nhentai/nhentai/parser.py
2019-01-15 21:09:24 +08:00

307 lines
10 KiB
Python

# coding: utf-8
from __future__ import unicode_literals, print_function
import os
import re
import threadpool
import requests
import time
from bs4 import BeautifulSoup
from tabulate import tabulate
import nhentai.constant as constant
from nhentai.logger import logger
def request(method, url, **kwargs):
if not hasattr(requests, method):
raise AttributeError('\'requests\' object has no attribute \'{0}\''.format(method))
return requests.__dict__[method](url, proxies=constant.PROXY, verify=False, **kwargs)
def login_parser(username, password):
s = requests.Session()
s.proxies = constant.PROXY
s.verify = False
s.headers.update({'Referer': constant.LOGIN_URL})
s.get(constant.LOGIN_URL)
content = s.get(constant.LOGIN_URL).content
html = BeautifulSoup(content, 'html.parser')
csrf_token_elem = html.find('input', attrs={'name': 'csrfmiddlewaretoken'})
if not csrf_token_elem:
raise Exception('Cannot find csrf token to login')
csrf_token = csrf_token_elem.attrs['value']
login_dict = {
'csrfmiddlewaretoken': csrf_token,
'username_or_email': username,
'password': password,
}
resp = s.post(constant.LOGIN_URL, data=login_dict)
if 'Invalid username/email or password' in resp.text:
logger.error('Login failed, please check your username and password')
exit(1)
html = BeautifulSoup(s.get(constant.FAV_URL).content, 'html.parser')
count = html.find('span', attrs={'class': 'count'})
if not count:
logger.error("Can't get your number of favorited doujins. Did the login failed?")
count = int(count.text.strip('(').strip(')').replace(',', ''))
if count == 0:
logger.warning('No favorites found')
return []
pages = int(count / 25)
if pages:
pages += 1 if count % (25 * pages) else 0
else:
pages = 1
logger.info('You have %d favorites in %d pages.' % (count, pages))
if os.getenv('DEBUG'):
pages = 1
ret = []
doujinshi_id = re.compile('data-id="([\d]+)"')
def _callback(request, result):
ret.append(result)
thread_pool = threadpool.ThreadPool(5)
for page in range(1, pages + 1):
try:
logger.info('Getting doujinshi ids of page %d' % page)
resp = s.get(constant.FAV_URL + '?page=%d' % page).text
ids = doujinshi_id.findall(resp)
requests_ = threadpool.makeRequests(doujinshi_parser, ids, _callback)
[thread_pool.putRequest(req) for req in requests_]
thread_pool.wait()
except Exception as e:
logger.error('Error: %s, continue', str(e))
return ret
def doujinshi_parser(id_):
if not isinstance(id_, (int,)) and (isinstance(id_, (str,)) and not id_.isdigit()):
raise Exception('Doujinshi id({0}) is not valid'.format(id_))
id_ = int(id_)
logger.log(15, 'Fetching doujinshi information of id {0}'.format(id_))
doujinshi = dict()
doujinshi['id'] = id_
url = '{0}/{1}/'.format(constant.DETAIL_URL, id_)
try:
response = request('get', url).content
except Exception as e:
logger.critical(str(e))
raise SystemExit
html = BeautifulSoup(response, 'html.parser')
doujinshi_info = html.find('div', attrs={'id': 'info'})
title = doujinshi_info.find('h1').text
subtitle = doujinshi_info.find('h2')
doujinshi['name'] = title
doujinshi['subtitle'] = subtitle.text if subtitle else ''
doujinshi_cover = html.find('div', attrs={'id': 'cover'})
img_id = re.search('/galleries/([\d]+)/cover\.(jpg|png)$', doujinshi_cover.a.img.attrs['data-src'])
if not img_id:
logger.critical('Tried yo get image id failed')
exit(1)
doujinshi['img_id'] = img_id.group(1)
doujinshi['ext'] = img_id.group(2)
pages = 0
for _ in doujinshi_info.find_all('div', class_=''):
pages = re.search('([\d]+) pages', _.text)
if pages:
pages = pages.group(1)
break
doujinshi['pages'] = int(pages)
# gain information of the doujinshi
information_fields = doujinshi_info.find_all('div', attrs={'class': 'field-name'})
needed_fields = ['Characters', 'Artists', 'Language', 'Tags']
for field in information_fields:
field_name = field.contents[0].strip().strip(':')
if field_name in needed_fields:
data = [sub_field.contents[0].strip() for sub_field in
field.find_all('a', attrs={'class': 'tag'})]
doujinshi[field_name.lower()] = ', '.join(data)
return doujinshi
def search_parser(keyword, page):
logger.debug('Searching doujinshis of keyword {0}'.format(keyword))
result = []
try:
response = request('get', url=constant.SEARCH_URL, params={'q': keyword, 'page': page}).content
except requests.ConnectionError as e:
logger.critical(e)
logger.warn('If you are in China, please configure the proxy to fu*k GFW.')
raise SystemExit
html = BeautifulSoup(response, 'html.parser')
doujinshi_search_result = html.find_all('div', attrs={'class': 'gallery'})
for doujinshi in doujinshi_search_result:
doujinshi_container = doujinshi.find('div', attrs={'class': 'caption'})
title = doujinshi_container.text.strip()
title = title if len(title) < 85 else title[:82] + '...'
id_ = re.search('/g/(\d+)/', doujinshi.a['href']).group(1)
result.append({'id': id_, 'title': title})
if not result:
logger.warn('Not found anything of keyword {}'.format(keyword))
return result
def __api_suspended_doujinshi_parser(id_):
if not isinstance(id_, (int,)) and (isinstance(id_, (str,)) and not id_.isdigit()):
raise Exception('Doujinshi id({0}) is not valid'.format(id_))
id_ = int(id_)
logger.log(15, 'Fetching information of doujinshi id {0}'.format(id_))
doujinshi = dict()
doujinshi['id'] = id_
url = '{0}/{1}'.format(constant.DETAIL_URL, id_)
i = 0
while 5 > i:
try:
response = request('get', url).json()
except Exception as e:
i += 1
if not i < 5:
logger.critical(str(e))
exit(1)
continue
break
doujinshi['name'] = response['title']['english']
doujinshi['subtitle'] = response['title']['japanese']
doujinshi['img_id'] = response['media_id']
doujinshi['ext'] = ''.join(map(lambda s: s['t'], response['images']['pages']))
doujinshi['pages'] = len(response['images']['pages'])
# gain information of the doujinshi
needed_fields = ['character', 'artist', 'language', 'tag']
for tag in response['tags']:
tag_type = tag['type']
if tag_type in needed_fields:
if tag_type == 'tag':
if tag_type not in doujinshi:
doujinshi[tag_type] = {}
tag['name'] = tag['name'].replace(' ', '-')
tag['name'] = tag['name'].lower()
doujinshi[tag_type][tag['name']] = tag['id']
elif tag_type not in doujinshi:
doujinshi[tag_type] = tag['name']
else:
doujinshi[tag_type] += ', ' + tag['name']
return doujinshi
def __api_suspended_search_parser(keyword, page):
logger.debug('Searching doujinshis using keywords {0}'.format(keyword))
result = []
i = 0
while i < 5:
try:
response = request('get', url=constant.SEARCH_URL, params={'query': keyword, 'page': page}).json()
except Exception as e:
i += 1
if not i < 5:
logger.critical(str(e))
logger.warn('If you are in China, please configure the proxy to fu*k GFW.')
exit(1)
continue
break
if 'result' not in response:
raise Exception('No result in response')
for row in response['result']:
title = row['title']['english']
title = title[:85] + '..' if len(title) > 85 else title
result.append({'id': row['id'], 'title': title})
if not result:
logger.warn('No results for keywords {}'.format(keyword))
return result
def print_doujinshi(doujinshi_list):
if not doujinshi_list:
return
doujinshi_list = [(i['id'], i['title']) for i in doujinshi_list]
headers = ['id', 'doujinshi']
logger.info('Search Result\n' +
tabulate(tabular_data=doujinshi_list, headers=headers, tablefmt='rst'))
def __api_suspended_tag_parser(tag_id, max_page=1):
logger.info('Searching for doujinshi with tag id {0}'.format(tag_id))
result = []
response = request('get', url=constant.TAG_API_URL, params={'sort': 'popular', 'tag_id': tag_id}).json()
page = max_page if max_page <= response['num_pages'] else int(response['num_pages'])
for i in range(1, page + 1):
logger.info('Getting page {} ...'.format(i))
if page != 1:
response = request('get', url=constant.TAG_API_URL,
params={'sort': 'popular', 'tag_id': tag_id}).json()
for row in response['result']:
title = row['title']['english']
title = title[:85] + '..' if len(title) > 85 else title
result.append({'id': row['id'], 'title': title})
if not result:
logger.warn('No results for tag id {}'.format(tag_id))
return result
def tag_parser(tag_name, max_page=1):
result = []
tag_name = tag_name.lower()
tag_name = tag_name.replace(' ', '-')
logger.info('Searching for doujinshi with tag \'{0}\''.format(tag_name))
response = request('get', url='%s/%s' % (constant.TAG_URL, tag_name)).content
html = BeautifulSoup(response, 'html.parser')
doujinshi_items = html.find_all('div', attrs={'class': 'gallery'})
if not doujinshi_items:
logger.error('Cannot find doujinshi id of tag \'{0}\''.format(tag_name))
return
for i in doujinshi_items[:2]:
doujinshi_id = i.a.attrs['href'].strip('/g')
doujinshi_title = i.a.text.strip()
doujinshi_title = doujinshi_title if len(doujinshi_title) < 85 else doujinshi_title[:82] + '...'
result.append({'title': doujinshi_title, 'id': doujinshi_id})
if not result:
logger.warn('No results for tag \'{}\''.format(tag_name))
return result
if __name__ == '__main__':
print(doujinshi_parser("32271"))