[twitter] fix image extraction

gallery_dl/extractor/twitter.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright 2016 Mike Fährmann
+# Copyright 2016-2017 Mike Fährmann
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 as
@@ -35,7 +35,7 @@ class TwitterTweetExtractor(Extractor):
             "Mozilla/5.0 (X11; Linux x86_64; rv:48.0) "
             "Gecko/20100101 Firefox/48.0"
         )
-        page = self.request("https://mobile.twitter.com/" + self.path).text
+        page = self.request("https://twitter.com/" + self.path).text
         data = self.get_job_metadata()
         imgs = self.get_image_urls(page)
         data["count"] = len(imgs)
@@ -54,4 +54,5 @@ class TwitterTweetExtractor(Extractor):
     @staticmethod
     def get_image_urls(page):
         """Extract and return a list of all image-urls"""
-        return list(text.extract_iter(page, 'alt="Embedded image" src="', '"'))
+        needle = '<img data-aria-label-part src="'
+        return list(text.extract_iter(page, needle, '"'))

gallery_dl/extractor/whentai.py

@@ -81,7 +81,7 @@ class WhentaiImageExtractor(Extractor):
     test = [("http://whentai.com/view/2089/", {
         "url": "116761cdd3a4d78f9ebe22c18efae1465b2e4d1b",
         "keyword": "686bb5af1694efb326d597d4c98ee12d88078455",
-        "content": "b4545aaeb3bc7d94c8941bdfdcb768261f2579b3",
+        "content": "31909f3d52d14ba6bf79bf303eb31d6807588f25",
     })]
 
     def __init__(self, match):