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Remove use of shell=True with Popen

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This commit is contained in:
RandyTheSilly
2024-03-24 16:41:29 -04:00
parent 7411af721d
commit 3865e91517
1 changed files with 11 additions and 17 deletions
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lib/flac2pod.py
+11 -17
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@@ -1,11 +1,12 @@
#!/usr/bin/env python3
from argparse import ArgumentParser
from posixpath import join
from mutagen.flac import FLAC
from os import cpu_count, getuid, listdir, path, stat, walk
from pathlib import Path
from shutil import copy
from subprocess import check_output, Popen
from subprocess import check_output, DEVNULL, Popen
from sys import exit as s_exit
from time import sleep
@@ -61,20 +62,14 @@ def scan_destination_convert():
print(f"[{_file}] Not a FLAC file, copying...")
copy(f"{_file}", f"{_file.replace(path.expanduser(source), path.expanduser(destination))}")
else:
_file_s = _file.replace(' ', '\\ ').replace("'", "\\'").replace(')', '\\)').replace('(', '\\(') \
.replace(']', '\\]').replace('[', '\\[').replace('&', '\\&').replace('`', '\\`') \
.replace('$', '\\$')
_file_d = _file.replace(path.expanduser(source), path.expanduser(destination)).replace(' ', '\\ ') \
.replace("'", "\\'").replace(')', '\\)').replace('(', '\\(').replace(']', '\\]') \
.replace('[', '\\[').replace('&', '\\&').replace('`', '\\`').replace('$', '\\$')[
:-5] + '.m4a'
_file_d = _file.replace(path.expanduser(source), path.expanduser(destination))[:-5] + '.m4a'
_active_processes = count_user_ffmpeg_processes()
while _active_processes >= cpu_count():
print(f"\nThere are already {_active_processes} processes running on your {cpu_count()} threads...\n")
sleep(1)
_active_processes = count_user_ffmpeg_processes()
_i += 1
print(f"\n{_progress}% | \u001b[38;5;0;48;5;15mConverting {_file_s} to {_file_d}...\u001b[0m\n")
print(f"\n{_progress}% | \u001b[38;5;0;48;5;15mConverting {_file} to {_file_d}...\u001b[0m\n")
# get relevant ReplayGain info
_audio = FLAC(f"{_file}")
if args.albumgain:
@@ -105,25 +100,24 @@ def scan_destination_convert():
_rgpeak = None
# determine ffmpeg arguments
if args.bake and _rggain is not None:
_bake_args, _flac2pod_rg_tags = '-filter:a "volume=' + str(_rggain) + 'dB"', ''
_bake_args, _flac2pod_rg_tags = ['-filter:a', 'volume=' + str(_rggain) + 'dB'], []
elif _rggain is not None and _rgpeak is not None:
_bake_args, _flac2pod_rg_tags = '', f"-metadata comment='FLAC2PODRG#{_rggain}#{_rgpeak}#'"
_bake_args, _flac2pod_rg_tags = [], ['-metadata', f"comment=FLAC2PODRG#{_rggain}#{_rgpeak}#"]
else:
_bake_args, _flac2pod_rg_tags = '', ''
_bake_args, _flac2pod_rg_tags = [], []
if args.preserve:
_art_args = '-c:v copy -map_metadata 0:g'
_art_args = ['-c:v', 'copy', '-map_metadata', '0:g']
else:
_art_args = '-vn'
_art_args = ['-vn']
# generate the appropriate ffmpeg command
_cmd = f"screen -DmS flac2pod{_i} ffmpeg -i {_file_s} {_art_args} -c:a aac -b:a 256k {_bake_args} " \
f"{_flac2pod_rg_tags} -aac_pns 0 -movflags +faststart {_file_d} </dev/null"
_cmd = ['ffmpeg', '-i', _file] + _art_args + ['-c:a', 'aac', '-b:a', '256k'] + _bake_args + _flac2pod_rg_tags + ['-aac_pns', '0', '-movflags', '+faststart', _file_d]
if _rggain is not None:
print(f"\u001b[38;5;0;48;5;15mGain adjustment: {_rggain}dB\u001b[0m")
else:
print(f"\u001b[38;5;0;48;5;88mNo ReplayGain data found!\u001b[0m")
if args.stopifnogain:
s_exit(1)
Popen(_cmd, shell=True)
Popen(['screen', '-DmS', f"flac2pod{_i}"] + _cmd)
_active_processes = count_user_ffmpeg_processes()
while _active_processes != 0:
print('\nPlease wait for the remaining conversions to complete...\n')