def get_bpm_and_key(self):
"""
"""
if self.attrs.get("bpm", None) is None:
# make temp file root
fp_root = tempfile.mktemp(suffix='analysis-output')
# cmd
cmd = '{0} {1} "{2}"'.format(settings.FREESOUND_PATH, pipes.quote(self.file), fp_root)
# exec
p = util.sys_exec(cmd)
if not p.ok:
sys.stderr.write("Error running: {0}\n{1}\n".format(cmd, p.stderr))
return
# grab output file
try:
data = json.loads(open(fp_root).read())
except Exception as e:
sys.stderr.write("WARNING: Could not decode {0} because: {1}".format(self.file, e))
return
# remove
try:
os.remove(fp_root)
os.remove(fp_root)
except:
pass
self.attrs["bpm"] = str(round(data.get("rhythm",{}).get("bpm", settings.DEFAULT_BPM), 1))
self.attrs["key"] = settings.KEY_LOOKUP.get((data.get("tonal", {}).get("key_temperley", {}).get("key", "") + data.get("tonal", {}).get("key_temperley", {}).get("scale", "")).upper(), settings.DEFAULT_KEY)
self.attrs["chord"] = settings.KEY_LOOKUP.get((data.get("tonal", {}).get("chords_key", "") + data.get("tonal", {}).get("chords_scale", "")).upper(), settings.DEFAULT_KEY)
self.attrs["harmonic_key"] = settings.KEY_TO_HARMONIC.get(self.attrs["key"], "")
def import_song(self, song):
"""
Import and Standardize a Song
"""
sys.stderr.write("INFO: Analyzing: {0}\n".format(song.file))
song.get_file()
song.analyze()
song.update()
# standardize file naming
truth_file = os.path.join(self.directory,
song.truth["file"]).replace('//', '/')
if song.file != truth_file:
p = util.sys_exec('mkdir -p "{0}"'.format(self.directory +
song.truth["directory"]))
if not p.ok:
sys.stderr.write(
"ERROR: Could not copy file from {0} to {1} because {2}\n".
format(song.file, truth_file, p.stdout))
sys.stderr.write("INFO: Copying {0} -> {1}\n".format(
song.file, truth_file))
try:
shutil.copy(song.file, truth_file)
except Exception as e:
sys.stderr.write(
"ERROR: Could not copy file from {0} to {1} becauce {2}\n".
format(song.file, truth_file, e))
# delete source file
if self.cleanup:
os.remove(song.file)
def get_fingerprint(self):
"""
Extract uid and fingerprint via
"""
if self.attrs.get("fingerprint", None) is None:
cmd = '{0} {1} -json'.format(settings.FP_CALC_PATH, pipes.quote(self.file))
p = util.sys_exec(cmd)
if not p.ok:
sys.stderr.write("WARNING: Error running {0}: {1}\n".format(cmd, p.stderr))
try:
data = json.loads(p.stdout)
data["duration"] = str(int(round(data.get("duration", 0), 0)))
data["uid"] = hashlib.md5(data.get("fingerprint", "").encode("utf-8")).hexdigest()
self.attrs.update(data)
except Exception as e:
sys.stderr.write("WARNING: Could not compute fingerprint for {0}\n".format(self.file))
self.attrs.update({"fingerprint":"", "duration": "", "uid": hashlib.md5(self.file.encode("utf-8")).hexdigest()})
def setup(self):
util.sys_exec('mkdir -p "{0}"'.format(self.directory))
def add_to_itunes(self):
self.load()
for s in self.songs:
util.sys_exec("mv {0} '{1}'".format(pipes.quote(s.file),
settings.ADD_TO_ITUNES_PATH))