Created
September 14, 2015 01:46
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HN comment scraper
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| from __future__ import print_function | |
| from scrapy.selector import Selector | |
| import requests | |
| def scrape_comments(url): | |
| comments = [] | |
| r = requests.get(url).text | |
| sel = Selector(text=r) | |
| rough_comments = sel.xpath("//span[@class='comment']/span") | |
| for c in rough_comments: | |
| # For some reason the initial paragraph | |
| # of a comment isn't inside a <p> tag | |
| first_paragraph = c.xpath('./text()') | |
| # The following paragraph are in a <p> tag | |
| rest = c.xpath('./p/text()') | |
| # loop here just in case it's more | |
| # than 1 paragraph. | |
| for pg in first_paragraph: | |
| comments.append(pg.extract()) | |
| for pg in rest: | |
| comments.append(pg.extract()) | |
| return comments | |
| if __name__ == '__main__': | |
| comments = scrape_comments('https://news.ycombinator.com/item?id=10212770') | |
| print(comments, len(comments)) |
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