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# coding=utf-8
# pystray
# Copyright (C) 2016-2022 Moses Palmér
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function
import itertools
from PIL import Image, ImageDraw
from six.moves import input
import pystray
from pystray import MenuItem as item
COLORS = itertools.cycle((
'black',
'white',
'red',
'yellow',
'blue',
'red',
'green',
'white'))
def say(*args, **kwargs):
"""Prints a message, ensuring space between messages.
"""
print('\n')
print(*args, **kwargs)
def action(on_activate):
"""A convenience function to create a hidden default menu item.
:param callable on_activate: The activation callback.
"""
return item('Default', on_activate, default=True, visible=False)
def separator():
"""A wrapper around :attr:`pystray.Menu.SEPARATOR`.
"""
return pystray.Menu.SEPARATOR
def icon(no_image=False, **kwargs):
"""Generates a systray icon with the specified colours.
A systray icon created by this method will be automatically hidden
when the current test finishes.
:return: the tuple ``(icon, colors)``, where ``icon`` is a
hidden systray icon, and ``colors`` is the ``colors`` return value
of :meth:`image`.
"""
img, colors = image()
ico = pystray.Icon(
'test',
icon=img if not no_image else None,
**kwargs)
return ico, colors
def image(width=64, height=64):
"""Generates an icon image.
:return: the tuple ``(image, colors)``, where ``image`` is a
*PIL* image and ``colors`` is a tuple containing the colours as
*PIL* colour names, suitable for printing; the stringification of
the tuple is also suitable for printing
"""
class Colors(tuple):
def __str__(self):
return ' and '.join(self)
colors = Colors((next_color(), next_color()))
img = Image.new('RGB', (width, height), colors[0])
dc = ImageDraw.Draw(img)
dc.rectangle((width // 2, 0, width, height // 2), fill=colors[1])
dc.rectangle((0, height // 2, width // 2, height), fill=colors[1])
return img, colors
def next_color():
"""Returns the next colour to use.
"""
return next(COLORS)
def confirm(self, statement, *fmt):
"""Asks the user to confirm a statement.
:param self: An instance of a test suite.
:param str statement: The statement to confirm.
:raises AssertionError: if the user does not confirm
"""
valid_responses = ('yes', 'y', 'no', 'n')
accept_responses = valid_responses[:2]
message = ('\n' + statement % fmt) + ' '
while True:
response = input(message)
if response.lower() in valid_responses:
self.assertIn(
response.lower(), accept_responses,
'User declined statement "%s"' % message)
return
else:
print(
'Please respond %s' % ', '.join(
'"%s"' % r for r in valid_responses))
def true(*args):
"""Returns ``True``.
"""
return True
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