from bs4 import BeautifulSoup


class Parser:
    def __init__(self, html_content: str):
        self.html_content = html_content

    def get_img_url_list(self):
        soup = BeautifulSoup(self.html_content, "html.parser")
        img_tags = soup.find("div", class_="reading-content").find_all("img")
        img_urls = []
        for img_tag in img_tags:
            img_url = img_tag.attrs["data-src"]
            img_urls.append(img_url)
        return img_urls