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4143535d86
test_tk or test_ttk_guionly under a username that is not currently logged in to the console windowserver (as may be the case under buildbot or ssh).
69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
import subprocess
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import sys
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from test import support
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import tkinter
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import unittest
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_tk_available = None
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def check_tk_availability():
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"""Check that Tk is installed and available."""
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global _tk_available
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if _tk_available is not None:
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return
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if sys.platform == 'darwin':
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# The Aqua Tk implementations on OS X can abort the process if
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# being called in an environment where a window server connection
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# cannot be made, for instance when invoked by a buildbot or ssh
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# process not running under the same user id as the current console
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# user. Instead, try to initialize Tk under a subprocess.
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p = subprocess.Popen(
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[sys.executable, '-c', 'import tkinter; tkinter.Button()'],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stderr = support.strip_python_stderr(p.communicate()[1])
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if stderr or p.returncode:
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raise unittest.SkipTest("tk cannot be initialized: %s" % stderr)
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else:
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try:
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tkinter.Button()
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except tkinter.TclError as msg:
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# assuming tk is not available
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raise unittest.SkipTest("tk not available: %s" % msg)
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_tk_available = True
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return
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def get_tk_root():
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check_tk_availability() # raise exception if tk unavailable
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try:
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root = tkinter._default_root
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except AttributeError:
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# it is possible to disable default root in Tkinter, although
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# I haven't seen people doing it (but apparently someone did it
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# here).
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root = None
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if root is None:
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# create a new master only if there isn't one already
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root = tkinter.Tk()
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return root
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def root_deiconify():
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root = get_tk_root()
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root.deiconify()
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def root_withdraw():
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root = get_tk_root()
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root.withdraw()
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def simulate_mouse_click(widget, x, y):
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"""Generate proper events to click at the x, y position (tries to act
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like an X server)."""
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widget.event_generate('<Enter>', x=0, y=0)
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widget.event_generate('<Motion>', x=x, y=y)
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widget.event_generate('<ButtonPress-1>', x=x, y=y)
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widget.event_generate('<ButtonRelease-1>', x=x, y=y)
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