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SCons: Fix potential Windows ANSI exception

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This commit is contained in:
Thaddeus Crews
2024-05-18 10:47:31 -05:00
parent bd2300d77a
commit a9810cffb4
4 changed files with 65 additions and 36 deletions
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31
doc/tools/make_rst.py
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@@ -677,17 +677,6 @@ class ScriptLanguageParityCheck:
# Entry point for the RST generator.
def main() -> None:
# Enable ANSI escape code support on Windows 10 and later (for colored console output).
# <https://bugs.python.org/issue29059>
if platform.system().lower() == "windows":
from ctypes import windll, c_int, byref # type: ignore
stdout_handle = windll.kernel32.GetStdHandle(c_int(-11))
mode = c_int(0)
windll.kernel32.GetConsoleMode(c_int(stdout_handle), byref(mode))
mode = c_int(mode.value | 4)
windll.kernel32.SetConsoleMode(c_int(stdout_handle), mode)
parser = argparse.ArgumentParser()
parser.add_argument("path", nargs="+", help="A path to an XML file or a directory containing XML files to parse.")
parser.add_argument("--filter", default="", help="The filepath pattern for XML files to filter.")
@@ -711,7 +700,25 @@ def main() -> None:
)
args = parser.parse_args()
should_color = args.color or (hasattr(sys.stdout, "isatty") and sys.stdout.isatty())
should_color = bool(args.color or sys.stdout.isatty() or os.environ.get("CI"))
# Enable ANSI escape code support on Windows 10 and later (for colored console output).
# <https://github.com/python/cpython/issues/73245>
if should_color and sys.stdout.isatty() and sys.platform == "win32":
try:
from ctypes import windll, byref, WinError # type: ignore
from ctypes.wintypes import DWORD # type: ignore
stdout_handle = windll.kernel32.GetStdHandle(DWORD(-11))
mode = DWORD(0)
if not windll.kernel32.GetConsoleMode(stdout_handle, byref(mode)):
raise WinError()
mode = DWORD(mode.value | 4)
if not windll.kernel32.SetConsoleMode(stdout_handle, mode):
raise WinError()
except Exception:
should_color = False
STYLES["red"] = "\x1b[91m" if should_color else ""
STYLES["green"] = "\x1b[92m" if should_color else ""
STYLES["yellow"] = "\x1b[93m" if should_color else ""