python爬虫爬取携程国际机票航班信息，返回json串

# -*- coding: utf-8 -*-
import requests, json
import hashlib
import re# 此处的参数是json   出发三字码，达到三字码，出发时间，成人数，儿童数，婴儿数,三字码请传小写的
def get_index(paramter):# 如果只执行这个脚本，需要将下边这行注释掉，如果放到服务，就打开# paramter = json.loads(paramter)dep_code = paramter["dep_code"]arr_code = paramter["arr_code"]date = paramter["date"]adult = paramter["adult"]child = paramter["child"]infant = paramter["infant"]urls = 'https://flights.ctrip.com/international/search/oneway-{}-{}?depdate={}&cabin=y_s&adult={}&child={}&infant={}'.format(dep_code, arr_code, date, adult, child, infant)# 这个url返回所需要的参数# urls = 'https://flights.ctrip.com/international/search/oneway-bjs-sel?depdate=2019-05-21&cabin=y_s&adult=1&child=0&infant=0'headers = {'headers': 'user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36'}response = requests.get(urls, headers=headers)data = re.findall(r'GlobalSearchCriteria =(.+);', response.text)[0]post_dict = json.loads(data)return post_dict, datedef get_data(post_dicts):post_dict = post_dicts[0]date = post_dicts[1]# ABTString = re.findall('id="ab_testing_tracker" value=(.+)/>', response.text)[0]trans_id = post_dict['transactionID']url = "https://flights.ctrip.com/international/search/api/search/batchSearch"# 拼接加密参数 trans_id +出发地到达地+时间sign_value = trans_id + post_dict['flightSegments'][0]['departureCityCode'] + post_dict['flightSegments'][0]['arrivalCityCode'] + date# 进行md5加密md5 = hashlib.md5()md5.update(sign_value.encode('utf-8'))sign = md5.hexdigest()flightWayEnum = "OW"arrivalProvinceId = post_dict["flightSegments"][0]["arrivalProvinceId"]arrivalCountryName = post_dict["flightSegments"][0]["arrivalCountryName"]cabinEnum = post_dict["cabin"]departCountryName = post_dict["flightSegments"][0]["departureCountryName"]segmentNo = len(post_dict["flightSegments"])departureCityId = post_dict["flightSegments"][0]["departureCityId"]isMultiplePassengerType = 0post_dict["flightWayEnum"] = flightWayEnumpost_dict["arrivalProvinceId"] = arrivalProvinceIdpost_dict["arrivalCountryName"] = arrivalCountryNamepost_dict["cabinEnum"] = cabinEnumpost_dict["departCountryName"] = departCountryNamepost_dict["segmentNo"] = segmentNopost_dict["departureCityId"] = departureCityIdpost_dict["isMultiplePassengerType"] = isMultiplePassengerType# payload = '{"flightWayEnum":"OW","arrivalProvinceId":0,"arrivalCountryName":"韩国","infantCount":0,"cabin":"Y_S","cabinEnum":"Y_S","departCountryName":"中国","flightSegments":[{"departureDate":"2019-05-21","arrivalProvinceId":0,"arrivalCountryName":"韩国","departureCityName":"北京","departureCityCode":"BJS","departureCountryName":"中国","arrivalCityName":"首尔","arrivalCityCode":"SEL","departureCityTimeZone":480,"arrivalCountryId":42,"timeZone":480,"departureCityId":1,"departureCountryId":1,"arrivalCityTimeZone":540,"departureProvinceId":1,"arrivalCityId":274}],"childCount":0,"segmentNo":1,"adultCount":1,"extensionAttributes":{},"transactionID":"c9ab78578e8342e8ba1101e5104fc5bd","directFlight":false,"departureCityId":1,"isMultiplePassengerType":0,"flightWay":"S","arrivalCityId":274,"departProvinceId":1}'# payload = payload.encode('UTF-8')headers = {'origin': "https://flights.ctrip.com",'sign': sign,'user-agent': "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36",'content-type': "application/json;charset=UTF-8",'accept': "application/json",'transactionid': trans_id,'Host': "flights.ctrip.com",'content-length': "815",'Connection': "keep-alive",'cache-control': "no-cache"}response = requests.request("POST", url, data=json.dumps(post_dict), headers=headers)# print(response.text)return response.textif __name__ == '__main__':para = {"dep_code": "bbk", "arr_code": "bjs", "date": "2019-10-25", "adult": 1, "child": 2, "infant": 1}post_dicts = get_index(para)print(get_data(post_dicts))

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python爬虫爬取携程国际机票航班信息，返回json串

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