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icourses: implement fake keep connection alive

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liushuyu 2016-10-25 14:15:23 -06:00
parent 5351121186
commit 2183448c90
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1 changed files with 17 additions and 11 deletions
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28
src/you_get/extractors/icourses.py
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@ -1,6 +1,8 @@
#!/usr/bin/env python
from ..common import *
from urllib import parse
import random
from time import sleep
import xml.etree.ElementTree as ET
import datetime
import hashlib
@ -12,23 +14,24 @@ import re
__all__ = ['icourses_download']
def icourses_download(url, info_only, merge=False, output_dir='.', **kwargs):
def icourses_download(url, merge=False, output_dir='.', **kwargs):
icourses_parser = ICousesExactor(url=url)
real_url = icourses_parser.icourses_cn_url_parser(**kwargs)
title = icourses_parser.title
if real_url is not None:
for tries in range(0, 3):
for tries in range(0, 5):
try:
_, type_, size = url_info(real_url, faker=True)
break
except error.HTTPError:
logging.warning('Failed to fetch the video file! Retrying...')
sleep(random.Random().randint(0, 5)) # Prevent from blockage
real_url = icourses_parser.icourses_cn_url_parser()
title = icourses_parser.title
print_info(site_info, title, type_, size)
if not info_only:
download_urls([real_url], title, 'flv',
total_size=size, output_dir=output_dir, refer=url, merge=merge, faker=True)
if not kwargs['info_only']:
download_urls_chunked([real_url], title, 'flv',
total_size=size, output_dir=output_dir, refer=url, merge=merge, faker=True, ignore_range=True, chunk_size=15000000, dyn_callback=icourses_parser.icourses_cn_url_parser)
# Why not using VideoExtractor: This site needs specical download method
@ -40,9 +43,7 @@ class ICousesExactor(object):
return
def icourses_playlist_download(self, **kwargs):
import random
from time import sleep
html = get_content(url)
html = get_content(self.url)
page_type_patt = r'showSectionNode\(this,(\d+),(\d+)\)'
video_js_number = r'changeforvideo\((.*?)\)'
fs_flag = r'<input type="hidden" value=(\w+) id="firstShowFlag">'
@ -59,7 +60,7 @@ class ICousesExactor(object):
sleep(random.Random().randint(0, 5)) # Prevent from blockage
icourses_download(video_url, **kwargs)
def icourses_cn_url_parser(self, **kwargs):
def icourses_cn_url_parser(self, received=0, **kwargs):
PLAYER_BASE_VER = '150606-1'
ENCRYPT_MOD_VER = '151020'
ENCRYPT_SALT = '3DAPmXsZ4o' # It took really long time to find this...
@ -93,9 +94,14 @@ class ICousesExactor(object):
logging.debug('The result was {}'.format(xml_obj.get('status')))
if xml_obj.get('status') != 'success':
raise ValueError('Server returned error!')
common_args = {'lv': PLAYER_BASE_VER, 'ls': 'play',
if received:
play_type = 'seek'
else:
play_type = 'play'
received -= 1
common_args = {'lv': PLAYER_BASE_VER, 'ls': play_type,
'lt': datetime.datetime.now().strftime('%m-%d/%H:%M:%S'),
'start': 0}
'start': received + 1}
media_host = xml_obj.find(".//*[@name='host']").text
media_url = media_host + xml_obj.find(".//*[@name='url']").text
# This is what they called `SSLModule`... But obviously, just a kind of