chore: initialize lawyers crawler project
This commit is contained in:
hello-dd-code
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import json
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import os
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import sys
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import time
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import random
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from typing import Dict, List, Set, Optional
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current_dir = os.path.dirname(os.path.abspath(__file__))
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project_root = os.path.dirname(current_dir)
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request_dir = os.path.join(project_root, "request")
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if request_dir not in sys.path:
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sys.path.insert(0, request_dir)
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if project_root not in sys.path:
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sys.path.append(project_root)
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from request.requests_client import RequestClientError, RequestSSLError, RequestsClient
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from Db import Db
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DOMAIN = "找法网"
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LIST_TEMPLATE = "https://m.findlaw.cn/{pinyin}/q_lawyer/p{page}?ajax=1&order=0&sex=-1"
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class FindlawSpider:
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def __init__(self, db_connection):
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self.db = db_connection
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self.client = self._build_session()
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self.cities = self._load_cities()
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def _build_session(self) -> RequestsClient:
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return RequestsClient(headers={
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"User-Agent": (
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"Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) "
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"AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 "
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"Mobile/15E148 Safari/604.1"
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),
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"Accept": "application/json, text/javascript, */*; q=0.01",
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"X-Requested-With": "XMLHttpRequest",
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"Connection": "close",
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})
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def _refresh_session(self) -> None:
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self.client.refresh()
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def _get(self, url: str, referer: str, verify: bool = True, max_retries: int = 3) -> Optional[str]:
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headers = {"Referer": referer}
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for attempt in range(max_retries):
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try:
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resp = self.client.get_text(url, timeout=15, verify=verify, headers=headers)
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status_code = resp.status_code
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text = resp.text
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if status_code == 403:
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if attempt < max_retries - 1:
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wait_time = 2 ** attempt + random.uniform(0.3, 1.0)
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print(f"403被拦截，{wait_time}秒后重试 ({attempt + 1}/{max_retries}): {url}")
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self._refresh_session()
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time.sleep(wait_time)
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continue
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print(f"请求失败 {url}: 403 Forbidden")
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return None
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if status_code >= 400:
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raise RequestClientError(f"{status_code} Error: {url}")
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return text
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except RequestSSLError:
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if verify:
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return self._get(url, referer, verify=False, max_retries=max_retries)
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print(f"SSL错误 {url}")
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return None
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except RequestClientError as exc:
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print(f"请求失败 {url}: {exc}")
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return None
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return None
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def _existing_phones(self, phones: List[str]) -> Set[str]:
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if not phones:
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return set()
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existing: Set[str] = set()
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cur = self.db.db.cursor()
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try:
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chunk_size = 500
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for i in range(0, len(phones), chunk_size):
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chunk = phones[i:i + chunk_size]
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placeholders = ",".join(["%s"] * len(chunk))
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sql = f"SELECT phone FROM lawyer WHERE domain=%s AND phone IN ({placeholders})"
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cur.execute(sql, [DOMAIN, *chunk])
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for row in cur.fetchall():
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existing.add(row[0])
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finally:
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cur.close()
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return existing
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def _load_cities(self):
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condition = "domain='findlaw' AND level=2"
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tables = ("area_new", "area2", "area")
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last_error = None
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for table in tables:
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try:
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rows = self.db.select_data(table, "city, province, pinyin", condition) or []
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except Exception as exc:
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last_error = exc
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continue
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if rows:
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missing_pinyin = sum(1 for r in rows if not (r.get("pinyin") or "").strip())
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print(f"[找法网] 城市来源表: {table}, 城市数: {len(rows)}, 缺少pinyin: {missing_pinyin}")
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return rows
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if last_error:
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print(f"[找法网] 加载地区数据失败: {last_error}")
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print("[找法网] 无城市数据（已尝试 area_new/area2/area）")
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for table in tables:
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try:
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cnt = self.db.select_data(table, "COUNT(*) AS cnt", condition)
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c = (cnt[0].get("cnt") if cnt else 0) if isinstance(cnt, (list, tuple)) else 0
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print(f"[找法网] 校验: {table} 满足条件记录数: {c}")
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except Exception:
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pass
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return []
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def _fetch_page(self, url: str, referer: str) -> List[Dict]:
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text = self._get(url, referer, verify=True)
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if not text:
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return []
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try:
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# 某些返回体前会携带 BOM 或包装脚本，此处做兼容
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text = text.strip().lstrip("\ufeff")
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try:
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data = json.loads(text)
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except ValueError:
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json_start = text.find('{')
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json_end = text.rfind('}')
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if json_start == -1 or json_end == -1:
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print(f"解析JSON失败 {url}: 返回内容开头: {text[:80]!r}")
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return []
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cleaned = text[json_start:json_end + 1]
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data = json.loads(cleaned)
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if isinstance(data, str):
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try:
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data = json.loads(data)
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except ValueError:
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print(f"解析JSON失败 {url}: 二次解析仍为字符串，开头: {str(data)[:80]!r}")
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return []
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except ValueError as exc:
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print(f"解析JSON失败 {url}: {exc}")
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return []
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items = data.get("data", {}).get("lawyer_list", [])
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parsed = []
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for item in items:
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phone = (item.get("mobile") or "").replace("-", "")
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parsed.append({
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"name": item.get("username", ""),
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"law_firm": item.get("lawyer_lawroom", ""),
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"province": item.get("areaInfo", {}).get("province", ""),
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"city": item.get("areaInfo", {}).get("city", ""),
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"phone": phone,
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"url": url,
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"domain": DOMAIN,
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"create_time": int(time.time()),
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"params": json.dumps(item, ensure_ascii=False)
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})
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return parsed
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def run(self):
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print("启动找法网采集...")
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if not self.cities:
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print("无城市数据")
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return
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for city in self.cities:
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pinyin = city.get("pinyin")
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province = city.get("province", "")
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city_name = city.get("city", "")
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if not pinyin:
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continue
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print(f"采集 {province}-{city_name}")
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page = 1
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while True:
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url = LIST_TEMPLATE.format(pinyin=pinyin, page=page)
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referer = f"https://m.findlaw.cn/{pinyin}/q_lawyer/"
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print(f" 第 {page} 页: {url}")
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items = self._fetch_page(url, referer)
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if not items:
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break
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phones = [it.get("phone") for it in items if (it.get("phone") or "").strip()]
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existing = self._existing_phones(phones)
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for entry in items:
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phone = entry.get("phone")
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if not phone:
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continue
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if phone in existing:
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print(f" -- 已存在: {entry['name']} ({phone})")
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continue
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try:
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self.db.insert_data("lawyer", entry)
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print(f" -> 新增: {entry['name']} ({phone})")
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except Exception as exc:
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print(f" 插入失败: {exc}")
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page += 1
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print("找法网采集完成")
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if __name__ == "__main__":
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with Db() as db:
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spider = FindlawSpider(db)
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spider.run()
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