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#!/bin/env python
import os
##############
## SOUNDS
##############
class Instrument:
def __init__(self, id):
self.id = id
# build an Instrument instance from argument list
def loadFromArgs( self, name, csoundInstrumentName, register, loopStart,
loopEnd, crossDur, wav, img, labels ):
self.name = name
self.csoundInstrumentName = csoundInstrumentName
self.register = register
self.loopStart = loopStart
self.loopEnd = loopEnd
self.crossDur = crossDur
self.wav = wav
self.img = img
self.labels = labels
# build an Instrument instance by parsing a file
def loadFromPath(self, path ):
f = file(path, 'r')
magic = f.readline()[:-1]
if (magic != 'TamTam idf v1'):
raise 'given file has wrong header'
self.name = f.readline()
self.csoundInstrumentName = f.readline()
self.register = f.readline()
self.loopStart = float( f.readline())
self.loopEnd = float( f.readline())
self.crossDur = float( f.readline())
self.wav = f.readline()
self.img = f.readline()
self.labels = f.readline().split()
f.close()
class InstrumentDB:
# initialize an empty InstrumentDB instance
def __init__(self):
self.labelSet = {'all':set([])} # <key> -> all instruments labelled by <key>
self.inst = [] # all instruments
self.instNamed = {} # <name> -> instrument with that name
self.kit = [] # all kits. kits are lists of 13 instruments
self.kitNamed = {} # <name> -> kit with that name
# add an instrument to the DB by reading from an instrument definition file
def addInstrument( self, path ):
i = Instrument(len(self.inst))
self.inst += [ i ]
i.loadFromPath( path )
self.instNamed[ i.name ] = i
print 'labelSet... ', self.labelSet
self.labelSet['all'].add(i)
for l in i.labels:
if l not in self.labelSet:
self.labelSet[l] = set([])
self.labelSet[l].add( i )
# add a kit by reading from a kit definition file
def addKit( self, path ):
strlist = file(path, 'r').readline().split()
if len(strlist) != 14:
raise 'kit length != 13'
for str in strlist[1:]:
if str not in self.inst_named:
raise 'invalid instrument'
kit = [ self.instNamed[name] for name in strlist ]
self.kit += [ kit ]
# try to load each file in a given folder as an instrument def. file
def scanInstrumentDir( self, path ):
dirlist = os.listdir( path )
for fpath in dirlist:
try :
self.addInstrument( path + fpath )
except :
print 'ERROR: scanning instrument path %s: file %s invalid' % (path, fpath)
# try to load each file in a given folder as a kit def. file
def scanKitDir( self, path ):
dirlist = os.listdir( path )
for fpath in dirlist:
try :
self.addKit( fpath )
except :
print 'ERROR: scanning kit path %s: file %s invalid' % (path, fpath)
def debug_summarize(self):
for i in self.inst:
print i.id, i.name
for l in self.labelSet:
print l, [ i.name for i in self.labelSet[l]]
db_instance = None
def getRef():
global db_instance
if (None == db_instance):
db_instance = InstrumentDB()
return db_instance
if __name__ == "__main__":
i1 = getRef()
i2 = getRef()
print i1, i2
import sys
i1.scanInstrumentDir( sys.argv[1] )
i1.debug_summarize()
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