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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
"""Determine facts about the environment."""
import os
import platform
import sys
# Operating systems.
WINDOWS = sys.platform == "win32"
LINUX = sys.platform == "linux2"
# Python implementations.
PYPY = (platform.python_implementation() == 'PyPy')
if PYPY:
PYPYVERSION = sys.pypy_version_info
JYTHON = (platform.python_implementation() == 'Jython')
IRONPYTHON = (platform.python_implementation() == 'IronPython')
# Python versions.
PYVERSION = sys.version_info
PY2 = PYVERSION < (3, 0)
PY3 = PYVERSION >= (3, 0)
# Python behavior
class PYBEHAVIOR(object):
"""Flags indicating this Python's behavior."""
# When a break/continue/return statement in a try block jumps to a finally
# block, does the finally block do the break/continue/return (pre-3.8), or
# does the finally jump back to the break/continue/return (3.8) to do the
# work?
finally_jumps_back = (PYVERSION >= (3, 8))
# Coverage.py specifics.
# Are we using the C-implemented trace function?
C_TRACER = os.getenv('COVERAGE_TEST_TRACER', 'c') == 'c'
# Are we coverage-measuring ourselves?
METACOV = os.getenv('COVERAGE_COVERAGE', '') != ''
# Are we running our test suite?
# Even when running tests, you can use COVERAGE_TESTING=0 to disable the
# test-specific behavior like contracts.
TESTING = os.getenv('COVERAGE_TESTING', '') == 'True'
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