440 lines
15 KiB
Python
Executable File
440 lines
15 KiB
Python
Executable File
#!/usr/bin/env python3
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import subprocess
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import tempfile
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import argparse
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import logging
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import re
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from pathlib import Path
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from typing import Any
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from collections import defaultdict
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RED = "\033[91m"
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GREEN = "\033[92m"
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YELLOW = "\033[93m"
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BLUE = "\033[94m"
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RESET = "\033[0m"
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logger = logging.getLogger(__name__)
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audio_extensions = {
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"*.m4b",
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"*.m4a",
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"*.mp3",
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"*.flac",
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"*.ogg",
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"*.opus"
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}
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class Audiobook():
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def __init__(self, bookPath: Path) -> None:
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self.bookPath = bookPath
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self.files = [file for pattern in audio_extensions for file in
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bookPath.glob(pattern)]
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self.firstFile = self.get_first_file()
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self.size = sum(file.stat().st_size for pattern in audio_extensions for file in
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bookPath.glob(pattern))
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self.fileConunt = len(self.files)
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self.singleFile = self.fileConunt > 1
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# Metadata
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self.loadMetadata()
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logger.info(f"Found {self.bookPath.name}, {self.fileConunt} files")
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def __repr__(self):
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return (
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f"Audiobook("
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f"name={self.name!r}, "
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f"artist={self.artist!r}, "
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f"composer={self.composer!r}, "
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f"path={str(self.bookPath)!r}),"
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f"size={self.size!r}, "
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f"fileConunt={self.fileConunt!r}, "
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)
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def get_first_file(self):
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return self.files[0]
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def loadMetadata(self):
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fields = ["artist", "album", "composer", "comment", "genre"]
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metadata = self.get_metadata(self.get_first_file(), fields )
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self.artist = metadata["artist"]
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self.name = metadata["album"]
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self.composer = metadata["composer"]
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self.comment = metadata["comment"]
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self.genre = metadata["genre"]
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def get_metadata(self, file, fields):
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metadata=dict.fromkeys(fields, "")
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for field in fields:
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cmd= (["kid3-cli", "-c", f"get {field}", str(file)])
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try:
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result = subprocess.run(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.DEVNULL,
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text=True,
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check=True,
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)
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metadata[field] = result.stdout.strip()
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except (OSError, subprocess.SubprocessError) as error:
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print(f"Error getting metadata for {file}: {error}")
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return metadata
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return metadata
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def write_metadata(self, file, fields, values):
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metadata=dict.fromkeys(fields, "")
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for field,value in fields,values:
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cmd= (["kid3-cli", "-c" , "tag 2","-c", f"set {field} \"{value}\"", "-c" "save", str(file)])
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try:
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result = subprocess.run(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.DEVNULL,
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text=True,
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check=True,
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)
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except (OSError, subprocess.SubprocessError) as error:
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print(f"Error writing metadata for {file}: {error}")
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return
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return
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def fixComposer(self):
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if not self.composer:
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m = re.search(
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r"(?:read\s+by|spoken\s+by|narrated\s+by|gesprochen\s+von|gelesen\s+von)\s+([^\n.,;]+)",
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self.comment,
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re.IGNORECASE,
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)
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if not m:
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logger.info(f"No composer found for {self.bookPath}")
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return
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logger.info(f"[Updated] composer found for {self.bookPath}")
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self.composer = m.group(1).strip()
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self.comment = (self.comment[:m.start()] + self.comment[m.end():] ).strip(" .,;\n")
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self.comment = re.sub(r"\s+"," ",self.comment)
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def fixName(self):
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if not self.name:
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self.name = self.bookPath.name
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logger.info(f"[Updated] name found for {self.bookPath}")
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def clean_genre(self,genre):
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if not self.genre:
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return
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genre = self.genre.lower()
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genre = re.sub(r'(?i)^audio\s*books?$', '', genre)
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genre = re.sub(r'(?i)^audiobooks?;?$', '', genre)
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genre = re.sub(r'(?i)\b(hörb(uch|ücher)|hoerb(uch|uecher))\b', '', genre)
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genre = re.sub(r'(?i)^(hörspiele?|hoerspiele?)$', '', genre)
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genre = re.sub(r'(?i)^spoken\s*word$', '', genre)
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genre = re.sub(r'(?i)gesprochene\s*inhalte$', '', genre)
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genre = re.sub(r'(?i)^speech$', '', genre)
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genre = re.sub(r'Fanasie', 'Fantasie', genre)
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genre = re.sub(r'Mit Videospiel-?', 'Videospielbezug', genre)
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genre = re.sub(r'(?i)nonfiction', 'NonFiction', genre)
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genre = re.sub(r'(?i)^speech$', '', genre)
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genre = re.sub(r'(?i)^vocal$', '', genre)
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genre = re.sub(r'(?i)^retail$', '', genre)
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genre = re.sub(r'(?i)^other$', '', genre)
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genre = re.sub(r'(?i)^misc$', '', genre)
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genre = re.sub(r'(?i)^(sci[- ]?fi|sf)$', 'Science Fiction', genre)
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genre = re.sub(r'(?i)^\(?science fiction\)?$', 'Science Fiction', genre)
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genre = re.sub(r'Thrillers', 'Thriller', genre)
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genre = re.sub(r"(?i)\bchildren'?s audiobooks?\b", "", genre)
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genre = re.sub(r'^-\s*|\s*-$', '', genre)
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genre = re.sub(r'(?i)Engelske\s*\sLydbånd', '', genre)
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genre = re.sub(r'^FIC028000.*$', '', genre)
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genre = re.sub(r'^800.*$', '', genre)
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genre = re.sub(r'^Fantastic Beasts.*$', '', genre)
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genre = re.sub(r'^and thei.*$', '', genre)
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genre = re.sub(r'^those you.*$', '', genre)
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# Normalize separators
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genre = re.sub(r'\s*[,&:/]\s*',';',genre)
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genre = re.sub(r'\s*;\s*','; ',genre)
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# Trim punctuation / whitespace
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genre = re.sub(r'^[\s,;:\-]+','',genre)
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genre = re.sub(r'[\s,;\-]+$','',genre)
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genre = genre.strip()
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self.genre = genre.lstrip()
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return
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def create_m4b(self, root_path) -> None:
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output_file_final = self.bookPath / f"{self.bookPath.name}.m4b"
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if output_file_final.exists():
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logger.info(f"{RED}[SKIP]{RESET} {output_file_final}")
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logger.info("Book already present")
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return
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logger.info(f"[CREATE] {output_file_final}")
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with (tempfile.TemporaryDirectory(dir=root_path.parent) as tmp):
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tmpdir = Path(tmp)
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output_file_tmp = tmpdir / f"{self.bookPath.name}.m4b"
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concat_file = tmpdir / "concat.txt"
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metadata_file = tmpdir / "chapters.txt"
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current_ms = 0
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with concat_file.open("w", encoding="utf-8") as cf, \
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metadata_file.open("w", encoding="utf-8") as mf:
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mf.write(";FFMETADATA1\n")
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for media in self.files:
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cf.write(f"file '{ffmpeg_escape(media)}'\n")
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duration_ms = self.get_duration_ms(media)
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mf.write("[CHAPTER]\n")
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mf.write("TIMEBASE=1/1000\n")
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mf.write(f"START={current_ms}\n")
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mf.write(f"END={current_ms + duration_ms}\n")
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mf.write(f"title={media.stem}\n")
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current_ms += duration_ms
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cmd_backup = ["ffmpeg", "-y", "-f", "concat", "-safe", "0",
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"-i", str(concat_file), "-i", str(metadata_file),
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# cover from first media
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"-i", str(self.firstFile),
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# audio from concat
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"-map", "0:a",
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# cover image from first media
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"-map", "2:v?",
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# copy artist/album/composer/etc from first media file
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"-map_metadata", "2",
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# copy chapters from ffmetadata
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"-map_chapters", "1",
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"-c:a", "copy",
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"-c:a", "aac",
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"-b:a", "128k",
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# copy cover image without re-encoding
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"-c:v", "copy", "-disposition:v:0", "attached_pic",
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str(output_file_tmp),
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]
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cmd_default = ["ffmpeg", "-y", "-f", "concat", "-safe", "0",
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"-i", str(concat_file), "-i", str(metadata_file),
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# cover from first media
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"-i", str(self.firstFile),
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# audio from concat
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"-map", "0:a",
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# cover image from first media
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"-map", "2:v?",
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# copy artist/album/composer/etc from first media file
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"-map_metadata", "2",
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# copy chapters from ffmetadata
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"-map_chapters", "1",
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"-c:a", "copy",
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# copy cover image without re-encoding
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"-c:v", "copy", "-disposition:v:0", "attached_pic",
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str(output_file_tmp),
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]
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result = subprocess.run(
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cmd_default,
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capture_output=True,
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text=True,
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)
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logger.info(result.stdout)
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if result.returncode == 234:
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logger.warning(
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f"{YELLOW}[WARNING]{RESET} - {self.bookPath.name} - {result.returncode} retrying with aac encoder")
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result = subprocess.run(
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cmd_backup,
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capture_output=True,
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text=True,
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)
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logger.info(result.stdout)
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if result.returncode == 0:
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output_file_tmp.rename(output_file_final)
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for media in self.files:
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media.unlink()
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self.files = Path(output_file_final)
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self.firstFile = Path(output_file_final)
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self.fileConunt = 1
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self.singleFile = True
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self.size = Path(output_file_final).stat().st_size
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logger.info(f"{GREEN}[SUCCESS]{RESET} - {self.bookPath.name} - delete media files")
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else:
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logger.error(
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f"{RED}[ERROR]{RESET} - {self.bookPath.name} - Code: {result.returncode}, Stderr: {result.stderr}")
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def get_duration_ms(self,media: Path) -> int:
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duration = subprocess.check_output(
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[
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"ffprobe",
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"-v",
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"error",
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"-show_entries",
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"format=duration",
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"-of",
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"default=noprint_wrappers=1:nokey=1",
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str(media),
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],
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text=True,
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).strip()
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return int(float(duration) * 1000)
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class AudiobookLibrary:
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def __init__(self, libraryPath,logfilename: str="audiobook_library.log"):
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logging.basicConfig(
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level=logging.INFO,
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format="%(asctime)s %(levelname)s %(message)s",
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handlers=[
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logging.FileHandler(logfilename),
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logging.StreamHandler()
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]
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)
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logger.info('Started')
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self.libraryPath = Path(libraryPath)
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self.audiobooks = []
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self._by_path = {}
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self._by_name = defaultdict(list)
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self._by_artist = defaultdict(list)
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self._by_composer = defaultdict(list)
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self.loadAudiobooksFromDir()
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self.size = sum( audiobook.size for audiobook in self.audiobooks ) # size in bytes
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def add(self, book: Audiobook):
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self.audiobooks.append(book)
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self._by_path[book.bookPath] = book
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self._by_name[book.name].append(book)
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if book.artist:
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self._by_artist[book.artist].append(book)
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if book.composer:
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self._by_composer[book.composer].append(book)
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def printName(self, books):
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if not isinstance(books, list):
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books = [books]
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for book in books:
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if book.name:
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logger.info(book.name)
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else:
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logger.info(f"No name in {book.bookPath.name}")
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def get_by_path(self, path):
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return self._by_path.get(Path(path))
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def get_by_name(self, name):
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return self._by_name.get(name, [])
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def get_by_artist(self, artist):
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return self._by_artist.get(artist, [])
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def get_by_composer(self, composer):
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return self._by_artist.get(composer, [])
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def find_name_contains(self, text):
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text = text.lower()
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return [
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book
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for book in self.audiobooks
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if text in book.name.lower()
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]
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def find_artist_contains(self, text):
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text = text.lower()
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return [
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book
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for book in self.audiobooks
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if book.artist and text in book.artist.lower()
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]
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def loadAudiobooksFromDir(self) -> tuple[list[Any], int]:
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"""
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A book directory is any directory containing more than one
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audiobook file (.mp3, .m4a, .m4b)
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"""
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media_files = []
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for ext in audio_extensions:
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media_files.extend(list(self.libraryPath.rglob( ext)) )
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dirs = {file.parent for file in media_files}
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for directory in dirs:
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self.add(Audiobook(directory))
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def loadMetadata(self):
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for audiobook in self.audiobooks:
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audiobook.loadMetadata()
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def fixComposers(self):
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for book in self.audiobooks:
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book.fixComposer()
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def fixNames(self):
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for book in self.audiobooks:
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book.fixName()
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def fixComments(self):
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for book in self.audiobooks:
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if len(book.comment) < 40:
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logger.info(f"Remove short comment: {book.comment} of {book.name}")
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book.comment = ""
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def ffmpeg_escape(path: Path) -> str:
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return str(path.resolve()).replace("'", r"'\''")
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def main():
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parser = argparse.ArgumentParser(
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description="Audiobook Directory Processing"
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)
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parser.add_argument(
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"library",
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type=Path,
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help="Library path"
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)
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args = parser.parse_args()
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library_dir = args.library
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library = AudiobookLibrary(library_dir)
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library.fixComposers()
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library.fixNames()
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library.fixComments()
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library.printName(library.get_by_artist("Astrid Lindgren"))
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library.printName(library.find_artist_contains("Astrid Lindgren"))
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library.printName(library.get_by_name("Pippi Langstrumpf"))
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library.printName(library.find_name_contains("Pippi Langstrumpf"))
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library.printName(library.get_by_composer("Heike Maklatsch"))
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# library.printName(library.get_by_path("/home/lucas/Nextcloud/Audiobooks/Neu/Astrid Lindgren/Junker Nils von Eka (Hoerfest)"))
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for audiobook in library.audiobooks:
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first_file = audio_files[0]
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artist = get_metadata("artist", first_file)
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album = get_metadata("album", first_file)
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composer = get_metadata("composer", first_file)
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comment = get_metadata("comment", first_file)
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print("====≠===============================")
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print(f"Folder: {library_dir.name}")
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print(f"Album: {album}")
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print(f"Artist: {artist}")
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print(f"Narrator: {composer}")
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print(f"Comment: {comment}")
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if __name__ == "__main__":
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main() |