sintonia/analyzer/libretime_analyzer/pipeline/analyze_playability.py
Jonas L cba905e367
refactor(analyzer): improve analyzer pipeline module (#1542)
* rename steps to pipeline module

* move pipeline entrypoint to pipeline module

* rename steps test module to pipeline

* fix paths after renames

* move step protocol to pipeline

* create pipeline status enum

* use Protocol from typing extensions

* Fix linting
2022-01-28 07:09:19 +02:00

45 lines
1.1 KiB
Python

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