刮过的数据在控制台中打印，但不在csv文件中打印

Question

大家好，SO的忠实粉丝

所以我正在构建一个搜寻器，它可以将数据很好地打印到控制台，甚至可以创建所需的csv文件-但该文件为空。数据和输出文件之间显然存在通信错误，但是我看不到我的错误。 我已经使用PyCharm进行过检查，但是并没有显示任何内容:(。

我包含了我的代码（只是更改了我要从其抓取的网站），并且将非常感谢提供指导的每个人！

---

from random import randint
from typing import List
import requests
from bs4 import BeautifulSoup
from selenium import webdriver

session = requests.Session()

path_to_chromedriver = '/Users/me/Desktop/chromedriver.exe'
browser = webdriver.Chrome(executable_path = path_to_chromedriver)

headers = {"user-agent": "Chrome/67.0.3396.87"}

dns = 'https://www.example.com/'
url = dns + 'specific-profile-page/'


def r_sleep(sleep=None, mylog=None):
    length: float = float(randint(2000, 10000)) / 1000
    mylog("Safety Random Sleep has started for {0} sec".format(length))
    sleep(length)
    mylog("Safety Random Sleep is over")


browser.get(url)
elements = browser.find_elements_by_link_text('Profile')
links = []

class CrawledDoctor:
      def __init__(self, title, special, partner, street, area, phone, web):

        self.title = title
        self.special = special
        self.partner = partner
        self.street = street
        self.area = area
        self.phone = phone
        self.web = web


class DoctorFetcher:
    def fetch(self):
        doctors: List[CrawledDoctor] = []
        while url != "":
            print("Current page ", url)
            r = requests.get(url, headers=headers)


            print(r.status_code)
            if r.status_code != 200:
                print('request returns invalid status code')

            for i in range(len(elements)):
                links.append(elements[i].get_attribute('href'))

            for link in links:
                print('navigating to: ' + link)
                new_page = browser.get(link)

                # do stuff within that page here...
                if new_page is None:
                    print("Start scraping ...")
                soup = BeautifulSoup(browser.page_source, 'lxml', exclude_encodings=["ISO-8859-7"])

                for info in soup.select('#profil_name_adresse'):
                    try:
                        title = info.select_one('h1').text
                        print(title)
                        special = info.select_one('p.grau').text
                        print(special)
                        try:
                            partner = info.find('a.link-black').attrs[
                                'href'].text  
                            print(partner)
                        except AttributeError:  
                            partner = print('no partner')
                        street = info.find('p', {'class': 'grau'}).next_sibling.contents[0]
                        print(street)
                        area = info.find('p', {'class': 'grau'}).next_sibling.contents[2]
                        print(area)
                        phone = info.find('p', {'class': 'grau'}).next_sibling.next_sibling.next_sibling.contents[0]
                        print(phone)
                        web = info.find('p', {'class': 'grau'}).next_sibling.next_sibling.next_sibling.a.text
                        print(web)
                    except AttributeError:
                        print("Keine Angabe")
                    crawled = CrawledDoctor(title, special, partner, street, area, phone, web)
                    doctors.append(crawled)
                    browser.back()

        return doctors



import csv

fetcher = DoctorFetcher()

with open('myfile.csv', 'w', newline='') as csvfile:
    doctorwriter = csv.writer(csvfile, delimiter=';', quotechar='"', quoting=csv.QUOTE_MINIMAL)

    for doctor in fetcher.fetch:
        doctorwriter.writerow(
            [doctor.title, doctor.special, doctor.partner, doctor.street, doctor.area, doctor.phone, doctor.web])
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