mirror of
https://github.com/NaiboWang/EasySpider.git
synced 2025-04-19 23:14:54 +08:00
1385 lines
70 KiB
Python
1385 lines
70 KiB
Python
# -*- coding: utf-8 -*-
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# import atexit
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from datetime import datetime
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import io # 遇到错误退出时应执行的代码
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import json
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# from lib2to3.pgen2 import driver
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import re
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# import shutil
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import subprocess
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import sys
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# from urllib import parse
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# import base64
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# import hashlib
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import time
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# import keyboard
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import requests
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from lxml import etree
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from selenium.webdriver.chrome.options import Options
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from selenium.webdriver.common.keys import Keys
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from selenium.webdriver.common.action_chains import ActionChains
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from selenium import webdriver
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from selenium.webdriver.support.ui import WebDriverWait
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from selenium.webdriver.support import expected_conditions as EC
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from selenium.webdriver.common.by import By
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from selenium.common.exceptions import NoSuchElementException
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from selenium.common.exceptions import TimeoutException
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from selenium.common.exceptions import StaleElementReferenceException, InvalidSelectorException
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from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
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from selenium.webdriver.support.ui import Select
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from selenium.webdriver import ActionChains
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from selenium.webdriver.common.by import By
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import undetected_chromedriver as uc
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import random
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# import numpy
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import csv
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import os
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from commandline_config import Config
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import pytesseract
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from PIL import Image
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# import uuid
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from threading import Thread, Event
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from myChrome import MyChrome
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from utils import check_pause, download_image, get_output_code, isnull
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desired_capabilities = DesiredCapabilities.CHROME
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desired_capabilities["pageLoadStrategy"] = "none"
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class BrowserThread(Thread):
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def __init__(self, browser_t, id, service, version, event):
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Thread.__init__(self)
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self.browser = browser_t
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self.id = id
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self.event = event
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self.saveName = saveName
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self.log = ""
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self.OUTPUT = ""
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self.SAVED = False
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stealth_path = driver_path[:driver_path.find(
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"chromedriver")] + "stealth.min.js"
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with open(stealth_path, 'r') as f:
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js = f.read()
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print("Loading stealth.min.js")
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self.browser.execute_cdp_cmd('Page.addScriptToEvaluateOnNewDocument', {
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'source': js}) # TMALL 反扒
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WebDriverWait(self.browser, 10)
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self.browser.get('about:blank')
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self.procedure = service["graph"] # 程序执行流程
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try:
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if service["version"] >= "0.3.1": # 0.3.1及以上版本以上的EasySpider兼容从0.3.1版本开始的所有版本
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pass
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else: # 0.3.1以下版本的EasySpider不兼容0.3.1及以上版本的EasySpider
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if service["version"] != version:
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print("版本不一致，请使用" +
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service["version"] + "版本的EasySpider运行该任务！")
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print("Version not match, please use EasySpider " +
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service["version"] + " to run this task!")
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self.browser.quit()
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sys.exit()
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except: # 0.2.0版本没有version字段，所以直接退出
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print("版本不一致，请使用v0.2.0版本的EasySpider运行该任务！")
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print("Version not match, please use EasySpider v0.2.0 to run this task!")
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self.browser.quit()
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sys.exit()
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try:
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self.save_threshold = service["saveThreshold"] # 保存最低阈值
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except:
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self.save_threshold = 10
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self.links = list(
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filter(isnull, service["links"].split("\n"))) # 要执行的link的列表
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self.OUTPUT = [] # 采集的数据
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self.containJudge = service["containJudge"] # 是否含有判断语句
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self.bodyText = "" # 记录bodyText
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tOut = service["outputParameters"] # 生成输出参数对象
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self.outputParameters = {}
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self.dataNotFoundKeys = {} # 记录没有找到数据的key
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self.log = "" # 记下现在总共开了多少个标签页
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self.history = {"index": 0, "handle": None} # 记录页面现在所以在的历史记录的位置
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self.SAVED = False # 记录是否已经存储了
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# 文件叠加的时候不添加表头
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if not os.path.exists("Data/Task_" + str(self.id) + "/" + self.saveName + '.csv'):
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self.OUTPUT.append([]) # 添加表头
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for para in tOut:
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if para["name"] not in self.outputParameters.keys():
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self.outputParameters[para["name"]] = ""
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self.dataNotFoundKeys[para["name"]] = False
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if not os.path.exists("Data/Task_" + str(self.id) + "/" + self.saveName + '.csv'):
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self.OUTPUT[0].append(para["name"])
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self.urlId = 0 # 全局记录变量
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self.preprocess() # 预处理，优化提取数据流程
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# 检测如果没有复杂的操作，优化提取数据流程
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def preprocess(self):
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for node in self.procedure:
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try:
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iframe = node["parameters"]["iframe"]
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except:
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node["parameters"]["iframe"] = False
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if node["option"] == 3: # 提取数据操作
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paras = node["parameters"]["paras"]
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for para in paras:
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try:
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iframe = para["iframe"]
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except:
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para["iframe"] = False
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if para["beforeJS"] == "" and para["afterJS"] == "" and para["contentType"] <= 1 and para["nodeType"] <= 2:
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# # iframe中提取数据的绝对寻址操作不可优化
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# if para["relative"] == False and para["iframe"] == True:
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# para["optimizable"] = False
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# else:
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para["optimizable"] = True
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else:
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para["optimizable"] = False
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def run(self):
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# 挨个执行程序
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for i in range(len(self.links)):
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self.executeNode(0)
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self.urlId = self.urlId + 1
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files = os.listdir("Data/Task_" + str(self.id) + "/" + self.saveName)
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# 如果目录为空，则删除该目录
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if not files:
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os.rmdir("Data/Task_" + str(self.id) + "/" + self.saveName)
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print("Done!")
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print("执行完成！")
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self.recordLog("Done!")
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self.saveData(exit=True)
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def recordLog(self, str=""):
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self.log = self.log + str + "\n"
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# 控制台打印log函数
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def Log(self, text, text2=""):
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switch = False
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if switch:
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print(text, text2)
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# @atexit.register
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# def clean(self):
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# self.saveData(exit=True)
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# self.browser.quit()
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# sys.exit(0)
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def saveData(self, exit=False):
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# 每save_threshold条保存一次
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if exit == True or len(self.OUTPUT) >= self.save_threshold:
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with open("Data/Task_" + str(self.id) + "/" + self.saveName + '_log.txt', 'a', encoding='utf-8-sig') as file_obj:
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file_obj.write(self.log)
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file_obj.close()
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with open("Data/Task_" + str(self.id) + "/" + self.saveName + '.csv', 'a', encoding='utf-8-sig', newline="") as f:
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f_csv = csv.writer(f)
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for line in self.OUTPUT:
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f_csv.writerow(line)
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f.close()
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self.OUTPUT = []
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self.log = ""
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def scrollDown(self, para, rt=""):
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time.sleep(para["scrollWaitTime"]) # 下拉前等待
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scrollType = int(para["scrollType"])
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try:
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if scrollType != 0 and para["scrollCount"] > 0: # 控制屏幕向下滚动
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for i in range(para["scrollCount"]):
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self.Log("Wait for set second after screen scrolling")
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body = self.browser.find_element(
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By.CSS_SELECTOR, "body", iframe=para["iframe"])
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if scrollType == 1:
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body.send_keys(Keys.PAGE_DOWN)
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elif scrollType == 2:
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body.send_keys(Keys.END)
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time.sleep(para["scrollWaitTime"]) # 下拉完等待
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except:
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self.Log('Time out after set seconds when scrolling. ')
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self.recordLog('Time out after set seconds when scrolling')
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self.browser.execute_script('window.stop()')
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if scrollType != 0 and para["scrollCount"] > 0: # 控制屏幕向下滚动
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for i in range(para["scrollCount"]):
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self.Log("Wait for set second after screen scrolling")
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body = self.browser.find_element(
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By.CSS_SELECTOR, "body", iframe=para["iframe"])
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if scrollType == 1:
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body.send_keys(Keys.PGDN)
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elif scrollType == 2:
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body.send_keys(Keys.END)
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time.sleep(para["scrollWaitTime"]) # 下拉完等待
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if rt != "":
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rt.end()
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def execute_code(self, codeMode, code, max_wait_time, element=None):
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output = ""
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if code == "":
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return ""
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if max_wait_time == 0:
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max_wait_time = 999999
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# print(codeMode, code)
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# 将value中的Field[""]替换为outputParameters中的键值
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pattern = r'Field\["([^"]+)"\]'
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try:
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replaced_text = re.sub(
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pattern, lambda match: self.outputParameters.get(match.group(1), ''), code)
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except:
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replaced_text = code
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code = replaced_text
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if int(codeMode) == 0:
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self.recordLog("Execute JavaScript:" + code)
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self.recordLog("执行JavaScript:" + code)
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self.browser.set_script_timeout(max_wait_time)
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try:
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output = self.browser.execute_script(code)
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except:
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output = ""
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self.recordLog("JavaScript execution failed")
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elif int(codeMode) == 2:
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self.recordLog("Execute JavaScript for element:" + code)
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self.recordLog("对元素执行JavaScript:" + code)
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self.browser.set_script_timeout(max_wait_time)
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try:
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output = self.browser.execute_script(code, element)
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except:
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output = ""
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self.recordLog("JavaScript execution failed")
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elif int(codeMode) == 1:
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self.recordLog("Execute System Call:" + code)
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self.recordLog("执行系统命令:" + code)
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# 执行系统命令
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try:
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# output = subprocess.run(code, capture_output=True, text=True, timeout=max_wait_time, encoding="utf-8", shell=True)
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output = subprocess.run(
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code, capture_output=True, text=True, timeout=max_wait_time, shell=True)
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# 输出命令返回值
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output = output.stdout
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print(output)
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except subprocess.TimeoutExpired:
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# 命令执行时间超过指定值，抛出异常
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self.recordLog("Command timed out")
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self.recordLog("命令执行超时")
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except Exception as e:
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print(e) # 打印异常信息
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self.recordLog("Command execution failed")
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self.recordLog("命令执行失败")
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return str(output)
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def customOperation(self, node, loopValue, loopPath, index):
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paras = node["parameters"]
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codeMode = int(paras["codeMode"])
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code = paras["code"]
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max_wait_time = int(paras["waitTime"])
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if codeMode == 2: # 使用循环的情况下，传入的clickPath就是实际的xpath
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try:
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elements = self.browser.find_elements(
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By.XPATH, loopPath, iframe=paras["iframe"])
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element = elements[index]
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output = self.execute_code(
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codeMode, code, max_wait_time, element)
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except:
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output = ""
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print("JavaScript execution failed")
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else:
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output = self.execute_code(codeMode, code, max_wait_time)
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recordASField = int(paras["recordASField"])
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if recordASField:
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self.outputParameters[node["title"]] = output
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line = []
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for value in self.outputParameters.values():
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line.append(value)
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print(value[:15], " ", end="")
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print("")
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self.OUTPUT.append(line)
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def switchSelect(self, para, loopValue):
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optionMode = int(para["optionMode"])
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optionValue = para["optionValue"]
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try:
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dropdown = Select(self.browser.find_element(
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By.XPATH, para["xpath"], iframe=para["iframe"]))
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try:
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if optionMode == 0:
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# 获取当前选中的选项索引
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current_index = dropdown.options.index(
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dropdown.first_selected_option)
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# 计算下一个选项的索引
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next_index = (current_index + 1) % len(dropdown.options)
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# 选择下一个选项
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dropdown.select_by_index(next_index)
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elif optionMode == 1:
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dropdown.select_by_index(int(optionValue))
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elif optionMode == 2:
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dropdown.select_by_value(optionValue)
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elif optionMode == 3:
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dropdown.select_by_visible_text(optionValue)
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except:
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print("切换下拉框选项失败:", para["xpath"],
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para["optionMode"], para["optionValue"])
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print("Failed to change drop-down box option:",
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para["xpath"], para["optionMode"], para["optionValue"])
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except:
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print("找不到下拉框元素:", para["xpath"])
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print("Cannot find drop-down box element:", para["xpath"])
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def moveToElement(self, para, loopElement=None, loopPath="", index=0):
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time.sleep(0.1) # 移动之前等待0.1秒
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if para["useLoop"]: # 使用循环的情况下，传入的clickPath就是实际的xpath
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path = loopPath
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else:
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index = 0
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path = para["xpath"] # 不然使用元素定义的xpath
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try:
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elements = self.browser.find_elements(
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By.XPATH, path, iframe=para["iframe"])
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element = elements[index]
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try:
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ActionChains(self.browser).move_to_element(element).perform()
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except:
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print("移动鼠标到元素失败:", para["xpath"])
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print("Failed to move mouse to element:", para["xpath"])
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except:
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print("找不到元素:", para["xpath"])
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print("Cannot find element:", para["xpath"])
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# 执行节点关键函数部分
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def executeNode(self, nodeId, loopValue="", loopPath="", index=0):
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node = self.procedure[nodeId]
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WebDriverWait(self.browser, 10).until
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# 等待元素出现才进行操作，10秒内未出现则报错
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(EC.visibility_of_element_located(
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(By.XPATH, node["parameters"]["xpath"])))
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# 根据不同选项执行不同操作
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if node["option"] == 0 or node["option"] == 10: # root操作,条件分支操作
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for i in node["sequence"]: # 从根节点开始向下读取
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self.executeNode(i, loopValue, loopPath, index)
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elif node["option"] == 1: # 打开网页操作
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self.recordLog("openPage")
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self.openPage(node["parameters"], loopValue)
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elif node["option"] == 2: # 点击元素
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self.recordLog("Click")
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self.clickElement(node["parameters"], loopValue, loopPath, index)
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elif node["option"] == 3: # 提取数据
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self.recordLog("getData")
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self.getData(node["parameters"], loopValue, node["isInLoop"],
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parentPath=loopPath, index=index)
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self.saveData()
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elif node["option"] == 4: # 输入文字
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self.inputInfo(node["parameters"], loopValue)
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elif node["option"] == 5: # 自定义操作
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self.customOperation(node, loopValue, loopPath, index)
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self.saveData()
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elif node["option"] == 6: # 切换下拉框
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self.switchSelect(node["parameters"], loopValue)
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elif node["option"] == 7: # 鼠标移动到元素上
|
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self.moveToElement(node["parameters"], loopValue, loopPath, index)
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||
elif node["option"] == 8: # 循环
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self.recordLog("loop")
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self.loopExecute(node, loopValue, loopPath, index) # 执行循环
|
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elif node["option"] == 9: # 条件分支
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self.recordLog("judge")
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self.judgeExecute(node, loopValue, loopPath, index)
|
||
|
||
# 执行完之后进行等待
|
||
if node["option"] != 0 and node["option"] != 2: # 点击元素操作单独定义等待时间操作
|
||
waitTime = 0.01 # 默认等待0.01秒
|
||
if node["parameters"]["wait"] >= 0:
|
||
waitTime = node["parameters"]["wait"]
|
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try:
|
||
waitType = int(node["parameters"]["waitType"])
|
||
except:
|
||
waitType = 0
|
||
if waitType == 0: # 固定等待时间
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||
time.sleep(waitTime)
|
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elif waitType == 1: # 随机等待时间
|
||
time.sleep(random.uniform(waitTime * 0.5, waitTime * 1.5))
|
||
self.Log("Wait seconds after node executing: ", waitTime)
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||
self.event.wait() # 等待事件结束
|
||
|
||
# 对判断条件的处理
|
||
|
||
def judgeExecute(self, node, loopElement, clickPath="", index=0):
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||
executeBranchId = 0 # 要执行的BranchId
|
||
for i in node["sequence"]:
|
||
cnode = self.procedure[i] # 获得条件分支
|
||
tType = int(cnode["parameters"]["class"]) # 获得判断条件类型
|
||
if tType == 0: # 什么条件都没有
|
||
executeBranchId = i
|
||
break
|
||
elif tType == 1: # 当前页面包含文本
|
||
try:
|
||
if self.bodyText.find(cnode["parameters"]["value"]) >= 0:
|
||
executeBranchId = i
|
||
break
|
||
except: # 找不到元素下一个条件
|
||
continue
|
||
elif tType == 2: # 当前页面包含元素
|
||
try:
|
||
if self.browser.find_element(By.XPATH, cnode["parameters"]["value"], iframe=cnode["parameters"]["iframe"]):
|
||
executeBranchId = i
|
||
break
|
||
except: # 找不到元素或者xpath写错了，下一个条件
|
||
continue
|
||
elif tType == 3: # 当前循环元素包括文本
|
||
try:
|
||
if loopElement.text.find(cnode["parameters"]["value"]) >= 0:
|
||
executeBranchId = i
|
||
break
|
||
except: # 找不到元素或者xpath写错了，下一个条件
|
||
continue
|
||
elif tType == 4: # 当前循环元素包括元素
|
||
try:
|
||
if loopElement.find_element(By.XPATH, cnode["parameters"]["value"][1:], iframe=cnode["parameters"]["iframe"]):
|
||
executeBranchId = i
|
||
break
|
||
except: # 找不到元素或者xpath写错了，下一个条件
|
||
continue
|
||
elif tType <= 7: # JS命令返回值
|
||
if tType == 5: # JS命令返回值等于
|
||
output = self.execute_code(
|
||
0, cnode["parameters"]["code"], cnode["parameters"]["waitTime"])
|
||
elif tType == 6: # System
|
||
output = self.execute_code(
|
||
1, cnode["parameters"]["code"], cnode["parameters"]["waitTime"])
|
||
elif tType == 7: # 针对当前循环项的JS命令返回值
|
||
output = self.execute_code(
|
||
2, cnode["parameters"]["code"], cnode["parameters"]["waitTime"], loopElement)
|
||
try:
|
||
if output.find("rue") != -1: # 如果返回值中包含true
|
||
code = 1
|
||
else:
|
||
code = int(output)
|
||
except:
|
||
code = 0
|
||
if code > 0:
|
||
executeBranchId = i
|
||
break
|
||
# rt.end()
|
||
if executeBranchId != 0:
|
||
self.executeNode(executeBranchId, loopElement, clickPath, index)
|
||
|
||
# 对循环的处理
|
||
def loopExecute(self, node, loopValue, clickPath="", index=0):
|
||
time.sleep(0.1) # 第一次执行循环的时候强制等待1秒
|
||
# self.Log("循环执行前等待0.1秒")
|
||
self.Log("Wait 0.1 second before loop")
|
||
thisHandle = self.browser.current_window_handle # 记录本次循环内的标签页的ID
|
||
thisHistoryLength = self.browser.execute_script(
|
||
'return history.length') # 记录本次循环内的history的length
|
||
self.history["index"] = thisHistoryLength
|
||
self.history["handle"] = thisHandle
|
||
if int(node["parameters"]["loopType"]) == 0: # 单个元素循环
|
||
# 无跳转标签页操作
|
||
count = 0 # 执行次数
|
||
while True: # do while循环
|
||
try:
|
||
finished = False
|
||
element = self.browser.find_element(
|
||
By.XPATH, node["parameters"]["xpath"], iframe=node["parameters"]["iframe"])
|
||
for i in node["sequence"]: # 挨个执行操作
|
||
self.executeNode(
|
||
i, element, node["parameters"]["xpath"], 0)
|
||
finished = True
|
||
self.Log("Click: ", node["parameters"]["xpath"])
|
||
self.recordLog("Click:" + node["parameters"]["xpath"])
|
||
except NoSuchElementException:
|
||
# except:
|
||
print("Single loop element not found: ",
|
||
node["parameters"]["xpath"])
|
||
print("找不到要循环的单个元素: ", node["parameters"]["xpath"])
|
||
self.recordLog(
|
||
"Single loop element not found: " + node["parameters"]["xpath"])
|
||
for i in node["sequence"]: # 不带点击元素的把剩余的如提取数据的操作执行一遍
|
||
if node["option"] != 2:
|
||
self.executeNode(
|
||
i, None, node["parameters"]["xpath"], 0)
|
||
finished = True
|
||
break # 如果找不到元素，退出循环
|
||
finally:
|
||
if not finished:
|
||
print("\n\n-------Retrying-------\n\n")
|
||
self.Log("-------Retrying-------: ",
|
||
node["parameters"]["xpath"])
|
||
self.recordLog("ClickNotFound:" +
|
||
node["parameters"]["xpath"])
|
||
for i in node["sequence"]: # 不带点击元素的把剩余的如提取数据的操作执行一遍
|
||
if node["option"] != 2:
|
||
self.executeNode(
|
||
i, None, node["parameters"]["xpath"], 0)
|
||
break # 如果找不到元素，退出循环
|
||
count = count + 1
|
||
self.Log("Page: ", count)
|
||
self.recordLog("Page:" + str(count))
|
||
# print(node["parameters"]["exitCount"], "-------")
|
||
if node["parameters"]["exitCount"] == count: # 如果达到设置的退出循环条件的话
|
||
break
|
||
if int(node["parameters"]["breakMode"]) > 0: # 如果设置了退出循环的脚本条件
|
||
output = self.execute_code(int(
|
||
node["parameters"]["breakMode"]) - 1, node["parameters"]["breakCode"], node["parameters"]["breakCodeWaitTime"])
|
||
code = get_output_code(output)
|
||
if code <= 0:
|
||
break
|
||
elif int(node["parameters"]["loopType"]) == 1: # 不固定元素列表
|
||
try:
|
||
elements = self.browser.find_elements(By.XPATH,
|
||
node["parameters"]["xpath"], iframe=node["parameters"]["iframe"])
|
||
if len(elements) == 0:
|
||
print("Loop element not found: ",
|
||
node["parameters"]["xpath"])
|
||
print("找不到循环元素: ", node["parameters"]["xpath"])
|
||
self.recordLog("pathNotFound: " +
|
||
node["parameters"]["xpath"])
|
||
for index in range(len(elements)):
|
||
for i in node["sequence"]: # 挨个顺序执行循环里所有的操作
|
||
self.executeNode(i, elements[index],
|
||
node["parameters"]["xpath"], index)
|
||
if self.browser.current_window_handle != thisHandle: # 如果执行完一次循环之后标签页的位置发生了变化
|
||
while True: # 一直关闭窗口直到当前标签页
|
||
self.browser.close() # 关闭使用完的标签页
|
||
self.browser.switch_to.window(
|
||
self.browser.window_handles[-1])
|
||
if self.browser.current_window_handle == thisHandle:
|
||
break
|
||
if self.history["index"] != thisHistoryLength and self.history[
|
||
"handle"] == self.browser.current_window_handle: # 如果执行完一次循环之后历史记录发生了变化，注意当前页面的判断
|
||
difference = thisHistoryLength - \
|
||
self.history["index"] # 计算历史记录变化差值
|
||
self.browser.execute_script(
|
||
'history.go(' + str(difference) + ')') # 回退历史记录
|
||
# if node["parameters"]["historyWait"] > 2: # 回退后要等待的时间
|
||
time.sleep(node["parameters"]["historyWait"])
|
||
# else:
|
||
# time.sleep(2)
|
||
# 切换历史记录等待2秒或者：
|
||
self.Log("Change history back time or:",
|
||
node["parameters"]["historyWait"])
|
||
self.browser.execute_script('window.stop()')
|
||
if int(node["parameters"]["breakMode"]) > 0: # 如果设置了退出循环的脚本条件
|
||
output = self.execute_code(int(
|
||
node["parameters"]["breakMode"]) - 1, node["parameters"]["breakCode"], node["parameters"]["breakCodeWaitTime"])
|
||
code = get_output_code(output)
|
||
if code <= 0:
|
||
break
|
||
except NoSuchElementException:
|
||
print("Loop element not found: ", node["parameters"]["xpath"])
|
||
print("找不到循环元素: ", node["parameters"]["xpath"])
|
||
self.recordLog("pathNotFound: " + node["parameters"]["xpath"])
|
||
except Exception as e:
|
||
raise
|
||
elif int(node["parameters"]["loopType"]) == 2: # 固定元素列表
|
||
# 千万不要忘了分割！！
|
||
for path in node["parameters"]["pathList"].split("\n"):
|
||
try:
|
||
element = self.browser.find_element(
|
||
By.XPATH, path, iframe=node["parameters"]["iframe"])
|
||
for i in node["sequence"]: # 挨个执行操作
|
||
self.executeNode(i, element, path, 0)
|
||
if self.browser.current_window_handle != thisHandle: # 如果执行完一次循环之后标签页的位置发生了变化
|
||
while True: # 一直关闭窗口直到当前标签页
|
||
self.browser.close() # 关闭使用完的标签页
|
||
self.browser.switch_to.window(
|
||
self.browser.window_handles[-1])
|
||
if self.browser.current_window_handle == thisHandle:
|
||
break
|
||
if self.history["index"] != thisHistoryLength and self.history[
|
||
"handle"] == self.browser.current_window_handle: # 如果执行完一次循环之后历史记录发生了变化，注意当前页面的判断
|
||
difference = thisHistoryLength - \
|
||
self.history["index"] # 计算历史记录变化差值
|
||
self.browser.execute_script(
|
||
'history.go(' + str(difference) + ')') # 回退历史记录
|
||
# if node["parameters"]["historyWait"] > 2: # 回退后要等待的时间
|
||
time.sleep(node["parameters"]["historyWait"])
|
||
# else:
|
||
# time.sleep(2)
|
||
self.Log("Change history back time or:",
|
||
node["parameters"]["historyWait"])
|
||
self.browser.execute_script('window.stop()')
|
||
except NoSuchElementException:
|
||
print("Loop element not found: ", path)
|
||
print("找不到循环元素: ", path)
|
||
self.recordLog("pathNotFound: " + path)
|
||
continue # 循环中找不到元素就略过操作
|
||
except Exception as e:
|
||
raise
|
||
if int(node["parameters"]["breakMode"]) > 0: # 如果设置了退出循环的脚本条件
|
||
output = self.execute_code(int(
|
||
node["parameters"]["breakMode"]) - 1, node["parameters"]["breakCode"], node["parameters"]["breakCodeWaitTime"])
|
||
code = get_output_code(output)
|
||
if code <= 0:
|
||
break
|
||
elif int(node["parameters"]["loopType"]) == 3: # 固定文本列表
|
||
textList = node["parameters"]["textList"].split("\n")
|
||
for text in textList:
|
||
self.recordLog("input: " + text)
|
||
for i in node["sequence"]: # 挨个执行操作
|
||
self.executeNode(i, text, "", 0)
|
||
if int(node["parameters"]["breakMode"]) > 0: # 如果设置了退出循环的脚本条件
|
||
output = self.execute_code(int(
|
||
node["parameters"]["breakMode"]) - 1, node["parameters"]["breakCode"], node["parameters"]["breakCodeWaitTime"])
|
||
code = get_output_code(output)
|
||
if code <= 0:
|
||
break
|
||
elif int(node["parameters"]["loopType"]) == 4: # 固定网址列表
|
||
# tempList = node["parameters"]["textList"].split("\r\n")
|
||
urlList = list(
|
||
filter(isnull, node["parameters"]["textList"].split("\n"))) # 去空行
|
||
# urlList = []
|
||
# for url in tempList:
|
||
# if url != "":
|
||
# urlList.append(url)
|
||
for url in urlList:
|
||
self.recordLog("input: " + url)
|
||
for i in node["sequence"]:
|
||
self.executeNode(i, url, "", 0)
|
||
if int(node["parameters"]["breakMode"]) > 0: # 如果设置了退出循环的脚本条件
|
||
output = self.execute_code(int(
|
||
node["parameters"]["breakMode"]) - 1, node["parameters"]["breakCode"], node["parameters"]["breakCodeWaitTime"])
|
||
code = get_output_code(output)
|
||
if code <= 0:
|
||
break
|
||
elif int(node["parameters"]["loopType"]) <= 6: # 命令返回值
|
||
while True: # do while循环
|
||
if int(node["parameters"]["loopType"]) == 5: # JS
|
||
output = self.execute_code(
|
||
0, node["parameters"]["code"], node["parameters"]["waitTime"])
|
||
elif int(node["parameters"]["loopType"]) == 6: # System
|
||
output = self.execute_code(
|
||
1, node["parameters"]["code"], node["parameters"]["waitTime"])
|
||
code = get_output_code(output)
|
||
if code <= 0:
|
||
break
|
||
for i in node["sequence"]: # 挨个执行操作
|
||
self.executeNode(i, code, node["parameters"]["xpath"], 0)
|
||
self.history["index"] = thisHistoryLength
|
||
self.history["handle"] = self.browser.current_window_handle
|
||
self.scrollDown(node["parameters"])
|
||
|
||
# 打开网页事件
|
||
def openPage(self, para, loopValue):
|
||
time.sleep(1) # 打开网页后强行等待至少1秒
|
||
if len(self.browser.window_handles) > 1:
|
||
self.browser.switch_to.window(
|
||
self.browser.window_handles[-1]) # 打开网页操作从第1个页面开始
|
||
self.browser.close()
|
||
self.browser.switch_to.window(
|
||
self.browser.window_handles[0]) # 打开网页操作从第1个页面开始
|
||
self.history["handle"] = self.browser.current_window_handle
|
||
if para["useLoop"]:
|
||
url = loopValue
|
||
elif para["url"] != "about:blank":
|
||
url = self.links[self.urlId]
|
||
# clear output parameters
|
||
for key in self.outputParameters:
|
||
self.outputParameters[key] = ""
|
||
else:
|
||
url = list(filter(isnull, para["links"].split("\n")))[0]
|
||
# 将value中的Field[""]替换为outputParameters中的键值
|
||
pattern = r'Field\["([^"]+)"\]'
|
||
try:
|
||
replaced_text = re.sub(
|
||
pattern, lambda match: self.outputParameters.get(match.group(1), ''), url)
|
||
except:
|
||
replaced_text = url
|
||
url = replaced_text
|
||
try:
|
||
maxWaitTime = int(para["maxWaitTime"])
|
||
except:
|
||
maxWaitTime = 10 # 默认最大等待时间为10秒
|
||
try:
|
||
self.browser.set_page_load_timeout(maxWaitTime) # 加载页面最大超时时间
|
||
self.browser.set_script_timeout(maxWaitTime)
|
||
self.browser.get(url)
|
||
self.Log('Loading page: ' + url)
|
||
self.recordLog('Loading page: ' + url)
|
||
except TimeoutException:
|
||
self.Log('Time out after set seconds when loading page: ' + url)
|
||
self.recordLog(
|
||
'Time out after set seconds when loading page: ' + url)
|
||
try:
|
||
self.browser.execute_script('window.stop()')
|
||
except:
|
||
pass
|
||
try:
|
||
self.history["index"] = self.browser.execute_script(
|
||
"return history.length")
|
||
except TimeoutException:
|
||
try:
|
||
self.browser.execute_script('window.stop()')
|
||
self.history["index"] = self.browser.execute_script(
|
||
"return history.length")
|
||
except:
|
||
self.history["index"] = 0
|
||
self.scrollDown(para) # 控制屏幕向下滚动
|
||
if self.containJudge:
|
||
try:
|
||
self.bodyText = self.browser.find_element(
|
||
By.CSS_SELECTOR, "body", iframe=False).text
|
||
self.Log('URL Page: ' + url)
|
||
self.recordLog('URL Page: ' + url)
|
||
except TimeoutException:
|
||
self.Log(
|
||
'Time out after set seconds when getting body text: ' + url)
|
||
self.recordLog(
|
||
'Time out after set seconds when getting body text:: ' + url)
|
||
self.browser.execute_script('window.stop()')
|
||
time.sleep(1)
|
||
self.Log("Need to wait 1 second to get body text")
|
||
# 再执行一遍
|
||
self.bodyText = self.browser.find_element(
|
||
By.CSS_SELECTOR, "body", iframe=False).text
|
||
except Exception as e:
|
||
self.Log(e)
|
||
self.recordLog(str(e))
|
||
|
||
# 键盘输入事件
|
||
|
||
def inputInfo(self, para, loopValue):
|
||
time.sleep(0.1) # 输入之前等待0.1秒
|
||
self.Log("Wait 0.1 second before input")
|
||
try:
|
||
textbox = self.browser.find_element(
|
||
By.XPATH, para["xpath"], iframe=para["iframe"])
|
||
# textbox.send_keys(Keys.CONTROL, 'a')
|
||
# textbox.send_keys(Keys.BACKSPACE)
|
||
self.execute_code(
|
||
2, para["beforeJS"], para["beforeJSWaitTime"], textbox) # 执行前置JS
|
||
# Send the HOME key
|
||
textbox.send_keys(Keys.HOME)
|
||
# Send the SHIFT + END key combination
|
||
textbox.send_keys(Keys.SHIFT, Keys.END)
|
||
# Send the DELETE key
|
||
textbox.send_keys(Keys.DELETE)
|
||
value = ""
|
||
if para["useLoop"]:
|
||
value = loopValue
|
||
else:
|
||
value = para["value"]
|
||
# 将value中的Field[""]替换为outputParameters中的键值
|
||
pattern = r'Field\["([^"]+)"\]'
|
||
try:
|
||
replaced_text = re.sub(
|
||
pattern, lambda match: self.outputParameters.get(match.group(1), ''), value)
|
||
replaced_text = re.sub(
|
||
'<enter>', '', replaced_text, flags=re.IGNORECASE)
|
||
except:
|
||
replaced_text = value
|
||
textbox.send_keys(replaced_text)
|
||
if value.lower().find("<enter>") >= 0:
|
||
textbox.send_keys(Keys.ENTER)
|
||
self.execute_code(
|
||
2, para["afterJS"], para["afterJSWaitTime"], textbox) # 执行后置js
|
||
# global bodyText # 每次执行点击，输入元素和打开网页操作后，需要更新bodyText
|
||
self.bodyText = self.browser.find_element(
|
||
By.CSS_SELECTOR, "body").text
|
||
except:
|
||
print("Cannot find input box element:" +
|
||
para["xpath"] + ", please try to set the wait time before executing this operation")
|
||
print("找不到输入框元素:" + para["xpath"] + "，请尝试在执行此操作前设置等待时间")
|
||
self.recordLog("Cannot find input box element:" +
|
||
para["xpath"] + "Please try to set the wait time before executing this operation")
|
||
|
||
# 点击元素事件
|
||
|
||
def clickElement(self, para, loopElement=None, clickPath="", index=0):
|
||
time.sleep(0.1) # 点击之前等待0.1秒
|
||
self.Log("Wait 0.1 second before clicking element")
|
||
if para["useLoop"]: # 使用循环的情况下，传入的clickPath就是实际的xpath
|
||
path = clickPath
|
||
else:
|
||
path = para["xpath"] # 不然使用元素定义的xpath
|
||
try:
|
||
maxWaitTime = int(para["maxWaitTime"])
|
||
except:
|
||
maxWaitTime = 10
|
||
self.browser.set_page_load_timeout(maxWaitTime) # 加载页面最大超时时间
|
||
self.browser.set_script_timeout(maxWaitTime)
|
||
# 点击前对该元素执行一段JavaScript代码
|
||
try:
|
||
element = self.browser.find_element(
|
||
By.XPATH, path, iframe=para["iframe"])
|
||
if para["beforeJS"] != "":
|
||
self.execute_code(2, para["beforeJS"],
|
||
para["beforeJSWaitTime"], element)
|
||
except:
|
||
print("Cannot find element:" +
|
||
path + ", please try to set the wait time before executing this operation")
|
||
print("找不到要点击的元素:" + path + "，请尝试在执行此操作前设置等待时间")
|
||
self.recordLog("Cannot find element:" +
|
||
path + ", please try to set the wait time before executing this operation")
|
||
tempHandleNum = len(self.browser.window_handles) # 记录之前的窗口位置
|
||
try:
|
||
click_way = int(para["clickWay"])
|
||
except:
|
||
click_way = 0
|
||
try:
|
||
if click_way == 0 or para["iframe"]: # 用selenium的点击方法
|
||
actions = ActionChains(self.browser) # 实例化一个action对象
|
||
actions.click(element).perform()
|
||
elif click_way == 1: # 用js的点击方法
|
||
script = 'var result = document.evaluate(`' + path + \
|
||
'`, document, null, XPathResult.ANY_TYPE, null);for(let i=0;i<arguments[0];i++){result.iterateNext();} result.iterateNext().click();'
|
||
self.browser.execute_script(script, str(index)) # 用js的点击方法
|
||
except TimeoutException:
|
||
self.Log('Time out after set seconds when loading clicked page')
|
||
self.recordLog(
|
||
'Time out after set seconds when loading clicked page')
|
||
self.browser.execute_script('window.stop()')
|
||
except Exception as e:
|
||
self.Log(e)
|
||
self.recordLog(str(e))
|
||
# 点击前对该元素执行一段JavaScript代码
|
||
try:
|
||
if para["afterJS"] != "":
|
||
element = self.browser.find_element(
|
||
By.XPATH, path, iframe=para["iframe"])
|
||
self.execute_code(2, para["afterJS"],
|
||
para["afterJSWaitTime"], element)
|
||
except:
|
||
print("Cannot find element:" + path)
|
||
self.recordLog("Cannot find element:" +
|
||
path + ", please try to set the wait time before executing this operation")
|
||
print("找不到要点击的元素:" + path + "，请尝试在执行此操作前设置等待时间")
|
||
waitTime = float(para["wait"]) + 0.01 # 点击之后等待
|
||
try:
|
||
waitType = int(para["waitType"])
|
||
except:
|
||
waitType = 0
|
||
if waitType == 0: # 固定等待时间
|
||
time.sleep(waitTime)
|
||
elif waitType == 1: # 随机等待时间
|
||
time.sleep(random.uniform(waitTime * 0.5, waitTime * 1.5))
|
||
if tempHandleNum != len(self.browser.window_handles): # 如果有新标签页的行为发生
|
||
self.browser.switch_to.window(
|
||
self.browser.window_handles[-1]) # 跳转到新的标签页
|
||
self.history["handle"] = self.browser.current_window_handle
|
||
try:
|
||
self.history["index"] = self.browser.execute_script(
|
||
"return history.length")
|
||
except TimeoutException:
|
||
self.browser.execute_script('window.stop()')
|
||
self.history["index"] = self.browser.execute_script(
|
||
"return history.length")
|
||
else:
|
||
try:
|
||
self.history["index"] = self.browser.execute_script(
|
||
"return history.length")
|
||
except TimeoutException:
|
||
self.browser.execute_script('window.stop()')
|
||
self.history["index"] = self.browser.execute_script(
|
||
"return history.length")
|
||
# 如果打开了新窗口，切换到新窗口
|
||
self.scrollDown(para) # 根据参数配置向下滚动
|
||
if self.containJudge: # 有判断语句才执行以下操作
|
||
# global bodyText # 每次执行点击，输入元素和打开网页操作后，需要更新bodyText
|
||
try:
|
||
self.bodyText = self.browser.find_element(
|
||
By.CSS_SELECTOR, "body").text
|
||
except TimeoutException:
|
||
self.Log('Time out after 10 seconds when getting body text')
|
||
self.recordLog(
|
||
'Time out after 10 seconds when getting body text')
|
||
self.browser.execute_script('window.stop()')
|
||
time.sleep(1)
|
||
self.Log("wait one second after get body text")
|
||
# 再执行一遍
|
||
self.bodyText = self.browser.find_element(
|
||
By.CSS_SELECTOR, "body").text
|
||
# rt.end()
|
||
except Exception as e:
|
||
self.Log(e)
|
||
self.recordLog(str(e))
|
||
# rt.end()
|
||
|
||
def get_content(self, p, element):
|
||
content = ""
|
||
if p["contentType"] == 0:
|
||
# 先处理特殊节点类型
|
||
if p["nodeType"] == 2:
|
||
if element.get_attribute("href") != None:
|
||
content = element.get_attribute("href")
|
||
else:
|
||
content = ""
|
||
elif p["nodeType"] == 3:
|
||
if element.get_attribute("value") != None:
|
||
content = element.get_attribute("value")
|
||
else:
|
||
content = ""
|
||
elif p["nodeType"] == 4: # 图片
|
||
if element.get_attribute("src") != None:
|
||
content = element.get_attribute("src")
|
||
else:
|
||
content = ""
|
||
try:
|
||
downloadPic = p["downloadPic"]
|
||
except:
|
||
downloadPic = 0
|
||
if downloadPic == 1:
|
||
download_image(content, "Data/Task_" +
|
||
str(self.id) + "/" + self.saveName + "/")
|
||
else: # 普通节点
|
||
content = element.text
|
||
elif p["contentType"] == 1: # 只采集当期元素下的文本，不包括子元素
|
||
if p["nodeType"] == 2:
|
||
if element.get_attribute("href") != None:
|
||
content = element.get_attribute("href")
|
||
else:
|
||
content = ""
|
||
elif p["nodeType"] == 3:
|
||
if element.get_attribute("value") != None:
|
||
content = element.get_attribute("value")
|
||
else:
|
||
content = ""
|
||
elif p["nodeType"] == 4: # 图片
|
||
if element.get_attribute("src") != None:
|
||
content = element.get_attribute("src")
|
||
else:
|
||
content = ""
|
||
try:
|
||
downloadPic = p["downloadPic"]
|
||
except:
|
||
downloadPic = 0
|
||
if downloadPic == 1:
|
||
download_image(content, "Data/Task_" +
|
||
str(self.id) + "/" + self.saveName + "/")
|
||
else:
|
||
command = 'var arr = [];\
|
||
var content = arguments[0];\
|
||
for(var i = 0, len = content.childNodes.length; i < len; i++) {\
|
||
if(content.childNodes[i].nodeType === 3){ \
|
||
arr.push(content.childNodes[i].nodeValue);\
|
||
}\
|
||
}\
|
||
var str = arr.join(" "); \
|
||
return str;'
|
||
content = self.browser.execute_script(command, element).replace(
|
||
"\n", "").replace("\\s+", " ")
|
||
elif p["contentType"] == 2:
|
||
content = element.get_attribute('innerHTML')
|
||
elif p["contentType"] == 3:
|
||
content = element.get_attribute('outerHTML')
|
||
elif p["contentType"] == 4:
|
||
# 获取元素的背景图片地址
|
||
bg_url = element.value_of_css_property('background-image')
|
||
# 清除背景图片地址中的多余字符
|
||
bg_url = bg_url.replace('url("', '').replace('")', '')
|
||
content = bg_url
|
||
elif p["contentType"] == 5:
|
||
content = self.browser.current_url
|
||
elif p["contentType"] == 6:
|
||
content = self.browser.title
|
||
elif p["contentType"] == 7:
|
||
# 获取整个网页的高度和宽度
|
||
height = self.browser.execute_script(
|
||
"return document.body.scrollHeight")
|
||
width = self.browser.execute_script(
|
||
"return document.body.scrollWidth")
|
||
# 调整浏览器窗口的大小
|
||
self.browser.set_window_size(width, height)
|
||
element.screenshot("Data/Task_" + str(self.id) + "/" + self.saveName +
|
||
"/" + str(time.time()) + ".png")
|
||
elif p["contentType"] == 8:
|
||
try:
|
||
screenshot = element.screenshot_as_png
|
||
screenshot_stream = io.BytesIO(screenshot)
|
||
# 使用Pillow库打开截图，并转换为灰度图像
|
||
image = Image.open(screenshot_stream).convert('L')
|
||
# 使用Tesseract OCR引擎识别图像中的文本
|
||
text = pytesseract.image_to_string(image, lang='chi_sim+eng')
|
||
content = text
|
||
except Exception as e:
|
||
content = "OCR Error"
|
||
print("To use OCR, You need to install Tesseract-OCR and add it to the environment variable PATH (need to restart EasySpider after you put in PATH): https://tesseract-ocr.github.io/tessdoc/Installation.html")
|
||
if sys.platform == "win32":
|
||
print("要使用OCR识别功能，你需要安装Tesseract-OCR并将其添加到环境变量PATH中（添加后需重启EasySpider）：https://blog.csdn.net/u010454030/article/details/80515501\nhttps://www.bilibili.com/video/BV1xz4y1b72D/")
|
||
elif sys.platform == "darwin":
|
||
print(e)
|
||
print(
|
||
"注意以上错误，要使用OCR识别功能，你需要安装Tesseract-OCR并将其添加到环境变量PATH中（添加后需重启EasySpider）：https://zhuanlan.zhihu.com/p/146044810")
|
||
elif sys.platform == "linux":
|
||
print(e)
|
||
print(
|
||
"注意以上错误，要使用OCR识别功能，你需要安装Tesseract-OCR并将其添加到环境变量PATH中（添加后需重启EasySpider）：https://zhuanlan.zhihu.com/p/420259031")
|
||
else:
|
||
print(e)
|
||
print("注意以上错误，要使用OCR识别功能，你需要安装Tesseract-OCR并将其添加到环境变量PATH中（添加后需重启EasySpider）：https://blog.csdn.net/u010454030/article/details/80515501\nhttps://www.bilibili.com/video/BV1xz4y1b72D/")
|
||
elif p["contentType"] == 9:
|
||
content = self.execute_code(2, p["JS"], p["JSWaitTime"], element)
|
||
elif p["contentType"] == 10: # 下拉框选中的值
|
||
try:
|
||
select_element = Select(element)
|
||
content = select_element.first_selected_option.get_attribute(
|
||
"value")
|
||
except:
|
||
content = ""
|
||
elif p["contentType"] == 11: # 下拉框选中的文本
|
||
try:
|
||
select_element = Select(element)
|
||
content = select_element.first_selected_option.text
|
||
except:
|
||
content = ""
|
||
return content
|
||
|
||
# 提取数据事件
|
||
|
||
def getData(self, para, loopElement, isInLoop=True, parentPath="", index=0):
|
||
pageHTML = etree.HTML(self.browser.page_source)
|
||
try:
|
||
loopElementOuterHTML = loopElement.get_attribute('outerHTML')
|
||
except:
|
||
loopElementOuterHTML = ""
|
||
loopElementHTML = etree.HTML(loopElementOuterHTML)
|
||
for p in para["paras"]:
|
||
if p["optimizable"]:
|
||
try:
|
||
# 只有当前环境不变变化才可以快速提取数据
|
||
if self.browser.iframe_env != p["iframe"]:
|
||
p["optimizable"] = False
|
||
continue
|
||
p["relativeXPath"] = p["relativeXPath"].lower()
|
||
if p["nodeType"] == 2:
|
||
xpath = p["relativeXPath"] + "/@href"
|
||
elif p["contentType"] == 1:
|
||
xpath = p["relativeXPath"] + "/text()"
|
||
elif p["contentType"] == 0:
|
||
xpath = p["relativeXPath"] + "//text()"
|
||
if p["relative"]:
|
||
# if p["relativeXPath"] == "":
|
||
# content = [loopElementHTML]
|
||
# else:
|
||
# 如果字串里有//即子孙查找，则不动语句
|
||
if p["relativeXPath"].find("//") >= 0:
|
||
full_path = "(" + parentPath + \
|
||
xpath + ")" + \
|
||
"[" + str(index + 1) + "]"
|
||
content = pageHTML.xpath(full_path)
|
||
else:
|
||
content = loopElementHTML.xpath(
|
||
"/html/body/" + loopElementHTML[0][0].tag + xpath)
|
||
else:
|
||
if xpath.find("/html/body") < 0:
|
||
xpath = "/html/body" + xpath
|
||
content = pageHTML.xpath(xpath)
|
||
if len(content) > 0:
|
||
# html = etree.tostring(content[0], encoding='utf-8').decode('utf-8')
|
||
# 拼接所有文本内容并去掉两边的空白
|
||
content = ' '.join(result.strip()
|
||
for result in content if result.strip())
|
||
else:
|
||
content = p["default"]
|
||
if not self.dataNotFoundKeys[p["name"]]:
|
||
print('Element %s not found with parameter name %s when extracting data, use default, this error will only show once' % (
|
||
p["relativeXPath"], p["name"]))
|
||
print("提取数据操作时，字段名 %s 对应XPath %s 未找到，使用默认值，本字段将不再重复报错" % (
|
||
p["name"], p["relativeXPath"]))
|
||
self.dataNotFoundKeys[p["name"]] = True
|
||
self.recordLog(
|
||
'Element %s not found, use default' % p["relativeXPath"])
|
||
except Exception as e:
|
||
if not self.dataNotFoundKeys[p["name"]]:
|
||
print('Element %s not found with parameter name %s when extracting data, use default, this error will only show once' % (
|
||
p["relativeXPath"], p["name"]))
|
||
print("提取数据操作时，字段名 %s 对应XPath %s 未找到（请查看原因，如是否翻页太快页面元素未加载出来），使用默认值，本字段将不再重复报错" % (
|
||
p["name"], p["relativeXPath"]))
|
||
self.dataNotFoundKeys[p["name"]] = True
|
||
self.recordLog(
|
||
'Element %s not found, use default' % p["relativeXPath"])
|
||
self.outputParameters[p["name"]] = content
|
||
|
||
# 对于不能优化的操作，使用selenium执行
|
||
for p in para["paras"]:
|
||
if not p["optimizable"]:
|
||
content = ""
|
||
if not (p["contentType"] == 5 or p["contentType"] == 6): # 如果不是页面标题或URL，去找元素
|
||
try:
|
||
p["relativeXPath"] = p["relativeXPath"].lower()
|
||
if p["relative"]: # 是否相对xpath
|
||
if p["relativeXPath"] == "": # 相对xpath有时候就是元素本身，不需要二次查找
|
||
element = loopElement
|
||
else:
|
||
# 如果字串里有//即子孙查找，则不动语句
|
||
if p["relativeXPath"].find("//") >= 0:
|
||
full_path = "(" + parentPath + \
|
||
p["relativeXPath"] + ")" + \
|
||
"[" + str(index + 1) + "]"
|
||
element = self.browser.find_element(
|
||
By.XPATH, full_path, iframe=p["iframe"])
|
||
else:
|
||
element = loopElement.find_element(By.XPATH,
|
||
p["relativeXPath"][1:])
|
||
else:
|
||
element = self.browser.find_element(
|
||
By.XPATH, p["relativeXPath"], iframe=p["iframe"])
|
||
except (NoSuchElementException, InvalidSelectorException, StaleElementReferenceException): # 找不到元素的时候，使用默认值
|
||
# print(p)
|
||
try:
|
||
content = p["default"]
|
||
except Exception as e:
|
||
content = ""
|
||
self.outputParameters[p["name"]] = content
|
||
try:
|
||
if not self.dataNotFoundKeys[p["name"]]:
|
||
print('Element %s not found with parameter name %s when extracting data, use default, this error will only show once' % (
|
||
p["relativeXPath"], p["name"]))
|
||
print("提取数据操作时，字段名 %s 对应XPath %s 未找到，使用默认值，本字段将不再重复报错" % (
|
||
p["name"], p["relativeXPath"]))
|
||
self.dataNotFoundKeys[p["name"]] = True
|
||
self.recordLog(
|
||
'Element %s not found, use default' % p["relativeXPath"])
|
||
except:
|
||
pass
|
||
continue
|
||
except TimeoutException: # 超时的时候设置超时值
|
||
self.Log('Time out after set seconds when getting data')
|
||
self.recordLog(
|
||
'Time out after set seconds when getting data')
|
||
self.browser.execute_script('window.stop()')
|
||
if p["relative"]: # 是否相对xpath
|
||
if p["relativeXPath"] == "": # 相对xpath有时候就是元素本身，不需要二次查找
|
||
element = loopElement
|
||
else:
|
||
element = loopElement.find_element(By.XPATH,
|
||
p["relativeXPath"][1:])
|
||
else:
|
||
element = self.browser.find_element(
|
||
By.XPATH, p["relativeXPath"], iframe=p["iframe"])
|
||
# rt.end()
|
||
else:
|
||
element = self.browser.find_element(
|
||
By.XPATH, "//body", iframe=p["iframe"])
|
||
try:
|
||
self.execute_code(
|
||
2, p["beforeJS"], p["beforeJSWaitTime"], element) # 执行前置js
|
||
content = self.get_content(p, element)
|
||
except StaleElementReferenceException: # 发生找不到元素的异常后，等待几秒重新查找
|
||
self.recordLog(
|
||
'StaleElementReferenceException: '+p["relativeXPath"])
|
||
time.sleep(3)
|
||
try:
|
||
if p["relative"]: # 是否相对xpath
|
||
if p["relativeXPath"] == "": # 相对xpath有时候就是元素本身，不需要二次查找
|
||
element = loopElement
|
||
self.recordLog(
|
||
'StaleElementReferenceException: loopElement')
|
||
else:
|
||
element = loopElement.find_element(By.XPATH,
|
||
p["relativeXPath"][1:])
|
||
self.recordLog(
|
||
'StaleElementReferenceException: loopElement+relativeXPath')
|
||
else:
|
||
element = self.browser.find_element(
|
||
By.XPATH, p["relativeXPath"], iframe=p["iframe"])
|
||
self.recordLog(
|
||
'StaleElementReferenceException: relativeXPath')
|
||
content = self.get_content(p, element)
|
||
except StaleElementReferenceException:
|
||
self.recordLog(
|
||
'StaleElementReferenceException: '+p["relativeXPath"])
|
||
continue # 再出现类似问题直接跳过
|
||
self.outputParameters[p["name"]] = content
|
||
self.execute_code(
|
||
2, p["afterJS"], p["afterJSWaitTime"], element) # 执行后置JS
|
||
line = []
|
||
for value in self.outputParameters.values():
|
||
line.append(value)
|
||
print(value[:15], " ", end="")
|
||
print("")
|
||
self.OUTPUT.append(line)
|
||
# rt.end()
|
||
|
||
|
||
if __name__ == '__main__':
|
||
config = {
|
||
"id": [0],
|
||
"saved_file_name": "",
|
||
"user_data": False,
|
||
"config_folder": "",
|
||
"config_file_name": "config.json",
|
||
"read_type": "remote",
|
||
"headless": False,
|
||
"server_address": "http://localhost:8074",
|
||
"version": "0.3.5",
|
||
}
|
||
c = Config(config)
|
||
print(c)
|
||
options = Options()
|
||
driver_path = "chromedriver.exe"
|
||
import platform
|
||
print(sys.platform, platform.architecture())
|
||
option = webdriver.ChromeOptions()
|
||
if not os.path.exists(os.getcwd()+"/Data"):
|
||
os.mkdir(os.getcwd()+"/Data")
|
||
if sys.platform == "darwin" and platform.architecture()[0] == "64bit":
|
||
options.binary_location = "EasySpider.app/Contents/Resources/app/chrome_mac64.app/Contents/MacOS/Google Chrome"
|
||
# MacOS需要用option而不是options！
|
||
option.binary_location = "EasySpider.app/Contents/Resources/app/chrome_mac64.app/Contents/MacOS/Google Chrome"
|
||
driver_path = "EasySpider.app/Contents/Resources/app/chromedriver_mac64"
|
||
# options.binary_location = "chrome_mac64.app/Contents/MacOS/Google Chrome"
|
||
# # MacOS需要用option而不是options！
|
||
# option.binary_location = "chrome_mac64.app/Contents/MacOS/Google Chrome"
|
||
# driver_path = os.getcwd()+ "/chromedriver_mac64"
|
||
print(driver_path)
|
||
elif os.path.exists(os.getcwd()+"/EasySpider/resources"): # 打包后的路径
|
||
print("Finding chromedriver in EasySpider",
|
||
os.getcwd()+"/EasySpider")
|
||
if sys.platform == "win32" and platform.architecture()[0] == "32bit":
|
||
options.binary_location = os.path.join(
|
||
os.getcwd(), "EasySpider/resources/app/chrome_win32/chrome.exe") # 指定chrome位置
|
||
driver_path = os.path.join(
|
||
os.getcwd(), "EasySpider/resources/app/chrome_win32/chromedriver_win32.exe")
|
||
elif sys.platform == "win32" and platform.architecture()[0] == "64bit":
|
||
options.binary_location = os.path.join(
|
||
os.getcwd(), "EasySpider/resources/app/chrome_win64/chrome.exe")
|
||
driver_path = os.path.join(
|
||
os.getcwd(), "EasySpider/resources/app/chrome_win64/chromedriver_win64.exe")
|
||
elif sys.platform == "linux" and platform.architecture()[0] == "64bit":
|
||
options.binary_location = "EasySpider/resources/app/chrome_linux64/chrome"
|
||
driver_path = "EasySpider/resources/app/chrome_linux64/chromedriver_linux64"
|
||
else:
|
||
print("Unsupported platform")
|
||
sys.exit()
|
||
print("Chrome location:", options.binary_location)
|
||
print("Chromedriver location:", driver_path)
|
||
# elif os.getcwd().find("ExecuteStage") >= 0: # 如果直接执行
|
||
# print("Finding chromedriver in ./Chrome",
|
||
# os.getcwd()+"/Chrome")
|
||
# options.binary_location = "./Chrome/chrome.exe" # 指定chrome位置
|
||
# # option.binary_location = "C:\\Users\\q9823\\AppData\\Local\\Google\\Chrome\\Application\\chrome.exe"
|
||
# driver_path = "./Chrome/chromedriver.exe"
|
||
elif os.path.exists(os.getcwd()+"/../ElectronJS"):
|
||
if os.getcwd().find("ElectronJS") >= 0: # 软件dev用
|
||
print("Finding chromedriver in EasySpider",
|
||
os.getcwd())
|
||
option.binary_location = "chrome_win64/chrome.exe"
|
||
driver_path = "chrome_win64/chromedriver_win64.exe"
|
||
else: # 直接在executeStage文件夹内使用python easyspider_executestage.py时的路径
|
||
print("Finding chromedriver in EasySpider",
|
||
os.getcwd()+"/ElectronJS")
|
||
option.binary_location = "../ElectronJS/chrome_win64/chrome.exe" # 指定chrome位置
|
||
driver_path = "../ElectronJS/chrome_win64/chromedriver_win64.exe"
|
||
else:
|
||
options.binary_location = "./chrome.exe" # 指定chrome位置
|
||
driver_path = "./chromedriver.exe"
|
||
|
||
option.add_experimental_option(
|
||
'excludeSwitches', ['enable-automation']) # 以开发者模式
|
||
options.add_argument('-ignore-certificate-errors')
|
||
options.add_argument('-ignore -ssl-errors')
|
||
option.add_argument('-ignore-certificate-errors')
|
||
option.add_argument('-ignore -ssl-errors')
|
||
# user_data_dir = r'' # 注意没有Default！
|
||
|
||
# options.add_argument('--user-data-dir='+p)
|
||
|
||
# 总结：
|
||
# 0. 带Cookie需要用userdatadir
|
||
# 1. chrome_options才是配置用户文件和chrome文件地址的正确选项
|
||
# 2. User Profile文件夹的路径是：C:\Users\用户名\AppData\Local\Google\Chrome\User Data不要加Default
|
||
# 3. 就算User Profile相同，chrome版本不同所存储的cookie信息也不同，也不能爬
|
||
# 4. TMALL如果一直弹出验证码，而且无法通过验证，那么需要在其他浏览器上用
|
||
if c.user_data:
|
||
with open(c.config_folder + c.config_file_name, "r", encoding='utf-8') as f:
|
||
config = json.load(f)
|
||
absolute_user_data_folder = config["absolute_user_data_folder"]
|
||
print("\nAbsolute_user_data_folder:",
|
||
absolute_user_data_folder, "\n")
|
||
option.add_argument(
|
||
f'--user-data-dir={absolute_user_data_folder}') # TMALL 反扒
|
||
option.add_argument("--profile-directory=Default")
|
||
|
||
if c.headless:
|
||
print("Headless mode")
|
||
print("无头模式")
|
||
option.add_argument("--headless")
|
||
options.add_argument("--headless")
|
||
|
||
# options.add_argument(
|
||
# '--user-data-dir=C:\\Users\\q9823\\AppData\\Local\\Google\\Chrome\\User Data') # TMALL 反扒
|
||
option.add_argument(
|
||
"--disable-blink-features=AutomationControlled") # TMALL 反扒
|
||
options.add_argument(
|
||
"--disable-blink-features=AutomationControlled") # TMALL 反扒
|
||
|
||
threads = []
|
||
for i in c.id:
|
||
print(options)
|
||
print("id: ", i)
|
||
if c.saved_file_name != "":
|
||
saveName = c.saved_file_name # 保存文件的名字
|
||
else:
|
||
# 获取当前时间
|
||
now = datetime.now()
|
||
# 将时间格式化为精确到毫秒的字符串
|
||
saveName = now.strftime("%Y_%m_%d_%H_%M_%S_%f")
|
||
print("Save Name for task ID", i, "is:", saveName)
|
||
print("任务ID", i, "的保存文件名为:", saveName)
|
||
if not os.path.exists("Data/Task_" + str(i)):
|
||
os.mkdir("Data/Task_" + str(i))
|
||
if not os.path.exists("Data/Task_" + str(i) + "/" + saveName):
|
||
os.mkdir("Data/Task_" + str(i) + "/" + saveName) # 创建保存文件夹用来保存截图
|
||
if c.read_type == "remote":
|
||
print("remote")
|
||
content = requests.get(
|
||
c.server_address + "/queryExecutionInstance?id=" + str(i))
|
||
service = json.loads(content.text) # 加载服务信息
|
||
else:
|
||
print("local")
|
||
with open("execution_instances/" + str(i) + ".json", 'r', encoding='utf-8') as f:
|
||
content = f.read()
|
||
service = json.loads(content) # 加载服务信息
|
||
print("Task Name:", service["name"])
|
||
print("任务名称:", service["name"])
|
||
try:
|
||
cloudflare = service["cloudflare"]
|
||
except:
|
||
cloudflare = 0
|
||
if cloudflare == 0:
|
||
options.add_experimental_option("prefs", {
|
||
# 设置文件下载路径
|
||
"download.default_directory": "Data/Task_" + str(i),
|
||
"download.prompt_for_download": False, # 禁止下载提示框
|
||
"plugins.plugins_list": [{"enabled": False, "name": "Chrome PDF Viewer"}],
|
||
"download.directory_upgrade": True,
|
||
"download.extensions_to_open": "applications/pdf",
|
||
"plugins.always_open_pdf_externally": True # 总是在外部程序中打开PDF
|
||
})
|
||
option.add_experimental_option("prefs", {
|
||
# 设置文件下载路径
|
||
"download.default_directory": "Data/Task_" + str(i),
|
||
"download.prompt_for_download": False, # 禁止下载提示框
|
||
"plugins.plugins_list": [{"enabled": False, "name": "Chrome PDF Viewer"}],
|
||
"download.directory_upgrade": True,
|
||
"download.extensions_to_open": "applications/pdf",
|
||
"plugins.always_open_pdf_externally": True # 总是在外部程序中打开PDF
|
||
})
|
||
try:
|
||
if service["environment"] == 1:
|
||
option.add_experimental_option(
|
||
'mobileEmulation', {'deviceName': 'iPhone X'}) # 模拟iPhone X浏览
|
||
options.add_experimental_option(
|
||
'mobileEmulation', {'deviceName': 'iPhone X'}) # 模拟iPhone X浏览
|
||
except:
|
||
pass
|
||
browser_t = MyChrome(
|
||
options=options, chrome_options=option, executable_path=driver_path)
|
||
elif cloudflare == 1:
|
||
browser_t = uc.Chrome(
|
||
options=options, chrome_options=option, executable_path=driver_path)
|
||
print("Pass Cloudflare Mode")
|
||
print("过Cloudflare验证模式")
|
||
event = Event()
|
||
event.set()
|
||
thread = BrowserThread(browser_t, i, service, c.version, event)
|
||
print("Thread with task id: ", i, " is created")
|
||
threads.append(thread)
|
||
thread.start()
|
||
Thread(target=check_pause, args=("p", event)).start()
|
||
time.sleep(5)
|
||
print("\n\n----------------------------------")
|
||
print("正在运行任务，长按键盘p键可暂停任务的执行以便手工操作浏览器如输入验证码；如果想恢复任务的执行，请再次长按p键。")
|
||
print("Running task, long press 'p' to pause the task for manual operation of the browser such as entering the verification code; If you want to resume the execution of the task, please long press 'p' again.")
|
||
print("----------------------------------\n\n")
|
||
|
||
for thread in threads:
|
||
thread.join()
|
||
|
||
for thread in threads:
|
||
thread.browser.quit()
|
||
print("Thread with task id: ", thread.id, " is closed")
|