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@ -2,7 +2,7 @@ from pathlib import Path
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import shutil
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import subprocess
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from multiprocessing import Pool
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from . import Track
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from . import File
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class Transcoder:
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@ -16,29 +16,18 @@ class Transcoder:
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transcode_list = []
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for artist in self.input_root.iterdir():
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if artist.is_dir():
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artist_out = Path(self.output_root) / artist.name
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artist_out.mkdir()
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for album in artist.iterdir():
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if album.is_dir():
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album_out = artist_out / album.parts[-1]
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if album_out.exists():
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print(f"Skipping '{artist.parts[-1]} / {album.parts[-1]}'")
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else:
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album_out.mkdir()
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done_file = album / 'DONE'
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open(done_file, 'a').close()
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self.copy_album_art(album, album_out)
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for file in album.iterdir():
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if file.is_file() and file.suffix.lower() == '.flac':
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transcode_list.append(Track(file))
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if file.is_file():
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transcode_list.append(File(file))
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else:
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print(f"Warning, skipping non-dir '{album}' found in artist '{artist.parts[-1]}'")
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continue
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else:
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print(f"Warning, skipping non-dir '{artist}' found in root")
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continue
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self._transcode_single_thread(transcode_list, self.encoder)
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#self._transcode(transcode_list, self.encoder)
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self._transcode(transcode_list, self.encoder)
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def _transcode(self, transcode_list: list, encoder: Path, workers=16):
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worker_args = [(track, encoder) for track in transcode_list]
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@ -52,13 +41,36 @@ class Transcoder:
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def _transcode_single_thread(self, transcode_list: list, encoder: Path):
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worker_args = [(track, encoder) for track in transcode_list]
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for args in worker_args:
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print(f"{args[0]}")
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self.transcode_worker(*args)
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print(self.transcode_worker(*args))
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def transcode_worker(self, track, encoder):
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if track.is_art:
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return self.copy_album_art(track)
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elif track.is_audio:
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return self.transcode_audio(track, encoder)
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else:
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return f"File {track.path} ignored"
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def copy_album_art(self, file: File):
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self.create_directories(file)
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output_path = file.output_file(self.output_root, file.extension[1:])
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if output_path.exists():
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return f"Skipped {output_path}"
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try:
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shutil.copy(file.path, output_path)
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return f"Successfully copied {output_path}"
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except FileExistsError:
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pass
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except Exception:
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return f"{file.path} failed to copy"
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def transcode_audio(self, track, encoder):
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enc_filename = encoder.parts[-1]
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track_output = track.output_file(self.output_root, self.extension)
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if track_output.exists():
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return f"Skipped {track_output}"
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self.create_directories(track)
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if enc_filename == "opusenc.exe":
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additional_args = ('--bitrate', '128', '--music')
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subprocess_args = (str(encoder),) + additional_args + (str(track.path), str(track_output))
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@ -71,18 +83,14 @@ class Transcoder:
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except Exception:
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return f"ERROR: Transcoding of '{track}' failed."
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@staticmethod
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def copy_album_art(in_dir: Path, out_dir: Path, file_whitelist: list = None):
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if file_whitelist is None:
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file_whitelist = ['.jpg', '.jpeg', '.png']
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art_file_name = "cover.jpg"
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art_found = False
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for file in in_dir.iterdir():
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if file.is_file() and file.suffix.lower() in file_whitelist:
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if file.name == art_file_name:
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art_found = True
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shutil.copy(file, out_dir / file.name)
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if not art_found:
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print(f"Warning: {art_file_name} not found in {in_dir}")
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def create_directories(self, track: File):
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if not track.artist_out(self.output_root).exists():
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try:
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track.artist_out(self.output_root).mkdir()
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except FileExistsError:
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pass
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if not track.album_out(self.output_root).exists():
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try:
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track.album_out(self.output_root).mkdir()
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except FileExistsError:
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pass
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