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Исходный код для урока (https://youtu.be/KPXPr-KS-qk)
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#!/usr/bin/env python3 | |
import csv | |
import requests | |
from bs4 import BeautifulSoup | |
BASE_URL = 'https://www.weblancer.net/jobs/' | |
def get_html(url): | |
response = requests.get(url) | |
if response.status_code == 200: | |
return response.content | |
else: | |
print ("Error") | |
quit() | |
def get_page_count(html): | |
soup = BeautifulSoup(html, features="lxml") | |
paggination = soup.find('div', class_='pagination_box') | |
return int(paggination.find_all('a')[-1]['href'].split("=")[1]) | |
def parse(html): | |
soup = BeautifulSoup(html, features="lxml") | |
table = soup.find('div', class_='page_content').find('div', class_='cols_table') | |
rows = table.find_all('div', class_='row') | |
projects = [] | |
for row in rows: | |
# Знак валюты в конец строки | |
price = row.find('div', class_='float-right float-sm-none title amount indent-xs-b0').text | |
if price != '': | |
price=price[1:]+price[0] | |
projects.append({ | |
'title': row.find('h2').text, | |
'short_description': row.find('p').text, | |
'categories': [category.text for category in row.find('div', class_='col-sm-8 text-muted dot_divided').find_all('a')], | |
'price': price, | |
'application': row.find('div', class_='float-left float-sm-none text_field').text.strip() | |
}) | |
return projects | |
def save(projects, path): | |
with open(path, 'w') as csvfile: | |
writer = csv.writer(csvfile) | |
writer.writerow(('Проект', 'Краткое описание', 'Категории', 'Цена', 'Заявки')) | |
writer.writerows( | |
(project['title'], project['short_description'], project['categories'], project['price'], project['application']) for project in projects | |
) | |
def main(): | |
total_pages = get_page_count(get_html(BASE_URL)) | |
print('Всего найдено %d страниц...' % total_pages) | |
projects = [] | |
for page in range(1, total_pages + 1): | |
print('Парсинг %d%% (%d/%d)' % (page / total_pages * 100, page, total_pages)) | |
projects.extend(parse(get_html(BASE_URL + "?page=%d" % page))) | |
print('Сохранение...') | |
save(projects, 'projects.csv') | |
print('Готово!') | |
if __name__ == '__main__': | |
main() |
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