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FormatAudioFile.py
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FormatAudioFile.py
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# Author: Alexander Senger
# Version: 0.0.3
import eyed3
import os
import sys
import time
import string
import argparse
import logging
logging.basicConfig(level=logging.ERROR)
# relative path of the default tracks folder of the folder where the program is
MUSIC_PATH = os.path.join(sys.path[0], "tracks")
# additional not needed string extensions at the end of the file title
appendix = [
" (Original Mix)",
" (Extended Mix)",
" (Extended)",
" (DJ Mix)"
]
fileExtensions = [
"mp3",
"flac",
"wav"
]
def reconstructDataOutOfFilename(fileString):
# remove first leading numbers and replace all underscores
tempString = fileString.lstrip(string.digits).replace("_", " ")
# detect the file extension
_, fileExtension = os.path.splitext(tempString)
# remove the file extension
tempString = tempString[:-len(fileExtension)]
# remove all hyphens
artistName, trackName = tempString.split(" - ")
# prepare the artistName
artistName = artistName.replace("-", "")
artistName = artistName.replace(" and ", "&")
artistName = artistName.replace(" Feat. ", " Ft. ")
artistName = artistName.replace(" feat. ", " ft. ")
artistName = artistName.lstrip(' ') # removes first white space
# prepare the trackName
for element in appendix:
if trackName.title().endswith(element):
trackName = trackName[:-(len(element))]
break
return artistName.title(), trackName.title()
def renameFile(artistName, trackName, fileString, newFileString):
# only rename the file if the filenames are unidentical
if fileString != newFileString:
src = MUSIC_PATH + os.sep + fileString
dst = MUSIC_PATH + os.sep + newFileString
print(f"[{fileString}] -> [{newFileString}]")
try:
os.rename(src, dst)
except OSError:
print(f'Error: File in use [{fileString}]')
# TODO: consider to check if one of the tags is valid and reconstruct the other part out of the filename
def examineFileString(artistNameTag, trackNameTag, fileString, audiofile):
if (artistNameTag and trackNameTag):
artistName = artistNameTag
trackName = trackNameTag
else:
artistName, trackName = reconstructDataOutOfFilename(fileString)
# check later on if it's .mp3 before writing it in tags
audiofile.tag.artist = artistName
audiofile.tag.title = trackName
audiofile.tag.save()
newFileString = f"{artistName} - {trackName}.mp3"
return artistName, trackName, newFileString
def getArtistNameAndTrackNameFromTag(audiofile):
if audiofile.tag.artist is None:
artistName = None
else:
artistName = audiofile.tag.artist.lstrip(' ') #remove first white space
if audiofile.tag.title is None:
trackName = None
else:
trackName = audiofile.tag.title.lstrip(' ') #remove first white space
for element in appendix:
if trackName.endswith(element):
trackName = trackName[:-(len(element))]
break
audiofile.tag.title = trackName
audiofile.tag.save()
return artistName, trackName
def adjustFile(audiofile, fileString):
# try to get data from tags
artistNameTag, trackNameTag = getArtistNameAndTrackNameFromTag(audiofile)
artistName, trackName, newFileString = examineFileString(artistNameTag, trackNameTag, fileString, audiofile)
renameFile(artistName, trackName, fileString, newFileString)
# read the command line argument and check if it's a dir path
# returns the newly selected path or the default path and creates the default folder if it's not existing
def getCommandLineDirectory():
parser = argparse.ArgumentParser()
parser.add_argument(
"-p","--path", help="Select the folder of the transforming tracks.", nargs=1, type=str)
args = parser.parse_args()
if args.path:
if os.path.isdir(args.path[0]) == False:
print("Error: Path is invalid.")
sys.exit()
else:
return args.path[0]
else:
if os.path.exists(MUSIC_PATH) == False:
try:
os.mkdir(MUSIC_PATH)
except OSError:
print(
f"Creation of the directory [{MUSIC_PATH}] failed. Program terminated.")
else:
print(f"Successfully created default track directory [{MUSIC_PATH}].\nYou can put your music files now in there and execute again. Program terminated.")
sys.exit()
return MUSIC_PATH
def findMusicFiles():
global MUSIC_PATH
MUSIC_PATH = getCommandLineDirectory()
# scan files in the directory
fileNameList = [f for f in os.listdir(
MUSIC_PATH) if os.path.isfile(os.path.join(MUSIC_PATH, f))]
if len(fileNameList) == 0:
print(f"No files in folder [{MUSIC_PATH}] found. Program terminated.")
sys.exit()
# endswith can be extended by e.g. (('.mp3', '.flac'))
musicFiles = [el for el in fileNameList if el.lower().endswith('.mp3')]
if len(musicFiles) == 0:
print(f"No music files in folder [{MUSIC_PATH}] found. Program terminated.")
sys.exit()
return musicFiles
def main():
musicFiles = findMusicFiles()
for musicFileString in musicFiles:
audiofile = eyed3.load(os.path.join(MUSIC_PATH, musicFileString))
# TODO: if musicFileString endswith .wav/.mp3/.flac
adjustFile(audiofile, musicFileString)
print('Done')
if __name__ == '__main__':
executionStartTime = time.time()
main()
executionEndTime = time.time()
print(f'Execution time: {executionEndTime - executionStartTime}s')