145 lines
3.8 KiB
Python
145 lines
3.8 KiB
Python
from __future__ import (absolute_import, division, print_function)
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import os
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import subprocess
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from ranger.api.commands import Command
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class lame_base(Command):
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# The so-called doc-string of the class will be visible in the built-in
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# help that is accessible by typing "?c" inside ranger.
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""":lame_base <filename>
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Not really used directly, so don't!
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"""
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# The execute method is called when you run this command in ranger.
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def execute(self):
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# Do the sox stuff
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self.perform_on_selected_files()
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# Unmark files when done
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self.fm.thisdir.mark_all(False)
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def lamecommand(self, fn):
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suffix = "_320"
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newfn = self.filename_with(suffix, fn)
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# The sox operation being used
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param = f"--preset insane"
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# The full command
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command = f"lame {param} '{fn}' '{newfn}'"
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return command
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def filename_with(self, tag, filename, newsuffix=".mp3"):
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from pathlib import Path
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infile = Path(filename)
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fn = Path(infile.stem + tag + newsuffix)
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fn = infile.parent.joinpath(fn)
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return fn
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def perform_on_selected_files(self):
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for file in self.fm.thisdir.get_selection():
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file = file.path
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# Make sure the file exists
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if not os.path.exists(file):
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self.fm.notify("The given file does not exist!", bad=True)
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return
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command = self.lamecommand(file)
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self.fm.notify("Executing: " + command + "!")
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# execute the command
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self.fm.execute_command(
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command,
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universal_newlines=True,
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stdout=subprocess.PIPE)
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class mp3insane(lame_base):
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""":mp3insane <filename>
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Convert to mp3 using lame preset "insane", CBR 320KBPS
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This preset will usually be overkill for most people and most
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situations, but if you must have the absolute highest quality
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with no regard to filesize, this is the way to go.
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"""
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def lamecommand(self, fn):
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suffix = "_insane"
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newfn = self.filename_with(suffix, fn)
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# The sox operation being used
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param = f"--preset insane"
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# The full command
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command = f"lame {param} '{fn}' '{newfn}'"
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return command
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class mp3extreme(lame_base):
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""":mp3extreme <filename>
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Convert to mp3 using lame preset "extreme"
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If you have extremely good hearing and similar equipment, this
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preset will generally provide slightly higher quality than the
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standard mode.
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"""
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def lamecommand(self, fn):
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suffix = "_extreme"
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newfn = self.filename_with(suffix, fn)
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# The sox operation being used
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param = f"--preset extreme"
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# The full command
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command = f"lame {param} '{fn}' '{newfn}'"
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return command
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class mp3medium(lame_base):
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""":mp3medium <filename>
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Convert to mp3 using lame preset "medium", VBR mode
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This preset should provide near transparency to most people on
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most music.
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"""
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def lamecommand(self, fn):
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suffix = "_medium"
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newfn = self.filename_with(suffix, fn)
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# The sox operation being used
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param = f"--preset medium"
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# The full command
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command = f"lame {param} '{fn}' '{newfn}'"
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return command
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class mp3(lame_base):
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""":mp3 <filename>
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Convert to mp3 using the standard preset, VBR mode
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This preset should generally be transparent to most people on
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most music and is already quite high in quality.
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"""
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def lamecommand(self, fn):
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suffix = "_standard"
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newfn = self.filename_with(suffix, fn)
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# The sox operation being used
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param = f"--preset standard"
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# The full command
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command = f"lame {param} '{fn}' '{newfn}'"
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return command
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