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changed debug output for dd-re; added stay_same_index etc

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pythagoraswitch 2018-12-01 11:00:46 +01:00
parent 6899cc5d37
commit d96edf480f
1 changed files with 27 additions and 17 deletions
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44
recommendation_engine.py
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@ -102,12 +102,14 @@ class Engine:
# Update self_playlists to reflect user log history
playlists = self.update_user_playlists(user)
# Get the user keyword scores for debug view
user_keywords = copy.deepcopy(user.get('keywords', {}))
theme_tags = {k.lower():v for k,v in user_keywords.items() if not k.isupper()}
character_tags = {k:v for k,v in user_keywords.items() if k.isupper()}
top_user_keywords = sorted([(k,v) for (k,v) in theme_tags.items()], key=lambda kv: kv[1])[-5:]
top_user_characters = sorted([(k,v) for (k,v) in character_tags.items()], key=lambda kv: kv[1])[-5:]
top_user_keywords = sorted([(k,v) for (k,v) in theme_tags.items()], key=lambda kv: kv[1])[-10:]
top_user_characters = sorted([(k,v) for (k,v) in character_tags.items()], key=lambda kv: kv[1])[-10:]
debug_index_output = defaultdict(list)
# If the most recent event is "login," initialize grid videos.
if user.get('events', [{}])[0].get("event")=="login":
@ -201,7 +203,6 @@ class Engine:
else:
playlist_pos = next_unwatched_indx[0]
rec_list.append((i, {
'clips': playlist['clips'],
'position': playlist_pos,
@ -209,6 +210,8 @@ class Engine:
'tags': playlist['tags']
}))
debug_index_output["next_clip"].append((i,playlist['name']))
#staySame pool
for i in stay_same_index:
@ -217,6 +220,7 @@ class Engine:
next_playlist_index.append(i)
else:
rec_list.append((i,{}))
debug_index_output["stay_same"].append(i)
# nextPlaylist pool: randomly select playlists (excluding the playlists from the current grid).
vids_exclude = [e.get("playlist") for e in prev_grid_list]
@ -224,6 +228,7 @@ class Engine:
vids_exclude.remove(None)
rec = self.get_recommendations(playlists, user, vids_exclude)
rec_list += [(i, rec['videos'][i]) for i in next_playlist_index]
debug_index_output["new_playlist"] = [(i, rec['videos'][i]["name"]) for i in next_playlist_index]
rec_list = sorted(rec_list, key=lambda k:k[0])
@ -234,10 +239,13 @@ class Engine:
},
'videos': videos_,
"_debug": {
"top_user_keywords": top_user_keywords,
"top_user_characters": top_user_characters,
"top_user_playlists": rec["top_user_playlists"],
"top_global_playlists": rec["top_global_playlists"]
"top_user_keywords": top_user_keywords, # list of (keyword, score)
"top_user_characters": top_user_characters, # list of (keyword, score)
"top_user_playlists": rec["top_user_playlists"], # list of (playlist name, score)
"top_global_playlists": rec["top_global_playlists"], # list of (playlist name, score)
"stay_same_index": debug_index_output["stay_same"], # list of integers
"next_clip_index": debug_index_output["next_clip"], # list of (integer, playlist name)
"new_playlist_index": debug_index_output["new_playlist"] # list of (integer, playlist name)
}
}
@ -287,11 +295,12 @@ class Engine:
key=lambda playlist: -score[playlist['name']]
)
# Record the following for debug view input
top_user_playlists = [{
'name': playlist['name'],
'tags': playlist['tags'],
'score': score[playlist['name']],
} for playlist in playlists[:channels['userKeywords']]]
top_user_playlists = [(playlist['name'], score[playlist['name']]) for playlist in playlists[:channels['userKeywords']]]
# top_user_playlists = [{
# 'name': playlist['name'],
# 'tags': playlist['tags'],
# 'score': score[playlist['name']],
# } for playlist in playlists[:channels['userKeywords']]]
videos = playlists[:channels['userKeywords']]
playlists = playlists[channels['userKeywords']:]
@ -307,11 +316,12 @@ class Engine:
key=lambda playlist: -score[playlist['name']]
)
# Record the following for debug view input
top_global_playlists = [{
'name': playlist['name'],
'tags': playlist['tags'],
'score': score[playlist['name']],
} for playlist in playlists[:channels['globalKeywords']]]
top_global_playlists = [(playlist['name'], score[playlist['name']]) for playlist in playlists[:channels['globalKeywords']]]
# top_global_playlists = [{
# 'name': playlist['name'],
# 'tags': playlist['tags'],
# 'score': score[playlist['name']],
# } for playlist in playlists[:channels['globalKeywords']]]
videos += playlists[:16 - channels['userKeywords']]
# Shuffle playlists (randomize layout) and shift clips (randomize start)