25 lines
778 B
Python
25 lines
778 B
Python
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from __future__ import annotations
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def tracemalloc_message(source: object) -> str:
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if source is None:
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return ""
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try:
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import tracemalloc
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except ImportError:
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return ""
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tb = tracemalloc.get_object_traceback(source)
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if tb is not None:
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formatted_tb = "\n".join(tb.format())
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# Use a leading new line to better separate the (large) output
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# from the traceback to the previous warning text.
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return f"\nObject allocated at:\n{formatted_tb}"
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# No need for a leading new line.
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url = "https://docs.pytest.org/en/stable/how-to/capture-warnings.html#resource-warnings"
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return (
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"Enable tracemalloc to get traceback where the object was allocated.\n"
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f"See {url} for more info."
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)
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