81 lines
2.2 KiB
Python
81 lines
2.2 KiB
Python
import requests
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from bs4 import BeautifulSoup
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# get soup from url
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def get_html(url):
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r = requests.get(url)
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html = r.content
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soup = BeautifulSoup(html, 'html.parser')
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return soup
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# get category and URL from side div and put them as a list [catego, url] in a list
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def get_category_list(soup, url):
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catego_info = []
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catego_dict = {}
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for li in soup.find("div", class_="side_categories").find_all("li"):
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catego_info.append([li.a.get_text(strip = True).lower(), url + li.a.get('href')])
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catego_dict[li.a.get_text(strip = True).lower()] = url + li.a.get('href')
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return catego_dict
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def check_for_pages(category_url):
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soup_catego = get_html(category_url)
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total = int(soup_catego.form.strong.text)
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url_list = [category_url]
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if total > 20:
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new_url_base = category_url.replace('index.html','')
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j = 2
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for i in range(total//20):
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page = "page-" + str(j) + ".html"
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url_list.append(new_url_base + page)
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j += 1
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return url_list
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# get product list url from a given url category page;
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# extract and build each product url using the main url (second arg)
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def get_product_url_list(url_category_page, url):
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liste = []
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soup = get_html(url_category_page)
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for i in soup.find_all("article"):
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relative_url = i.h3.a.get('href')
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product_url = url + relative_url.split('../')[-1]
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liste.append(product_url)
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return liste
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def main():
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# init
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url = "https://books.toscrape.com/"
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category = "default"
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# get functional variables
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soup = get_html(url)
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liste_categories = get_category_list(soup, url)
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# get category URL to do some tests on it
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category_url = liste_categories[category]
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print(category_url)
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# check if multiple page and get url list
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url_list = check_for_pages(category_url)
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print("Liste des URLs des pages: ", url_list)
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# get product list for each url_list, extend the main product url list with
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product_url_list = []
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for i in url_list:
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product_url_list.extend(get_product_url_list(i, url))
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print("Liste des URL des produits: ", product_url_list)
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print("Longueur de la liste: ", len(product_url_list))
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if __name__ == '__main__':
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main()
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