Mercurial Repositories > eric / file comparison
comparison: eric7/DebugClients/Python/coverage/env.py
eric7/DebugClients/Python/coverage/env.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 7975
- 7d493839a8fc
- child 8527
- 2bd1325d727e
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
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| 1 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 | |
| 2 # For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt | |
| 3 | |
| 4 """Determine facts about the environment.""" | |
| 5 | |
| 6 import os | |
| 7 import platform | |
| 8 import sys | |
| 9 | |
| 10 # Operating systems. | |
| 11 WINDOWS = sys.platform == "win32" | |
| 12 LINUX = sys.platform.startswith("linux") | |
| 13 | |
| 14 # Python versions. We amend version_info with one more value, a zero if an | |
| 15 # official version, or 1 if built from source beyond an official version. | |
| 16 PYVERSION = sys.version_info + (int(platform.python_version()[-1] == "+"),) | |
| 17 PY2 = PYVERSION < (3, 0) | |
| 18 PY3 = PYVERSION >= (3, 0) | |
| 19 | |
| 20 # Python implementations. | |
| 21 PYPY = (platform.python_implementation() == 'PyPy') | |
| 22 if PYPY: | |
| 23 PYPYVERSION = sys.pypy_version_info | |
| 24 | |
| 25 PYPY2 = PYPY and PY2 | |
| 26 PYPY3 = PYPY and PY3 | |
| 27 | |
| 28 JYTHON = (platform.python_implementation() == 'Jython') | |
| 29 IRONPYTHON = (platform.python_implementation() == 'IronPython') | |
| 30 | |
| 31 # Python behavior | |
| 32 class PYBEHAVIOR(object): | |
| 33 """Flags indicating this Python's behavior.""" | |
| 34 | |
| 35 # Is "if __debug__" optimized away? | |
| 36 optimize_if_debug = (not PYPY) | |
| 37 | |
| 38 # Is "if not __debug__" optimized away? | |
| 39 optimize_if_not_debug = (not PYPY) and (PYVERSION >= (3, 7, 0, 'alpha', 4)) | |
| 40 | |
| 41 # Is "if not __debug__" optimized away even better? | |
| 42 optimize_if_not_debug2 = (not PYPY) and (PYVERSION >= (3, 8, 0, 'beta', 1)) | |
| 43 | |
| 44 # Do we have yield-from? | |
| 45 yield_from = (PYVERSION >= (3, 3)) | |
| 46 | |
| 47 # Do we have PEP 420 namespace packages? | |
| 48 namespaces_pep420 = (PYVERSION >= (3, 3)) | |
| 49 | |
| 50 # Do .pyc files have the source file size recorded in them? | |
| 51 size_in_pyc = (PYVERSION >= (3, 3)) | |
| 52 | |
| 53 # Do we have async and await syntax? | |
| 54 async_syntax = (PYVERSION >= (3, 5)) | |
| 55 | |
| 56 # PEP 448 defined additional unpacking generalizations | |
| 57 unpackings_pep448 = (PYVERSION >= (3, 5)) | |
| 58 | |
| 59 # Can co_lnotab have negative deltas? | |
| 60 negative_lnotab = (PYVERSION >= (3, 6)) and not (PYPY and PYPYVERSION < (7, 2)) | |
| 61 | |
| 62 # Do .pyc files conform to PEP 552? Hash-based pyc's. | |
| 63 hashed_pyc_pep552 = (PYVERSION >= (3, 7, 0, 'alpha', 4)) | |
| 64 | |
| 65 # Python 3.7.0b3 changed the behavior of the sys.path[0] entry for -m. It | |
| 66 # used to be an empty string (meaning the current directory). It changed | |
| 67 # to be the actual path to the current directory, so that os.chdir wouldn't | |
| 68 # affect the outcome. | |
| 69 actual_syspath0_dash_m = (not PYPY) and (PYVERSION >= (3, 7, 0, 'beta', 3)) | |
| 70 | |
| 71 # When a break/continue/return statement in a try block jumps to a finally | |
| 72 # block, does the finally block do the break/continue/return (pre-3.8), or | |
| 73 # does the finally jump back to the break/continue/return (3.8) to do the | |
| 74 # work? | |
| 75 finally_jumps_back = (PYVERSION >= (3, 8)) | |
| 76 | |
| 77 # When a function is decorated, does the trace function get called for the | |
| 78 # @-line and also the def-line (new behavior in 3.8)? Or just the @-line | |
| 79 # (old behavior)? | |
| 80 trace_decorated_def = (PYVERSION >= (3, 8)) | |
| 81 | |
| 82 # Are while-true loops optimized into absolute jumps with no loop setup? | |
| 83 nix_while_true = (PYVERSION >= (3, 8)) | |
| 84 | |
| 85 # Python 3.9a1 made sys.argv[0] and other reported files absolute paths. | |
| 86 report_absolute_files = (PYVERSION >= (3, 9)) | |
| 87 | |
| 88 # Coverage.py specifics. | |
| 89 | |
| 90 # Are we using the C-implemented trace function? | |
| 91 C_TRACER = os.getenv('COVERAGE_TEST_TRACER', 'c') == 'c' | |
| 92 | |
| 93 # Are we coverage-measuring ourselves? | |
| 94 METACOV = os.getenv('COVERAGE_COVERAGE', '') != '' | |
| 95 | |
| 96 # Are we running our test suite? | |
| 97 # Even when running tests, you can use COVERAGE_TESTING=0 to disable the | |
| 98 # test-specific behavior like contracts. | |
| 99 TESTING = os.getenv('COVERAGE_TESTING', '') == 'True' |
