Building poems like those here: http://spotifypoetry.tumblr.com/

brute_force.py

from httplib import HTTPConnection
import urllib
import json, sys

inp = sys.argv[1]

con = HTTPConnection("ws.spotify.com")

def tokenize(s):
  return map(lambda l:l.lower(), s.split(" "))

def try_terms(terms):
  print "Trying terms " + str(terms)
  params = urllib.quote(" ".join(terms))
  con.request("GET", "/search/1/track.json?q="+params)
  resp = con.getresponse()
  data = json.loads(resp.read())
  for a in data['tracks']:
    if tokenize(a['name']) == terms:
      return a
  return None

tokens = tokenize(inp)

playlists = []

def rec(terms, cur):
  if len(terms)==0:
    playlists.append(cur)
  for i in range(1,len(terms)+1):
    track = try_terms(terms[0:i])
    if track:
      cur.append(track)
      rec(terms[i:], cur[:])

rec(tokens, [])

# Outputting the solution

for playlist in playlists:
  print "Solution >"
  for track in playlist:
    print track
    #print "http://open.spotify.com/track/%s" % track['track']['href'].split(":")[-1]

build_playlist.py

from httplib import HTTPConnection
import urllib
import json, sys

inp = sys.argv[1]

max_length = 6
con = HTTPConnection("ws.spotify.com")

def tokenize(s):
  return map(lambda l:l.lower(), s.split(" "))

def try_terms(terms):
  print "Trying terms " + str(terms)
  params = urllib.quote(" ".join(terms))
  con.request("GET", "/search/1/track.json?q="+params)
  resp = con.getresponse()
  data = json.loads(resp.read())
  for a in data['tracks']:
    if tokenize(a['name']) == terms:
      return a
  return None

def find_longest(toks):
  for i in range(1, max_length+1)[::-1]:
    t = try_terms(toks[0:i])
    if t:
      return { "terms" : toks[0:i], "track" : t, "length":i }
  return None

tokens = tokenize(inp)

playlist = []

while(len(tokens)>0):
  l = find_longest(tokens)
  if not l:
    raise NameError("Need to implement backtracking")
  playlist.append(l)
  tokens = tokens[l["length"]:]

# Outputting the solution

for track in playlist:
  print "http://open.spotify.com/track/%s" % track['track']['href'].split(":")[-1]