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discogs-classical.py
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discogs-classical.py
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# Ameryn Media metadata processor
# Alex Ball, 2015
import csv
import os
import time
import math
import logging
import webbrowser
import time
from ConfigParser import ConfigParser
import sys
import itertools
import discogs_client
from mutagen.flac import FLAC
import utils
import config
CONFIG_LOCATION = 'ameryn.ini'
CLIENT_NAME = 'AmerynDiscogsBot/0.1'
CONSUMER_KEY = 'lysCMszUmXHGNcFDVmbH'
CONSUMER_SECRET = 'njuRMMqVtcCkojDvRtGhOFqstZfHBFrf'
TOKEN = u'DpladtVtvbpotOOuCMsqlPemAwdFSZgERbDFFYUI'
SECRET = u'ZFryZTlEeqoqQdwTUhQLaViZGUPPOnsKCmLvXPpe'
DISCOGS_MANUAL_AUTH = False
def main(input_resplit_list=False):
def add_serial_metadata(input_filename):
def discogs_auth():
authorize_token = None
while not authorize_token:
discogs = discogs_client.Client(CLIENT_NAME)
discogs.set_consumer_key(CONSUMER_KEY, CONSUMER_SECRET)
authorize_url = discogs.get_authorize_url()
webbrowser.open(authorize_url[2])
authorize_token = raw_input('Enter authorize token (Or q to quit): ')
if authorize_token.lower() == 'q': return 'q'
access_token = discogs.get_access_token(authorize_token)
logging.debug('access_token: {0}'.format(access_token))
return discogs
def average(x):
assert len(x) > 0
return float(sum(x)) / len(x)
def pearson_def(x, y):
"""
Correlation between listed Discogs release durations and split FLAC file durations.
Would divide by zero if all durations are equal for x or y; set to return 1 instead.
"""
assert len(x) == len(y)
n = len(x)
assert n > 0
if n == 2: # Pearson's is useless for n < 3
return (min(x[0], y[0]) / float(max(x[0], y[0]))) * (min(x[1], y[1]) / float(max(x[1], y[1])))
avg_x = average(x)
avg_y = average(y)
diffprod = 0
xdiff2 = 0
ydiff2 = 0
for idx in range(n):
xdiff = x[idx] - avg_x
ydiff = y[idx] - avg_y
diffprod += xdiff * ydiff
xdiff2 += xdiff * xdiff
ydiff2 += ydiff * ydiff
return 1 if xdiff2 == 0 or xdiff2 == 0 else diffprod / math.sqrt(xdiff2 * ydiff2)
def to_seconds(time_str_input):
to_seconds_output = []
if type(time_str_input) is list:
for i in time_str_input:
i_split = i.split(':')
to_seconds_output.append(int(i_split[0] or 0)*60 + int(i_split[1]))
return to_seconds_output
elif type(time_str_input) is str or unicode:
if ':' not in time_str_input:
return int(time_str_input)
i_split = time_str_input.split(':')
return int(i_split[0] or 0)*60 + int(i_split[1])
elif type(time_str_input) is int:
return time_str_input
else:
raise Exception('Invalid to_seconds input type: {0}'.format(type(time_str_input)))
def boxes_pull(input_filename):
# Pull artist, album info from boxes csv
double_type = None
input_filename = input_filename.lstrip('0')
input_filename = input_filename.rsplit('-')[0]
with open(config.boxes_path, 'r') as boxes:
spamreader = csv.reader(boxes)
rowdata = []
for row in spamreader:
rowdata.append(row)
for row in rowdata:
row_serial = row[0].translate(None,' ').lower()
if row_serial == input_filename:
print 'Match!'
print 'RealRow:', row
artist = row[1]
album = row[2]
if album.lower() == 'self titled' or album.lower() == 'self-titled':
album = artist
if row[5].lower() == 'x':
print 'Double trouble!'
if row[6].startswith('1/2') or row[6] == '':
print '1/2!'
double_type = '1/2'
elif row[6].startswith('1/4'):
print 'Eeeek! 1/4!!'
double_type = '1/4'
elif row[5].lower() and row[5].lower() != 'x':
double_type = 'other'
if 'live' in row[4].lower():
print 'Eeeek! Live album!'
return artist, album, double_type
else:
return None, None, None
filename_matches = []
log_comment = ''
artist = ''
album = ''
track_lengths_correlation = 0
discogs_match = False
resplit_serial = False
requested_serial = False
print
print '----------------------'
print 'Query:', input_filename
# Check for filename query matches
for each_file in os.listdir(config.split_folder):
if each_file.startswith(input_filename):
# Skip 'a' matches for non-'a' files
if len(input_filename) == 5 and each_file[5] != '_':
continue
filename_matches.append(each_file)
if not filename_matches:
print 'No split (_xx) audio file matches! Dork.'
return input_filename, artist, album, track_lengths_correlation, log_comment, discogs_match
# Check for artist tags, add from spreadsheet if enabled and necessary
if config.use_boxes_csv:
artist, album, double_type = boxes_pull(input_filename)
if (artist, album) == (None, None):
log_comment = 'No spreadsheet match found.'
return input_filename, artist, album, track_lengths_correlation, log_comment, discogs_match
elif double_type == 'other':
log_comment = 'Freaky double! Engage manual tagging mode.'
if not input_resplit_list:
return input_filename, artist, album, track_lengths_correlation, log_comment, discogs_match
# Add tracknumber, album, artist to FLAC files
for each_file in filename_matches:
audio = FLAC(os.path.join(config.split_folder, each_file))
audio['artist'] = artist
audio['album'] = album
audio.save()
else:
try:
artist = FLAC(os.path.join(config.split_folder, filename_matches[0]))['artist'][0]
album = FLAC(os.path.join(config.split_folder, filename_matches[0]))['album'][0]
print 'Metadata found. Artist:', artist, 'Album:', album
except:
print 'No artist/album tags; boxes spreadsheet not searched:', input_filename
return input_filename, artist, album, track_lengths_correlation, log_comment
discogs_search = True
if input_resplit_list:
# Check re-split_list.csv for specified Discogs release ID
with open(resplit_list_path, 'r') as resplit_list:
rowdata = [row for row in csv.reader(resplit_list)]
for row in rowdata:
row_serial = row[0].translate(None,' ').lower()
if row_serial.startswith(input_filename.lstrip('0')):
if 'csv' in row[1].lower():
print 'Skipped: track titles in resplit-track-lists.csv'
return input_filename, artist, album, track_lengths_correlation, log_comment, discogs_match
elif row[1].isdigit():
print 'Requested serial from resplit list: {0}'.format(row[1])
resplit_serial = True
output = [discogs.release(int(row[1]))]
discogs_search = False
break
elif row[1]:
print 'Re-split serial field non-numeric!'
if discogs_search:
query = ''.join(ch for ch in (artist+' '+album) if ch.isalnum() or ch in ' -/,\'')
# Search Discogs for release ID/artist + album
output = discogs.search(query, type='release')
print 'Discogs results for "{0}":'.format(query)
# Print track listing, tag FLAC files with titles
accept_blank_tracklist_durations = False
for search_loop in range(2):
if accept_blank_tracklist_durations and requested_serial:
output = discogs.search(query, type='release')
time.sleep(config.discogs_request_interval) # Wait to comply with Discogs 60 requests/minute limit
try:
for i, result in enumerate(output):
if i >= config.max_search_tries:
accept_blank_tracklist_durations = True
print 'No results with track times found! Let\'s get a bit fuzzier...'
break
time.sleep(config.discogs_request_interval) # Wait to comply with Discogs 60 requests/minute limit
if hasattr(result, 'tracklist'): #and type(result) != discogs_client.Master:
if resplit_serial or accept_blank_tracklist_durations:
tracklist = [track for track in result.tracklist]
else:
tracklist = [track for track in result.tracklist if track.duration and to_seconds(track.duration) > 0]
if not tracklist:
print 'Result {0}: No tracks found. Continuing...'.format(str(i + 1))
continue
elif len(tracklist) != len(result.tracklist):
print 'Result {0}: Some tracks missing durations. Be careful!'.format(str(i + 1))
elif len(tracklist) == len(filename_matches):
print '----------------------'
print 'Result', str(i + 1)
print 'Release ID:', result.data['id']
print 'Artist:', result.artists[0].name.encode('utf-8')
print 'Album:', result.title.encode('utf-8')
# Funky double handling
if double_type in ['1/4', '1/3'] and filename_matches[0][-7] not in 'abcd':
if not result.tracklist[0].position:
print 'Result {0}: Nope! (No position info found in Discogs)'.format(str(i + 1))
continue
if not result.tracklist[0].position[0].isalpha():
print 'Result {0}: Nope! (No side info in Discogs positions)'.format(str(i + 1))
continue
if double_type == '1/4':
sort_key = ['a', 'd', 'b', 'c']
if double_type == '1/3':
sort_key = ['a', 'c', 'b', 'd']
# Reorder tracklist by alpha position key
tracklist_sorted = []
for key in sort_key:
for track in tracklist:
if track.position.lower().startswith(key):
tracklist_sorted.append(track)
tracklist = tracklist_sorted
if tracklist[0].duration and not resplit_serial:
# Check correlation of Discogs track lengths with those of FLAC files
discogs_lengths = [track.duration for track in tracklist if track.duration]
flac_lengths = []
for match in filename_matches:
audio = FLAC(os.path.join(config.split_folder, match))
flac_length = time.strftime('%M:%S', time.gmtime(audio.info.length)).lstrip('0')
flac_lengths.append(flac_length)
track_lengths_correlation = round(pearson_def(to_seconds(discogs_lengths), to_seconds(flac_lengths)),4)
print 'Track lengths correlation:', track_lengths_correlation
if track_lengths_correlation < config.min_correlation:
print 'Result {0}: Low correlation. Best check yoself!'.format(str(i + 1))
continue
# Write tags to FLAC files
discogs_match = True
for track, match in zip(tracklist, filename_matches):
audio = FLAC(os.path.join(config.split_folder, match))
audio['tracknumber'] = track.position
audio['title'] = track.title
if 'artists' in track.data:
# Add artist info to compilation album tracks
audio['artist'] = track.data['artists'][0]['name'].split('(')[0].strip()
flac_length = time.strftime('%M:%S', time.gmtime(audio.info.length)).lstrip('0')
print track.position, track.title.encode('utf-8'), track.duration, '-->', match, flac_length
audio.save()
return input_filename, artist, album, track_lengths_correlation, log_comment, discogs_match
else:
print 'Result '+str(i + 1)+': Nope! ('+str(len(tracklist))+' != '+str(len(filename_matches))+')'
else:
if len(output) == 0: # Don't retry fuzzy-style if there weren't any Discogs query matches
log_comment = 'No matches for Discogs query!'
return input_filename, artist, album, track_lengths_correlation, log_comment, discogs_match
elif search_loop == 0:
accept_blank_tracklist_durations = True
print 'No results with track times found! Let\'s get a bit fuzzier...'
except Exception as e: # httplib.BadStatusLine?
print 'httplib.BadStatusLine (?) error:', e
return None
else:
log_comment = 'No proper Discogs matches! Dork.'
return input_filename, artist, album, track_lengths_correlation, log_comment, discogs_match
input_filename_list = []
matches_count = 0
start_time = time.time()
discogs_logged_in = False
tries = 0
runtime_errors = []
# Logging setup
if config.log_to_file:
logging.basicConfig(filename=os.path.join(config.log_folder, 'log.csv'), format='%(levelname)s,%(message)s', level=logging.INFO)
else:
logging.basicConfig(format='%(levelname)s,%(message)s', level=logging.DEBUG)
# Log into Discogs
if not DISCOGS_MANUAL_AUTH:
discogs = discogs_client.Client(CLIENT_NAME, CONSUMER_KEY, CONSUMER_SECRET, TOKEN, SECRET)
else:
while not discogs_logged_in:
try:
discogs = discogs_auth()
if discogs == 'q': sys.exit()
discogs_logged_in = True
except:
print 'Nope! Try again.'
# Collect, print input filenames
if config.serial_series:
for f in config.serial_series:
input_filename_list.append(str(f).zfill(5))
print 'Input filenames (series):', input_filename_list
elif config.input_whole_folder:
for f in os.listdir(config.split_folder):
if f.endswith('.flac') or f.endswith('.mp3'):
f = f.rsplit('_clean')[0]
if f[-2] == '-':
f = f[:-1]
if f not in input_filename_list:
input_filename_list.append(f)
print 'Input filenames ('+str(len(input_filename_list))+'):', input_filename_list
elif type(input_filenames) is not list:
input_filename_list = input_filenames.split(',')
else:
input_filename_list = input_filenames
files_count = len(input_filename_list)
# Grab spreadsheet from Google Drive
print 'Exporting sheets...'
#utils.export_csv('Boxes!')
#utils.export_csv('resplit-list')
#utils.export_csv('resplit-track-lists')
'''
# Do the things
while tries == 0 or runtime_errors and tries <= config.max_error_tries:
if runtime_errors:
print 'Runtime errors:', runtime_errors
print '{0} runtime errors found! See above.'.format(len(runtime_errors))
input_filename_list = runtime_errors
runtime_errors = []
for each in input_filename_list:
result = add_serial_metadata(each)
if result is None:
log_comment = 'We tried. We httplib.BadStatusLined.'
runtime_errors.append(each)
else:
input_filename, artist, album, track_lengths_correlation, log_comment, discogs_match = result
if discogs_match:
matches_count += 1
if result or tries > 3:
# Log track data
print log_comment
artist = artist.translate(None, ',') if artist else ''
album = album.translate(None, ',') if album else ''
logging.info('%s,%s,%s,%s,%s', input_filename, artist, album, track_lengths_correlation, log_comment)
tries += 1
'''
# Now the items with manually-named track titles from resplit_track_lists.csv
if input_resplit_list:
#utils.export_csv(['re-split_list', 'resplit-track-lists', 'resplit-artists'])
'''
with open(config.resplit_track_lists_path, 'r') as resplit_track_lists:
config.split_folder_list = os.listdir(config.split_folder)
server_directory_list = os.listdir(config.server_split_folder)
rowdata = [row for row in csv.reader(resplit_track_lists)]
for row in rowdata:
query = row[0]
#query = [''.join(x) for _, x in itertools.groupby(row[0], key=str.isdigit)]
#query = ''.join([query[0].zfill(5)] + query[1:])
# Check for filename query matches
filename_matches = [os.path.join(config.split_folder, each) for each in config.split_folder_list if each.startswith(query)]
if not filename_matches:
filename_matches = [os.path.join(config.server_split_folder, each) for each in server_directory_list if each.startswith(query)]
if not filename_matches:
print 'No split (_xx) audio file matches for resplit serial {0}! Dork.'.format(row[0])
continue
# Write tags to FLAC files
tracklist = [col for col in row[1:] if col]
for position, (track, match) in enumerate(zip(tracklist, filename_matches), 1):
audio = FLAC(os.path.join(config.split_folder, match))
audio['tracknumber'] = str(position)
audio['title'] = track.decode('unicode-escape')
flac_length = time.strftime('%M:%S', time.gmtime(audio.info.length)).lstrip('0')
print position, flac_length, track, '-->', match
audio.save()
matches_count += 1
'''
with open(config.resplit_artists_path, 'r') as resplit_artists:
config.split_folder_list = os.listdir(config.split_folder)
server_directory_list = os.listdir(config.server_split_folder)
rowdata = [row for row in csv.reader(resplit_artists)]
for row in rowdata:
query = row[0]
# Check for filename query matches
filename_matches = [os.path.join(config.split_folder, each) for each in config.split_folder_list if each.startswith(query)]
if not filename_matches:
filename_matches = [os.path.join(config.server_split_folder, each) for each in server_directory_list if each.startswith(query)]
if not filename_matches:
print 'No split (_xx) audio file matches for resplit serial {0}! Dork.'.format(row[0])
continue
# Write tags to FLAC files
for match in filename_matches:
audio = FLAC(os.path.join(config.split_folder, match))
audio['artist'] = row[1].decode('unicode-escape')
audio['album'] = row[2].decode('unicode-escape')
audio['composer'] = row[3].decode('unicode-escape')
audio.save()
matches_count += 1
# Done? Great!
accuracy = int(round(matches_count / float(files_count) * 100))
processing_time = int(round(time.time() - start_time))
print 'Great success! {0} files ({1} matches, {2}%) processed in {3}s.'.format(files_count, matches_count, accuracy, processing_time)
# RUN THE TRAP
if __name__ == '__main__':
main(input_resplit_list=config.input_resplit_list)