mirror of
https://github.com/krateng/maloja.git
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1103 lines
28 KiB
Python
1103 lines
28 KiB
Python
# server
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from bottle import Bottle, route, get, post, run, template, static_file, request, response, FormsDict
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import waitress
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# rest of the project
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from cleanup import *
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from utilities import *
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from malojatime import *
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from urihandler import uri_to_internal
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# doreah toolkit
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from doreah.logging import log
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from doreah import tsv
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# technical
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import os
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import datetime
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import sys
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import unicodedata
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import json
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from collections import namedtuple
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from threading import Lock
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# url handling
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from importlib.machinery import SourceFileLoader
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import urllib
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dbserver = Bottle()
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dblock = Lock() #global database lock
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SCROBBLES = [] # Format: tuple(track_ref,timestamp,saved)
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ARTISTS = [] # Format: artist
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TRACKS = [] # Format: namedtuple(artists=frozenset(artist_ref,...),title=title)
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Track = namedtuple("Track",["artists","title"])
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Scrobble = namedtuple("Scrobble",["track","timestamp","saved"])
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### OPTIMIZATION
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SCROBBLESDICT = {} # timestamps to scrobble mapping
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STAMPS = [] # sorted
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#STAMPS_SET = set() # as set for easier check if exists # we use the scrobbles dict for that now
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TRACKS_LOWER = []
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ARTISTS_LOWER = []
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ARTIST_SET = set()
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TRACK_SET = set()
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MEDALS = {} #literally only changes once per year, no need to calculate that on the fly
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MEDALS_TRACKS = {}
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cla = CleanerAgent()
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coa = CollectorAgent()
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clients = []
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lastsync = 0
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# rulestate that the entire current database was built with, or False if the database was built from inconsistent scrobble files
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db_rulestate = False
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### symmetric keys are fine for now since we hopefully use HTTPS
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def loadAPIkeys():
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global clients
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tsv.create("clients/authenticated_machines.tsv")
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#createTSV("clients/authenticated_machines.tsv")
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clients = tsv.parse("clients/authenticated_machines.tsv","string","string")
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#clients = parseTSV("clients/authenticated_machines.tsv","string","string")
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log("Authenticated Machines: " + ", ".join([m[1] for m in clients]))
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def checkAPIkey(k):
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return (k in [k for [k,d] in clients])
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####
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## Getting dict representations of database objects
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####
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def get_scrobble_dict(o):
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track = get_track_dict(TRACKS[o.track])
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return {"artists":track["artists"],"title":track["title"],"time":o.timestamp}
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def get_artist_dict(o):
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return o
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#technically not a dict, but... you know
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def get_track_dict(o):
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artists = [get_artist_dict(ARTISTS[a]) for a in o.artists]
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return {"artists":artists,"title":o.title}
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####
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## Creating or finding existing database entries
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####
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def createScrobble(artists,title,time,volatile=False):
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dblock.acquire()
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while (time in SCROBBLESDICT):
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time += 1
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i = getTrackID(artists,title)
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obj = Scrobble(i,time,volatile) # if volatile generated, we simply pretend we have already saved it to disk
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#SCROBBLES.append(obj)
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# immediately insert scrobble correctly so we can guarantee sorted list
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index = insert(SCROBBLES,obj,key=lambda x:x[1])
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SCROBBLESDICT[time] = obj
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STAMPS.insert(index,time) #should be same index as scrobblelist
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register_scrobbletime(time)
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invalidate_caches()
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dblock.release()
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# this will never be called from different threads, so no lock
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def readScrobble(artists,title,time):
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while (time in SCROBBLESDICT):
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time += 1
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i = getTrackID(artists,title)
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obj = Scrobble(i,time,True)
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SCROBBLES.append(obj)
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SCROBBLESDICT[time] = obj
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#STAMPS.append(time)
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def getArtistID(name):
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obj = name
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objlower = name.lower().replace("'","")
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if objlower in ARTIST_SET:
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return ARTISTS_LOWER.index(objlower)
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else:
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i = len(ARTISTS)
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ARTISTS.append(obj)
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ARTIST_SET.add(objlower)
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ARTISTS_LOWER.append(objlower)
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# with a new artist added, we might also get new artists that they are credited as
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cr = coa.getCredited(name)
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getArtistID(cr)
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coa.updateIDs(ARTISTS)
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return i
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def getTrackID(artists,title):
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artistset = set()
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for a in artists:
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artistset.add(getArtistID(name=a))
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obj = Track(artists=frozenset(artistset),title=title)
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objlower = Track(artists=frozenset(artistset),title=title.lower().replace("'",""))
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if objlower in TRACK_SET:
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return TRACKS_LOWER.index(objlower)
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else:
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i = len(TRACKS)
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TRACKS.append(obj)
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TRACK_SET.add(objlower)
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TRACKS_LOWER.append(objlower)
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return i
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########
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########
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## HTTP requests and their associated functions
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########
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########
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@dbserver.route("/test")
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def test_server():
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apikey = request.query.get("key")
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response.set_header("Access-Control-Allow-Origin","*")
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if apikey is not None and not (checkAPIkey(apikey)):
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response.status = 403
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return "Wrong API key"
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elif db_rulestate:
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response.status = 204
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return
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else:
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response.status = 205
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return
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# 204 Database server is up and operational
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# 205 Database server is up, but DB is not fully built or is inconsistent
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# 403 Database server is up, but provided API key is not valid
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## All database functions are separated - the external wrapper only reads the request keys, converts them into lists and renames them where necessary, and puts the end result in a dict if not already so it can be returned as json
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@dbserver.route("/scrobbles")
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def get_scrobbles_external():
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keys = FormsDict.decode(request.query)
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k_filter, k_time, _, k_amount = uri_to_internal(keys)
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ckeys = {**k_filter, **k_time, **k_amount}
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result = get_scrobbles(**ckeys)
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return {"list":result}
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def get_scrobbles(**keys):
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r = db_query(**{k:keys[k] for k in keys if k in ["artist","artists","title","since","to","within","associated","track","max_"]})
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#if keys.get("max_") is not None:
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# return r[:int(keys.get("max_"))]
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#else:
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# return r
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return r
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# UNUSED
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#@dbserver.route("/amounts")
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#def get_amounts_external():
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# return get_amounts() #really now
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#
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#def get_amounts():
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# return {"scrobbles":len(SCROBBLES),"tracks":len(TRACKS),"artists":len(ARTISTS)}
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@dbserver.route("/numscrobbles")
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def get_scrobbles_num_external():
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keys = FormsDict.decode(request.query)
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k_filter, k_time, _, k_amount = uri_to_internal(keys)
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ckeys = {**k_filter, **k_time, **k_amount}
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result = get_scrobbles_num(**ckeys)
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return {"amount":result}
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def get_scrobbles_num(**keys):
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r = db_query(**{k:keys[k] for k in keys if k in ["artist","track","artists","title","since","to","within","associated"]})
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return len(r)
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#for multiple since values (must be ordered)
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# DOESN'T SEEM TO ACTUALLY BE FASTER
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# REEVALUATE
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#def get_scrobbles_num_multiple(sinces=[],to=None,**keys):
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#
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# sinces_stamps = [time_stamps(since,to,None)[0] for since in sinces]
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# #print(sinces)
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# #print(sinces_stamps)
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# minsince = sinces[-1]
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# r = db_query(**{k:keys[k] for k in keys if k in ["artist","track","artists","title","associated","to"]},since=minsince)
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#
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# #print(r)
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#
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# validtracks = [0 for s in sinces]
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#
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# i = 0
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# si = 0
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# while True:
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# if si == len(sinces): break
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# if i == len(r): break
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# if r[i]["time"] >= sinces_stamps[si]:
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# validtracks[si] += 1
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# else:
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# si += 1
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# continue
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# i += 1
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#
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#
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# return validtracks
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# UNUSED
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#@dbserver.route("/charts")
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#def get_charts_external():
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# keys = FormsDict.decode(request.query)
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# ckeys = {}
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# ckeys["since"], ckeys["to"], ckeys["within"] = keys.get("since"), keys.get("to"), keys.get("in")
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#
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# result = get_scrobbles_num(**ckeys)
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# return {"number":result}
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#def get_charts(**keys):
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# return db_aggregate(**{k:keys[k] for k in keys if k in ["since","to","within"]})
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@dbserver.route("/tracks")
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def get_tracks_external():
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keys = FormsDict.decode(request.query)
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k_filter, _, _, _ = uri_to_internal(keys,forceArtist=True)
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ckeys = {**k_filter}
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result = get_tracks(**ckeys)
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return {"list":result}
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def get_tracks(artist=None):
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if artist is not None:
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artistid = ARTISTS.index(artist)
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else:
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artistid = None
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# Option 1
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return [get_track_dict(t) for t in TRACKS if (artistid in t.artists) or (artistid==None)]
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# Option 2 is a bit more elegant but much slower
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#tracklist = [get_track_dict(t) for t in TRACKS]
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#ls = [t for t in tracklist if (artist in t["artists"]) or (artist==None)]
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@dbserver.route("/artists")
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def get_artists_external():
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result = get_artists()
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return {"list":result}
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def get_artists():
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return ARTISTS #well
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@dbserver.route("/charts/artists")
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def get_charts_artists_external():
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keys = FormsDict.decode(request.query)
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_, k_time, _, _ = uri_to_internal(keys)
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ckeys = {**k_time}
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result = get_charts_artists(**ckeys)
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return {"list":result}
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def get_charts_artists(**keys):
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return db_aggregate(by="ARTIST",**{k:keys[k] for k in keys if k in ["since","to","within"]})
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@dbserver.route("/charts/tracks")
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def get_charts_tracks_external():
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keys = FormsDict.decode(request.query)
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k_filter, k_time, _, _ = uri_to_internal(keys,forceArtist=True)
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ckeys = {**k_filter, **k_time}
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result = get_charts_tracks(**ckeys)
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return {"list":result}
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def get_charts_tracks(**keys):
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return db_aggregate(by="TRACK",**{k:keys[k] for k in keys if k in ["since","to","within","artist"]})
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@dbserver.route("/pulse")
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def get_pulse_external():
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keys = FormsDict.decode(request.query)
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k_filter, k_time, k_internal, k_amount = uri_to_internal(keys)
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ckeys = {**k_filter, **k_time, **k_internal, **k_amount}
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results = get_pulse(**ckeys)
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return {"list":results}
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def get_pulse(**keys):
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rngs = ranges(**{k:keys[k] for k in keys if k in ["since","to","within","step","stepn","trail"]})
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results = []
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for (a,b) in rngs:
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res = len(db_query(since=a,to=b,**{k:keys[k] for k in keys if k in ["artists","artist","track","title","associated"]}))
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results.append({"from":a,"to":b,"scrobbles":res})
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return results
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@dbserver.route("/top/artists")
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def get_top_artists_external():
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keys = FormsDict.decode(request.query)
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_, k_time, k_internal, _ = uri_to_internal(keys)
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ckeys = {**k_time, **k_internal}
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results = get_top_artists(**ckeys)
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return {"list":results}
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def get_top_artists(**keys):
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rngs = ranges(**{k:keys[k] for k in keys if k in ["since","to","within","step","stepn","trail"]})
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results = []
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for (a,b) in rngs:
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try:
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res = db_aggregate(since=a,to=b,by="ARTIST")[0]
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results.append({"since":a,"to":b,"artist":res["artist"],"counting":res["counting"],"scrobbles":res["scrobbles"]})
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except:
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results.append({"since":a,"to":b,"artist":None,"scrobbles":0})
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return results
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@dbserver.route("/top/tracks")
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def get_top_tracks_external():
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keys = FormsDict.decode(request.query)
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_, k_time, k_internal, _ = uri_to_internal(keys)
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ckeys = {**k_time, **k_internal}
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# IMPLEMENT THIS FOR TOP TRACKS OF ARTIST AS WELL?
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results = get_top_tracks(**ckeys)
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return {"list":results}
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def get_top_tracks(**keys):
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rngs = ranges(**{k:keys[k] for k in keys if k in ["since","to","within","step","stepn","trail"]})
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results = []
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for (a,b) in rngs:
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try:
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res = db_aggregate(since=a,to=b,by="TRACK")[0]
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results.append({"since":a,"to":b,"track":res["track"],"scrobbles":res["scrobbles"]})
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except:
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results.append({"since":a,"to":b,"track":None,"scrobbles":0})
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return results
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@dbserver.route("/artistinfo")
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def artistInfo_external():
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keys = FormsDict.decode(request.query)
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k_filter, _, _, _ = uri_to_internal(keys,forceArtist=True)
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ckeys = {**k_filter}
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results = artistInfo(**ckeys)
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return results
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def artistInfo(artist):
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charts = db_aggregate(by="ARTIST")
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scrobbles = len(db_query(artists=[artist])) #we cant take the scrobble number from the charts because that includes all countas scrobbles
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try:
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c = [e for e in charts if e["artist"] == artist][0]
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others = [a for a in coa.getAllAssociated(artist) if a in ARTISTS]
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position = c["rank"]
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return {"scrobbles":scrobbles,"position":position,"associated":others,"medals":MEDALS.get(artist)}
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except:
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# if the artist isnt in the charts, they are not being credited and we need to show information about the credited one
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artist = coa.getCredited(artist)
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c = [e for e in charts if e["artist"] == artist][0]
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position = c["rank"]
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return {"replace":artist,"scrobbles":scrobbles,"position":position}
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@dbserver.route("/trackinfo")
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def trackInfo_external():
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keys = FormsDict.decode(request.query)
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k_filter, _, _, _ = uri_to_internal(keys,forceTrack=True)
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ckeys = {**k_filter}
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results = trackInfo(**ckeys)
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return results
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def trackInfo(artists,title):
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charts = db_aggregate(by="TRACK")
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#scrobbles = len(db_query(artists=artists,title=title)) #chart entry of track always has right scrobble number, no countas rules here
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c = [e for e in charts if set(e["track"]["artists"]) == set(artists) and e["track"]["title"] == title][0]
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scrobbles = c["scrobbles"]
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position = c["rank"]
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return {"scrobbles":scrobbles,"position":position,"medals":MEDALS_TRACKS.get((frozenset(artists),title))}
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@dbserver.get("/newscrobble")
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def pseudo_post_scrobble():
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keys = FormsDict.decode(request.query) # The Dal★Shabet handler
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artists = keys.get("artist")
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title = keys.get("title")
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apikey = keys.get("key")
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if not (checkAPIkey(apikey)):
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response.status = 403
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return ""
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try:
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time = int(keys.get("time"))
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except:
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time = int(datetime.datetime.now(tz=datetime.timezone.utc).timestamp())
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(artists,title) = cla.fullclean(artists,title)
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## this is necessary for localhost testing
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response.set_header("Access-Control-Allow-Origin","*")
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createScrobble(artists,title,time)
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if (time - lastsync) > 3600:
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sync()
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return ""
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@dbserver.post("/newscrobble")
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def post_scrobble():
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keys = FormsDict.decode(request.forms) # The Dal★Shabet handler
|
|
artists = keys.get("artist")
|
|
title = keys.get("title")
|
|
apikey = keys.get("key")
|
|
if not (checkAPIkey(apikey)):
|
|
response.status = 403
|
|
return ""
|
|
|
|
try:
|
|
time = int(keys.get("time"))
|
|
except:
|
|
time = int(datetime.datetime.now(tz=datetime.timezone.utc).timestamp())
|
|
(artists,title) = cla.fullclean(artists,title)
|
|
|
|
## this is necessary for localhost testing
|
|
#response.set_header("Access-Control-Allow-Origin","*")
|
|
|
|
createScrobble(artists,title,time)
|
|
|
|
#if (time - lastsync) > 3600:
|
|
# sync()
|
|
sync() #let's just always sync, not like one filesystem access every three minutes is a problem and it avoids lost tracks when we lose power
|
|
|
|
return ""
|
|
|
|
@dbserver.route("/sync")
|
|
def abouttoshutdown():
|
|
sync()
|
|
#sys.exit()
|
|
|
|
@dbserver.post("/newrule")
|
|
def newrule():
|
|
keys = FormsDict.decode(request.forms)
|
|
apikey = keys.pop("key",None)
|
|
if (checkAPIkey(apikey)):
|
|
tsv.add_entry("rules/webmade.tsv",[k for k in keys])
|
|
#addEntry("rules/webmade.tsv",[k for k in keys])
|
|
global db_rulestate
|
|
db_rulestate = False
|
|
|
|
|
|
@dbserver.route("/issues")
|
|
def issues_external(): #probably not even needed
|
|
return issues()
|
|
|
|
|
|
def issues():
|
|
combined = []
|
|
duplicates = []
|
|
newartists = []
|
|
inconsistent = not db_rulestate
|
|
# if the user manually edits files while the server is running this won't show, but too lazy to check the rulestate here
|
|
|
|
import itertools
|
|
import difflib
|
|
|
|
sortedartists = ARTISTS.copy()
|
|
sortedartists.sort(key=len,reverse=True)
|
|
reversesortedartists = sortedartists.copy()
|
|
reversesortedartists.reverse()
|
|
for a in reversesortedartists:
|
|
|
|
nochange = cla.confirmedReal(a)
|
|
|
|
st = a
|
|
lis = []
|
|
reachedmyself = False
|
|
for ar in sortedartists:
|
|
if (ar != a) and not reachedmyself:
|
|
continue
|
|
elif not reachedmyself:
|
|
reachedmyself = True
|
|
continue
|
|
|
|
if (ar.lower() == a.lower()) or ("the " + ar.lower() == a.lower()) or ("a " + ar.lower() == a.lower()):
|
|
duplicates.append((ar,a))
|
|
break
|
|
|
|
if (ar + " " in st) or (" " + ar in st):
|
|
lis.append(ar)
|
|
st = st.replace(ar,"").strip()
|
|
elif (ar == st):
|
|
lis.append(ar)
|
|
st = ""
|
|
if not nochange:
|
|
combined.append((a,lis))
|
|
break
|
|
|
|
elif (ar in st) and len(ar)*2 > len(st):
|
|
duplicates.append((a,ar))
|
|
|
|
st = st.replace("&","").replace("and","").replace("with","").strip()
|
|
if st != "" and st != a:
|
|
if len(st) < 5 and len(lis) == 1:
|
|
#check if we havent just randomly found the string in another word
|
|
#if (" " + st + " ") in lis[0] or (lis[0].endswith(" " + st)) or (lis[0].startswith(st + " ")):
|
|
duplicates.append((a,lis[0]))
|
|
elif len(st) < 5 and len(lis) > 1 and not nochange:
|
|
combined.append((a,lis))
|
|
elif len(st) >= 5 and not nochange:
|
|
#check if we havent just randomly found the string in another word
|
|
if (" " + st + " ") in a or (a.endswith(" " + st)) or (a.startswith(st + " ")):
|
|
newartists.append((st,a,lis))
|
|
|
|
#for c in itertools.combinations(ARTISTS,3):
|
|
# l = list(c)
|
|
# print(l)
|
|
# l.sort(key=len,reverse=True)
|
|
# [full,a1,a2] = l
|
|
# if (a1 + " " + a2 in full) or (a2 + " " + a1 in full):
|
|
# combined.append((full,a1,a2))
|
|
|
|
|
|
#for c in itertools.combinations(ARTISTS,2):
|
|
# if
|
|
#
|
|
# if (c[0].lower == c[1].lower):
|
|
# duplicates.append((c[0],c[1]))
|
|
|
|
|
|
# elif (c[0] + " " in c[1]) or (" " + c[0] in c[1]) or (c[1] + " " in c[0]) or (" " + c[1] in c[0]):
|
|
# if (c[0] in c[1]):
|
|
# full, part = c[1],c[0]
|
|
# rest = c[1].replace(c[0],"").strip()
|
|
# else:
|
|
# full, part = c[0],c[1]
|
|
# rest = c[0].replace(c[1],"").strip()
|
|
# if rest in ARTISTS and full not in [c[0] for c in combined]:
|
|
# combined.append((full,part,rest))
|
|
|
|
# elif (c[0] in c[1]) or (c[1] in c[0]):
|
|
# duplicates.append((c[0],c[1]))
|
|
|
|
|
|
return {"duplicates":duplicates,"combined":combined,"newartists":newartists,"inconsistent":inconsistent}
|
|
|
|
|
|
@dbserver.post("/importrules")
|
|
def import_rulemodule():
|
|
keys = FormsDict.decode(request.forms)
|
|
apikey = keys.pop("key",None)
|
|
|
|
if (checkAPIkey(apikey)):
|
|
filename = keys.get("filename")
|
|
remove = keys.get("remove") is not None
|
|
validchars = "-_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
|
|
filename = "".join(c for c in filename if c in validchars)
|
|
|
|
if remove:
|
|
log("Deactivating predefined rulefile " + filename)
|
|
os.remove("rules/" + filename + ".tsv")
|
|
else:
|
|
log("Importing predefined rulefile " + filename)
|
|
os.symlink("predefined/" + filename + ".tsv","rules/" + filename + ".tsv")
|
|
|
|
|
|
|
|
@dbserver.post("/rebuild")
|
|
def rebuild():
|
|
|
|
keys = FormsDict.decode(request.forms)
|
|
apikey = keys.pop("key",None)
|
|
if (checkAPIkey(apikey)):
|
|
log("Database rebuild initiated!")
|
|
global db_rulestate
|
|
db_rulestate = False
|
|
sync()
|
|
os.system("python3 fixexisting.py")
|
|
global cla, coa
|
|
cla = CleanerAgent()
|
|
coa = CollectorAgent()
|
|
build_db()
|
|
invalidate_caches()
|
|
|
|
|
|
|
|
|
|
@dbserver.get("/search")
|
|
def search():
|
|
keys = FormsDict.decode(request.query)
|
|
query = keys.get("query")
|
|
max_ = keys.get("max")
|
|
if max_ is not None: max_ = int(max_)
|
|
query = query.lower()
|
|
|
|
artists = db_search(query,type="ARTIST")
|
|
tracks = db_search(query,type="TRACK")
|
|
# if the string begins with the query it's a better match, if a word in it begins with it, still good
|
|
# also, shorter is better (because longer titles would be easier to further specify)
|
|
artists.sort(key=lambda x: ((0 if x.lower().startswith(query) else 1 if " " + query in x.lower() else 2),len(x)))
|
|
tracks.sort(key=lambda x: ((0 if x["title"].lower().startswith(query) else 1 if " " + query in x["title"].lower() else 2),len(x["title"])))
|
|
return {"artists":artists[:max_],"tracks":tracks[:max_]}
|
|
|
|
####
|
|
## Server operation
|
|
####
|
|
|
|
|
|
|
|
# Starts the server
|
|
def runserver(PORT):
|
|
log("Starting database server...")
|
|
global lastsync
|
|
lastsync = int(datetime.datetime.now(tz=datetime.timezone.utc).timestamp())
|
|
build_db()
|
|
|
|
|
|
loadAPIkeys()
|
|
|
|
run(dbserver, host='::', port=PORT, server='waitress')
|
|
log("Database server reachable!")
|
|
|
|
def build_db():
|
|
|
|
|
|
log("Building database...")
|
|
|
|
global SCROBBLES, ARTISTS, TRACKS
|
|
global SCROBBLESDICT, STAMPS
|
|
|
|
SCROBBLES = []
|
|
ARTISTS = []
|
|
TRACKS = []
|
|
STAMPS = []
|
|
SCROBBLESDICT = {}
|
|
|
|
|
|
# parse files
|
|
db = tsv.parse_all("scrobbles","int","string","string",comments=False)
|
|
#db = parseAllTSV("scrobbles","int","string","string",escape=False)
|
|
for sc in db:
|
|
artists = sc[1].split("␟")
|
|
title = sc[2]
|
|
time = sc[0]
|
|
|
|
readScrobble(artists,title,time)
|
|
|
|
|
|
# optimize database
|
|
SCROBBLES.sort(key = lambda tup: tup[1])
|
|
#SCROBBLESDICT = {obj[1]:obj for obj in SCROBBLES}
|
|
STAMPS = [t for t in SCROBBLESDICT]
|
|
STAMPS.sort()
|
|
|
|
# inform malojatime module about earliest scrobble
|
|
register_scrobbletime(STAMPS[0])
|
|
|
|
# NOT NEEDED BECAUSE WE DO THAT ON ADDING EVERY ARTIST ANYWAY
|
|
# get extra artists with no real scrobbles from countas rules
|
|
#for artist in coa.getAllArtists():
|
|
#for artist in coa.getCreditedList(ARTISTS):
|
|
# if artist not in ARTISTS:
|
|
# log(artist + " is added to database because of countas rules",module="debug")
|
|
# ARTISTS.append(artist)
|
|
# coa.updateIDs(ARTISTS)
|
|
|
|
#start regular tasks
|
|
update_medals()
|
|
|
|
global db_rulestate
|
|
db_rulestate = consistentRulestate("scrobbles",cla.checksums)
|
|
|
|
log("Database fully built!")
|
|
|
|
|
|
|
|
# Saves all cached entries to disk
|
|
def sync():
|
|
|
|
# all entries by file collected
|
|
# so we don't open the same file for every entry
|
|
entries = {}
|
|
|
|
for idx in range(len(SCROBBLES)):
|
|
if not SCROBBLES[idx][2]:
|
|
|
|
t = get_scrobble_dict(SCROBBLES[idx])
|
|
|
|
artistlist = list(t["artists"])
|
|
artistlist.sort() #we want the order of artists to be deterministic so when we update files with new rules a diff can see what has actually been changed
|
|
artistss = "␟".join(artistlist)
|
|
timestamp = datetime.date.fromtimestamp(t["time"])
|
|
|
|
entry = [str(t["time"]),artistss,t["title"]]
|
|
|
|
monthcode = str(timestamp.year) + "_" + str(timestamp.month)
|
|
entries.setdefault(monthcode,[]).append(entry) #i feckin love the setdefault function
|
|
|
|
SCROBBLES[idx] = (SCROBBLES[idx][0],SCROBBLES[idx][1],True)
|
|
|
|
for e in entries:
|
|
tsv.add_entries("scrobbles/" + e + ".tsv",entries[e],comments=False)
|
|
#addEntries("scrobbles/" + e + ".tsv",entries[e],escape=False)
|
|
combineChecksums("scrobbles/" + e + ".tsv",cla.checksums)
|
|
|
|
|
|
global lastsync
|
|
lastsync = int(datetime.datetime.now(tz=datetime.timezone.utc).timestamp())
|
|
log("Database saved to disk.")
|
|
|
|
# save cached images
|
|
#saveCache()
|
|
|
|
|
|
|
|
###
|
|
## Caches in front of DB
|
|
## these are intended mainly for excessive site navigation during one session (e.g. constantly going back to the main page to click the next link)
|
|
###
|
|
|
|
|
|
import copy
|
|
|
|
cache_query = {}
|
|
cacheday = (0,0,0)
|
|
def db_query(**kwargs):
|
|
check_cache_age()
|
|
global cache_query
|
|
key = json.dumps(kwargs)
|
|
if key in cache_query: return copy.copy(cache_query[key])
|
|
|
|
result = db_query_full(**kwargs)
|
|
cache_query[key] = copy.copy(result)
|
|
return result
|
|
|
|
cache_aggregate = {}
|
|
def db_aggregate(**kwargs):
|
|
check_cache_age()
|
|
global cache_aggregate
|
|
key = json.dumps(kwargs)
|
|
if key in cache_aggregate: return copy.copy(cache_aggregate[key])
|
|
|
|
result = db_aggregate_full(**kwargs)
|
|
cache_aggregate[key] = copy.copy(result)
|
|
return result
|
|
|
|
def invalidate_caches():
|
|
global cache_query, cache_aggregate
|
|
cache_query = {}
|
|
cache_aggregate = {}
|
|
|
|
now = datetime.datetime.utcnow()
|
|
global cacheday
|
|
cacheday = (now.year,now.month,now.day)
|
|
|
|
log("Database caches invalidated.")
|
|
|
|
def check_cache_age():
|
|
now = datetime.datetime.utcnow()
|
|
global cacheday
|
|
if cacheday != (now.year,now.month,now.day): invalidate_caches()
|
|
|
|
|
|
####
|
|
## Database queries
|
|
####
|
|
|
|
|
|
|
|
# Queries the database
|
|
def db_query_full(artist=None,artists=None,title=None,track=None,since=None,to=None,within=None,associated=False,max_=None):
|
|
|
|
(since, to) = time_stamps(since,to,within)
|
|
|
|
# this is not meant as a search function. we *can* query the db with a string, but it only works if it matches exactly
|
|
# if a title is specified, we assume that a specific track (with the exact artist combination) is requested
|
|
# if not, duplicate artist arguments are ignored
|
|
|
|
#artist = None
|
|
|
|
if artist is not None and isinstance(artist,str):
|
|
artist = ARTISTS.index(artist)
|
|
|
|
# artists to numbers
|
|
if artists is not None:
|
|
artists = set([(ARTISTS.index(a) if isinstance(a,str) else a) for a in artists])
|
|
|
|
# track to number
|
|
if track is not None and isinstance(track,dict):
|
|
trackartists = set([(ARTISTS.index(a) if isinstance(a,str) else a) for a in track["artists"]])
|
|
track = TRACKS.index((frozenset(trackartists),track["title"]))
|
|
artists = None
|
|
|
|
#check if track is requested via title
|
|
if title!=None and track==None:
|
|
track = TRACKS.index((frozenset(artists),title))
|
|
artists = None
|
|
|
|
# if we're not looking for a track (either directly or per title artist arguments, which is converted to track above)
|
|
# we only need one artist
|
|
elif artist is None and track is None and artists is not None and len(artists) != 0:
|
|
artist = artists.pop()
|
|
|
|
|
|
# db query always reverse by default
|
|
|
|
result = []
|
|
|
|
i = 0
|
|
for s in scrobbles_in_range(since,to,reverse=True):
|
|
if i == max_: break
|
|
if (track is None or s[0] == track) and (artist is None or artist in TRACKS[s[0]][0] or associated and artist in coa.getCreditedList(TRACKS[s[0]][0])):
|
|
result.append(get_scrobble_dict(s))
|
|
i += 1
|
|
|
|
return result
|
|
|
|
# pointless to check for artist when track is checked because every track has a fixed set of artists, but it's more elegant this way
|
|
|
|
|
|
# Queries that... well... aggregate
|
|
def db_aggregate_full(by=None,since=None,to=None,within=None,artist=None):
|
|
(since, to) = time_stamps(since,to,within)
|
|
|
|
if isinstance(artist, str):
|
|
artist = ARTISTS.index(artist)
|
|
|
|
if (by=="ARTIST"):
|
|
#this is probably a really bad idea
|
|
#for a in ARTISTS:
|
|
# num = len(db_query(artist=a,since=since,to=to))
|
|
#
|
|
|
|
# alright let's try for real
|
|
charts = {}
|
|
#for s in [scr for scr in SCROBBLES if since < scr[1] < to]:
|
|
for s in scrobbles_in_range(since,to):
|
|
artists = TRACKS[s[0]][0]
|
|
for a in coa.getCreditedList(artists):
|
|
# this either creates the new entry or increments the existing one
|
|
charts[a] = charts.setdefault(a,0) + 1
|
|
|
|
ls = [{"artist":get_artist_dict(ARTISTS[a]),"scrobbles":charts[a],"counting":[arti for arti in coa.getAllAssociated(ARTISTS[a]) if arti in ARTISTS]} for a in charts]
|
|
ls.sort(key=lambda k:k["scrobbles"],reverse=True)
|
|
# add ranks
|
|
for rnk in range(len(ls)):
|
|
if rnk == 0 or ls[rnk]["scrobbles"] < ls[rnk-1]["scrobbles"]:
|
|
ls[rnk]["rank"] = rnk + 1
|
|
else:
|
|
ls[rnk]["rank"] = ls[rnk-1]["rank"]
|
|
return ls
|
|
|
|
elif (by=="TRACK"):
|
|
charts = {}
|
|
#for s in [scr for scr in SCROBBLES if since < scr[1] < to and (artist==None or (artist in TRACKS[scr[0]][0]))]:
|
|
for s in [scr for scr in scrobbles_in_range(since,to) if (artist is None or (artist in TRACKS[scr[0]][0]))]:
|
|
track = s[0]
|
|
# this either creates the new entry or increments the existing one
|
|
charts[track] = charts.setdefault(track,0) + 1
|
|
|
|
ls = [{"track":get_track_dict(TRACKS[t]),"scrobbles":charts[t]} for t in charts]
|
|
ls.sort(key=lambda k:k["scrobbles"],reverse=True)
|
|
# add ranks
|
|
for rnk in range(len(ls)):
|
|
if rnk == 0 or ls[rnk]["scrobbles"] < ls[rnk-1]["scrobbles"]:
|
|
ls[rnk]["rank"] = rnk + 1
|
|
else:
|
|
ls[rnk]["rank"] = ls[rnk-1]["rank"]
|
|
return ls
|
|
|
|
else:
|
|
#return len([scr for scr in SCROBBLES if since < scr[1] < to])
|
|
return len(list(scrobbles_in_range(since,to)))
|
|
|
|
|
|
# Search for strings
|
|
def db_search(query,type=None):
|
|
if type=="ARTIST":
|
|
results = []
|
|
for a in ARTISTS:
|
|
#if query.lower() in a.lower():
|
|
if simplestr(query) in simplestr(a):
|
|
results.append(a)
|
|
|
|
if type=="TRACK":
|
|
results = []
|
|
for t in TRACKS:
|
|
#if query.lower() in t[1].lower():
|
|
if simplestr(query) in simplestr(t[1]):
|
|
results.append(get_track_dict(t))
|
|
|
|
return results
|
|
|
|
|
|
####
|
|
## Useful functions
|
|
####
|
|
|
|
# makes a string usable for searching (special characters are blanks, accents and stuff replaced with their real part)
|
|
def simplestr(input,ignorecapitalization=True):
|
|
norm = unicodedata.normalize("NFKD",input)
|
|
norm = [c for c in norm if not unicodedata.combining(c)]
|
|
norm = [c if len(c.encode())==1 else " " for c in norm]
|
|
clear = ''.join(c for c in norm)
|
|
if ignorecapitalization: clear = clear.lower()
|
|
return clear
|
|
|
|
|
|
|
|
#def getArtistId(nameorid):
|
|
# if isinstance(nameorid,int):
|
|
# return nameorid
|
|
# else:
|
|
# try:
|
|
# return ARTISTS.index(nameorid)
|
|
# except:
|
|
# return -1
|
|
|
|
|
|
def insert(list_,item,key=lambda x:x):
|
|
i = 0
|
|
while len(list_) > i:
|
|
if key(list_[i]) > key(item):
|
|
list_.insert(i,item)
|
|
return i
|
|
i += 1
|
|
|
|
list_.append(item)
|
|
return i
|
|
|
|
|
|
def scrobbles_in_range(start,end,reverse=False):
|
|
if reverse:
|
|
for stamp in reversed(STAMPS):
|
|
#print("Checking " + str(stamp))
|
|
if stamp < start: return
|
|
if stamp > end: continue
|
|
yield SCROBBLESDICT[stamp]
|
|
else:
|
|
for stamp in STAMPS:
|
|
#print("Checking " + str(stamp))
|
|
if stamp < start: continue
|
|
if stamp > end: return
|
|
yield SCROBBLESDICT[stamp]
|
|
|
|
|
|
# for performance testing
|
|
def generateStuff(num=0,pertrack=0,mult=0):
|
|
import random
|
|
for i in range(num):
|
|
track = random.choice(TRACKS)
|
|
t = get_track_dict(track)
|
|
time = random.randint(STAMPS[0],STAMPS[-1])
|
|
createScrobble(t["artists"],t["title"],time,volatile=True)
|
|
|
|
for track in TRACKS:
|
|
t = get_track_dict(track)
|
|
for i in range(pertrack):
|
|
time = random.randint(STAMPS[0],STAMPS[-1])
|
|
createScrobble(t["artists"],t["title"],time,volatile=True)
|
|
|
|
for scrobble in SCROBBLES:
|
|
s = get_scrobble_dict(scrobble)
|
|
for i in range(mult):
|
|
createScrobble(s["artists"],s["title"],s["time"] - i*500,volatile=True)
|