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youknowdot
1ffba21557
Regenerate nine canonical modules using scripts/update_lib at CPython 3.15.0 d220409a13b77de7a6c30abe16ea90db01528edc. Keep the discovery package split out until its missing test family is available. AI-assisted source selection, synchronization, review and bounded validation using OpenAI Codex. No native capability claims are added. Assisted-by: Codex:unknown
49 lines
1.2 KiB
Python
Vendored
49 lines
1.2 KiB
Python
Vendored
"""A minimal hook for gathering line coverage of the standard library.
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Designed to be used with -Xpresite=test.cov:enable which means:
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* it can't import anything besides `sys` to avoid tainting gathered coverage
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* filenames are not normalized
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To get gathered coverage back, look for 'test.cov' in `sys.modules`
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instead of importing directly. That way you can determine if the module
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was already in use.
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If you need to disable the hook, call the `disable()` function.
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"""
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import sys
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mon = sys.monitoring
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FileName = str
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LineNo = int
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Location = tuple[FileName, LineNo]
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coverage: set[Location] = set()
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# `types` and `typing` aren't imported to avoid invalid coverage
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def add_line(
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code: "types.CodeType",
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lineno: int,
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) -> "typing.Literal[sys.monitoring.DISABLE]":
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coverage.add((code.co_filename, lineno))
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return mon.DISABLE
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def enable():
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mon.use_tool_id(mon.COVERAGE_ID, "regrtest coverage")
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mon.register_callback(mon.COVERAGE_ID, mon.events.LINE, add_line)
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mon.set_events(mon.COVERAGE_ID, mon.events.LINE)
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def disable():
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mon.set_events(mon.COVERAGE_ID, 0)
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mon.register_callback(mon.COVERAGE_ID, mon.events.LINE, None)
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mon.free_tool_id(mon.COVERAGE_ID)
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if __name__ == "__main__":
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enable()
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