[youtube] Fix extraction.
[youtube-dl] / youtube_dl / extractor / instagram.py
index ac9d92a8d1097f5d12bfd57c0edf5d5f88e19d82..b061850a187567e0d7ed18b5e64ce10e08927244 100644 (file)
@@ -1,20 +1,28 @@
 from __future__ import unicode_literals
 
+import itertools
+import hashlib
 import json
 import re
 
 from .common import InfoExtractor
-from ..compat import compat_str
+from ..compat import (
+    compat_str,
+    compat_HTTPError,
+)
 from ..utils import (
+    ExtractorError,
     get_element_by_attribute,
     int_or_none,
     lowercase_escape,
+    std_headers,
     try_get,
+    url_or_none,
 )
 
 
 class InstagramIE(InfoExtractor):
-    _VALID_URL = r'(?P<url>https?://(?:www\.)?instagram\.com/p/(?P<id>[^/?#&]+))'
+    _VALID_URL = r'(?P<url>https?://(?:www\.)?instagram\.com/(?:p|tv)/(?P<id>[^/?#&]+))'
     _TESTS = [{
         'url': 'https://instagram.com/p/aye83DjauH/?foo=bar#abc',
         'md5': '0d2da106a9d2631273e192b372806516',
@@ -84,6 +92,9 @@ class InstagramIE(InfoExtractor):
     }, {
         'url': 'http://instagram.com/p/9o6LshA7zy/embed/',
         'only_matching': True,
+    }, {
+        'url': 'https://www.instagram.com/tv/aye83DjauH/',
+        'only_matching': True,
     }]
 
     @staticmethod
@@ -163,7 +174,7 @@ class InstagramIE(InfoExtractor):
                             node = try_get(edge, lambda x: x['node'], dict)
                             if not node:
                                 continue
-                            node_video_url = try_get(node, lambda x: x['video_url'], compat_str)
+                            node_video_url = url_or_none(node.get('video_url'))
                             if not node_video_url:
                                 continue
                             entries.append({
@@ -219,7 +230,136 @@ class InstagramIE(InfoExtractor):
         }
 
 
-class InstagramUserIE(InfoExtractor):
+class InstagramPlaylistIE(InfoExtractor):
+    # A superclass for handling any kind of query based on GraphQL which
+    # results in a playlist.
+
+    _gis_tmpl = None  # used to cache GIS request type
+
+    def _parse_graphql(self, webpage, item_id):
+        # Reads a webpage and returns its GraphQL data.
+        return self._parse_json(
+            self._search_regex(
+                r'sharedData\s*=\s*({.+?})\s*;\s*[<\n]', webpage, 'data'),
+            item_id)
+
+    def _extract_graphql(self, data, url):
+        # Parses GraphQL queries containing videos and generates a playlist.
+        def get_count(suffix):
+            return int_or_none(try_get(
+                node, lambda x: x['edge_media_' + suffix]['count']))
+
+        uploader_id = self._match_id(url)
+        csrf_token = data['config']['csrf_token']
+        rhx_gis = data.get('rhx_gis') or '3c7ca9dcefcf966d11dacf1f151335e8'
+
+        cursor = ''
+        for page_num in itertools.count(1):
+            variables = {
+                'first': 12,
+                'after': cursor,
+            }
+            variables.update(self._query_vars_for(data))
+            variables = json.dumps(variables)
+
+            if self._gis_tmpl:
+                gis_tmpls = [self._gis_tmpl]
+            else:
+                gis_tmpls = [
+                    '%s' % rhx_gis,
+                    '',
+                    '%s:%s' % (rhx_gis, csrf_token),
+                    '%s:%s:%s' % (rhx_gis, csrf_token, std_headers['User-Agent']),
+                ]
+
+            # try all of the ways to generate a GIS query, and not only use the
+            # first one that works, but cache it for future requests
+            for gis_tmpl in gis_tmpls:
+                try:
+                    json_data = self._download_json(
+                        'https://www.instagram.com/graphql/query/', uploader_id,
+                        'Downloading JSON page %d' % page_num, headers={
+                            'X-Requested-With': 'XMLHttpRequest',
+                            'X-Instagram-GIS': hashlib.md5(
+                                ('%s:%s' % (gis_tmpl, variables)).encode('utf-8')).hexdigest(),
+                        }, query={
+                            'query_hash': self._QUERY_HASH,
+                            'variables': variables,
+                        })
+                    media = self._parse_timeline_from(json_data)
+                    self._gis_tmpl = gis_tmpl
+                    break
+                except ExtractorError as e:
+                    # if it's an error caused by a bad query, and there are
+                    # more GIS templates to try, ignore it and keep trying
+                    if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
+                        if gis_tmpl != gis_tmpls[-1]:
+                            continue
+                    raise
+
+            edges = media.get('edges')
+            if not edges or not isinstance(edges, list):
+                break
+
+            for edge in edges:
+                node = edge.get('node')
+                if not node or not isinstance(node, dict):
+                    continue
+                if node.get('__typename') != 'GraphVideo' and node.get('is_video') is not True:
+                    continue
+                video_id = node.get('shortcode')
+                if not video_id:
+                    continue
+
+                info = self.url_result(
+                    'https://instagram.com/p/%s/' % video_id,
+                    ie=InstagramIE.ie_key(), video_id=video_id)
+
+                description = try_get(
+                    node, lambda x: x['edge_media_to_caption']['edges'][0]['node']['text'],
+                    compat_str)
+                thumbnail = node.get('thumbnail_src') or node.get('display_src')
+                timestamp = int_or_none(node.get('taken_at_timestamp'))
+
+                comment_count = get_count('to_comment')
+                like_count = get_count('preview_like')
+                view_count = int_or_none(node.get('video_view_count'))
+
+                info.update({
+                    'description': description,
+                    'thumbnail': thumbnail,
+                    'timestamp': timestamp,
+                    'comment_count': comment_count,
+                    'like_count': like_count,
+                    'view_count': view_count,
+                })
+
+                yield info
+
+            page_info = media.get('page_info')
+            if not page_info or not isinstance(page_info, dict):
+                break
+
+            has_next_page = page_info.get('has_next_page')
+            if not has_next_page:
+                break
+
+            cursor = page_info.get('end_cursor')
+            if not cursor or not isinstance(cursor, compat_str):
+                break
+
+    def _real_extract(self, url):
+        user_or_tag = self._match_id(url)
+        webpage = self._download_webpage(url, user_or_tag)
+        data = self._parse_graphql(webpage, user_or_tag)
+
+        self._set_cookie('instagram.com', 'ig_pr', '1')
+
+        return self.playlist_result(
+            self._extract_graphql(data, url), user_or_tag, user_or_tag)
+
+
+class InstagramUserIE(InstagramPlaylistIE):
     _VALID_URL = r'https?://(?:www\.)?instagram\.com/(?P<id>[^/]{2,})/?(?:$|[?#])'
     IE_DESC = 'Instagram user profile'
     IE_NAME = 'instagram:user'
@@ -237,59 +377,52 @@ class InstagramUserIE(InfoExtractor):
         }
     }
 
-    def _entries(self, uploader_id):
-        def get_count(suffix):
-            return int_or_none(try_get(
-                node, lambda x: x['edge_media_' + suffix]['count']))
+    _QUERY_HASH = '42323d64886122307be10013ad2dcc44',
 
-        edges = self._download_json(
-            'https://www.instagram.com/graphql/query/', uploader_id, query={
-                'query_hash': '472f257a40c653c64c666ce877d59d2b',
-                'variables': json.dumps({
-                    'id': uploader_id,
-                    'first': 999999999,
-                })
-            })['data']['user']['edge_owner_to_timeline_media']['edges']
-
-        for edge in edges:
-            node = edge['node']
-
-            if node.get('__typename') != 'GraphVideo' and node.get('is_video') is not True:
-                continue
-            video_id = node.get('shortcode')
-            if not video_id:
-                continue
-
-            info = self.url_result(
-                'https://instagram.com/p/%s/' % video_id,
-                ie=InstagramIE.ie_key(), video_id=video_id)
-
-            description = try_get(
-                node, lambda x: x['edge_media_to_caption']['edges'][0]['node']['text'],
-                compat_str)
-            thumbnail = node.get('thumbnail_src') or node.get('display_src')
-            timestamp = int_or_none(node.get('taken_at_timestamp'))
-
-            comment_count = get_count('to_comment')
-            like_count = get_count('preview_like')
-            view_count = int_or_none(node.get('video_view_count'))
-
-            info.update({
-                'description': description,
-                'thumbnail': thumbnail,
-                'timestamp': timestamp,
-                'comment_count': comment_count,
-                'like_count': like_count,
-                'view_count': view_count,
-            })
-
-            yield info
+    @staticmethod
+    def _parse_timeline_from(data):
+        # extracts the media timeline data from a GraphQL result
+        return data['data']['user']['edge_owner_to_timeline_media']
 
-    def _real_extract(self, url):
-        username = self._match_id(url)
-        uploader_id = self._download_json(
-            'https://instagram.com/%s/' % username, username, query={
-                '__a': 1,
-            })['graphql']['user']['id']
-        return self.playlist_result(
-            self._entries(uploader_id), username, username)
+    @staticmethod
+    def _query_vars_for(data):
+        # returns a dictionary of variables to add to the timeline query based
+        # on the GraphQL of the original page
+        return {
+            'id': data['entry_data']['ProfilePage'][0]['graphql']['user']['id']
+        }
+
+
+class InstagramTagIE(InstagramPlaylistIE):
+    _VALID_URL = r'https?://(?:www\.)?instagram\.com/explore/tags/(?P<id>[^/]+)'
+    IE_DESC = 'Instagram hashtag search'
+    IE_NAME = 'instagram:tag'
+    _TEST = {
+        'url': 'https://instagram.com/explore/tags/lolcats',
+        'info_dict': {
+            'id': 'lolcats',
+            'title': 'lolcats',
+        },
+        'playlist_count': 50,
+        'params': {
+            'extract_flat': True,
+            'skip_download': True,
+            'playlistend': 50,
+        }
+    }
+
+    _QUERY_HASH = 'f92f56d47dc7a55b606908374b43a314',
+
+    @staticmethod
+    def _parse_timeline_from(data):
+        # extracts the media timeline data from a GraphQL result
+        return data['data']['hashtag']['edge_hashtag_to_media']
+
+    @staticmethod
+    def _query_vars_for(data):
+        # returns a dictionary of variables to add to the timeline query based
+        # on the GraphQL of the original page
+        return {
+            'tag_name':
+                data['entry_data']['TagPage'][0]['graphql']['hashtag']['name']
+        }