def run(self, className, outfilename, param, dsname, gtname, evalconfig):
try:
classifier = param['classifier']
gt = GroundTruth(classifier)
gt.load(gtname)
# force the GroundTruth class name to be the one specified by our project file, not
# the one in the original groundtruth file
gt.className = className
ds = DataSet()
ds.load(dsname)
# some points may have failed to be analyzed, remove those from the GroundTruth
pnames = ds.pointNames()
for pid in list(gt.keys()):
if pid not in pnames:
log.warning(
'Removing %s from GroundTruth as it could not be found in the merged dataset'
% pid)
del gt[pid]
trainerFun, trainingparam, newds = getTrainer(
classifier, param, ds)
# run all the evaluations specified in the evaluation config
for i, evalparam in enumerate(evalconfig):
# if we already ran this evaluation, no need to run it again...
resultFilename = outfilename + '_%d.result' % i
if exists(resultFilename):
log.info('File %s already exists. Skipping evaluation...' %
resultFilename)
continue
log.info(
'Running evaluation %d for: %s with classifier %s and dataset %s'
% (i, outfilename, param['classifier'],
param['preprocessing']))
log.info(' PID: %d, parameters: %s' %
(os.getpid(), json.dumps(param)))
# run evaluation
confusion = evaluateNfold(evalparam['nfold'], ds, gt,
trainerFun, **trainingparam)
# write evaluation params & result
with open(outfilename + '_%d.param' % i, 'w') as f:
yaml.dump({'model': param, 'evaluation': evalparam}, f)
confusion.save(resultFilename)
except Exception:
log.error(
'While doing evaluation with param = %s\nevaluation = %s' %
(param, evalconfig))
raise
def validate(basedir):
# let's start with some basic check
print('Checking basic directory layout...')
if not exists(basedir):
raise Exception('The specified base directory does not exist')
# check required metadata files are there and that they're valid
configFile = join(basedir, 'metadata', 'config.yaml')
if not exists(configFile):
raise Exception(
'config.yaml could not be found in the metadata/ folder')
config = yaml.load(open(configFile).read())
if 'version' not in config:
raise Exception('config.yaml doesn\'t have a version number')
# check that the specified audioFormats correspond to the audio/ subfolders
print('Checking available audio formats...')
audioFormats = config['audioFormats']
if not audioFormats:
raise Exception('audioFormats not specified in config.yaml')
audioFolders = [
basename(f) for f in glob.glob(join(basedir, 'audio', '*'))
]
if len(audioFolders) != len(audioFormats):
raise Exception(
'Some audio folders are not described in the audioFormats section of the config.yaml'
)
print('Found formats:', str(audioFolders))
# check the audio formats are valid, in particular that they have a valid filelist
for format, desc in audioFormats.items():
print("\nChecking format '%s':" % format)
# TODO: at some point in the future we should also check for valid values in desc
if not exists(join(basedir, 'audio', format)):
raise Exception(
'%s is listed as an audio format, but doesn\'t appear in the audio/ folder'
% format)
if 'filelist' not in desc:
raise Exception('Audio format "%s" does not define a filelist' %
format)
filelist = yaml.load(
open(join(basedir, 'metadata', desc['filelist'])).read())
print(' filelist OK, lists %d files' % len(filelist))
for pid, filename in filelist.items():
fullpath = join(basedir, 'audio', format, filename)
if not exists(fullpath):
raise Exception(
'For format "%s": file "%s" appears in filelist, however there is no corresponding "%s"'
% (format, filename, fullpath))
# check that the groundtruth files do actually exist if they are specified
print('\nChecking groundtruth files...')
groundTruth = config.get('groundTruth', {})
print('Found groundtruth files:', str(list(groundTruth.keys())))
for name, gtfile in groundTruth.items():
print("\nChecking groundtruth '%s':" % name)
gt = GroundTruth('')
gt.load(join(basedir, 'metadata', gtfile))
# check that the IDs used in the groundtruth files exist in all the filelists
for afname, af in audioFormats.items():
flist = yaml.load(
open(join(basedir, 'metadata', af['filelist'])).read()).keys()
for gid in gt:
if gid not in flist:
raise Exception(
"ID '%s' is in GroundTruth '%s', but could not be found in filelist for audio format '%s'"
% (gid, gtfile, afname))
print(' gt filelist OK, found classes:',
str(sorted(set(gt.values()))))
def generate_std_metadata(basedir, gtname, options):
audioFormats = {}
# make sure metadata folder exists
os.system('mkdir -p "%s"' % join(basedir, 'metadata'))
# generate a filelist for each audio folder
filelists = {}
for format in glob.glob(join(basedir, 'audio', '*')):
format = basename(format)
flist = generateMergeFilelist(join(basedir, 'audio', format),
validFile = lambda x: True,
filename2gid = lambda x: x)
filelists[format] = flist
filelist = open(join(basedir, 'metadata', '%s_filelist.yaml' % format), 'w')
yaml.dump(flist, filelist)
audioFormats[format] = { 'filelist': '%s_filelist.yaml' % format }
# generate groundtruth, if asked
groundTruth = {}
if options.gttype is not None:
if options.gttype == 'dir':
# use the last filelist to get the GT, which should be independent of audio format
# as it relies on points IDs only
gt = GroundTruth(gtname)
for pid in flist:
gt[pid] = pid.split('/')[0]
gt.save(join(basedir, 'metadata', 'groundtruth.yaml'))
groundTruth[gtname] = 'groundtruth.yaml'
elif options.gttype == 'txt':
gt = GroundTruth(gtname)
for pid in flist:
gtfile = join(basedir, 'metadata', format, pid) + '.txt'
gt[pid] = open(gtfile).read().strip()
gt.save(join(basedir, 'metadata', 'groundtruth.yaml'))
groundTruth[gtname] = 'groundtruth.yaml'
elif options.gttype == 'mdir':
# look for all the directories which can be paired in a XXX / not_XXX fashion
# and create a groundtruth file for each of those
mdirs = set(pid.split('/')[0] for pid in flist)
mdirs = [ c for c in mdirs if ('not_' + c in mdirs or 'not-' + c in mdirs) ]
print ('Found following possible classes', mdirs)
for c in mdirs:
gt = GroundTruth(gtname + '_' + c)
for pid in flist:
cls = pid.split('/')[0]
# only keep those files which we are interested in for our specific subclass
if not (cls == c or cls == 'not_' + c or cls == 'not-' + c):
continue
gt[pid] = cls
gt.save(join(basedir, 'metadata', 'groundtruth_%s.yaml' % c))
groundTruth['%s_%s' % (gtname, c)] = 'groundtruth_%s.yaml' % c
else:
print ('WARNING: unknown groundtruth type:', str(options.gttype))
print (' not generating any groundtruth files...')
# write the main config file
config = { 'version': 1.0,
'audioFormats': audioFormats,
'groundTruth': groundTruth
}
yaml.dump(config, open(join(basedir, 'metadata', 'config.yaml'), 'w'))
