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@@ -34,10 +34,7 @@ class Scraper1688:
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def _find_chrome(self):
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import winreg
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- reg_paths = [
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- (winreg.HKEY_LOCAL_MACHINE, r"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\chrome.exe"),
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- (winreg.HKEY_CURRENT_USER, r"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\chrome.exe")
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- ]
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+ reg_paths = [(winreg.HKEY_LOCAL_MACHINE, r"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\chrome.exe"), (winreg.HKEY_CURRENT_USER, r"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\chrome.exe")]
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for hkey, subkey in reg_paths:
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try:
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with winreg.OpenKey(hkey, subkey) as key:
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@@ -73,15 +70,15 @@ class Scraper1688:
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return opts
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try:
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self.driver = uc.Chrome(options=create_options(), headless=headless, browser_executable_path=chrome_path, use_subprocess=True)
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- except Exception as e:
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+ except:
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self.driver = uc.Chrome(options=create_options(), headless=headless, use_subprocess=True)
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def clean_url(self, url):
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+ """ 极其鲁棒的 ID 提取并转化为详情链接 """
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if not url: return ""
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if url.startswith("//"): url = "https:" + url
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- id_match = re.search(r'offer(?:Id|Ids)?/(\d+)\.html', url) or \
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- re.search(r'[?&](?:offerId|offerIds|id)=(\d+)', url) or \
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- re.search(r'object_id@(\d+)', url)
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+ # 只要能提取出 9 位以上数字 ID,就视为合法商品
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+ id_match = re.search(r'(\d{9,15})', url)
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if id_match:
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return f"https://detail.1688.com/offer/{id_match.group(1)}.html"
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return ""
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@@ -89,17 +86,14 @@ class Scraper1688:
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def check_for_captcha(self):
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def is_blocked():
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try:
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- url, src, title = self.driver.current_url.lower(), self.driver.page_source.lower(), self.driver.title.lower()
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+ url, src = self.driver.current_url.lower(), self.driver.page_source.lower()
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sliders = self.driver.find_elements(By.ID, "nc_1_n1z")
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- is_slider = len(sliders) > 0 and sliders[0].is_displayed()
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- is_login = "login.1688.com" in url or "passport.1688.com" in url
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- is_punish = "punish" in url or "哎哟喂" in src or "验证码" in title
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- return is_slider or is_login or is_punish
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+ return (len(sliders) > 0 and sliders[0].is_displayed()) or "login.1688.com" in url or "punish" in url or "哎哟喂" in src
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except: return False
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if is_blocked():
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msg = "请登录验证"
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if self.status_callback: self.status_callback(True, msg)
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- while is_blocked(): time.sleep(3)
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+ while is_blocked(): time.sleep(2)
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if self.status_callback: self.status_callback(False, "验证通过")
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time.sleep(3)
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return True
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@@ -118,46 +112,43 @@ class Scraper1688:
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self.check_for_captcha()
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for i in range(1, 6):
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self.driver.execute_script(f"window.scrollTo(0, document.body.scrollHeight * {i/5});")
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- time.sleep(1.5)
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+ time.sleep(1.2)
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page_results = self._extract_all_methods()
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print(f" [+] 本页发现 {len(page_results)} 个商品链接")
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page_batch = []
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for it in page_results:
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- clean_url = self.clean_url(it["link"])
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+ raw_link = it.get("link")
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+ clean_url = self.clean_url(raw_link)
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if clean_url and clean_url not in all_links:
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all_links.add(clean_url)
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- print(f" [>] 抓取详情: {clean_url}")
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+ # 关键修改:此处必须进入详情页抓取
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+ print(f" [>] 正在启动详情抓取: {clean_url}")
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detail_results = self.scrape_detail(clean_url)
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if detail_results:
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page_batch.extend(detail_results)
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else:
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- page_batch.append({
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- "category": "", "brand": "", "name": it.get("name", ""),
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- "color": "", "spec": "", "material": "", "price": "",
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- "moq": "", "wholesale_price": "", "link": clean_url, "supplier": ""
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- })
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+ page_batch.append({"link": clean_url, "name": it.get("name", "未知"), "price": ""})
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if len(page_batch) >= 10:
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yield page_batch
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page_batch = []
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-
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- time.sleep(random.uniform(15, 30))
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+ time.sleep(random.uniform(15, 25))
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if len(all_links) >= total_count + initial_count: break
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if page_batch: yield page_batch
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page += 1
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- if page % 2 == 0:
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+ if page % 3 == 0:
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self.driver.get("https://www.1688.com")
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time.sleep(random.randint(10, 20))
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return list(all_links)
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def scrape_detail(self, url):
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- """ 深度提取变体逻辑:款式描述 + 逐条价格 """
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+ """ 精准拆分款式与价格 """
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try:
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self.driver.get(url)
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- time.sleep(random.uniform(5, 10))
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+ time.sleep(random.uniform(5, 8))
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self.check_for_captcha()
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model = self.driver.execute_script(
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"return (window.context && window.context.result && "
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@@ -188,10 +179,7 @@ class Scraper1688:
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"name": (model.get("offerDetail", {}).get("subject", "") if isinstance(model, dict) else "") or self.driver.title.split('-')[0],
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"spec": get_attr("尺码") or get_attr("规格") or get_attr("型号"),
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"material": get_attr("材质") or get_attr("面料"),
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- "price": "",
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- "moq": trade.get("beginAmount", ""),
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- "wholesale_price": range_text,
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- "link": url,
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+ "price": "", "moq": trade.get("beginAmount", ""), "wholesale_price": range_text, "link": url,
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"supplier": (model.get("sellerModel", {}).get("companyName", "") if isinstance(model, dict) else ""),
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}
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@@ -211,51 +199,37 @@ class Scraper1688:
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if variant_data_list:
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results = []
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for vd in variant_data_list:
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- row = base_data.copy()
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- row["color"] = vd["label"]
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- row["price"] = vd["price"]
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- results.append(row)
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+ row = base_data.copy(); row["color"] = vd["label"]; row["price"] = vd["price"]; results.append(row)
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return results
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return [base_data]
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except: return None
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def _extract_all_methods(self):
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- """ 强化版:对标 req.py 的 JS 变量探测 """
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+ """ 全力提取列表页链接 """
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results = []
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- scripts = [
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- "return JSON.stringify(window.data || window.context?.result?.data || window.__INITIAL_DATA__)",
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- "return JSON.stringify(window.context?.result?.global?.globalData?.data || null)"
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- ]
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- for s in scripts:
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- try:
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- res = self.driver.execute_script(s)
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- if res and res != "null":
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- data = json.loads(res)
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- def find_list(obj):
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- if isinstance(obj, list) and len(obj) > 0 and isinstance(obj[0], dict) and any(k in obj[0] for k in ['offerId', 'title', 'subject']): return obj
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- if isinstance(obj, dict):
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- for k in obj:
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- f = find_list(obj[k])
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- if f: return f
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- return None
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- for o in (find_list(data) or []):
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- link = o.get('itemUrl', o.get('url', ''))
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- if link and "similar_search" not in link:
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- results.append({"name": str(o.get('title', o.get('subject', ''))), "link": link})
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- if results: return results
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- except: continue
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-
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- selectors = [".sm-offer-item", ".offer-card-item", ".search-offer-item", "[class*='offer-card']", ".offer-item"]
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- for s in selectors:
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- elements = self.driver.find_elements(By.CSS_SELECTOR, s)
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- if len(elements) > 2:
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- for el in elements:
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- try:
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- link = el.find_element(By.TAG_NAME, "a").get_attribute("href")
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- if link and "similar_search" not in link:
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- results.append({"name": el.text.split('\n')[0][:50], "link": link})
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- except: continue
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- if results: break
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+ try:
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+ res = self.driver.execute_script("return JSON.stringify(window.data || window.context?.result?.data || window.__INITIAL_DATA__)")
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+ if res and res != "null":
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+ data = json.loads(res)
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+ def find_list(obj):
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+ if isinstance(obj, list) and len(obj) > 0 and isinstance(obj[0], dict) and any(k in obj[0] for k in ['offerId', 'title', 'subject']): return obj
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+ if isinstance(obj, dict):
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+ for k in obj:
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+ f = find_list(obj[k])
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+ if f: return f
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+ return None
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+ for o in (find_list(data) or []):
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+ link = o.get('itemUrl', o.get('url', '')) or str(o.get('offerId', ''))
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+ if link: results.append({"name": str(o.get('title', '')), "link": link})
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+ if results: return results
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+ except: pass
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+ for s in [".sm-offer-item", ".offer-card-item", "[class*='offer-card']"]:
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+ for el in self.driver.find_elements(By.CSS_SELECTOR, s):
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+ try:
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+ a = el.find_element(By.TAG_NAME, "a"); link = a.get_attribute("href")
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+ if link: results.append({"name": el.text.split('\n')[0][:50], "link": link})
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+ except: continue
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+ if results: break
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return results
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def quit(self):
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