File size: 3,777 Bytes
c7e47b2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
""" Python tools for using MedleyDB """
import logging
from os import path
from os import environ
import warnings
import yaml
import json
from .version import version as __version__
__all__ = ["__version__"]
logging.basicConfig(level=logging.CRITICAL)
if "MEDLEYDB_PATH" in environ and path.exists(environ["MEDLEYDB_PATH"]):
MEDLEYDB_PATH = environ["MEDLEYDB_PATH"]
AUDIO_AVAILABLE = True
elif "MEDLEYDB_PATH" not in environ:
warnings.warn(
"The environment variable MEDLEYDB_PATH is not set. "
"As a result, any part of the code that requires the audio won't work. "
"If you don't need to access the audio, disregard this warning. "
"If you do, set the environment variable MEDLEYDB_PATH to your "
"local copy of MedleyDB.",
UserWarning
)
MEDLEYDB_PATH = ""
AUDIO_AVAILABLE = False
else:
MEDLEYDB_PATH = environ["MEDLEYDB_PATH"]
warnings.warn(
"The value set for MEDLEYDB_PATH: %s does not exist. "
"As a result, any part of the code that requires the audio won't work. "
"If you don't need to access the audio, disregard this warning. "
"If you do, set the environment variable MEDLEYDB_PATH to your local "
"copy of MedleyDB." % MEDLEYDB_PATH,
UserWarning
)
AUDIO_AVAILABLE = False
# The taxonomy, tracklist, annotations and metadata are version controlled and
# stored inside the repository
ANNOT_PATH = path.join(path.dirname(__file__), 'data', 'Annotations')
METADATA_PATH = path.join(path.dirname(__file__), 'data', 'Metadata')
def read_tracklist(filename):
tracklist = []
with open(path.join(path.dirname(__file__), 'resources',
filename), 'r') as fhand:
for line in fhand.readlines():
tracklist.append(line.strip('\n'))
return tracklist
TRACK_LIST_V1 = read_tracklist('tracklist_v1.txt')
TRACK_LIST_V2 = read_tracklist('tracklist_v2.txt')
TRACK_LIST_EXTRA = read_tracklist('tracklist_extra.txt')
TRACK_LIST_BACH10 = read_tracklist('tracklist_bach10.txt')
with open(path.join(path.dirname(__file__), 'resources',
'taxonomy.yaml'), 'r') as fhandle:
INST_TAXONOMY = yaml.load(fhandle)
with open(path.join(path.dirname(__file__), 'resources',
'instrument_f0_type.json'), 'r') as fhandle:
INST_F0_TYPE = json.load(fhandle)
with open(path.join(path.dirname(__file__), 'resources',
'mixing_coefficients_version2.yaml'), 'r') as fhandle:
MIXING_COEFFICIENTS = yaml.load(fhandle)
with open(path.join(path.dirname(__file__), 'resources',
'artist_index.json'), 'r') as fhandle:
ARTIST_INDEX = json.load(fhandle)
GRDIVE_CONFIG_PATH = path.join(
path.dirname(__file__), 'resources', 'client_secrets.json'
)
PYIN_N3_PATH = path.join(path.dirname(__file__), 'resources', 'pyin.n3')
# Audio is downloaded separately and is not version controlled :'(.
# This is the motivation for requesting the user to set the MEDLEYDB_PATH
if AUDIO_AVAILABLE:
AUDIO_PATH = path.join(MEDLEYDB_PATH, 'Audio')
if not path.exists(AUDIO_PATH):
AUDIO_PATH = None
warnings.warn(
"The medleydb audio was not found at the expected path: %s "
"This module will still function, but without the "
"ability to access any of the audio." % AUDIO_PATH,
UserWarning
)
else:
AUDIO_PATH = None
from .utils import (
load_melody_multitracks,
load_all_multitracks,
load_multitracks,
get_files_for_instrument
)
from .multitrack import (
MultiTrack,
Track,
get_duration,
read_annotation_file,
get_valid_instrument_labels,
is_valid_instrument
)
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