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- # -*- coding: utf-8 -*-
- # import atexit
- from datetime import datetime
- import io # 遇到错误退出时应执行的代码
- import json
- # from lib2to3.pgen2 import driver
- import re
- # import shutil
- import subprocess
- import sys
- # from urllib import parse
- # import base64
- # import hashlib
- import time
- # import keyboard
- import requests
- from lxml import etree
- from selenium.webdriver.chrome.options import Options
- from selenium.webdriver.common.keys import Keys
- from selenium.webdriver.common.action_chains import ActionChains
- from selenium import webdriver
- from selenium.webdriver.support.ui import WebDriverWait
- from selenium.webdriver.support import expected_conditions as EC
- from selenium.webdriver.common.by import By
- from selenium.common.exceptions import NoSuchElementException
- from selenium.common.exceptions import TimeoutException
- from selenium.common.exceptions import StaleElementReferenceException, InvalidSelectorException
- from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
- from selenium.webdriver.support.ui import Select
- from selenium.webdriver import ActionChains
- from selenium.webdriver.common.by import By
- import undetected_chromedriver as uc
- import random
- # import pandas as pd
- from openpyxl import load_workbook, Workbook
- # import numpy
- import csv
- import os
- from commandline_config import Config
- import pytesseract
- from PIL import Image
- # import uuid
- from threading import Thread, Event
- from myChrome import MyChrome, MyUCChrome
- from utils import check_pause, download_image, get_output_code, isnull, myMySQL, new_line, write_to_csv, write_to_excel
- desired_capabilities = DesiredCapabilities.CHROME
- desired_capabilities["pageLoadStrategy"] = "none"
- class BrowserThread(Thread):
- def __init__(self, browser_t, id, service, version, event, saveName, config):
- Thread.__init__(self)
- self.browser = browser_t
- self.config = config
- self.id = id
- self.event = event
- try:
- self.saveName = service["saveName"] # 保存文件的名字
- except:
- now = datetime.now()
- # 将时间格式化为精确到秒的字符串
- self.saveName = now.strftime("%Y_%m_%d_%H_%M_%S")
- self.log = ""
- self.OUTPUT = ""
- self.SAVED = False
- self.BREAK = False
- # 名称设定
- if saveName != "": # 命令行覆盖保存名称
- self.saveName = saveName # 保存文件的名字
- now = datetime.now().strftime("%Y_%m_%d_%H_%M_%S")
- self.saveName = self.saveName.replace("current_time", now)
- print("Save Name for task ID", i, "is:", self.saveName)
- print("任务ID", i, "的保存文件名为:", self.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) + "/" + self.saveName):
- os.mkdir("Data/Task_" + str(i) + "/" + self.saveName) # 创建保存文件夹用来保存截图
- stealth_path = driver_path[:driver_path.find(
- "chromedriver")] + "stealth.min.js"
- with open(stealth_path, 'r') as f:
- js = f.read()
- print("Loading stealth.min.js")
- self.browser.execute_cdp_cmd('Page.addScriptToEvaluateOnNewDocument', {
- 'source': js}) # TMALL 反扒
- WebDriverWait(self.browser, 10)
- self.browser.get('about:blank')
- self.procedure = service["graph"] # 程序执行流程
- try:
- self.maxViewLength = service["maxViewLength"] # 最大显示长度
- except:
- self.maxViewLength = 15
- try:
- self.outputFormat = service["outputFormat"] # 输出格式
- except:
- self.outputFormat = "csv"
- try:
- 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
- pass
- else: # 0.3.1以下版本的EasySpider不兼容0.3.1及以上版本的EasySpider
- if service["version"] != version:
- print("版本不一致,请使用" +
- service["version"] + "版本的EasySpider运行该任务!")
- print("Version not match, please use EasySpider " +
- service["version"] + " to run this task!")
- self.browser.quit()
- sys.exit()
- except: # 0.2.0版本没有version字段,所以直接退出
- print("版本不一致,请使用v0.2.0版本的EasySpider运行该任务!")
- print("Version not match, please use EasySpider v0.2.0 to run this task!")
- self.browser.quit()
- sys.exit()
- try:
- self.save_threshold = service["saveThreshold"] # 保存最低阈值
- except:
- self.save_threshold = 10
- self.links = list(
- filter(isnull, service["links"].split("\n"))) # 要执行的link的列表
- self.OUTPUT = [] # 采集的数据
- self.writeMode = 1 # 写入模式,0为新建,1为追加
- if self.outputFormat == "csv" or self.outputFormat == "txt":
- if not os.path.exists("Data/Task_" + str(self.id) + "/" + self.saveName + '.' + self.outputFormat):
- self.OUTPUT.append([]) # 添加表头
- self.writeMode = 0
- elif self.outputFormat == "xlsx":
- if not os.path.exists("Data/Task_" + str(self.id) + "/" + self.saveName + '.xlsx'):
- self.OUTPUT.append([]) # 添加表头
- self.writeMode = 0
- elif self.outputFormat == "mysql":
- self.mysql = myMySQL(config["mysql_config_path"])
- self.mysql.create_table(self.saveName, service["outputParameters"])
- self.writeMode = 2
- if self.writeMode == 1:
- print("追加模式")
- print("Append Mode")
- elif self.writeMode == 0:
- print("新建模式")
- print("New Mode")
- elif self.writeMode == 2:
- print("MySQL模式")
- print("MySQL Mode")
- self.containJudge = service["containJudge"] # 是否含有判断语句
- self.outputParameters = {}
- self.outputParametersTypes = []
- self.outputParametersRecord = [] # 字段是否被记录
- self.dataNotFoundKeys = {} # 记录没有找到数据的key
- self.log = "" # 记下现在总共开了多少个标签页
- self.history = {"index": 0, "handle": None} # 记录页面现在所以在的历史记录的位置
- self.SAVED = False # 记录是否已经存储了
- for para in service["outputParameters"]: # 初始化输出参数
- if para["name"] not in self.outputParameters.keys():
- self.outputParameters[para["name"]] = ""
- self.dataNotFoundKeys[para["name"]] = False
- try:
- self.outputParametersTypes.append(para["type"])
- except:
- self.outputParametersTypes.append("text")
- try:
- self.outputParametersRecord.append(bool(para["recordASField"]))
- except:
- self.outputParametersRecord.append(True)
- # 文件叠加的时候不添加表头
- if self.outputFormat == "csv" or self.outputFormat == "txt" or self.outputFormat == "xlsx":
- if self.writeMode == 0:
- self.OUTPUT[0].append(para["name"])
- self.urlId = 0 # 全局记录变量
- self.preprocess() # 预处理,优化提取数据流程
- # 检测如果没有复杂的操作,优化提取数据流程
- def preprocess(self):
- for node in self.procedure:
- try:
- iframe = node["parameters"]["iframe"]
- except:
- node["parameters"]["iframe"] = False
- if node["option"] == 1: # 打开网页操作
- try:
- cookies = node["parameters"]["cookies"]
- except:
- node["parameters"]["cookies"] = ""
- if node["option"] == 3: # 提取数据操作
- paras = node["parameters"]["paras"]
- for para in paras:
- try:
- iframe = para["iframe"]
- except:
- para["iframe"] = False
- if para["beforeJS"] == "" and para["afterJS"] == "" and para["contentType"] <= 1 and para["nodeType"] <= 2:
- para["optimizable"] = True
- else:
- para["optimizable"] = False
- def run(self):
- # 挨个执行程序
- for i in range(len(self.links)):
- print("正在执行第", i + 1, "/ ", len(self.links), "个链接")
- print("Executing link", i + 1, "/ ", len(self.links))
- self.executeNode(0)
- self.urlId = self.urlId + 1
- files = os.listdir("Data/Task_" + str(self.id) + "/" + self.saveName)
- # 如果目录为空,则删除该目录
- if not files:
- os.rmdir("Data/Task_" + str(self.id) + "/" + self.saveName)
- print("Done!")
- print("执行完成!")
- self.recordLog("Done!")
- self.saveData(exit=True)
- if self.outputFormat == "mysql":
- self.mysql.close()
- def recordLog(self, str=""):
- self.log = self.log + str + "\n"
- # 控制台打印log函数
- def Log(self, text, text2=""):
- switch = False
- if switch:
- print(text, text2)
- # @atexit.register
- # def clean(self):
- # self.saveData(exit=True)
- # self.browser.quit()
- # sys.exit(0)
- def saveData(self, exit=False):
- # 每save_threshold条保存一次
- if exit == True or len(self.OUTPUT) >= self.save_threshold:
- # 写入日志
- with open("Data/Task_" + str(self.id) + "/" + self.saveName + '_log.txt', 'a', encoding='utf-8-sig') as file_obj:
- file_obj.write(self.log)
- file_obj.close()
- # 写入数据
- if self.outputFormat == "csv" or self.outputFormat == "txt":
- file_name = "Data/Task_" + \
- str(self.id) + "/" + self.saveName + '.' + self.outputFormat
- write_to_csv(file_name, self.OUTPUT, self.outputParametersRecord)
- elif self.outputFormat == "xlsx":
- file_name = "Data/Task_" + \
- str(self.id) + "/" + self.saveName + '.xlsx'
- write_to_excel(file_name, self.OUTPUT, self.outputParametersTypes, self.outputParametersRecord)
- elif self.outputFormat == "mysql":
- self.mysql.write_to_mysql(self.OUTPUT, self.outputParametersRecord, self.outputParametersTypes)
-
- self.OUTPUT = []
- self.log = ""
- def scrollDown(self, para, rt=""):
- try:
- time.sleep(para["scrollWaitTime"]) # 下拉前等待
- except:
- pass
- scrollType = int(para["scrollType"])
- try:
- if scrollType != 0 and para["scrollCount"] > 0: # 控制屏幕向下滚动
- for i in range(para["scrollCount"]):
- self.Log("Wait for set second after screen scrolling")
- body = self.browser.find_element(
- By.CSS_SELECTOR, "body", iframe=para["iframe"])
- if scrollType == 1:
- body.send_keys(Keys.PAGE_DOWN)
- elif scrollType == 2:
- body.send_keys(Keys.END)
- try:
- time.sleep(para["scrollWaitTime"]) # 下拉完等待
- except:
- pass
- except:
- self.Log('Time out after set seconds when scrolling. ')
- self.recordLog('Time out after set seconds when scrolling')
- self.browser.execute_script('window.stop()')
- if scrollType != 0 and para["scrollCount"] > 0: # 控制屏幕向下滚动
- for i in range(para["scrollCount"]):
- self.Log("Wait for set second after screen scrolling")
- body = self.browser.find_element(
- By.CSS_SELECTOR, "body", iframe=para["iframe"])
- if scrollType == 1:
- body.send_keys(Keys.PGDN)
- elif scrollType == 2:
- body.send_keys(Keys.END)
- try:
- time.sleep(para["scrollWaitTime"]) # 下拉完等待
- except:
- pass
- if rt != "":
- rt.end()
- def execute_code(self, codeMode, code, max_wait_time, element=None, iframe=False):
- output = ""
- if code == "":
- return ""
- if max_wait_time == 0:
- max_wait_time = 999999
- # print(codeMode, code)
- # 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), ''), code)
- except:
- replaced_text = code
- code = replaced_text
- if iframe and self.browser.iframe_env == False:
- # 获取所有的 iframe
- self.browser.switch_to.default_content()
- iframes = self.browser.find_elements(
- By.CSS_SELECTOR, "iframe", iframe=False)
- # 遍历所有的 iframe 并点击里面的元素
- for iframe in iframes:
- # 切换到 iframe
- try:
- self.browser.switch_to.default_content()
- self.browser.switch_to.frame(iframe)
- self.browser.iframe_env = True
- break
- except:
- print("Iframe switch failed")
- elif not iframe and self.browser.iframe_env == True:
- self.browser.switch_to.default_content()
- self.browser.iframe_env = False
- if int(codeMode) == 0:
- self.recordLog("Execute JavaScript:" + code)
- self.recordLog("执行JavaScript:" + code)
- self.browser.set_script_timeout(max_wait_time)
- try:
- output = self.browser.execute_script(code)
- except:
- output = ""
- self.recordLog("JavaScript execution failed")
- elif int(codeMode) == 2:
- self.recordLog("Execute JavaScript for element:" + code)
- self.recordLog("对元素执行JavaScript:" + code)
- self.browser.set_script_timeout(max_wait_time)
- try:
- output = self.browser.execute_script(code, element)
- except:
- output = ""
- self.recordLog("JavaScript execution failed")
- elif int(codeMode) == 1:
- self.recordLog("Execute System Call:" + code)
- self.recordLog("执行系统命令:" + code)
- # 执行系统命令
- try:
- # output = subprocess.run(code, capture_output=True, text=True, timeout=max_wait_time, encoding="utf-8", shell=True)
- output = subprocess.run(
- code, capture_output=True, text=True, timeout=max_wait_time, shell=True)
- # 输出命令返回值
- output = output.stdout
- print(output)
- except subprocess.TimeoutExpired:
- # 命令执行时间超过指定值,抛出异常
- self.recordLog("Command timed out")
- self.recordLog("命令执行超时")
- except Exception as e:
- print(e) # 打印异常信息
- self.recordLog("Command execution failed")
- self.recordLog("命令执行失败")
- return str(output)
- def customOperation(self, node, loopValue, loopPath, index):
- paras = node["parameters"]
- codeMode = int(paras["codeMode"])
- code = paras["code"]
- output = ""
- max_wait_time = int(paras["waitTime"])
- if codeMode == 2: # 使用循环的情况下,传入的clickPath就是实际的xpath
- try:
- elements = self.browser.find_elements(
- By.XPATH, loopPath, iframe=paras["iframe"])
- element = elements[index]
- output = self.execute_code(
- codeMode, code, max_wait_time, element, iframe=paras["iframe"])
- except:
- output = ""
- print("JavaScript execution failed")
- elif codeMode == 3:
- self.BREAK = True
- else: # 0 1
- output = self.execute_code(
- codeMode, code, max_wait_time, iframe=paras["iframe"])
- recordASField = bool(paras["recordASField"])
- if recordASField:
- print("操作<" + node["title"] + ">的返回值为:" + output)
- print("The return value of operation <" + node["title"] + "> is: " + output)
- self.outputParameters[node["title"]] = output
- if recordASField:
- line = new_line(self.outputParameters, self.maxViewLength, self.outputParametersRecord)
- self.OUTPUT.append(line)
- def switchSelect(self, para, loopValue):
- optionMode = int(para["optionMode"])
- optionValue = para["optionValue"]
- try:
- dropdown = Select(self.browser.find_element(
- By.XPATH, para["xpath"], iframe=para["iframe"]))
- try:
- if optionMode == 0:
- # 获取当前选中的选项索引
- current_index = dropdown.options.index(
- dropdown.first_selected_option)
- # 计算下一个选项的索引
- next_index = (current_index + 1) % len(dropdown.options)
- # 选择下一个选项
- dropdown.select_by_index(next_index)
- elif optionMode == 1:
- dropdown.select_by_index(int(optionValue))
- elif optionMode == 2:
- dropdown.select_by_value(optionValue)
- elif optionMode == 3:
- dropdown.select_by_visible_text(optionValue)
- except:
- print("切换下拉框选项失败:", para["xpath"],
- para["optionMode"], para["optionValue"])
- print("Failed to change drop-down box option:",
- para["xpath"], para["optionMode"], para["optionValue"])
- except:
- print("找不到下拉框元素:", para["xpath"])
- print("Cannot find drop-down box element:", para["xpath"])
- def moveToElement(self, para, loopElement=None, loopPath="", index=0):
- time.sleep(0.1) # 移动之前等待0.1秒
- if para["useLoop"]: # 使用循环的情况下,传入的clickPath就是实际的xpath
- path = loopPath
- # element = loopElement
- else:
- index = 0
- path = para["xpath"] # 不然使用元素定义的xpath
- # element = self.browser.find_element(
- # By.XPATH, path, iframe=para["iframe"])
- try:
- elements = self.browser.find_elements(
- By.XPATH, path, iframe=para["iframe"])
- element = elements[index]
- try:
- ActionChains(self.browser).move_to_element(element).perform()
- except:
- print("移动鼠标到元素失败:", para["xpath"])
- print("Failed to move mouse to element:", para["xpath"])
- except:
- print("找不到元素:", para["xpath"])
- print("Cannot find element:", para["xpath"])
- # 执行节点关键函数部分
- def executeNode(self, nodeId, loopValue="", loopPath="", index=0):
- node = self.procedure[nodeId]
- WebDriverWait(self.browser, 10).until
- # 等待元素出现才进行操作,10秒内未出现则报错
- (EC.visibility_of_element_located(
- (By.XPATH, node["parameters"]["xpath"])))
- # 根据不同选项执行不同操作
- if node["option"] == 0 or node["option"] == 10: # root操作,条件分支操作
- for i in node["sequence"]: # 从根节点开始向下读取
- self.executeNode(i, loopValue, loopPath, index)
- elif node["option"] == 1: # 打开网页操作
- self.recordLog("openPage")
- self.openPage(node["parameters"], loopValue)
- elif node["option"] == 2: # 点击元素
- self.recordLog("Click")
- self.clickElement(node["parameters"], loopValue, loopPath, index)
- elif node["option"] == 3: # 提取数据
- self.recordLog("getData")
- self.getData(node["parameters"], loopValue, node["isInLoop"],
- parentPath=loopPath, index=index)
- self.saveData()
- elif node["option"] == 4: # 输入文字
- self.inputInfo(node["parameters"], loopValue)
- elif node["option"] == 5: # 自定义操作
- self.customOperation(node, loopValue, loopPath, index)
- self.saveData()
- elif node["option"] == 6: # 切换下拉框
- self.switchSelect(node["parameters"], loopValue)
- elif node["option"] == 7: # 鼠标移动到元素上
- self.moveToElement(node["parameters"], loopValue, loopPath, index)
- elif node["option"] == 8: # 循环
- self.recordLog("loop")
- self.loopExecute(node, loopValue, loopPath, index) # 执行循环
- elif node["option"] == 9: # 条件分支
- self.recordLog("judge")
- 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"]
- try:
- waitType = int(node["parameters"]["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))
- self.Log("Wait seconds after node executing: ", waitTime)
- 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):
- 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:
- bodyText = self.browser.find_element(
- By.CSS_SELECTOR, "body", iframe=cnode["parameters"]["iframe"]).text
- if 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:]):
- 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"], iframe=cnode["parameters"]["iframe"])
- elif tType == 6: # System
- output = self.execute_code(
- 1, cnode["parameters"]["code"], cnode["parameters"]["waitTime"], iframe=cnode["parameters"]["iframe"])
- 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, iframe=cnode["parameters"]["iframe"])
- 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)
- if self.BREAK: # 如果有break操作,下面的操作不执行
- break
- if self.BREAK: # 如果有break操作,退出循环
- self.BREAK = False
- finished = True
- break
- 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"], iframe=node["parameters"]["iframe"])
- 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.BREAK:
- break
- if self.BREAK:
- self.BREAK = False
- break
- 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:
- 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"], iframe=node["parameters"]["iframe"])
- 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.BREAK:
- break
- if self.BREAK:
- self.BREAK = False
- break
- 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"], iframe=node["parameters"]["iframe"])
- 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 self.BREAK:
- break
- if self.BREAK:
- self.BREAK = False
- 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"], iframe=node["parameters"]["iframe"])
- 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 self.BREAK:
- break
- if self.BREAK:
- self.BREAK = False
- 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"], iframe=node["parameters"]["iframe"])
- 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"], iframe=node["parameters"]["iframe"])
- elif int(node["parameters"]["loopType"]) == 6: # System
- output = self.execute_code(
- 1, node["parameters"]["code"], node["parameters"]["waitTime"], iframe=node["parameters"]["iframe"])
- 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)
- if self.BREAK:
- break
- if self.BREAK:
- self.BREAK = False
- break
- 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)
- if para["cookies"] != "":
- self.browser.delete_all_cookies() # 清除所有已有cookie
- cookies = para["cookies"].split('\n')
- for cookie in cookies:
- name, value = cookie.split('=', 1)
- cookie_dict = {'name': name, 'value': value}
- # 加载 cookie
- self.browser.add_cookie(cookie_dict)
- 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
- except Exception as e:
- print("Failed to load page: " + url)
- self.recordLog('Failed to load page: ' + url)
- 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
- # 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, iframe=para["iframe"]) # 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, iframe=para["iframe"]) # 执行后置js
- 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):
- 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["useLoop"]: # 使用循环的情况下,传入的clickPath就是实际的xpath
- path = clickPath
- # element = loopElement
- else:
- index = 0
- path = para["xpath"] # 不然使用元素定义的xpath
- # element = self.browser.find_element(
- # By.XPATH, path, iframe=para["iframe"])
- elements = self.browser.find_elements(
- By.XPATH, path, iframe=para["iframe"])
- element = elements[index]
- if para["beforeJS"] != "":
- self.execute_code(2, para["beforeJS"],
- para["beforeJSWaitTime"], element, iframe=para["iframe"])
- 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: # 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')
- try:
- self.browser.execute_script('window.stop()')
- except:
- pass
- except Exception as e:
- self.Log(e)
- self.recordLog(str(e))
- # 点击后对该元素执行一段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, iframe=para["iframe"])
- 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
- # 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, iframe=p["iframe"])
- elif p["contentType"] == 12: # 系统命令返回值
- content = self.execute_code(1, p["JS"], p["JSWaitTime"])
- 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)
- if loopElement != "": # 只在数据在循环中提取时才需要获取循环元素
- try:
- loopElementOuterHTML = loopElement.get_attribute('outerHTML')
- except:
- try: # 循环点击每个链接如果没有新标签页打开,loopElement会丢失,此时需要重新获取
- elements = self.browser.find_elements(
- By.XPATH, parentPath, iframe=para["paras"][0]["iframe"])
- loopElement = elements[index]
- loopElementOuterHTML = loopElement.get_attribute(
- 'outerHTML')
- except:
- loopElementOuterHTML = ""
- else:
- 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("/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, iframe=p["iframe"]) # 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, iframe=p["iframe"]) # 执行后置JS
- line = new_line(self.outputParameters, self.maxViewLength, self.outputParametersRecord)
- 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"
- option.add_extension("EasySpider.app/Contents/Resources/app/XPathHelper.crx")
- options.add_extension("EasySpider.app/Contents/Resources/app/XPathHelper.crx")
- 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")
- option.add_extension("EasySpider/resources/app/XPathHelper.crx")
- 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")
- option.add_extension("EasySpider/resources/app/XPathHelper.crx")
- 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"
- option.add_extension("EasySpider/resources/app/XPathHelper.crx")
- 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"):
- # 软件dev用
- 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"
- option.add_extension("../ElectronJS/XPathHelper.crx")
- else:
- options.binary_location = "./chrome.exe" # 指定chrome位置
- driver_path = "./chromedriver.exe"
- option.add_extension("XPathHelper.crx")
- 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
- try:
- 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")
- except:
- pass
- if c.user_data:
- 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.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 = MyUCChrome(
- 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, c.saved_file_name, config=config)
- 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")
- print("程序已运行完成,请手动关闭此窗口。")
- print("The program has finished running, please manually close this window.")
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