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https://github.com/Moonbase59/loudgain/commit/b59e3c520af0b36d09693c70a44ed4d3585f5b8a
From b59e3c520af0b36d09693c70a44ed4d3585f5b8a Mon Sep 17 00:00:00 2001
From: Moonbase59 <moonbase@quantentunnel.de>
Date: Wed, 30 Oct 2019 05:12:30 +0100
Subject: [PATCH] Add multiprocessing rgbpm2 script for mass-tagging
---
bin/rgbpm2 | 178 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 178 insertions(+)
create mode 100755 bin/rgbpm2
diff --git a/bin/rgbpm2 b/bin/rgbpm2
new file mode 100755
index 0000000..0080a9a
--- /dev/null
+++ b/bin/rgbpm2
@@ -0,0 +1,178 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2019 Matthias C. Hormann
+
+from __future__ import print_function
+
+import os
+import errno
+import sys
+import signal
+import argparse
+import textwrap
+import fnmatch
+import subprocess
+import multiprocessing
+
+def init_worker():
+ """Initialize workers so they can’t get a KeyboardInterrupt
+ """
+ signal.signal(signal.SIGINT, signal.SIG_IGN)
+
+def loudgain(args):
+ """loudgain args
+ args[0] = folder
+ args[1] = file extension
+ args[2:n] = loudgain options
+ args[n+1:] = filenames
+ """
+ print("Working on {} ...".format(os.path.abspath(os.path.join(args[0],
+ '*' + args[1]))))
+ try:
+ retcode = subprocess.check_call(['loudgain', '-q'] + args[2:],
+ stdout=open(os.devnull, 'wb'))
+
+ except subprocess.CalledProcessError as e:
+ print("loudgain returned status {}, command was:\n{}".format(
+ e.returncode, subprocess.list2cmdline(e.cmd)), file=sys.stderr)
+ retcode = e.returncode
+
+ except OSError as e:
+ if e.errno == errno.ENOENT:
+ print("loudgain not found, but it is required", file=sys.stderr)
+ else:
+ print("Execution failed:", e, file=sys.stderr)
+ retcode = e.errno
+
+ return retcode
+
+def main():
+ """Main program
+ Usage: rgbpm2 [-h] [-v] folder [folder ...]
+ """
+ # dict: file extension, loudgain cmdline args (use lowercase extensions)
+ # see `loudgain -h` for an explanation of options
+ # '.mp4' deliberately left out: these are doable but usually videos
+ extensions = {
+ '.flac': ['-a', '-k', '-s', 'e'],
+ '.ogg': ['-a', '-k', '-s', 'e'],
+ '.oga': ['-a', '-k', '-s', 'e'],
+ '.spx': ['-a', '-k', '-s', 'e'],
+ '.opus': ['-a', '-k', '-s', 'e'],
+ '.mp2': ['-I', '3', '-S', '-L', '-a', '-k', '-s', 'e'],
+ '.mp3': ['-I', '3', '-S', '-L', '-a', '-k', '-s', 'e'],
+ '.m4a': ['-L', '-a', '-k', '-s', 'e'],
+ '.wma': ['-L', '-a', '-k', '-s', 'e'],
+ '.asf': ['-L', '-a', '-k', '-s', 'e'],
+ '.wav': ['-I', '3', '-L', '-a', '-k', '-s', 'e'],
+ '.aif': ['-I', '3', '-L', '-a', '-k', '-s', 'e'],
+ '.aiff': ['-I', '3', '-L', '-a', '-k', '-s', 'e'],
+ '.wv': ['-S', '-a', '-k', '-s', 'e'],
+ '.ape': ['-S', '-a', '-k', '-s', 'e']
+ }
+
+ # exclude all folders ending in '[compilations]'
+ # special characters masked in [] (glob/fnmatch syntax)
+ excludes = ['*[[]compilations[]]']
+
+ parser = argparse.ArgumentParser(
+ description='ReplayGain album folders recursively, using loudgain.\n' +
+ 'Files of the same type in the same folder are '
+ 'considered an album.\n \n' +
+ textwrap.fill("Supported audio file types: " +
+ ", ".join(sorted(extensions)), 75),
+ epilog='Please report any issues to '
+ 'https://github.com/Moonbase59/loudgain/issues.',
+ formatter_class=argparse.RawDescriptionHelpFormatter)
+ parser.add_argument('-v', '--version', action='version',
+ version='%(prog)s ' + __version__)
+ parser.add_argument('-n', '--numproc', type=int, choices=range(1, 33),
+ metavar='1..32', default=multiprocessing.cpu_count(),
+ help='set max. number of parallel processes (default: %(default)d)')
+ parser.add_argument('-f', '--follow-links', action='store_true',
+ help='follow links (default: %(default)s); use with care!')
+ parser.add_argument('folder', nargs='+',
+ help='Path of a folder of audio files.')
+ args = parser.parse_args()
+
+ # set number of parallel processes to use
+ numproc = min(args.numproc, multiprocessing.cpu_count())
+
+ # First, check if loudgain exists and show some info
+ try:
+ output = subprocess.check_output(["loudgain", "--version"],
+ stderr=subprocess.STDOUT)
+ print("Using loudgain v{}, max. {} parallel processes.".format(
+ output.split()[1], numproc))
+ except OSError as e:
+ if e.errno == errno.ENOENT:
+ # handle file not found error.
+ print("loudgain executable not found; this is required",
+ file=sys.stderr)
+ exit(1)
+ else:
+ # Something else went wrong while trying to run `loudgain`
+ raise
+
+ # Traverse folders, set up list of files.
+ # dict: {folder: {filetype: [files]}}
+ cluster = dict()
+ for folder in args.folder:
+ for root, dirs, files in os.walk(os.path.abspath(os.path.join(
+ os.getcwd(), folder)), followlinks=args.follow_links, topdown=True):
+ # remove excluded dirs "in-place", only if topdown=True (default)
+ for exclude in excludes:
+ for dir in dirs:
+ if fnmatch.fnmatch(dir, exclude):
+ print("Excluding {}".format(os.path.join(root, dir)))
+ dirs.remove(dir)
+ # add files with known extensions to cluster
+ for file in files:
+ fileName, fileExt = os.path.splitext(file)
+ if fileExt.lower() in extensions:
+ cluster.setdefault(root, {}).setdefault(fileExt.lower(),
+ []).append(file)
+
+ # set up the tasks for multiprocesssing
+ # a task is one loudgain invocation (one folder, same file type)
+ tasks = []
+ for folder in cluster:
+ for ext in cluster[folder]:
+ filelist = []
+ for file in cluster[folder][ext]:
+ filelist.append(os.path.join(folder, file))
+ tasks.append([folder] + [ext] + extensions[ext] + filelist)
+
+ # Set up the parallel task pool
+ # The initializer function prevents child processes from being aborted
+ # by KeyboardInterrupt (Ctrl+C).
+ pool = multiprocessing.Pool(processes=numproc, initializer=init_worker)
+
+ # Run the jobs
+ # The key magic is that we must call results.get() with a timeout, because
+ # a Condition.wait() without a timeout swallows KeyboardInterrupts.
+ results = pool.map_async(loudgain, tasks)
+
+ while not results.ready():
+ try:
+ results.wait(timeout=1)
+ except KeyboardInterrupt:
+ pool.terminate()
+ pool.join()
+ print("KeyboardInterrupt, all processes aborted!", file=sys.stderr)
+ exit(1)
+
+ # print(results.get())
+ if not all(ret == 0 for ret in results.get()):
+ print("Errors occurred!", file=sys.stderr)
+
+
+__version_info__ = ('0', '14')
+__version__ = '.'.join(__version_info__)
+
+APPNAME = "rgbpm2 " + __version__
+LICENSE = "MIT"
+
+if __name__ == '__main__':
+ main()
https://github.com/Moonbase59/loudgain/commit/41311d5a889aeb40f83fa4283f152d9e23e53a67
From 41311d5a889aeb40f83fa4283f152d9e23e53a67 Mon Sep 17 00:00:00 2001
From: Moonbase59 <moonbase@quantentunnel.de>
Date: Thu, 31 Oct 2019 00:37:59 +0100
Subject: [PATCH] Flush prints to stdout so they're not buffered
---
bin/rgbpm2 | 3 +++
1 file changed, 3 insertions(+)
diff --git a/bin/rgbpm2 b/bin/rgbpm2
index 0080a9a..4c47fea 100755
--- a/bin/rgbpm2
+++ b/bin/rgbpm2
@@ -29,6 +29,7 @@ def loudgain(args):
"""
print("Working on {} ...".format(os.path.abspath(os.path.join(args[0],
'*' + args[1]))))
+ sys.stdout.flush()
try:
retcode = subprocess.check_call(['loudgain', '-q'] + args[2:],
stdout=open(os.devnull, 'wb'))
@@ -105,6 +106,7 @@ def main():
stderr=subprocess.STDOUT)
print("Using loudgain v{}, max. {} parallel processes.".format(
output.split()[1], numproc))
+ sys.stdout.flush()
except OSError as e:
if e.errno == errno.ENOENT:
# handle file not found error.
@@ -126,6 +128,7 @@ def main():
for dir in dirs:
if fnmatch.fnmatch(dir, exclude):
print("Excluding {}".format(os.path.join(root, dir)))
+ sys.stdout.flush()
dirs.remove(dir)
# add files with known extensions to cluster
for file in files:
|
