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30 lines
925 B
Python
Executable File
30 lines
925 B
Python
Executable File
import json
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import subprocess
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class ProbeException(Exception):
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def __init__(self, stderr_output):
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super(ProbeException, self).__init__('ffprobe error')
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self.stderr_output = stderr_output
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def probe(filename):
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"""Run ffprobe on the specified file and return a JSON representation of the output.
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Raises:
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ProbeException: if ffprobe returns a non-zero exit code, a ``ProbeException`` is returned with a generic error
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message. The stderr output can be retrieved by accessing the ``stderr_output`` property of the exception.
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"""
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args = ['ffprobe', '-show_format', '-show_streams', '-of', 'json', filename]
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p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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out, err = p.communicate()
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if p.returncode != 0:
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raise ProbeException(err)
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return json.loads(out.decode('utf-8'))
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__all__ = [
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'probe',
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'ProbeException',
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]
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