Merge branch 'iss2'
This commit is contained in:
commit
b3d727a9d0
1 changed files with 84 additions and 14 deletions
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@ -58,6 +58,10 @@ class Engine:
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self.state['userKeywordsWeights'] = {
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'themeTags': {'locked': False, 'value': 0.3},
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'characterTags': {'locked': False, 'value': 0.7}
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<<<<<<< HEAD
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=======
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>>>>>>> iss2
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}
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self.update_keywords()
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@ -89,7 +93,10 @@ class Engine:
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clips[inpoint['index']]['out'] = self.pandora.get(video_id, ['duration'])['duration']
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return clips
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def get_videos(self, user):
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# Update self_playlists first to reflect changes
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update_user_playlists(self.playlists, user)
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if user.get('events', [{}])[0].get("event")=="login":
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return {
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@ -106,22 +113,14 @@ class Engine:
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# check if there were grid events for all indexes.
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grid_events = {}
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(nc, np, ns) = (grid_change.get("nextClip"), grid_change.get("nextPlaylist"), grid_change.get("staySame"))
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# this assumes np + nc + ns = total number of videos in the grid view (16).
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# Make sure sanity check exists in front-end (error if it does not add up to 16).
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video_num = nc + np + ns
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# for event in user.get('events', []):
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# if event.get('event') == "grid" and event.get('data').get('index') not in grid_events:
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# grid_events[event.get('data').get('index')] = event.get('data')
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# if len(grid_events) == video_num:
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# break
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# # The version where the loop also extract play_index (requires "index" in play event data):
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# # The version where the loop also extract play_index; requires "index" in play event data (previously unavailable):
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play_index = None
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for event in user.get('events', []):
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if event.get('event') == "grid" and event.get('data').get('index') not in grid_events:
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grid_events[event.get('data').get('index')] = event.get('data')
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if event.get('event') == "play" and not play_index:
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if event.get('event') == "play" and event["data"].get("type") == "video" and not play_index:
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play_index = event.get('data').get('index')
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if len(grid_events) == video_num and play_index:
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break
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@ -129,7 +128,11 @@ class Engine:
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prev_grid_list = sorted([v for v in grid_events.values()], key=lambda k:k['index'])
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# if there were no grid events for all, initialize all grids.
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<<<<<<< HEAD
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if len(prev_grid_list) < video_num:
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=======
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if len(prev_grid_list) < video_num:
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>>>>>>> iss2
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return {
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'user': {
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'keywords': user.get('keywords', {})
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@ -160,7 +163,6 @@ class Engine:
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next_playlist_index.append(next_clip_index)
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break
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else:
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# if "playlist" and "playlistPostion" (if not, default to 0) exists in grid event
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for playlist in self.playlists:
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if playlist.get('name')== prev_grid_list[i].get('playlist'):
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if len(playlist["clips"]) == 1:
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@ -199,7 +201,10 @@ class Engine:
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},
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'videos': videos_
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}
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<<<<<<< HEAD
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=======
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>>>>>>> iss2
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def get_recommendations(self, user, vids_exclude = []):
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@ -226,7 +231,11 @@ class Engine:
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character_tags["FEDOR MIKHAILOVICH SOFRONOV"] = character_tags.get("FYODOR MIKHAILOVICH SOFRONOV",0)
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character_tags["SHKABARNYA OLGA SERGEEVNA"] = character_tags.get("OLGA SERGEEVNA SHKABARNYA",0)
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character_tags["VICTORIA OLEGOVNA SKITSKAYA"] = character_tags.get("VIKTORIA OLEGOVNA SKITSKAYA",0)
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<<<<<<< HEAD
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=======
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>>>>>>> iss2
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score = {}
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for playlist in playlists:
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score[playlist['name']] = random.random() * 0.001
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@ -264,7 +273,68 @@ class Engine:
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} for video in videos]
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def update_user_playlists(playlists, user, watch_cutoff = 0.9):
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# Output: playlists with updated in/out time of clips that have been watched.
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# Watched is defined as a video being played in full screen.
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# "watch_cutoff" parameter: the portion of the clip duration to be determined as watched the whole clip. should be [0,1]
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# + check (play, pause) pairs and eliminate unusual cases most likely due to a bug.
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# + If (play, pause) pairs exceed XX(80-90?) percent of the clip length, eliminate the clip from the playlist.
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# + Otherwise, find the last pause position of a clip and record it as "in" position of the clip.
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# + If the clips are all eliminated from a playlist, eliminate the playlist.
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play = {}
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watched = []
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clip_max_dur = 10800 # = 3 hours; arbitrary max duration allowed for (pause time - play time) to detect outlier/bugs
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# The current max time of a clip duration is 10379.383333377269 from "DDLaunch: Erik Verlinde, Gravity as an emergent force (1956)"
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# A user could potentially spend more than 3 hours if they keep watching after the clip enters into the subsequent "scene"
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for event in user.get('events', [])[::-1]:
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if event["event"] == "play" and event["data"].get("type") == "video":
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play = event
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elif event["event"] == "pause" and play!={} and event["data"].get("type") == "video":
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if "position" not in play["data"]:
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play = {}
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break
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if play["data"].get("playlist") == event["data"].get("playlist"):
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if event["data"]["position"] - play["data"]["position"] > 0 and event["data"]["position"] - play["data"]["position"] < clip_max_dur and event["data"].get("playlistPosition") == play["data"].get("playlistPosition") and event["data"].get("playlistPosition") is not None:
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i = event["data"]["playlistPosition"]
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for playlist in playlists:
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if playlist["name"] == event["data"]["playlist"] and i < len(playlist["clips"]):
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if play["data"]["position"] >= max(playlist["clips"][i]["in"] - 15, 0) and event["data"]["position"] <= playlist["clips"][i]["out"] + 15:
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# This assumes the (play, pause) fits inside the clip's (in, out) segment with +/- 15secs buffer. There were newer edits of clip positions with 12 seconds difference.
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# instances where this might not be the case: clip in/out may be largely edited (before after edit inconsistency); skip may trigger jump to a wrong clip (bug)
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if "orig_in" not in playlist["clips"][i]:
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cutoff_pos = (playlist["clips"][i]["out"]-playlist["clips"][i]["in"])*watch_cutoff + playlist["clips"][i]["in"]
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else:
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cutoff_pos = (playlist["clips"][i]["out"]-playlist["clips"][i]["orig_in"])*watch_cutoff + playlist["clips"][i]["orig_in"]
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if event["data"]["position"] >= cutoff_pos:
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watched.append((playlist["name"],i))
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else:
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if "orig_in" not in playlist["clips"][i]:
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# record the original "in" position to calculate cutoff position in the future
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playlist["clips"][i]["orig_in"] = playlist["clips"][i]["in"]
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# update "in" position of the clip in the playlist
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playlist["clips"][i]["in"] = event["data"]["position"]
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break
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play = {}
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d_watched = defaultdict(set)
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for k, v in watched:
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d_watched[k].add(v)
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for k, v in d_watched.items():
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for playlist in playlists:
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if playlist["name"] == k:
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if len(v) == len(playlist["clips"]):
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playlists.remove(playlist)
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else:
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playlist["clips"] = [playlist["clips"][i] for i in range(len(playlist["clips"])) if i not in v]
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break
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return(playlists)
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def get_next(self, user, position):
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# Update self_playlists first to reflect changes
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update_user_playlists(self.playlists, user)
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grid_events = {}
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video_num = 16
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