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22 lines
433 B
Python
22 lines
433 B
Python
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from __future__ import annotations
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import os
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# types
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if False:
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from typing import IO
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trace_file: IO[str] | None = None
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if trace_filename := os.environ.get("PYREPL_TRACE"):
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trace_file = open(trace_filename, "a")
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def trace(line: str, *k: object, **kw: object) -> None:
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if trace_file is None:
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return
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if k or kw:
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line = line.format(*k, **kw)
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trace_file.write(line + "\n")
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trace_file.flush()
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