From b9d1987d23b937629cd4bba9b97ad8f018d57798 Mon Sep 17 00:00:00 2001
From: perror <15058342792@163.com>
Date: Tue, 5 Dec 2017 19:34:05 +0800
Subject: [PATCH] New site support: https://www.ixigua.com/

---
 src/you_get/extractors/ixigua.py | 102 +++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/you_get/extractors/ixigua.py

diff --git a/src/you_get/extractors/ixigua.py b/src/you_get/extractors/ixigua.py
new file mode 100644
index 00000000..b37c5e6d
--- /dev/null
+++ b/src/you_get/extractors/ixigua.py
@@ -0,0 +1,102 @@
+#!/usr/bin/env python
+__all__ = ['ixigua_download', '']
+import base64
+import random
+import binascii
+from ..common import *
+
+
+# radio_id: e.g. 549759 from http://www.lizhi.fm/549759/
+#
+# Returns a list of tuples (audio_id, title, url) for each episode
+# (audio) in the radio playlist. url is the direct link to the audio
+# file.
+def get_video_id(text):
+    re_id = r"videoId: '(.*?)'"
+    return re.findall(re_id, text)[0]
+
+
+def get_r():
+    return str(random.random())[2:]
+
+
+def right_shift(val, n):
+    return val >> n if val >= 0 else (val + 0x100000000) >> n
+
+
+def get_s(text):
+    """get video info
+    """
+    id = get_video_id(text)
+    p = get_r()
+    url = 'http://i.snssdk.com/video/urls/v/1/toutiao/mp4/%s' % id
+    n = parse.urlparse(url).path + '?r=%s' % p
+    c = binascii.crc32(n.encode('utf-8'))
+    s = right_shift(c, 0)
+    title = ''.join(re.findall(r"title: '(.*?)',", text))
+    return url + '?r=%s&s=%s' % (p, s), title
+
+
+def get_moment(url, user_id, base_url, video_list):
+    """Recursively obtaining a video list
+    """
+    video_list_data = json.loads(get_content(url))
+    if not video_list_data['next']['max_behot_time']:
+        return video_list
+    [video_list.append(i["display_url"]) for i in video_list_data["data"]]
+    max_behot_time = video_list_data['next']['max_behot_time']
+    _param = {
+        'user_id': user_id,
+        'base_url': base_url,
+        'video_list': video_list,
+        'url': base_url.format(user_id=user_id, max_behot_time=max_behot_time),
+    }
+    return get_moment(**_param)
+
+
+def ixigua_download(url, output_dir='.', info_only=False, **kwargs):
+    """ Download a single video
+        Sample URL: https://www.ixigua.com/a6487187567887254029/#mid=59051127876
+    """
+    try:
+        video_info_url, title = get_s(get_content(url))
+        video_info = json.loads(get_content(video_info_url))
+    except Exception:
+        raise NotImplementedError(url)
+    try:
+        video_url = base64.b64decode(video_info["data"]["video_list"]["video_1"]["main_url"]).decode()
+    except Exception:
+        import traceback
+        traceback.print_exc()
+        raise NotImplementedError(url)
+    filetype, ext, size = url_info(video_url)
+    print_info(site_info, title, filetype, size)
+    if not info_only:
+        download_urls([video_url], title, ext, size, output_dir=output_dir)
+
+
+def ixigua_download_playlist(url, output_dir='.', info_only=False, **kwargs):
+    """Download all video from the user's video list
+        Sample URL: https://www.ixigua.com/c/user/71141690831/
+    """
+    if 'user' not in url:
+        raise NotImplementedError(url)
+    user_id = url.split('/')[-2]
+    max_behot_time = 0
+    if not user_id:
+        raise NotImplementedError(url)
+    base_url = "https://www.ixigua.com/c/user/article/?user_id={user_id}" \
+               "&max_behot_time={max_behot_time}&max_repin_time=0&count=20&page_type=0"
+    _param = {
+        'user_id': user_id,
+        'base_url': base_url,
+        'video_list': [],
+        'url': base_url.format(user_id=user_id, max_behot_time=max_behot_time),
+    }
+    for i in get_moment(**_param):
+        ixigua_download(i, output_dir, info_only, **kwargs)
+
+
+site_info = "ixigua.com"
+download = ixigua_download
+download_playlist = ixigua_download_playlist