45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
__author__ = "asantoni"
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import subprocess
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from typing import Any, Dict
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from loguru import logger
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class UnplayableFileError(Exception):
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pass
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LIQUIDSOAP_EXECUTABLE = "liquidsoap"
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def analyze_playability(filename: str, metadata: Dict[str, Any]):
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"""Checks if a file can be played by Liquidsoap.
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:param filename: The full path to the file to analyzer
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:param metadata: A metadata dictionary where the results will be put
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:return: The metadata dictionary
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"""
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command = [
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LIQUIDSOAP_EXECUTABLE,
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"-v",
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"-c",
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"output.dummy(audio_to_stereo(single(argv(1))))",
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"--",
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filename,
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]
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try:
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subprocess.check_output(command, stderr=subprocess.STDOUT, close_fds=True)
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except OSError as exception: # liquidsoap was not found
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logger.warning(
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f"Failed to run: {command[0]} - {exception}. Is liquidsoap installed?"
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)
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except (
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subprocess.CalledProcessError,
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Exception,
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) as exception: # liquidsoap returned an error code
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logger.warning(exception)
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raise UnplayableFileError() from exception
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return metadata
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