使用硒，PhantomJS和BS4抓取

Question

我目前正在使用Windows 10和Python 3.7，并且我一直在阅读有关如何在不打开urls列表中每个URL的1个Firefox浏览器窗口的情况下进行爬网的信息。下面的代码向后抛出错误，我确定这与PhantomJS的实现方式有关，我只是不知道具体是什么。

我已经阅读到PhantomJS与Selenium一起使用是一种解决方案。我安装了PJS，在计算机上设置了Path，它似​​乎正在运行，但是我不确定如何在代码本身中实现它。

driver = webdriver.PhantomJS(executable_path=r"C:\phantomjs")行是试图运行PJS的行。在使用driver = webdriver.Firefox()之前，代码工作得很好。

urls = ["https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=0&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=90&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=180&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=270&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=360&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=450&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=540&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=630&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=720&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=810&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=900&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD","https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=990&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD"]
#url = "https://www.guitarcenter.com/Used/Bass.gc#pageName=used-page&N=18171+1076&Nao=180&recsPerPage=90&postalCode=02494&radius=100&profileCountryCode=US&profileCurrencyCode=USD"

user_agent = UserAgent()

#make csv file
csv_file = open("gcscrape.csv", "w", newline='') #added the newline thing on 5.17.20 to try to stop blank lines from writing
csv_writer = csv.writer(csv_file)
csv_writer.writerow(["bass_name","bass_price"])

for url in urls:
    web_r = requests.get(url)
    web_soup = BeautifulSoup(web_r.text,"html.parser")

        #print(web_soup.findAll("li", class_="product-container")) #finding all of the grid items on the url above - price, photo, image, details and all
        #print(len(web_soup.findAll("li", class_="product-container"))) #printing out the length of the

    #driver = webdriver.Firefox()
    driver = webdriver.PhantomJS(executable_path=r"C:\phantomjs")
    driver.get(url)
    html = driver.execute_script("return document.documentElement.outerHTML") #whats inside of this is a javascript call to get the outer html content of the page
    sel_soup = BeautifulSoup(html, "html.parser")

    for content in sel_soup.findAll("li", class_="product-container"):
            #print(content)

        bass_name = content.find("div", class_="productTitle").text.strip() #pulls the bass guitar name
        print(bass_name)

        prices_new = []
        for i in content.find("span", class_="productPrice").text.split("$"):
            prices_new.append(i.strip())
        bp = prices_new[1]
        print(bp)

        #write row to new csv file
        csv_writer.writerow([bass_name, bp])

我目前正在使用Windows 10和Python 3.7，并且我一直在阅读有关如何在不打开1个Firefox浏览器窗口的情况下对url列表中要刮取的每个URL进行刮取的信息。下面的代码...

Answer 1

请确保为您的操作系统here下载正确的PhantomJs发行版。