diff options
Diffstat (limited to 'Lib/tkinter')
| -rw-r--r-- | Lib/tkinter/test/support.py | 46 |
1 files changed, 2 insertions, 44 deletions
diff --git a/Lib/tkinter/test/support.py b/Lib/tkinter/test/support.py index fcd9ffc..7ae0cbb 100644 --- a/Lib/tkinter/test/support.py +++ b/Lib/tkinter/test/support.py @@ -1,52 +1,10 @@ import sys import tkinter import unittest - -_tk_unavailable = None - -def check_tk_availability(): - """Check that Tk is installed and available.""" - global _tk_unavailable - - if _tk_unavailable is None: - _tk_unavailable = False - if sys.platform == 'darwin': - # The Aqua Tk implementations on OS X can abort the process if - # being called in an environment where a window server connection - # cannot be made, for instance when invoked by a buildbot or ssh - # process not running under the same user id as the current console - # user. To avoid that, raise an exception if the window manager - # connection is not available. - from ctypes import cdll, c_int, pointer, Structure - from ctypes.util import find_library - - app_services = cdll.LoadLibrary(find_library("ApplicationServices")) - - if app_services.CGMainDisplayID() == 0: - _tk_unavailable = "cannot run without OS X window manager" - else: - class ProcessSerialNumber(Structure): - _fields_ = [("highLongOfPSN", c_int), - ("lowLongOfPSN", c_int)] - psn = ProcessSerialNumber() - psn_p = pointer(psn) - if ( (app_services.GetCurrentProcess(psn_p) < 0) or - (app_services.SetFrontProcess(psn_p) < 0) ): - _tk_unavailable = "cannot run without OS X gui process" - else: # not OS X - import tkinter - try: - tkinter.Button() - except tkinter.TclError as msg: - # assuming tk is not available - _tk_unavailable = "tk not available: %s" % msg - - if _tk_unavailable: - raise unittest.SkipTest(_tk_unavailable) - return +from test.support import requires def get_tk_root(): - check_tk_availability() # raise exception if tk unavailable + requires('gui') # raise exception if tk unavailable try: root = tkinter._default_root except AttributeError: |