def lab2timelineRDF(infilename, outfilename, format="xml"):
infile = open(infilename, 'r')
lines = infile.readlines()
mi = mopy.MusicInfo()
homepage = mopy.foaf.Document("http://sourceforge.net/projects/motools")
mi.add(homepage)
program = mopy.foaf.Agent()
program.name = "lab2timelineRDF.py"
program.homepage = homepage
mi.add(program)
tl = RelativeTimeLine("tl")
tl.label = "Timeline derived from "+infilename
tl.maker = program
mi.add(tl)
intervalNum = 0
for line in lines:
i = Interval("i"+str(intervalNum))
try:
[start_s, end_s, label] = parseLabLine(line)
i.beginsAtDuration = secondsToXSDDuration(start_s)
i.endsAtDuration = secondsToXSDDuration(end_s)
i.label = label
i.onTimeLine = tl
except Exception, e:
raise Exception("Problem parsing input file at line "+str(intervalNum+1)+" !\n"+str(e))
mi.add(i)
intervalNum+=1
def labchords2RDF(infilename, outfilename, format="xml", audiofilename=None, withdescriptions=False):
if withdescriptions:
commonchords = ConjunctiveGraph()
commonchords.load("CommonChords.rdf")
extrachords = ConjunctiveGraph()
infile = open(infilename, 'r')
lines = infile.readlines()
mi = mopy.MusicInfo()
homepage = mopy.foaf.Document("http://sourceforge.net/projects/motools")
mi.add(homepage)
program = mopy.foaf.Agent()
program.name = "labchords2RDF.py"
program.homepage = homepage
mi.add(program)
tl = RelativeTimeLine("#tl")
tl.label = "Timeline derived from "+infilename
tl.maker = program
mi.add(tl)
intervalNum = 0
for line in lines:
i = Interval("#i"+str(intervalNum))
try:
[start_s, end_s, label] = parseLabLine(line)
i.beginsAtDuration = secondsToXSDDuration(start_s)
i.endsAtDuration = secondsToXSDDuration(end_s)
#i.label = "Interval containing "+label+" chord."
i.onTimeLine = tl
# Produce chord object for the label :
chordURI = "http://purl.org/ontology/chord/symbol/"+label.replace("#","s").replace(",","%2C")
if withdescriptions and \
len(list(commonchords.predicate_objects(URIRef(chordURI)))) == 0 and \
len(list(extrachords.predicate_objects(URIRef(chordURI)))) == 0:
# Deref to grab chord info
print "loading "+chordURI+"..."
extrachords.load(chordURI)
c = mopy.chord.Chord(chordURI)
c_event = mopy.chord.ChordEvent("#ce"+str(intervalNum))
c_event.chord = c
c_event.label = label
c_event.time = i
except Exception, e:
raise Exception("Problem parsing input file at line "+str(intervalNum+1)+" !\n"+str(e))
mi.add(i)
mi.add(c)
mi.add(c_event)
intervalNum+=1
