__main__':
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main()
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