def compute_distance(self, a, b):
if a in self.intonationmap:
# print " -hit a"
adata = self.intonationmap[a]
else:
try:
adata = util.docserver_get_json(a, "normalisedpitch", "normalisedhistogram")
except util.NoFileException:
print "can't find recording %s in docserver" % a
return None
self.intonationmap[a] = adata
if b in self.intonationmap:
# print " -hit b"
bdata = self.intonationmap[b]
else:
try:
bdata = util.docserver_get_json(b, "normalisedpitch", "normalisedhistogram")
except util.NoFileException:
print "can't find recording %s in docserver" % b
return None
self.intonationmap[b] = bdata
if (a, b) in self.distancemap:
# print " -hit d-ab"
distance = self.distancemap[(a, b)]
elif (b, a) in self.distancemap:
# print " -hit d-ba"
distance = self.distancemap[(b, a)]
else:
distance = recording.kldiv(adata, bdata)
self.distancemap[(a, b)] = distance
return distance
def compute_similarity(self, raag, raagprofile, otherraags, module):
rid = raag.pk
dirname = self.dirname % module
try:
os.makedirs(dirname)
except OSError:
pass
sims = []
for oraag, oprofile in otherraags.items():
oid = oraag.pk
if (rid, oid) in self.distancemap:
# print " -hit d-ab"
distance = self.distancemap[(rid, oid)]
elif (oid, rid) in self.distancemap:
# print " -hit d-ba"
distance = self.distancemap[(oid, rid)]
else:
distance = recording.kldiv(raagprofile, oprofile)
self.distancemap[(rid, oid)] = distance
print("distance between %s-%s is %s" % (rid, oid, distance))
if distance:
sims.append((oid, distance))
sims = [(i[0], round(i[1], 2)) for i in sims
if not decimal.Decimal(i[1]).is_nan()]
sims = sorted(sims, key=lambda a: a[1])
name = os.path.join(dirname, "%s.json" % rid)
ret = {"rid": rid, "similar": sims}
json.dump(ret, open(name, "wb"), indent=2)
def compute_similarity(self, raag, raagprofile, otherraags, module):
rid = raag.pk
dirname = self.dirname % module
try:
os.makedirs(dirname)
except OSError:
pass
sims = []
for oraag, oprofile in otherraags.items():
oid = oraag.pk
if (rid, oid) in self.distancemap:
# print " -hit d-ab"
distance = self.distancemap[(rid, oid)]
elif (oid, rid) in self.distancemap:
# print " -hit d-ba"
distance = self.distancemap[(oid, rid)]
else:
distance = recording.kldiv(raagprofile, oprofile)
self.distancemap[(rid, oid)] = distance
print "distance between %s-%s is %s" % (rid, oid, distance)
if distance:
sims.append((oid, distance))
sims = [ (i[0], round(i[1], 2)) for i in sims if not decimal.Decimal(i[1]).is_nan() ]
sims = sorted(sims, key=lambda a: a[1])
name = os.path.join(dirname, "%s.json" % rid)
ret = {"rid": rid, "similar": sims}
json.dump(ret, open(name, "wb"), indent=2)
def compute_distance(self, a, b):
if a in self.intonationmap:
# print " -hit a"
adata = self.intonationmap[a]
else:
try:
adata = util.docserver_get_json(a, "normalisedpitch",
"normalisedhistogram")
except util.NoFileException:
print "can't find recording %s in docserver" % a
self.intonationmap[a] = None
return None
self.intonationmap[a] = adata
if b in self.intonationmap:
# print " -hit b"
bdata = self.intonationmap[b]
else:
try:
bdata = util.docserver_get_json(b, "normalisedpitch",
"normalisedhistogram")
except util.NoFileException:
print "can't find recording %s in docserver" % b
return None
self.intonationmap[b] = None
self.intonationmap[b] = bdata
if adata is None or bdata is None:
return None
if (a, b) in self.distancemap:
# print " -hit d-ab"
distance = self.distancemap[(a, b)]
elif (b, a) in self.distancemap:
# print " -hit d-ba"
distance = self.distancemap[(b, a)]
else:
distance = recording.kldiv(adata, bdata)
self.distancemap[(a, b)] = distance
return distance
