mirror of
https://github.com/KevinMidboe/spotify-downloader.git
synced 2025-10-29 18:00:15 +00:00
109 lines
3.5 KiB
Python
109 lines
3.5 KiB
Python
import tqdm
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import urllib.request
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import subprocess
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import sys
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from spotdl.encode.encoders import EncoderFFmpeg
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from spotdl.metadata.embedders import EmbedderDefault
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import spotdl.util
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CHUNK_SIZE = 16 * 1024
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class Track:
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def __init__(self, metadata, cache_albumart=False):
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self.metadata = metadata
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self._chunksize = CHUNK_SIZE
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if cache_albumart:
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self._albumart_thread = self._cache_albumart()
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self._cache_albumart = cache_albumart
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def _cache_albumart(self):
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albumart_thread = spotdl.util.ThreadWithReturnValue(
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target=lambda url: urllib.request.urlopen(url).read(),
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args=(self.metadata["album"]["images"][0]["url"],)
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)
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albumart_thread.start()
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return albumart_thread
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def calculate_total_chunks(self, filesize):
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return (filesize // self._chunksize) + 1
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def make_progress_bar(self, total_chunks):
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progress_bar = tqdm.trange(
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total_chunks,
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unit_scale=(self._chunksize // 1024),
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unit="KiB",
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dynamic_ncols=True,
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bar_format='{desc}: {percentage:3.0f}%|{bar}| {n_fmt}/{total_fmt}KiB '
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'[{elapsed}<{remaining}, {rate_fmt}{postfix}]',
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)
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return progress_bar
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def download_while_re_encoding(self, stream, target_path, target_encoding=None,
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encoder=EncoderFFmpeg(), show_progress=True):
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total_chunks = self.calculate_total_chunks(stream["filesize"])
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process = encoder.re_encode_from_stdin(
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stream["encoding"],
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target_path,
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target_encoding=target_encoding
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)
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response = stream["connection"]
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progress_bar = self.make_progress_bar(total_chunks)
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for _ in progress_bar:
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chunk = response.read(self._chunksize)
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process.stdin.write(chunk)
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process.stdin.close()
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process.wait()
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def download(self, stream, target_path, show_progress=True):
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total_chunks = self.calculate_total_chunks(stream["filesize"])
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progress_bar = self.make_progress_bar(total_chunks)
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response = stream["connection"]
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if target_path == "-":
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# Target is STDOUT
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for _ in progress_bar:
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chunk = response.read(self._chunksize)
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sys.stdout.buffer.write(chunk)
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else:
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with open(target_path, "wb") as fout:
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for _ in progress_bar:
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chunk = response.read(self._chunksize)
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fout.write(chunk)
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def re_encode(self, input_path, target_path, target_encoding=None,
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encoder=EncoderFFmpeg(), show_progress=True):
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stream = self.metadata["streams"].getbest()
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total_chunks = self.calculate_total_chunks(stream["filesize"])
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process = encoder.re_encode_from_stdin(
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stream["encoding"],
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target_path,
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target_encoding=target_encoding
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)
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with open(input_path, "rb") as fin:
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for _ in tqdm.trange(total_chunks):
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chunk = fin.read(self._chunksize)
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process.stdin.write(chunk)
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process.stdin.close()
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process.wait()
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def apply_metadata(self, input_path, encoding=None, embedder=EmbedderDefault()):
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if self._cache_albumart:
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albumart = self._albumart_thread.join()
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else:
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albumart = None
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embedder.apply_metadata(
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input_path,
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self.metadata,
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cached_albumart=albumart,
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encoding=encoding,
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)
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