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116 lines
4.5 KiB
Python
Executable file
116 lines
4.5 KiB
Python
Executable file
#!/usr/bin/python3
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# Original source at: https://github.com/dserv01/SyncLosslessToLossyMusicLibrary
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import os
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import subprocess
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##### CONFIGURATION #######################################
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# This is the path of your lossless libray, e.g. '/home/YOURNAME/Music/'
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FROM_PATH = '/home/glados/Music/HiFi/'
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# This is the path of your lossy library, e.g. /mnt/SDCARD0/Music/'
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TO_PATH = '/home/glados/Music/LoFi/'
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# [INPUT] and [OUTPUT] will be replaced by the full path without the extension
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COMMANDS = [['flac', 'opus', 'opusenc --bitrate 72 [INPUT].flac [OUTPUT].opus'],
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['mp3', 'opus', 'ffmpeg -i [INPUT].mp3 -c:v copy -f flac - | opusenc --bitrate 72 - [OUTPUT].opus'],
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['m4a', 'opus', 'ffmpeg -i [INPUT].m4a -c:v copy -f flac - | opusenc --bitrate 72 - [OUTPUT].opus'],
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['opus', 'opus', 'ffmpeg -i [INPUT].opus -c:v copy -f flac - | opusenc --bitrate 72 - [OUTPUT].opus'],
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['jpg', 'jpg', 'cp [INPUT].jpg [OUTPUT].jpg'],
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['png', 'jpg', 'convert [INPUT].png [OUTPUT].jpg']
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]
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SYNC_DELETIONS = True
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ASK_BEFORE_DELETE = False
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##########################################################
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# Check path format
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if (FROM_PATH[-1] != '/' or TO_PATH[-1] != '/'):
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exit(1)
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# Create library paths if not existence
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try:
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if (not os.path.exists(TO_PATH)):
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os.makedirs(TO_PATH)
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elif (os.path.isfile(TO_PATH)):
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raise Exception("Directory is file?!")
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except Exception as e:
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exit(1)
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# Create folders if not existing
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def createFolder(subpath):
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if (os.path.exists(TO_PATH + subpath) and os.path.isdir(TO_PATH + subpath)):
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return True
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try:
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os.makedirs(TO_PATH + subpath)
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return True
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except Exception as e:
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return False
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# Escape the paths for the os.system
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def escapePath(s):
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return s.replace(" ", "\ ").replace(")", "\)").replace("(", "\(").replace("&", "\&").replace("'", "\\\'")
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# Go through all files and convert
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for root, dirs, files in os.walk(FROM_PATH, topdown=False):
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subpath = root[len(FROM_PATH):] + "/"
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if (createFolder(subpath)):
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for name in files:
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filename_without_extension = os.path.splitext(name)[0]
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file_extension = os.path.splitext(name)[1][1:]
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source_path_without_extension = FROM_PATH + subpath + filename_without_extension
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converted_path_without_extension = TO_PATH + subpath + filename_without_extension
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# Get command tripple - sure you can do this more efficient with a hashmap but there will only be a few entries
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command_tripple = None
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for tripple in COMMANDS:
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if (tripple[0] == file_extension):
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command_tripple = tripple
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break
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if (not command_tripple):
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continue
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source_path = source_path_without_extension + "." + command_tripple[0]
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goal_path = converted_path_without_extension + "." + command_tripple[1]
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if (os.path.isfile(source_path)):
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# If goal file does not exists or is older than source
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if (not os.path.exists(goal_path) or os.path.getctime(source_path) > os.path.getctime(goal_path)):
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os.system(command_tripple[2].replace("[INPUT]", escapePath(source_path_without_extension)).replace(
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"[OUTPUT]", escapePath(converted_path_without_extension)))
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# Remove old files
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if (SYNC_DELETIONS):
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for root, dirs, files in os.walk(TO_PATH, topdown=False):
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subpath = root[len(TO_PATH):] + "/"
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for name in files:
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filename_without_extension = os.path.splitext(name)[0]
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file_extension = os.path.splitext(name)[1][1:]
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source_path_without_extension = FROM_PATH + subpath + filename_without_extension
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converted_path_without_extension = TO_PATH + subpath + filename_without_extension
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original_exists = False
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for tripple in COMMANDS:
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if (tripple[1] == file_extension and os.path.exists(source_path_without_extension + "." + tripple[0])):
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original_exists = True
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break
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if (not original_exists):
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filepath_to_delete = escapePath(converted_path_without_extension) + "." + file_extension
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os.system("rm " + ("-i " if ASK_BEFORE_DELETE else "") + filepath_to_delete)
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# Remove old empty folders
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for folder in dirs:
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subpath = root[len(TO_PATH):] + "/"
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if not os.path.exists(FROM_PATH + subpath + folder):
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os.system("rmdir " + escapePath(TO_PATH + subpath + folder))
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