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[3.11] gh-68166: Tkinter: Add tests and examples for element_create() (GH-111453) (GH-111858)
* Remove mention of "vsapi" element type from the documentation.
* Add tests for element_create() and other ttk.Style methods.
* Add examples for element_create() in the documentation.
(cherry picked from commit 005d1e8fc8)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot)
GitHub
parent
390a5b81a9
commit
c3e5d0d936
3 changed files with 203 additions and 3 deletions
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@ -2,6 +2,7 @@ import unittest
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import sys
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import tkinter
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from tkinter import ttk
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from tkinter import TclError
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from test import support
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from test.support import requires
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from tkinter.test.support import AbstractTkTest, get_tk_patchlevel
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@ -122,7 +123,6 @@ class StyleTest(AbstractTkTest, unittest.TestCase):
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self.style.theme_use(curr_theme)
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def test_configure_custom_copy(self):
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style = self.style
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@ -176,6 +176,188 @@ class StyleTest(AbstractTkTest, unittest.TestCase):
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for key, value in default.items():
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self.assertEqual(style.map(newname, key), value)
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def test_element_options(self):
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style = self.style
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element_names = style.element_names()
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self.assertNotIsInstance(element_names, str)
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for name in element_names:
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self.assertIsInstance(name, str)
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element_options = style.element_options(name)
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self.assertNotIsInstance(element_options, str)
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for optname in element_options:
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self.assertIsInstance(optname, str)
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def test_element_create_errors(self):
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style = self.style
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with self.assertRaises(TypeError):
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style.element_create('plain.newelem')
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with self.assertRaisesRegex(TclError, 'No such element type spam'):
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style.element_create('plain.newelem', 'spam')
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def test_element_create_from(self):
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style = self.style
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style.element_create('plain.background', 'from', 'default')
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self.assertIn('plain.background', style.element_names())
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style.element_create('plain.arrow', 'from', 'default', 'rightarrow')
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self.assertIn('plain.arrow', style.element_names())
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def test_element_create_from_errors(self):
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style = self.style
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with self.assertRaises(IndexError):
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style.element_create('plain.newelem', 'from')
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with self.assertRaisesRegex(TclError, 'theme "spam" doesn\'t exist'):
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style.element_create('plain.newelem', 'from', 'spam')
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def test_element_create_image(self):
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style = self.style
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image = tkinter.PhotoImage(master=self.root, width=12, height=10)
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style.element_create('block', 'image', image)
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self.assertIn('block', style.element_names())
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style.layout('TestLabel1', [('block', {'sticky': 'news'})])
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a = ttk.Label(self.root, style='TestLabel1')
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a.pack(expand=True, fill='both')
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self.assertEqual(a.winfo_reqwidth(), 12)
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self.assertEqual(a.winfo_reqheight(), 10)
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imgfile = support.findfile('python.xbm', subdir='imghdrdata')
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img1 = tkinter.BitmapImage(master=self.root, file=imgfile,
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foreground='yellow', background='blue')
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img2 = tkinter.BitmapImage(master=self.root, file=imgfile,
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foreground='blue', background='yellow')
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img3 = tkinter.BitmapImage(master=self.root, file=imgfile,
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foreground='white', background='black')
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style.element_create('Button.button', 'image',
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img1, ('pressed', img2), ('active', img3),
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border=(2, 4), sticky='we')
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self.assertIn('Button.button', style.element_names())
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style.layout('Button', [('Button.button', {'sticky': 'news'})])
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b = ttk.Button(self.root, style='Button')
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b.pack(expand=True, fill='both')
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self.assertEqual(b.winfo_reqwidth(), 16)
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self.assertEqual(b.winfo_reqheight(), 16)
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def test_element_create_image_errors(self):
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style = self.style
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image = tkinter.PhotoImage(master=self.root, width=10, height=10)
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with self.assertRaises(IndexError):
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style.element_create('block2', 'image')
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with self.assertRaises(TypeError):
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style.element_create('block2', 'image', image, 1)
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with self.assertRaises(ValueError):
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style.element_create('block2', 'image', image, ())
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with self.assertRaisesRegex(TclError, 'Invalid state name'):
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style.element_create('block2', 'image', image, ('spam', image))
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with self.assertRaisesRegex(TclError, 'Invalid state name'):
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style.element_create('block2', 'image', image, (1, image))
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with self.assertRaises(TypeError):
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style.element_create('block2', 'image', image, ('pressed', 1, image))
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with self.assertRaises(TypeError):
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style.element_create('block2', 'image', image, (1, 'selected', image))
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with self.assertRaisesRegex(TclError, 'bad option'):
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style.element_create('block2', 'image', image, spam=1)
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def test_theme_create(self):
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style = self.style
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curr_theme = style.theme_use()
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curr_layout = style.layout('TLabel')
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style.theme_create('testtheme1')
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self.assertIn('testtheme1', style.theme_names())
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style.theme_create('testtheme2', settings={
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'elem' : {'element create': ['from', 'default'],},
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'TLabel' : {
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'configure': {'padding': 10},
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'layout': [('elem', {'sticky': 'we'})],
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},
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})
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self.assertIn('testtheme2', style.theme_names())
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style.theme_create('testtheme3', 'testtheme2')
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self.assertIn('testtheme3', style.theme_names())
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style.theme_use('testtheme1')
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self.assertEqual(style.element_names(), ())
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self.assertEqual(style.layout('TLabel'), curr_layout)
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style.theme_use('testtheme2')
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self.assertEqual(style.element_names(), ('elem',))
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self.assertEqual(style.lookup('TLabel', 'padding'), '10')
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self.assertEqual(style.layout('TLabel'), [('elem', {'sticky': 'we'})])
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style.theme_use('testtheme3')
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self.assertEqual(style.element_names(), ())
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self.assertEqual(style.lookup('TLabel', 'padding'), '')
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self.assertEqual(style.layout('TLabel'), [('elem', {'sticky': 'we'})])
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style.theme_use(curr_theme)
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def test_theme_create_image(self):
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style = self.style
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curr_theme = style.theme_use()
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image = tkinter.PhotoImage(master=self.root, width=10, height=10)
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new_theme = 'testtheme4'
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style.theme_create(new_theme, settings={
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'block' : {
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'element create': ['image', image, {'width': 120, 'height': 100}],
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},
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'TestWidget.block2' : {
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'element create': ['image', image],
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},
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'TestWidget' : {
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'configure': {
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'anchor': 'left',
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'padding': (3, 0, 0, 2),
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'foreground': 'yellow',
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},
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'map': {
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'foreground': [
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('pressed', 'red'),
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('active', 'disabled', 'blue'),
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],
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},
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'layout': [
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('TestWidget.block', {'sticky': 'we', 'side': 'left'}),
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('TestWidget.border', {
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'sticky': 'nsw',
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'border': 1,
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'children': [
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('TestWidget.block2', {'sticky': 'nswe'})
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]
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})
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],
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},
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})
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style.theme_use(new_theme)
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self.assertIn('block', style.element_names())
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self.assertEqual(style.lookup('TestWidget', 'anchor'), 'left')
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self.assertEqual(style.lookup('TestWidget', 'padding'), '3 0 0 2')
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self.assertEqual(style.lookup('TestWidget', 'foreground'), 'yellow')
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self.assertEqual(style.lookup('TestWidget', 'foreground',
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['active']), 'yellow')
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self.assertEqual(style.lookup('TestWidget', 'foreground',
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['active', 'pressed']), 'red')
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self.assertEqual(style.lookup('TestWidget', 'foreground',
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['active', 'disabled']), 'blue')
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self.assertEqual(style.layout('TestWidget'),
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[
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('TestWidget.block', {'side': 'left', 'sticky': 'we'}),
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('TestWidget.border', {
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'sticky': 'nsw',
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'border': '1',
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'children': [('TestWidget.block2', {'sticky': 'nswe'})]
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})
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])
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b = ttk.Label(self.root, style='TestWidget')
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b.pack(expand=True, fill='both')
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self.assertEqual(b.winfo_reqwidth(), 134)
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self.assertEqual(b.winfo_reqheight(), 100)
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style.theme_use(curr_theme)
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if __name__ == "__main__":
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unittest.main()
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