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pythongh-117225: Move colorize functionality to own internal module (p…
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,64 @@ | ||
import io | ||
import os | ||
import sys | ||
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COLORIZE = True | ||
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class ANSIColors: | ||
BOLD_GREEN = "\x1b[1;32m" | ||
BOLD_MAGENTA = "\x1b[1;35m" | ||
BOLD_RED = "\x1b[1;31m" | ||
GREEN = "\x1b[32m" | ||
GREY = "\x1b[90m" | ||
MAGENTA = "\x1b[35m" | ||
RED = "\x1b[31m" | ||
RESET = "\x1b[0m" | ||
YELLOW = "\x1b[33m" | ||
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NoColors = ANSIColors() | ||
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for attr in dir(NoColors): | ||
if not attr.startswith("__"): | ||
setattr(NoColors, attr, "") | ||
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def get_colors(colorize: bool = False) -> ANSIColors: | ||
if colorize or can_colorize(): | ||
return ANSIColors() | ||
else: | ||
return NoColors | ||
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def can_colorize() -> bool: | ||
if sys.platform == "win32": | ||
try: | ||
import nt | ||
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if not nt._supports_virtual_terminal(): | ||
return False | ||
except (ImportError, AttributeError): | ||
return False | ||
if not sys.flags.ignore_environment: | ||
if os.environ.get("PYTHON_COLORS") == "0": | ||
return False | ||
if os.environ.get("PYTHON_COLORS") == "1": | ||
return True | ||
if "NO_COLOR" in os.environ: | ||
return False | ||
if not COLORIZE: | ||
return False | ||
if not sys.flags.ignore_environment: | ||
if "FORCE_COLOR" in os.environ: | ||
return True | ||
if os.environ.get("TERM") == "dumb": | ||
return False | ||
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if not hasattr(sys.stderr, "fileno"): | ||
return False | ||
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try: | ||
return os.isatty(sys.stderr.fileno()) | ||
except io.UnsupportedOperation: | ||
return sys.stderr.isatty() |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,59 @@ | ||
import contextlib | ||
import sys | ||
import unittest | ||
import unittest.mock | ||
import _colorize | ||
from test.support import force_not_colorized | ||
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ORIGINAL_CAN_COLORIZE = _colorize.can_colorize | ||
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def setUpModule(): | ||
_colorize.can_colorize = lambda: False | ||
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def tearDownModule(): | ||
_colorize.can_colorize = ORIGINAL_CAN_COLORIZE | ||
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class TestColorizeFunction(unittest.TestCase): | ||
@force_not_colorized | ||
def test_colorized_detection_checks_for_environment_variables(self): | ||
if sys.platform == "win32": | ||
virtual_patching = unittest.mock.patch("nt._supports_virtual_terminal", | ||
return_value=True) | ||
else: | ||
virtual_patching = contextlib.nullcontext() | ||
with virtual_patching: | ||
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flags = unittest.mock.MagicMock(ignore_environment=False) | ||
with (unittest.mock.patch("os.isatty") as isatty_mock, | ||
unittest.mock.patch("sys.flags", flags), | ||
unittest.mock.patch("_colorize.can_colorize", ORIGINAL_CAN_COLORIZE)): | ||
isatty_mock.return_value = True | ||
with unittest.mock.patch("os.environ", {'TERM': 'dumb'}): | ||
self.assertEqual(_colorize.can_colorize(), False) | ||
with unittest.mock.patch("os.environ", {'PYTHON_COLORS': '1'}): | ||
self.assertEqual(_colorize.can_colorize(), True) | ||
with unittest.mock.patch("os.environ", {'PYTHON_COLORS': '0'}): | ||
self.assertEqual(_colorize.can_colorize(), False) | ||
with unittest.mock.patch("os.environ", {'NO_COLOR': '1'}): | ||
self.assertEqual(_colorize.can_colorize(), False) | ||
with unittest.mock.patch("os.environ", | ||
{'NO_COLOR': '1', "PYTHON_COLORS": '1'}): | ||
self.assertEqual(_colorize.can_colorize(), True) | ||
with unittest.mock.patch("os.environ", {'FORCE_COLOR': '1'}): | ||
self.assertEqual(_colorize.can_colorize(), True) | ||
with unittest.mock.patch("os.environ", | ||
{'FORCE_COLOR': '1', 'NO_COLOR': '1'}): | ||
self.assertEqual(_colorize.can_colorize(), False) | ||
with unittest.mock.patch("os.environ", | ||
{'FORCE_COLOR': '1', "PYTHON_COLORS": '0'}): | ||
self.assertEqual(_colorize.can_colorize(), False) | ||
isatty_mock.return_value = False | ||
with unittest.mock.patch("os.environ", {}): | ||
self.assertEqual(_colorize.can_colorize(), False) | ||
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if __name__ == "__main__": | ||
unittest.main() |
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