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53 lines
1.6 KiB
53 lines
1.6 KiB
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Fetch catalog and output as JSON format.
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USAGE: python3 catalog.py
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"""
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import re
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import json
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import requests
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from logger import logger
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from bs4 import BeautifulSoup
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userAgent = ( # default user agent
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) '
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'AppleWebKit/537.36 (KHTML, like Gecko) '
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'Chrome/106.0.0.0 Safari/537.36 Edg/106.0.1370.47'
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)
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def httpRequest(url: str) -> str: # fetch raw html content
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request = requests.get(url, headers = {
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'user-agent': userAgent, # with fake user-agent
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'accept-encoding': 'gzip, deflate', # allow content compress
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})
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if request.status_code not in range(200, 300): # http status code 2xx
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raise RuntimeError('Http request failed')
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return request.text
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def extractCatalog(rawHtml: str) -> dict: # extract catalog from html content
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catalog = {}
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html = BeautifulSoup(rawHtml, 'lxml')
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items = html.select('div[class="section-box"]')[1]
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for item in items.select('a'):
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name = re.search(r'^(第\d+章)(.*)$', item.text)
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pageId = item.attrs['href'].replace('/book/54247/', '').replace('.html', '')
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catalog['%s %s' % (name[1], name[2].strip())] = pageId
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return catalog
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def fetchCatalog(pageNum: int) -> dict: # fetch all catalog
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catalog = {}
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for pageId in range(1, pageNum + 1): # traverse all pages
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pageUrl = 'http://www.108shu.com/book/54247/index_%d.html' % pageId
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logger.info('Page: %d -> `%s`' % (pageId, pageUrl))
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catalog.update(extractCatalog(httpRequest(pageUrl)))
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return catalog
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print(json.dumps(fetchCatalog(45)))
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