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57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
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# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
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"""Determine facts about the environment."""
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import os
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import platform
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import sys
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# Operating systems.
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WINDOWS = sys.platform == "win32"
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LINUX = sys.platform == "linux2"
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# Python implementations.
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PYPY = (platform.python_implementation() == 'PyPy')
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if PYPY:
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PYPYVERSION = sys.pypy_version_info
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JYTHON = (platform.python_implementation() == 'Jython')
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IRONPYTHON = (platform.python_implementation() == 'IronPython')
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# Python versions.
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PYVERSION = sys.version_info
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PY2 = PYVERSION < (3, 0)
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PY3 = PYVERSION >= (3, 0)
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# Python behavior
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class PYBEHAVIOR(object):
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"""Flags indicating this Python's behavior."""
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# When a break/continue/return statement in a try block jumps to a finally
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# block, does the finally block do the break/continue/return (pre-3.8), or
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# does the finally jump back to the break/continue/return (3.8) to do the
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# work?
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finally_jumps_back = (PYVERSION >= (3, 8))
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# When a function is decorated, does the trace function get called for the
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# @-line and also the def-line (new behavior in 3.8)? Or just the @-line
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# (old behavior)?
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trace_decorated_def = (PYVERSION >= (3, 8))
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# Are while-true loops optimized into absolute jumps with no loop setup?
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nix_while_true = (PYVERSION >= (3, 8))
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# Coverage.py specifics.
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# Are we using the C-implemented trace function?
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C_TRACER = os.getenv('COVERAGE_TEST_TRACER', 'c') == 'c'
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# Are we coverage-measuring ourselves?
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METACOV = os.getenv('COVERAGE_COVERAGE', '') != ''
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# Are we running our test suite?
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# Even when running tests, you can use COVERAGE_TESTING=0 to disable the
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# test-specific behavior like contracts.
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TESTING = os.getenv('COVERAGE_TESTING', '') == 'True'
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