examples/hnovel_spider/ltxsba_spider.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-
import argparse
from glob import glob
from pathlib import Path
import re
from typing import Set
from tqdm import tqdm

import requests

from project_settings import project_path
from toolbox.text_preprocess.filename_process import FilenamePreprocess


def get_args():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--data_dir",
        default=(project_path / "data/ltxsba").as_posix(),
        type=str
    )
    args = parser.parse_args()
    return args


headers = {
    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36",
}


all_visit_page_pattern = r"""<td class="L"><a href="http://www.ltxsba.xyz/bookcv/(.*?).html">(.*?)</a></td>"""
span_pattern = r"""<span>(.*?)</span>"""


def parse_all_visit_page_text(text):
    matches = re.findall(all_visit_page_pattern, text, flags=re.IGNORECASE)
    return matches


def main():
    args = get_args()

    data_dir = Path(args.data_dir)
    data_dir.mkdir(parents=True, exist_ok=True)

    fn_preprocess = FilenamePreprocess()

    finished_idx: Set[int] = set()
    for filename in data_dir.parent.glob("ltxsba*/*.txt"):
        idx = filename.stem.split("_")[-1]
        idx = int(idx)
        finished_idx.add(idx)

    print("finished idx: {}".format(len(finished_idx)))

    for idx in tqdm(range(50, 350)):

        url = "http://www.ltxsba.xyz/top/allvisit_{}.html".format(idx)
        # print(url)
        resp = requests.get(url, headers=headers, timeout=2)
        with open("ltxsba_temp.txt", "wb") as f:
            f.write(resp.content)
        with open("ltxsba_temp.txt", "r", encoding="gbk", errors="ignore") as f:
            text = f.read()

        matches = parse_all_visit_page_text(text)

        for match in matches:
            idx, name = match
            download_url = "http://www.ltxsba.xyz/down/{}".format(idx)

            if int(idx) in finished_idx:
                continue

            try:
                resp = requests.get(download_url)
                # print(download_url)
                # print(resp.status_code)
            except Exception:
                continue
            # print(resp.content)
            with open("ltxsba_temp.txt", "wb") as f:
                f.write(resp.content)
            with open("ltxsba_temp.txt", "r", encoding="gbk", errors="ignore") as f:
                text = f.read()

            matches = re.findall(span_pattern, text, flags=re.DOTALL)
            if len(matches) != 0:
                text = "".join(matches)
            else:
                text = text

            if len(text) == 0:
                continue

            text = re.sub(r"[\u0020]{4,}", "", text)
            text = re.sub(r"[\t]", "", text)
            text = re.sub(r"　", "", text)
            text = re.sub(r"\n\n", "\n", text)
            text = re.sub(r"&amp;", " ", text)
            text = re.sub(r"&nbsp;", " ", text)
            text = re.sub(r"quot;", "\"", text)
            text = re.sub(r"nbsp;", " ", text)
            text = re.sub(r"amp;", " ", text)
            text = re.sub(r"&#10008", "✘", text)
            text = re.sub(r"lt;", "<", text)
            text = re.sub(r"gt;", ">", text)
            text = re.sub(r"⌒{4,}", "⌒⌒⌒", text)
            text = re.sub(r"#{4,}", "###", text)

            name = str(name).replace("|", "_")
            name = str(name).replace("\\", "_")
            name = str(name).replace("/", "_")
            name = str(name).replace(":", "_")
            name = str(name).replace("~", "_")
            name = str(name).replace("?", "_")
            name = str(name).replace("～", "_")
            name = str(name).replace("*", "")
            name = str(name).replace("\"", "")
            name = str(name).replace("<", "")
            name = str(name).replace(">", "")
            name = re.sub(r"&amp;", " ", name)
            name = re.sub(r"&nbsp;", " ", name)
            name = re.sub(r"quot;", "\"", name)
            name = re.sub(r"nbsp;", " ", name)
            name = re.sub(r"amp;", " ", name)
            name = re.sub(r"&#10008", "✘", name)
            name = re.sub(r"lt;", "<", name)
            name = re.sub(r"gt;", ">", name)
            name = str(name).replace(" ", "")
            name = str(name).replace("#", "")

            name = fn_preprocess.process(name)
            print(name)

            with open(data_dir / "{}_{}.txt".format(name, idx), "w", encoding="utf-8") as f:
                f.write(text)

    return


if __name__ == '__main__':
    main()