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python - 多POST查询( session 模式)

转载 作者：太空狗 更新时间：2023-10-29 17:04:55 26 4
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我正在尝试审问这个 site获取报价列表。问题是我们需要填写 2 个表单(2 个 POST 查询)才能收到最终结果。

这是我到目前为止所做的:

首先，我在设置 cookie 后发送第一个 POST:

library(httr)
set_cookies(.cookies = c(a = "1", b = "2"))
first_url <- "https://compare.switchon.vic.gov.au/submit"
body <- list(energy_category="electricity",
             location="home",
             "location-home"="shift",
             "retailer-company"="",
             postcode="3000",
             distributor=7,
             zone=1,
             energy_concession=0,
             "file-provider"="",
             solar=0,
             solar_feedin_tariff="",
             disclaimer_chkbox="disclaimer_selected")
qr<- POST(first_url,
          encode="form",
          body=body)

然后尝试使用第二个帖子查询检索报价:

gov_url <- "https://compare.switchon.vic.gov.au/energy_questionnaire/submit"
qr1<- POST(gov_url,
          encode="form",
          body=list(`person-count`=1,
                    `room-count`=1,
                    `refrigerator-count`=1,
                    `gas-type`=4,
                    `pool-heating`=0,
                    spaceheating="none",
                    spacecooling="none",
                    `cloth-dryer`=0,
                    waterheating="other"),
          set_cookies(a = 1, b = 2))
)
library(XML)
dc <- htmlParse(qr1)

但不幸的是，我收到一条指示 session 结束的消息。非常感谢您为解决此问题提供的任何帮助。

更新添加cookies:

我添加了 cookie 和中间 GET，但我仍然没有任何结果。

library(httr)
first_url <- "https://compare.switchon.vic.gov.au/submit"
body <- list(energy_category="electricity",
             location="home",
             "location-home"="shift",
             "retailer-company"="",
             postcode=3000,
             distributor=7,
             zone=1,
             energy_concession=0,
             "file-provider"="",
             solar=0,
             solar_feedin_tariff="",
             disclaimer_chkbox="disclaimer_selected")
qr<- POST(first_url,
          encode="form",
          body=body,
          config=set_cookies(a = 1, b = 2))

xx <- GET("https://compare.switchon.vic.gov.au/energy_questionnaire",config=set_cookies(a = 1, b = 2))

gov_url <- "https://compare.switchon.vic.gov.au/energy_questionnaire/submit"
qr1<- POST(gov_url,
           encode="form",
           body=list(
             `person-count`=1,
             `room-count`=1,
             `refrigerator-count`=1,
             `gas-type`=4,
             `pool-heating`=0,
             spaceheating="none",
             spacecooling="none",
             `cloth-dryer`=0,
             waterheating="other"),
           config=set_cookies(a = 1, b = 2))

library(XML)
dc <- htmlParse(qr1)

最佳答案

使用 python requests.Session具有以下数据的对象将进入结果页面:

form1 = {"energy_category": "electricity",
         "location": "home",
         "location-home": "shift",
         "distributor": "7",
         "postcode": "3000",
         "energy_concession": "0",
         "solar": "0",
         "disclaimer_chkbox": "disclaimer_selected",
         }


form2 = {"person-count":"1",
"room-count":"4",
"refrigerator-count":"0",
"gas-type":"3",
"pool-heating":"0",
"spaceheating[]":"none",
"spacecooling[]":"none",
"cloth-dryer":"0",
"waterheating[]":"other"}

sub_url = "https://compare.switchon.vic.gov.au/submit"

with requests.Session() as s:
    s.post(sub_url, data=form1)
    r = (s.get("https://compare.switchon.vic.gov.au/energy_questionnaire"))
    s.post("https://compare.switchon.vic.gov.au/energy_questionnaire/submit",
           data=form2)
    r = s.get("https://compare.switchon.vic.gov.au/offers")
    print(r.content)

您应该会看到匹配的 h1在您在页面上看到的返回的 html 中:

          <h1>Your electricity offers</h1>

或者使用 scrapy 表单请求:

import scrapy

class Spider(scrapy.Spider):
    name = 'comp'
    start_urls = ['https://compare.switchon.vic.gov.au/energy_questionnaire/submit']

    form1 = {"energy_category": "electricity",
             "location": "home",
             "location-home": "shift",
             "distributor": "7",
             "postcode": "3000",
             "energy_concession": "0",
             "solar": "0",
             "disclaimer_chkbox": "disclaimer_selected",
             }

    sub_url = "https://compare.switchon.vic.gov.au/submit"
    form2 = {"person-count":"1",
    "room-count":"4",
    "refrigerator-count":"0",
    "gas-type":"3",
    "pool-heating":"0",
    "spaceheating[]":"none",
    "spacecooling[]":"none",
    "cloth-dryer":"0",
    "waterheating[]":"other"}

    def start_requests(self):
        return [scrapy.FormRequest(
            self.sub_url,
            formdata=form1,
            callback=self.parse
        )]

    def parse(self, response):
        return scrapy.FormRequest.from_response(
            response,
            formdata=form2,
            callback=self.after
        )

    def after(self, response):
        print("<h1>Your electricity offers</h1>" in response.body)

我们可以验证的是 "<h1>Your electricity offers</h1>" :

2016-03-07 12:27:31 [scrapy] DEBUG: Crawled (200) <GET https://compare.switchon.vic.gov.au/offers#list/electricity> (referer: https://compare.switchon.vic.gov.au/energy_questionnaire)
True
2016-03-07 12:27:31 [scrapy] INFO: Closing spider (finished)

下一个问题是实际数据是动态呈现的，如果您查看结果页面的来源，您可以验证这一点，您实际上可以获得 json 格式的所有提供程序:

with requests.Session() as s:
    s.post(sub_url, data=form1)
    r = (s.get("https://compare.switchon.vic.gov.au/energy_questionnaire"))
    s.post("https://compare.switchon.vic.gov.au/energy_questionnaire/submit",
           data=form2)
    r = s.get("https://compare.switchon.vic.gov.au/service/offers")
    print(r.json())

其中的一个片段是:

{u'pageMetaData': {u'showDual': False, u'isGas': False, u'showTouToggle': True, u'isElectricityInitial': True, u'showLoopback': False, u'isElectricity': True}, u'offersList': [{u'offerDetails': [{u'coolingOffPeriod': 0, u'retailerUrl': u'www.peopleenergy.com.au', u'offerId': u'PEO33707SR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': False, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1410, u'offerType': u'Standing offer', u'offerName': u'Residential 5-Day Time of Use', u'conditionalPrice': 1410, u'fullDiscountedPrice': 1390, u'greenPower': 0, u'retailerName': u'People Energy', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': False, u'greenpowerChargeType': None, u'tariffType': u'Time of use', u'retailerPhone': u'1300 788 970', u'isPartDual': False, u'retailerId': u'7322', u'isTouOffer': True, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'1645', u'exitFeeCount': 0, u'timeDefinition': u'Local time', u'retailerImageUrl': u'img/retailers/big/peopleenergy.png'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 0, u'retailerUrl': u'www.peopleenergy.com.au', u'offerId': u'PEO33773SR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': False, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1500, u'offerType': u'Standing offer', u'offerName': u'Residential Peak Anytime', u'conditionalPrice': 1500, u'fullDiscountedPrice': 1480, u'greenPower': 0, u'retailerName': u'People Energy', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': False, u'greenpowerChargeType': None, u'tariffType': u'Single rate', u'retailerPhone': u'1300 788 970', u'isPartDual': False, u'retailerId': u'7322', u'isTouOffer': False, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'1649', u'exitFeeCount': 0, u'timeDefinition': u'AEST only', u'retailerImageUrl': u'img/retailers/big/peopleenergy.png'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 0, u'retailerUrl': u'www.energythatcould.com.au', u'offerId': u'PAC33683SR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': False, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1400, u'offerType': u'Standing offer', u'offerName': u'Vic Home Flex', u'conditionalPrice': 1400, u'fullDiscountedPrice': 1400, u'greenPower': 0, u'retailerName': u'Pacific Hydro Retail Pty Ltd', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': False, u'greenpowerChargeType': None, u'tariffType': u'Flexible Pricing', u'retailerPhone': u'1800 010 648', u'isPartDual': False, u'retailerId': u'15902', u'isTouOffer': False, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'1666', u'exitFeeCount': 0, u'timeDefinition': u'Local time', u'retailerImageUrl': u'img/retailers/big/pachydro.jpg'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 0, u'retailerUrl': u'www.energythatcould.com.au', u'offerId': u'PAC33679SR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': False, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1340, u'offerType': u'Standing offer', u'offerName': u'Vic Home Flex', u'conditionalPrice': 1340, u'fullDiscountedPrice': 1340, u'greenPower': 0, u'retailerName': u'Pacific Hydro Retail Pty Ltd', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': False, u'greenpowerChargeType': None, u'tariffType': u'Single rate', u'retailerPhone': u'1800 010 648', u'isPartDual': False, u'retailerId': u'15902', u'isTouOffer': False, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'1680', u'exitFeeCount': 0, u'timeDefinition': u'Local time', u'retailerImageUrl': u'img/retailers/big/pachydro.jpg'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 10, u'retailerUrl': u'www.commander.com', u'offerId': u'M2E30367MR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': True, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1370, u'offerType': u'Market offer', u'offerName': u'Citipower Commander Residential Market Offer (CE3CPR-MAT1 + PF1/TF1/GF1)', u'conditionalPrice': 1370, u'fullDiscountedPrice': 1160, u'greenPower': 0, u'retailerName': u'Commander Power & Gas', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': True, u'greenpowerChargeType': None, u'tariffType': u'Single rate', u'retailerPhone': u'13 39 14', u'isPartDual': False, u'retailerId': u'13667', u'isTouOffer': False, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'2384', u'exitFeeCount': 0, u'timeDefinition': u'AEST only', u'retailerImageUrl': u'img/retailers/big/commanderpowergas.png'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 10, u'retailerUrl': u'www.commander.com', u'offerId': u'M2E30359MR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': True, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1330, u'offerType': u'Market offer', u'offerName': u'Citipower Commander Residential Market Offer (Flexible Pricing (Peak, Shoulder and Off Peak) (CE3CPR-MCFP1 + PF1/TF1/GF1)', u'conditionalPrice': 1330, u'fullDiscountedPrice': 1140, u'greenPower': 0, u'retailerName': u'Commander Power & Gas', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': True, u'greenpowerChargeType': None, u'tariffType': u'Time of use', u'retailerPhone': u'13 39 14', u'isPartDual': False, u'retailerId': u'13667', u'isTouOffer': True, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'2386', u'exitFeeCount': 0, u'timeDefinition': u'AEST only', u'retailerImageUrl': u'img/retailers/big/commanderpowergas.png'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 10, u'retailerUrl': u'www.commander.com', u'offerId': u'M2E33241MR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': True, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1300, u'offerType': u'Market offer', u'offerName': u'Citipower Commander Residential Market Offer (Peak / Off Peak) (CE3CPR-MPK1OP1)', u'conditionalPrice': 1300, u'fullDiscountedPrice': 1100, u'greenPower': 0, u'retailerName': u'Commander Power & Gas', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': True, u'greenpowerChargeType': None, u'tariffType': u'Time of use', u'retailerPhone': u'13 39 14', u'isPartDual': False, u'retailerId': u'13667', u'isTouOffer': True, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'2389', u'exitFeeCount': 0, u'timeDefinition': u'AEST only', u'retailerImageUrl': u'img/retailers/big/commanderpowergas.png'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 0, u'retailerUrl': u'www.commander.com', u'offerId': u'M2E30379SR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': False, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1370, u'offerType': u'Standing offer', u'offerName': u'Citipower Commander Residential Standing Offer (CE3CPR-SAT1 + PF1/TF1/GF1)', u'conditionalPrice': 1370, u'fullDiscountedPrice': 1370, u'greenPower': 0, u'retailerName': u'Commander Power & Gas', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': False, u'greenpowerChargeType': None, u'tariffType': u'Single rate', u'retailerPhone': u'13 39 14', u'isPartDual': False, u'retailerId': u'13667', u'isTouOffer': False, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'2391', u'exitFeeCount': 0, u'timeDefinition': u'AEST only', u'retailerImageUrl': u'img/retailers/big/commanderpowergas.png'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 0, u'retailerUrl': u'www.commander.com', u'offerId': u'M2E30369SR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': False, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1330, u'offerType': u'Standing offer', u'offerName': u'Citipower Commander Residential Standing Offer (Flexible Pricing (Peak, Shoulder and Off Peak) (CE3CPR-SCFP1 + PF1/TF1/GF1)', u'conditionalPrice': 1330, u'fullDiscountedPrice': 1330, u'greenPower': 0, u'retailerName': u'Commander Power & Gas', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': False, u'greenpowerChargeType': None, u'tariffType': u'Time of use', u'retailerPhone': u'13 39 14', u'isPartDual': False, u'retailerId': u'13667', u'isTouOffer': True, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'2393', u'exitFeeCount': 0, u'timeDefinition': u'AEST only', u'retailerImageUrl': u'img/retailers/big/commanderpowergas.png'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 0, u'retailerUrl': u'www.commander.com', u'offerId': u'M2E30375SR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': False, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1300, u'offerType': u'Standing offer', u'offerName': u'Citipower Commander Residential Standing Offer (Peak / Off Peak) (CE3CPR-SPK1OP1)', u'conditionalPrice': 1300, u'fullDiscountedPrice': 1300, u'greenPower': 0, u'retailerName': u'Commander Power & Gas', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': False, u'greenpowerChargeType': None, u'tariffType': u'Time of use', u'retailerPhone': u'13 39 14', u'isPartDual': False, u'retailerId': u'13667', u'isTouOffer': True, u'solarType': None, u'estimatedSolarCredit': 0, u'offerKey': u'2395', u'exitFeeCount': 0, u'timeDefinition': u'AEST only', u'retailerImageUrl': u'img/retailers/big/commanderpowergas.png'}], u'isClosed': False, u'isChecked': False, u'offerFuelType': 0}, {u'offerDetails': [{u'coolingOffPeriod': 0, u'retailerUrl': u'www.dodo.com/powerandgas', u'offerId': u'DOD32903SR', u'contractLengthCount': 1, u'exitFee': [0], u'hasIncentive': False, u'tariffDetails': {}, u'greenpowerAmount': 0, u'isDirectDebitOnly': False, u'basePrice': 1320, u'offerType': u'Standing offer', u'offerName': u'Citipower Res No Term Standing Offer (Common Form Flex Plan) (E3CPR-SCFP1)', u'conditionalPrice': 1320, u'fullDiscountedPrice': 1320, u'greenPower': 0, u'retailerName': u'Dodo Power & Gas', u'intrinsicGreenpowerPercentage': u'0.0000', u'contractLength': [u'None'], u'hasPayOnTimeDiscount': False, u'greenpowerChargeType': None, u'tariffType':

然后如果您稍后查看请求，例如当您单击结果页面上的比较所选按钮时，会出现如下请求:

https://compare.switchon.vic.gov.au/service/offer/tariff/9090/9092

因此，您可以通过使用关税或某些变体进行过滤来模拟发生的情况。

如果您在表单中输入与以下相同的值，您实际上可以获得所有数据作为 json:

form1 = {"energy_category": "electricity",
         "location": "home",
         "location-home": "shift",
         "distributor": "7",
         "postcode": "3000",
         "energy_concession": "0",
         "solar": "0",
         "disclaimer_chkbox": "disclaimer_selected"
         }

form2 = {"person-count":"1",
        "room-count":"1",
        "refrigerator-count":"1",
        "gas-type":"4",
        "pool-heating":"0",
        "spaceheating[]":"none",
        "spacecooling[]":"none",
        "cloth-dryer":"0",
        "cloth-dryer-freq-weekday":"",
        "waterheating[]":"other"}


import json
with requests.Session() as s:
    s.post(sub_url, data=form1)
    r = (s.get("https://compare.switchon.vic.gov.au/energy_questionnaire"))
    s.post("https://compare.switchon.vic.gov.au/energy_questionnaire/submit",
           data=form2)
    js = s.get("https://compare.switchon.vic.gov.au/service/offers").json()["offersList"]
    by_discount = sorted(js, key=lambda d: d["offerDetails"][0]["fullDiscountedPrice"])

如果我们只是从按总折扣价排序的列表中提取前两个值:

from pprint import pprint as pp
pp(by_discount[:2])

您将获得:

[{u'isChecked': False,
  u'isClosed': False,
  u'offerDetails': [{u'basePrice': 980,
                     u'conditionalPrice': 980,
                     u'contractLength': [u'None'],
                     u'contractLengthCount': 1,
                     u'coolingOffPeriod': 10,
                     u'estimatedSolarCredit': 0,
                     u'exitFee': [0],
                     u'exitFeeCount': 1,
                     u'fullDiscountedPrice': 660,
                     u'greenPower': 0,
                     u'greenpowerAmount': 0,
                     u'greenpowerChargeType': None,
                     u'hasIncentive': False,
                     u'hasPayOnTimeDiscount': True,
                     u'intrinsicGreenpowerPercentage': u'0.0000',
                     u'isDirectDebitOnly': False,
                     u'isPartDual': False,
                     u'isTouOffer': False,
                     u'offerId': u'GLO40961MR',
                     u'offerKey': u'7636',
                     u'offerName': u'GLO SWITCH',
                     u'offerType': u'Market offer',
                     u'retailerId': u'31206',
                     u'retailerImageUrl': u'img/retailers/big/globird.jpg',
                     u'retailerName': u'GloBird Energy',
                     u'retailerPhone': u'(03) 8560 4199',
                     u'retailerUrl': u'http://www.globirdenergy.com.au/switchon/',
                     u'solarType': None,
                     u'tariffDetails': {},
                     u'tariffType': u'Single rate',
                     u'timeDefinition': u'Local time'}],
  u'offerFuelType': 0},
 {u'isChecked': False,
  u'isClosed': False,
  u'offerDetails': [{u'basePrice': 1080,
                     u'conditionalPrice': 1080,
                     u'contractLength': [u'None'],
                     u'contractLengthCount': 1,
                     u'coolingOffPeriod': 10,
                     u'estimatedSolarCredit': 0,
                     u'exitFee': [0],
                     u'exitFeeCount': 1,
                     u'fullDiscountedPrice': 720,
                     u'greenPower': 0,
                     u'greenpowerAmount': 0,
                     u'greenpowerChargeType': None,
                     u'hasIncentive': False,
                     u'hasPayOnTimeDiscount': True,
                     u'intrinsicGreenpowerPercentage': u'0.0000',
                     u'isDirectDebitOnly': False,
                     u'isPartDual': False,
                     u'isTouOffer': True,
                     u'offerId': u'GLO41009MR',
                     u'offerKey': u'7642',
                     u'offerName': u'GLO SWITCH',
                     u'offerType': u'Market offer',
                     u'retailerId': u'31206',
                     u'retailerImageUrl': u'img/retailers/big/globird.jpg',
                     u'retailerName': u'GloBird Energy',
                     u'retailerPhone': u'(03) 8560 4199',
                     u'retailerUrl': u'http://www.globirdenergy.com.au/switchon/',
                     u'solarType': None,
                     u'tariffDetails': {},
                     u'tariffType': u'Time of use',
                     u'timeDefinition': u'Local time'}],
  u'offerFuelType': 0}]

当您单击 "DISCOUNTED PRICE" 时，它应该与您在页面上看到的相匹配过滤器按钮。

对于正常 View ，它似乎按 conditionalPrice 排序或 basePrice ，同样只提取前两个值应该与您在网页上看到的相匹配:

 base = sorted(js, key=lambda d: d["offerDetails"][0]["conditionalPrice"])

from pprint import pprint as pp
pp(base[:2])

[{u'isChecked': False,
  u'isClosed': False,
  u'offerDetails': [{u'basePrice': 740,
                     u'conditionalPrice': 740,
                     u'contractLength': [u'None'],
                     u'contractLengthCount': 1,
                     u'coolingOffPeriod': 0,
                     u'estimatedSolarCredit': 0,
                     u'exitFee': [0],
                     u'exitFeeCount': 0,
                     u'fullDiscountedPrice': 740,
                     u'greenPower': 0,
                     u'greenpowerAmount': 0,
                     u'greenpowerChargeType': None,
                     u'hasIncentive': False,
                     u'hasPayOnTimeDiscount': False,
                     u'intrinsicGreenpowerPercentage': u'0.0000',
                     u'isDirectDebitOnly': False,
                     u'isPartDual': False,
                     u'isTouOffer': False,
                     u'offerId': u'NEX42694SR',
                     u'offerKey': u'9092',
                     u'offerName': u'Citpower Single Rate Residential',
                     u'offerType': u'Standing offer',
                     u'retailerId': u'35726',
                     u'retailerImageUrl': u'img/retailers/big/nextbusinessenergy.jpg',
                     u'retailerName': u'Next Business Energy Pty Ltd',
                     u'retailerPhone': u'1300 466 398',
                     u'retailerUrl': u'http://www.nextbusinessenergy.com.au/',
                     u'solarType': None,
                     u'tariffDetails': {},
                     u'tariffType': u'Single rate',
                     u'timeDefinition': u'Local time'}],
  u'offerFuelType': 0},
 {u'isChecked': False,
  u'isClosed': False,
  u'offerDetails': [{u'basePrice': 780,
                     u'conditionalPrice': 780,
                     u'contractLength': [u'None'],
                     u'contractLengthCount': 1,
                     u'coolingOffPeriod': 0,
                     u'estimatedSolarCredit': 0,
                     u'exitFee': [0],
                     u'exitFeeCount': 0,
                     u'fullDiscountedPrice': 780,
                     u'greenPower': 0,
                     u'greenpowerAmount': 0,
                     u'greenpowerChargeType': None,
                     u'hasIncentive': False,
                     u'hasPayOnTimeDiscount': False,
                     u'intrinsicGreenpowerPercentage': u'0.0000',
                     u'isDirectDebitOnly': False,
                     u'isPartDual': False,
                     u'isTouOffer': False,
                     u'offerId': u'NEX42699SR',
                     u'offerKey': u'9090',
                     u'offerName': u'Citpower Residential Flexible Pricing',
                     u'offerType': u'Standing offer',
                     u'retailerId': u'35726',
                     u'retailerImageUrl': u'img/retailers/big/nextbusinessenergy.jpg',
                     u'retailerName': u'Next Business Energy Pty Ltd',
                     u'retailerPhone': u'1300 466 398',
                     u'retailerUrl': u'http://www.nextbusinessenergy.com.au/',
                     u'solarType': None,
                     u'tariffDetails': {},
                     u'tariffType': u'Flexible Pricing',
                     u'timeDefinition': u'Local time'}],
  u'offerFuelType': 0}]

如果你点击https://compare.switchon.vic.gov.au/service/offers，你可以看到firebug控制台返回的所有json。获取条目然后点击 response:

enter image description here

您应该能够从中提取您想要的每个字段。

输出实际上有一些额外的结果，除非您切换下面的 tou 按钮，否则您不会在页面上看到这些结果:

enter image description here

您可以从结果中过滤掉这些结果，以便与默认输出完全匹配，或者提供一个包含辅助函数的选项:

def order_by(l, k, is_tou=False):
    if not is_tou:
        filt = filter(lambda x: not x["offerDetails"][0]["isTouOffer"], l)
        return sorted(filt, key=lambda d: d["offerDetails"][0][k])
    return sorted(l, key=lambda d: d["offerDetails"][0][k])

import json
with requests.Session() as s:
    s.post(sub_url, data=form1)
    r = (s.get("https://compare.switchon.vic.gov.au/energy_questionnaire"))
    s.post("https://compare.switchon.vic.gov.au/energy_questionnaire/submit",
           data=form2)
    js = s.get("https://compare.switchon.vic.gov.au/service/offers").json()["offersList"]
    by_price = by_discount(js, "conditionalPrice", False)

print(by_price[:3)

如果您检查输出，您会看到第三个来源能源，在打开开关时结果中的价格为 840 或关闭时 AGL 的价格为 860，您可以将其应用于折扣输出:

enter image description here

enter image description here

常规输出似乎也按 conditionalPrice 排序，如果您检查源代码，则调用排序的两个 js 函数是:

 ng-click="changeSortingField('conditionalPrice')"
 ng-click="changeSortingField('fullDiscountedPrice')"

所以现在应该完全匹配网站输出。

关于python - 多POST查询( session 模式)，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/35809428/

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