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23 lines
566 B
Python
23 lines
566 B
Python
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def is_fp_closed(obj):
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"""
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Checks whether a given file-like object is closed.
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:param obj:
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The file-like object to check.
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"""
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try:
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# Check via the official file-like-object way.
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return obj.closed
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except AttributeError:
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pass
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try:
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# Check if the object is a container for another file-like object that
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# gets released on exhaustion (e.g. HTTPResponse).
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return obj.fp is None
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except AttributeError:
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pass
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raise ValueError("Unable to determine whether fp is closed.")
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