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#!/usr/bin/env python3
import sys
import json
from bs4 import BeautifulSoup
def parse_cnki_tables(cnki_html):
soup = BeautifulSoup(cnki_html, "lxml")
papers = []
for table in soup.find_all('table'):
for row in table.tbody.find_all('tr'):
paper = dict()
for col in ('seq', 'author', 'date'):
paper[col] = row.find('td', **{'class': col}).get_text().strip().replace('\n', ' ')
name_td = row.find('td', **{'class': 'name'})
operat_td = row.find('td', **{'class': 'operat'})
paper['title'] = name_td.a.get_text().strip().replace('\n', ' ')
paper['seq'] = int(paper['seq'])
paper['authors'] = [a for a in paper.pop('author').split(';') if a]
mark = row.find('span', **{'class': 'markOricon'})
paper['info_url'] = "http://en.gzbd.cnki.net" + name_td.a['href']
paper['pdf_url'] = "http://en.gzbd.cnki.net" + operat_td.find('a', **{'class': 'icon-download'})['href']
try:
paper['html_url'] = "http://en.gzbd.cnki.net" + operat_td.find('a', **{'class': 'icon-html'})['href']
except TypeError:
try:
paper['read_url'] = "http://en.gzbd.cnki.net" + operat_td.find('a', **{'class': 'icon-read'})['href']
except TypeError:
#print(operat_td, file=sys.stderr)
pass
if 'FileName=' in paper['info_url']:
params = paper['info_url'].split('?')[1].split('&')
for p in params:
if p.startswith("FileName="):
paper['cnki_id'] = p.replace("FileName=", "")
break
if mark and mark.get_text() == 'CN':
paper['is_cn'] = True
else:
paper['is_cn'] = False
papers.append(paper)
return papers
if __name__ == "__main__":
with open("cnki_tables.html", "r") as f:
res = parse_cnki_tables(f.read())
for paper in res:
print(json.dumps(paper, sort_keys=True))
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