Tic Tac Toe in a single line, requires wxPython

TicTacToe.minified.py

# this code is under the MIT license ( https://spdx.org/licenses/MIT.html )
( itertools := __import__('itertools'), unittest := __import__('unittest'), random := __import__('random'), wx := __import__('wx'), Try := lambda block, catch, finalli=None: ( res := unittest.FunctionTestCase( block )( type( 'TR', ( unittest.TestResult, ), { '__init__': lambda self, *args, **kwargs: ( super(self.__class__, self).__init__( *args, **kwargs ), setattr( self, 'errs', list() ) )[0], 'addError': lambda self, test, err: self.errs.append( err[1] ) } )() ), list( map( lambda err: catch.get( err.__class__, lambda err: print( err ) )( err ), res.errs ) ), finalli() if finalli is not None else None, None )[-1], While := lambda cond, block: Try( lambda: [ ( block(), Throw( UnicodeTranslateError( '', 0, 0, '' ) ) if not cond() else None ) for _ in itertools.repeat(None) ], catch={ UnicodeTranslateError: lambda err: None } ), Throw := lambda exc: ( _ for _ in [] ).throw( exc ), Tris := type( 'Tris', ( wx.Frame, object ), { '__init__': lambda self: ( super(Tris, self).__init__( parent=None, title='TrisLiner', style=wx.DEFAULT_FRAME_STYLE ^ wx.RESIZE_BORDER ), setattr( self, 'done', list() ), setattr( self, 'buttons', list() ), [ [ ( btn := wx.Button( parent=self, name=f'{x},{y}' ), btn.SetPosition( wx.Point( btn.GetSize().GetWidth() * x, btn.GetSize().GetHeight() * y ) ), btn.Bind( wx.EVT_BUTTON, self.onPress, btn ), self.buttons.append( btn ) ) for x in range( 0, 3 ) ] for y in range( 0, 3 ) ], setattr( self, 'win_states', [ [ ( 0, 0 ), ( 1, 0 ), ( 2, 0 ) ], [ ( 0, 1 ), ( 1, 1 ), ( 2, 1 ) ], [ ( 0, 2 ), ( 1, 2 ), ( 2, 2 ) ], [ ( 0, 0 ), ( 1, 1 ), ( 2, 2 ) ], [ ( 2, 0 ), ( 1, 1 ), ( 0, 2 ) ], [ ( 1, 0 ), ( 1, 1 ), ( 1, 2 ) ], [ ( 2, 0 ), ( 2, 1 ), ( 2, 2 ) ], [ ( 0, 0 ), ( 0, 1 ), ( 0, 2 ) ], ]), self.SetSize( 240, 108 ), self.Show(), None )[-1], 'onPress': lambda self, evt: ( btn := evt.GetEventObject(), btn.Disable(), btn.SetLabel('X'), self.done.append( ( int( btn.GetName()[0] ), int( btn.GetName()[2] ), 'X' ) ), shallReturn := False, ( wx.MessageBox( 'Nobody wins!', 'Stalemate!' ), self.Destroy(), shallReturn := True ) if len( self.done ) == 9 else None, [ ( ( wx.MessageBox( 'The player wins!', 'You Win!' ), self.Destroy(), shallReturn := True ) if ( state[0] + ( 'X', ) in self.done and state[1] + ( 'X', ) in self.done and state[2] + ( 'X', ) in self.done ) else ( wx.MessageBox( 'The AI wins!', 'You Loose!' ), self.Destroy(), shallReturn := True ) if ( state[0] + ( 'O', ) in self.done and state[1] + ( 'O', ) in self.done and state[2] + ( 'O', ) in self.done ) else None ) for state in self.win_states if not shallReturn ] if len( self.done ) > 4 and not shallReturn else None, loccals := { 'state': [], 'shallReturn': shallReturn }, While( cond=lambda: ( ( not loccals['shallReturn'] ) and len( set( ( state := random.choice( self.win_states ), loccals.__setitem__( 'state', state ) )[0] ).intersection( self.done ) ) < 3 ), block=lambda: ( [ ( ( self.buttons[ pos[0] * 3 + pos[1] ].Disable(), self.buttons[ pos[0] * 3 + pos[1] ].SetLabel('O'), self.done.append( pos + ( 'O', ) ), loccals.__setitem__( 'shallReturn', True ) ) if pos + ( 'X', ) not in self.done and pos + ( 'O', ) not in self.done else None ) for pos in loccals['state'] if not loccals[ 'shallReturn' ] ] ) ) ) }), app := wx.App(), root := Tris(), app.SetTopWindow( root ), app.MainLoop() )

TicTacToe.py

# this code is under the MIT license ( https://spdx.org/licenses/MIT.html )
# noinspection PyArgumentList
(
	itertools := __import__('itertools'),
	unittest := __import__('unittest'),
	random := __import__('random'),
	wx := __import__('wx'),
	Try := lambda block, catch, finalli=None: (
		res := unittest.FunctionTestCase( block )(
			type( 'TR', ( unittest.TestResult, ), {
				'__init__': lambda self, *args, **kwargs: (
					super(self.__class__, self).__init__( *args, **kwargs ),
					setattr( self, 'errs', list() )
				)[0],
				'addError': lambda self, test, err: self.errs.append( err[1] )
			} )()
		),
		list( map(
			lambda err: catch.get( err.__class__, lambda err: print( err ) )( err ),
			res.errs
		) ),
		finalli() if finalli is not None else None,
		None
	)[-1],
	While := lambda cond, block: Try(
		lambda: [
			(
				block(),
				# end the loop if cond() returns False
				Throw( UnicodeTranslateError( '', 0, 0, '' ) ) if not cond() else None
			) for _ in itertools.repeat(None)
		],
		catch={ UnicodeTranslateError: lambda err: None }
	),
	Throw := lambda exc: ( _ for _ in [] ).throw( exc ),

	Tris := type( 'Tris', ( wx.Frame, object ), {
		'__init__': lambda self: (
			super(Tris, self).__init__( parent=None, title='TrisLiner', style=wx.DEFAULT_FRAME_STYLE ^ wx.RESIZE_BORDER ),
			setattr( self, 'done', list() ),
			setattr( self, 'buttons', list() ),
			[
				[
					(
						btn := wx.Button( parent=self, name=f'{x},{y}' ),
						btn.SetPosition( wx.Point( btn.GetSize().GetWidth() * x, btn.GetSize().GetHeight() * y ) ),
						btn.Bind( wx.EVT_BUTTON, self.onPress, btn ),
						self.buttons.append( btn )
					) for x in range( 0, 3 )
				] for y in range( 0, 3 )
			],
			setattr( self, 'win_states', [
				# horizontal
				[ ( 0, 0 ), ( 1, 0 ), ( 2, 0 ) ],  # xxx ... ...
				[ ( 0, 1 ), ( 1, 1 ), ( 2, 1 ) ],  # ... xxx ...
				[ ( 0, 2 ), ( 1, 2 ), ( 2, 2 ) ],  # ... ... xxx
				# diagonal
				[ ( 0, 0 ), ( 1, 1 ), ( 2, 2 ) ],  # x.. .X. ..X
				[ ( 2, 0 ), ( 1, 1 ), ( 0, 2 ) ],  # ..X .X. X..
				# vertical
				[ ( 1, 0 ), ( 1, 1 ), ( 1, 2 ) ],  # .X. .X. .X.
				[ ( 2, 0 ), ( 2, 1 ), ( 2, 2 ) ],  # ..X ..X ..X
				[ ( 0, 0 ), ( 0, 1 ), ( 0, 2 ) ],  # X.. X.. X..
			]),
			self.SetSize( 240, 108 ),
			self.Show(),
			None
		)[-1],
		'onPress': lambda self, evt: (
			btn := evt.GetEventObject(),
			btn.Disable(),
			btn.SetLabel('X'),
			self.done.append( ( int( btn.GetName()[0] ), int( btn.GetName()[2] ), 'X' ) ),
			shallReturn := False,
			(
				wx.MessageBox( 'Nobody wins!', 'Stalemate!' ),
				self.Destroy(),
				shallReturn := True
			) if len( self.done ) == 9 else None,
			# win logic
			[
				(
					(
						wx.MessageBox( 'The player wins!', 'You Win!' ),
						self.Destroy(),
						shallReturn := True
					) if (
						state[0] + ( 'X', ) in self.done and
						state[1] + ( 'X', ) in self.done and
						state[2] + ( 'X', ) in self.done
					) else (
						wx.MessageBox( 'The AI wins!', 'You Loose!' ),
						self.Destroy(),
						shallReturn := True
					) if (
						state[0] + ( 'O', ) in self.done and
						state[1] + ( 'O', ) in self.done and
						state[2] + ( 'O', ) in self.done
					) else None
				) for state in self.win_states if not shallReturn
			] if len( self.done ) > 4 and not shallReturn else None,
			# ai
			loccals := { 'state': [], 'shallReturn': shallReturn },
			While(
				cond=lambda: (
					( not loccals['shallReturn'] ) and
					len(
						set(
							(
								state := random.choice( self.win_states ),
								loccals.__setitem__( 'state', state )
							)[0]
						).intersection( self.done )
					) < 3
				),
				block=lambda: (
					[
						(
							(
								self.buttons[ pos[0] * 3 + pos[1] ].Disable(),
								self.buttons[ pos[0] * 3 + pos[1] ].SetLabel('O'),
								self.done.append( pos + ( 'O', ) ),
								loccals.__setitem__( 'shallReturn', True )
							) if pos + ( 'X', ) not in self.done and pos + ( 'O', ) not in self.done else None
						) for pos in loccals['state'] if not loccals[ 'shallReturn' ]
					]
				)
			)
		)
	}),
	app := wx.App(),
	root := Tris(),
	app.SetTopWindow( root ),
	app.MainLoop()
)