selenium+pyquery爬取淘宝美食100页(无头静默模式)

时间:2021-10-02 04:24:18
import re
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import TimeoutException
from pyquery import PyQuery as pq option=webdriver.ChromeOptions()
option.add_argument('--headless')
browser = webdriver.Chrome(chrome_options=option) wait=WebDriverWait(browser, 10) def search():
try:
browser.get("https://www.taobao.com") input=wait.until(
EC.presence_of_element_located((By.CSS_SELECTOR, '#q'))
)
submit = wait.until(
EC.element_to_be_clickable((By.CSS_SELECTOR,'#J_TSearchForm > div.search-button > button')))
input.send_keys('美食')
submit.click()
total=wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > div.total')))
get_products()
return total.text
except TimeoutException:
return search() def get_products():
wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-itemlist .items .item')))
html = browser.page_source
doc = pq(html)
items = doc('#mainsrp-itemlist .items .item').items() #参见官网http://pyquery.readthedocs.io/en/latest/api.html
for item in items:
#以下使用pyquery选择器选择元素
product = {
'image':item.find('.pic .img').attr('src'),
'price':item.find('.price').text().replace('\n',''),
'deal':item.find('.deal-cnt').text()[:-3],
'title':item.find('.title').text().replace('\n',''),
'shop':item.find('.shop').text(),
'location':item.find('.location').text(),
}
print(product) def main():
total=search()
total=int(re.compile('(\d+)').search(total).group(1))
for i in range(2,total+1):
next_page(i) browser.close() def next_page(page_number):
try:
input=wait.until(
EC.presence_of_element_located((By.CSS_SELECTOR, '#mainsrp-pager > div > div > div > div.form > input'))
)
submit = wait.until(
EC.element_to_be_clickable((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > div.form > span.btn.J_Submit')))
input.clear()
input.send_keys(page_number)
submit.click()
wait.until(EC.text_to_be_present_in_element((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > ul > li.item.active > span'),str(page_number)))
get_products()
except TimeoutException:
next_page(page_number) if __name__=='__main__':
main()