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maloja/external.py
2019-06-24 17:23:27 +02:00

183 lines
6.4 KiB
Python

import urllib.parse, urllib.request
import json
import base64
from doreah.settings import get_settings
from doreah.logging import log
import hashlib
import xml.etree.ElementTree as ET
### PICTURES
apis_artists = []
if get_settings("LASTFM_API_KEY") not in [None,"ASK"] and get_settings("FANARTTV_API_KEY") not in [None,"ASK"]:
apis_artists.append({
"name":"LastFM + Fanart.tv",
#"check":get_settings("LASTFM_API_KEY") not in [None,"ASK"] and get_settings("FANARTTV_API_KEY") not in [None,"ASK"],
"steps":[
("get","http://ws.audioscrobbler.com/2.0/?method=artist.getinfo&artist={artiststring}&api_key=" + str(get_settings("LASTFM_API_KEY")) + "&format=json"),
("parse",["artist","mbid"]),
("get","http://webservice.fanart.tv/v3/music/{var}?api_key=" + str(get_settings("FANARTTV_API_KEY"))),
("parse",["artistthumb",0,"url"])
]
})
if get_settings("SPOTIFY_API_ID") not in [None,"ASK"] and get_settings("SPOTIFY_API_SECRET") not in [None,"ASK"]:
apis_artists.append({
"name":"Spotify",
#"check":get_settings("SPOTIFY_API_ID") not in [None,"ASK"] and get_settings("SPOTIFY_API_SECRET") not in [None,"ASK"],
"steps":[
("post","https://accounts.spotify.com/api/token",{"Authorization":"Basic " + base64.b64encode(bytes(get_settings("SPOTIFY_API_ID") + ":" + get_settings("SPOTIFY_API_SECRET"),encoding="utf-8")).decode("utf-8")},{"grant_type":"client_credentials"}),
("parse",["access_token"]),
("get","https://api.spotify.com/v1/search?q={artiststring}&type=artist&access_token={var}"),
("parse",["artists","items",0,"images",0,"url"])
]
})
apis_tracks = []
if get_settings("LASTFM_API_KEY") not in [None,"ASK"]:
apis_tracks.append({
"name":"LastFM",
#"check":get_settings("LASTFM_API_KEY") not in [None,"ASK"],
"steps":[
("get","https://ws.audioscrobbler.com/2.0/?method=track.getinfo&track={titlestring}&artist={artiststring}&api_key=" + get_settings("LASTFM_API_KEY") + "&format=json"),
("parse",["track","album","image",3,"#text"])
]
})
if get_settings("SPOTIFY_API_ID") not in [None,"ASK"] and get_settings("SPOTIFY_API_SECRET") not in [None,"ASK"]:
apis_tracks.append({
"name":"Spotify",
#"check":get_settings("SPOTIFY_API_ID") not in [None,"ASK"] and get_settings("SPOTIFY_API_SECRET") not in [None,"ASK"],
"steps":[
("post","https://accounts.spotify.com/api/token",{"Authorization":"Basic " + base64.b64encode(bytes(get_settings("SPOTIFY_API_ID") + ":" + get_settings("SPOTIFY_API_SECRET"),encoding="utf-8")).decode("utf-8")},{"grant_type":"client_credentials"}),
("parse",["access_token"]),
("get","https://api.spotify.com/v1/search?q={artiststring}%20{titlestring}&type=track&access_token={var}"),
("parse",["tracks","items",0,"album","images",0,"url"])
]
})
def api_request_artist(artist):
for api in apis_artists:
if True:
log("API: " + api["name"] + "; Image request: " + artist,module="external")
try:
artiststring = urllib.parse.quote(artist)
var = artiststring
for step in api["steps"]:
if step[0] == "get":
response = urllib.request.urlopen(step[1].format(artiststring=artiststring,var=var))
var = json.loads(response.read())
elif step[0] == "post":
keys = {
"url":step[1].format(artiststring=artiststring,var=var),
"method":"POST",
"headers":step[2],
"data":bytes(urllib.parse.urlencode(step[3]),encoding="utf-8")
}
req = urllib.request.Request(**keys)
response = urllib.request.urlopen(req)
var = json.loads(response.read())
elif step[0] == "parse":
for node in step[1]:
var = var[node]
assert isinstance(var,str) and var != ""
except:
continue
return var
else:
pass
return None
def api_request_track(track):
artists, title = track
for api in apis_tracks:
if True:
log("API: " + api["name"] + "; Image request: " + "/".join(artists) + " - " + title,module="external")
try:
artiststring = urllib.parse.quote(", ".join(artists))
titlestring = urllib.parse.quote(title)
var = artiststring + titlestring
for step in api["steps"]:
if step[0] == "get":
response = urllib.request.urlopen(step[1].format(artiststring=artiststring,titlestring=titlestring,var=var))
var = json.loads(response.read())
elif step[0] == "post":
keys = {
"url":step[1].format(artiststring=artiststring,titlestring=titlestring,var=var),
"method":"POST",
"headers":step[2],
"data":bytes(urllib.parse.urlencode(step[3]),encoding="utf-8")
}
req = urllib.request.Request(**keys)
response = urllib.request.urlopen(req)
var = json.loads(response.read())
elif step[0] == "parse":
for node in step[1]:
var = var[node]
assert isinstance(var,str) and var != ""
except:
if len(artists) != 1:
# try the same track with every single artist
for a in artists:
result = api_request_track(([a],title))
if result is not None:
return result
continue
return var
else:
pass
return None
### SCROBBLING
# creates signature and returns full query string
def lfmbuild(parameters):
m = hashlib.md5()
keys = sorted(str(k) for k in parameters)
m.update(utf("".join(str(k) + str(parameters[k]) for k in keys)))
m.update(utf(get_settings("LASTFM_API_SECRET")))
sig = m.hexdigest()
return urllib.parse.urlencode(parameters) + "&api_sig=" + sig
def utf(st):
return st.encode(encoding="UTF-8")
apis_scrobble = []
if get_settings("LASTFM_API_SK") not in [None,"ASK"] and get_settings("LASTFM_API_SECRET") not in [None,"ASK"] and get_settings("LASTFM_API_KEY") not in [None,"ASK"]:
apis_scrobble.append({
"name":"LastFM",
"scrobbleurl":"http://ws.audioscrobbler.com/2.0/",
"requestbody":lambda artists,title,timestamp: lfmbuild({"method":"track.scrobble","artist[0]":", ".join(artists),"track[0]":title,"timestamp":timestamp,"api_key":get_settings("LASTFM_API_KEY"),"sk":get_settings("LASTFM_API_SK")})
})
def proxy_scrobble(artists,title,timestamp):
for api in apis_scrobble:
response = urllib.request.urlopen(api["scrobbleurl"],data=utf(api["requestbody"](artists,title,timestamp)))
xml = response.read()
data = ET.fromstring(xml)
if data.attrib.get("status") == "ok":
if data.find("scrobbles").attrib.get("ignored") == "0":
log(api["name"] + ": Scrobble accepted: " + "/".join(artists) + " - " + title)
else:
log(api["name"] + ": Scrobble not accepted: " + "/".join(artists) + " - " + title)