# encoding: UTF-8
# api: streamtuner2
# title: Dirble
# description: Song history tracker for Internet radio stations.
# url: http://dirble.com/
# version: 2.4
# type: channel
# category: radio
# config:
# { name: dirble_api_key, value: "", type: text, description: Alternative API access key., hidden: 1 }
# png:
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# priority: optional
# documentation: http://dirble.com/developer/api
# extraction-method: json
#
#
# Dirble is a user-contributed list of radio stations,
# auto-updating song titles and station information.
# Homepages are there now, and thus favicons readily
# available. Extra station banners aren't fetched.
#
# It provides a JSON API. Since plugin version 2.3
# we're back to slower pagination requests however.
#
# Response times are fixed now by overriding the HTTP
# encoding. (A python-requests issue mostly).
import json
from config import *
from channels import *
import ahttp
# Dirble
#
# Hmm ok, the new v2 API isn't so bad after all.
# It actually contains streaming urls, and even
# station homepages now.
#
# · No idea what status: or timedout: mean,
# just mapped to `deleted` and `status`
# · Stream alternatives are meanwhile scanned
# for "best" format+bitrate combinations.
# · Leave favicons to regular behaviour,
# station banners are not accessible per CDN.
#
class dirble (ChannelPlugin):
# control flags
has_search = True
listformat = "srv"
titles = dict(playing="Location")
base = "http://api.dirble.com/v2/{}"
key = "a0bdd7b8efc2f5d1ebdf1728b65a07ece4c73de5"
# Retrieve cat list and map
def update_categories(self):
cats = []
for row in self.api("categories/tree"):
cats += [row["title"]]
self.catmap[row["title"]] = row["id"]
if row.get("children"):
cats += [[c["title"] for c in row["children"]]]
for c in row["children"]:
self.catmap[c["title"]] = c["id"]
self.categories = ["Popular", "Recent"] + cats
# Fetch entries
def update_streams(self, cat, search=None):
self.progress(1)
if search:
r = self.api("search", query=search, page=0, pages=1, post=1)
elif cat in ("Popular", "Recent"):
r = self.api("stations/{}".format(cat.lower()), pages=5)
else:
r = self.api("category/{}/stations".format(self.catmap.get(cat, 0)), pages=5)
return [self.unpack(row) for row in r]
# Extract rows
def unpack(self, r):
listeners = 0
# find stream
if len(r.get("streams", [])):
# compare against first entry
s = r["streams"][0]
# select "best" stream if there are alternatives
if len(r["streams"]) > 0:
for alt in r["streams"]:
listeners += alt.get("listeners", 0)
# set defaults
if not alt.get("content_type"):
alt["content_type"] = "?"
if not alt.get("bitrate"):
alt["bitrate"] = 16
alt["content_type"] = alt["content_type"].strip() # There's a "\r\n" in nearly every entry :?
# weight format with bitrate
cur_q = self.format_q.get( s["content_type"], "0.9") \
* s.get("bitrate", 32)
alt_q = self.format_q.get(alt["content_type"], "0.9") \
* alt.get("bitrate", 32)
# swap out for overall better score
if alt_q > cur_q:
s = alt
#log.DATA_BETTER_STREAM(s, "←FROM←", r)
# fix absent audio type
if not s.get("content_type") or len(s["content_type"]) < 7:
s["content_type"] = "audio/mpeg"
#log.DATA(s)
else:
return {}
# rename fields
return dict(
genre = " ".join(c["slug"] for c in r["categories"]),
title = r["name"],
playing = "{} {}".format(r.get("country"), r.get("description", "")),
homepage = ahttp.fix_url(r["website"]),
url = s["stream"],
format = s["content_type"],
bitrate = s["bitrate"],
listeners = listeners,
img = r.get("image", {}).get("thumb", {}).get("url", ""), # CDN HTTPS trip up requests.get
img_resize = 32,
state = self.state_map.get(int(s["status"]), ""),
deleted = s.get("timedout", False),
)
# Streams contain a `status`, here mapped onto arbitrary Gtk icons
state_map = {0:"gtk-media-pause", 1:"gtk-media-next", 2:"gtk-media-rewind"}
# Weighting bitrate and audio format for alternative stream URLs
format_q = {"?":0.75, "audio/mpeg":1.0, "audio/aac":1.25, "audio/aacp":1.35, "audio/ogg":1.50}
# Patch API url together, send request, decode JSON list
def api(self, method, pages=1, post=0, **params):
# pagination parameters
if pages > 1:
params["page"] = 0
params["per_page"] = 30
params["offset"] = 0
params["token"] = conf.dirble_api_key or self.key
try:
r = []
# paginate results
for params["page"] in range(0, pages):
self.progress(pages)
# send HTTP request and extract JSON
if post:
method += "?token=" + params["token"]
del params["token"]
add = ahttp.get(self.base.format(method), params, post=post, json=post, encoding="utf-8")
add = json.loads(add)
# check for errors
if isinstance(add, dict) and add.get("error"):
if r:
log.WARN(add["error"])
break
else:
raise Exception(add)
r += add
# cut down stream list
self.progress(0)
#if len(r) > int(conf.max_streams):
# del r[int(conf.max_streams):]
except Exception as e:
log.ERR("Dirble API retrieval failure:", e)
r = []
return r