dotfiles/scripts/updateCompressedMusic
2018-07-10 14:50:07 +02:00

103 lines
3.4 KiB
Python
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#!/usr/bin/env python3
import os
import shutil
import subprocess
# Constants
SOURCE_FOLDER = os.path.join(os.path.expanduser("~"), "Musique")
OUTPUT_FOLDER = os.path.join(os.path.expanduser("~"), ".MusiqueCompressed")
CONVERSIONS = {"flac": "opus"}
FORBIDDEN_EXTENSIONS = ["jpg", "pdf", "ffs_db"]
FORGIVEN_FILENAMES = ["cover.jpg"]
IGNORED_EMPTY_FOLDER = [".stfolder"]
# Listing files
sourceFiles = dict()
for root, dirs, files in os.walk(SOURCE_FOLDER):
for f in files:
fullPath = os.path.join(root, f)
path = os.path.relpath(fullPath, SOURCE_FOLDER)
sourceFiles[path] = os.path.getctime(fullPath)
outputFiles = dict()
for root, dirs, files in os.walk(OUTPUT_FOLDER):
for f in files:
fullPath = os.path.join(root, f)
path = os.path.relpath(fullPath, OUTPUT_FOLDER)
outputFiles[path] = os.path.getctime(fullPath)
# Sorting files
remainingConversions = dict()
extraFiles = list(outputFiles.keys())
def convertPath(path):
filename, extension = os.path.splitext(path)
extension = extension[1:].lower()
# If the extension isn't allowed
if extension in FORBIDDEN_EXTENSIONS:
basename = os.path.basename(path)
# And the filename is not an exception
if basename not in FORGIVEN_FILENAMES:
# This file shouldn't be copied nor converted
return False
# If this needs a conversion
elif extension in CONVERSIONS:
extension = CONVERSIONS[extension]
return filename + "." + extension
# In all other case, this is a simple copy
return path
for sourceFile in sourceFiles:
outputFile = convertPath(sourceFile)
# If the file should not be converted, do nothing
if outputFile == False:
continue
# If the file already has something as an output
elif outputFile in outputFiles:
extraFiles.remove(outputFile)
# If the output file is newer than the source file, do not initiate a
# conversion
if outputFiles[outputFile] >= sourceFiles[sourceFile]:
continue
# If the file needs to be converted, do it
remainingConversions[sourceFile] = outputFile
# Converting files
for sourceFile in remainingConversions:
outputFile = remainingConversions[sourceFile]
# Creating folder if it doesn't exists
fullOutputFile = os.path.join(OUTPUT_FOLDER, outputFile)
fullOutputDir = os.path.dirname(fullOutputFile)
os.makedirs(fullOutputDir, exist_ok=True)
# Converting
fullSourceFile = os.path.join(SOURCE_FOLDER, sourceFile)
print(fullSourceFile, "", fullOutputFile)
if sourceFile == outputFile:
# shutil.copy(fullSourceFile, fullOutputFile)
if os.path.isfile(fullOutputFile):
os.remove(fullOutputFile)
os.link(fullSourceFile, fullOutputFile)
else:
subprocess.run(
["ffmpeg", "-y", "-i", fullSourceFile, "-c:a", "libopus",
"-movflags", "+faststart", "-b:a", "128k", "-vbr", "on",
"-compression_level", "10", fullOutputFile])
# Removing extra files
for extraFile in extraFiles:
fullExtraFile = os.path.join(OUTPUT_FOLDER, extraFile)
print("×", fullExtraFile)
os.remove(fullExtraFile)
# Removing empty dirs
for root, dirs, files in os.walk(OUTPUT_FOLDER):
if not dirs and not files:
dirBasename = os.path.basename(root)
if dirBasename not in IGNORED_EMPTY_FOLDER:
os.rmdir(root)