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util.py

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"""

Idlelib objects with no external idlelib dependencies

which are needed in more than one idlelib module.

They are included here because

a) they don't particularly belong elsewhere; or

b) because inclusion here simplifies the idlelib dependency graph.

TODO:

* Python versions (editor and help_about),

* tk version and patchlevel (pyshell, help_about, maxos?, editor?),

* std streams (pyshell, run),

* warning stuff (pyshell, run).

"""

import sys

# .pyw is for Windows; .pyi is for typing stub files.

# The extension order is needed for iomenu open/save dialogs.

py_extensions = ('.py', '.pyw', '.pyi')

# Fix for HiDPI screens on Windows. CALL BEFORE ANY TK OPERATIONS!

# URL for arguments for the ...Awareness call below.

# https://msdn.microsoft.com/en-us/library/windows/desktop/dn280512(v=vs.85).aspx

if sys.platform == 'win32': # pragma: no cover

def fix_win_hidpi(): # Called in pyshell and turtledemo.

try:

import ctypes

PROCESS_SYSTEM_DPI_AWARE = 1 # Int required.

ctypes.OleDLL('shcore').SetProcessDpiAwareness(PROCESS_SYSTEM_DPI_AWARE)

except (ImportError, AttributeError, OSError):

pass

if __name__ == '__main__':

from unittest import main

main('idlelib.idle_test.test_util', verbosity=2)