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55 lines
1.1 KiB
Python
55 lines
1.1 KiB
Python
"""Monkey patch os._exit when running under coverage so we don't lose coverage data in forks, such as with `pytest --boxed`."""
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import gc
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import os
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try:
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import coverage
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except ImportError:
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coverage = None
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try:
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test = coverage.Coverage
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except AttributeError:
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coverage = None
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def pytest_configure():
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if not coverage:
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return
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coverage_instances = []
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for obj in gc.get_objects():
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if isinstance(obj, coverage.Coverage):
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coverage_instances.append(obj)
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if not coverage_instances:
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coverage_config = os.environ.get('COVERAGE_CONF')
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if not coverage_config:
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return
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coverage_output = os.environ.get('COVERAGE_FILE')
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if not coverage_output:
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return
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cov = coverage.Coverage(config_file=coverage_config)
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coverage_instances.append(cov)
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else:
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cov = None
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os_exit = os._exit
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def coverage_exit(*args, **kwargs):
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for instance in coverage_instances:
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instance.stop()
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instance.save()
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os_exit(*args, **kwargs)
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os._exit = coverage_exit
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if cov:
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cov.start()
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