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爬取YY评级信息

时间:2019-10-27 10:30:29      阅读:122      评论:0      收藏:0      [点我收藏+]
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @File  : 爬取YY评级基本信息.py
# @Author: lattesea
# @Date  : 2019/10/7
# @Desc  :
import requests
import json
import csv
from fake_useragent import UserAgent
import time
import random


class YYpingjiSpider(object):
    def __init__(self):
        self.url = https://api.ratingdog.cn/v1/search?limit=10&offset={}&type=3&qtext=&filter=%7B%7D&_=1570391570681
        self.url2 = https://api.ratingdog.cn/v1/GetIssuerInfo?IssuerID={}&IssuerType=1001
        self.url3 = https://api.ratingdog.cn/v1/GetIssuerInfo?IssuerID={}&IssuerType=1002

    def get_headers(self):
        ua = UserAgent()
        headers = {
            "Accept": "application/json, text/plain, */*",
            "Origin": "https://www.ratingdog.cn",
            "Referer": "https://www.ratingdog.cn/",
            "Sec-Fetch-Mode": "cors",
            "User-Agent": ua.random
        }
        return headers

    def parse_IssuerID_IssuerType(self, url):
        IssuerID_list = []
        html_json = requests.get(url=url, headers=self.get_headers()).text
        html_py = json.loads(html_json)
        for i in html_py[rows]:
            IssuerID_list.append((i[IssuerID], i[IssuerType]))
        print(IssuerID_list)
        return IssuerID_list

    def parse_basic_message_1002(self, IssuerID):
        url = self.url3.format(IssuerID)
        basic_message = {}
        html_json = requests.get(url=url, headers=self.get_headers()).text
        html_py = json.loads(html_json)
        for i in html_py[rows]:
            basic_message[IssuerName] = html_py[rows][IssuerName]
            basic_message[CorporateRating] = html_py[rows][CorporateRating]
            basic_message[RatingAgency] = html_py[rows][RatingAgency]
            basic_message[Holder] = html_py[rows][Holder]
            basic_message[Industry] = html_py[rows][Industry]
            basic_message[Nature] = html_py[rows][Nature]
            basic_message[YYRating] = html_py[rows][YYRating]
            basic_message[IssuerType] = html_py[rows][IssuerType]
            basic_message[CreditAnalysis] = html_py[rows][CreditAnalysis]
            basic_message[PlatformImportance] = html_py[rows][CtExtendInfo][PlatformImportance]
            basic_message[PrincipalBusiness] = html_py[rows][CtExtendInfo][PrincipalBusiness]
            basic_message[GDP] = html_py[rows][CtExtendInfo][GDP]
            basic_message[Revenue] = html_py[rows][CtExtendInfo][Revenue]
            basic_message[YYRatio] = html_py[rows][CtExtendInfo][YYRatio]
            basic_message[IssuerCity] = html_py[rows][CtExtendInfo][IssuerCity]
            basic_message[ADLevel] = html_py[rows][CtExtendInfo][ADLevel]
        print(basic_message)
        return basic_message

    def parse_basic_message_1001(self, IssuerID):
        url = self.url2.format(IssuerID)
        basic_message = {}
        html_json = requests.get(url=url, headers=self.get_headers()).text
        html_py = json.loads(html_json)
        for i in html_py[rows]:
            basic_message[IssuerName] = html_py[rows][IssuerName]
            basic_message[CorporateRating] = html_py[rows][CorporateRating]
            basic_message[RatingAgency] = html_py[rows][RatingAgency]
            basic_message[Holder] = html_py[rows][Holder]
            basic_message[Industry] = html_py[rows][Industry]
            basic_message[Nature] = html_py[rows][Nature]
            basic_message[YYRating] = html_py[rows][YYRating]
            basic_message[IssuerType] = html_py[rows][IssuerType]
            basic_message[CreditAnalysis] = html_py[rows][CreditAnalysis]
            basic_message[YYIndustry] = html_py[rows][CyExtendInfo][YYIndustry]
            basic_message[YYIndustryId] = html_py[rows][CyExtendInfo][YYIndustryId]
            basic_message[IndustrylStatus] = html_py[rows][CyExtendInfo][IndustrylStatus]
            basic_message[ShareholderBackground] = html_py[rows][CyExtendInfo][ShareholderBackground]
            basic_message[OperatingStatus] = html_py[rows][CyExtendInfo][OperatingStatus]
            basic_message[FinancialStatus] = html_py[rows][CyExtendInfo][FinancialStatus]
            basic_message[Focus] = html_py[rows][CyExtendInfo][Focus]
        print(basic_message)
        return basic_message

    def save_csv_1001(self, result):
        keyword_list1 = [IssuerName, CorporateRating, RatingAgency, Holder, Industry, Nature, YYRating,
                         IssuerType, CreditAnalysis, YYIndustry, YYIndustryId, IndustrylStatus,
                         ShareholderBackground, OperatingStatus, FinancialStatus, Focus]

        with open(1001.csv, a, newline=‘‘) as f:
            writer = csv.DictWriter(f, keyword_list1)
            # for row in result:
            writer.writerow(result)

    def save_csv_1002(self, result):
        keyword_list2 = [IssuerName, CorporateRating, RatingAgency, Holder, Industry, Nature, YYRating,
                         IssuerType, CreditAnalysis, PlatformImportance, PrincipalBusiness, PrincipalBusiness,
                         GDP, Revenue, YYRatio, IssuerCity, ADLevel]

        with open(1002.csv, a, newline=‘‘) as f:
            writer = csv.DictWriter(f, keyword_list2)
            # for row in result:
            writer.writerow(result)

    def run(self):
        # self.parse_IssuerID()
        # self.parse_basic_message_1001()
        for i in range(0, 4631, 20):
            url = self.url.format(i)
            IssuerID_IssuerType = self.parse_IssuerID_IssuerType(url)
            for j in IssuerID_IssuerType:

                if j[1] == 产业:
                    result = self.parse_basic_message_1001(j[0])
                    self.save_csv_1001(result)
                elif j[1] == 城投:
                    result = self.parse_basic_message_1002(j[0])
                    self.save_csv_1002(result)
                time.sleep(random.uniform(1, 4))


if __name__ == __main__:
    spider = YYpingjiSpider()
    spider.run()

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爬取YY评级信息

原文:https://www.cnblogs.com/lattesea/p/11746480.html

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