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How to use isalive method in pyatom

Best Python code snippet using pyatom_python

SpaceInvaders.py

Source:SpaceInvaders.py

1import pygame2import time3import random4from pygame.locals import *5#Initialze pygame6pygame.init()7#Defining RGB values for colours8BLACK = (0, 0, 0)9WHITE = (255, 255, 255)10GREY = (174, 182, 191)11GREEN = (0, 255, 0)12RED = (255, 0, 0)13BLUE = (0, 0, 255)14ORANGE = (255, 130, 0)15GOLD = (230, 215, 0)16YELLOW = (255,255,0)17font_comic = pygame.font.SysFont('Comic Sans MS', 40)18font_times = pygame.font.SysFont('Times New Roman', 40)19font_points = pygame.font.SysFont('Times New Roman', 20)20screen = pygame.display.set_mode((800,650)) #Initialzing display21pygame.display.set_caption('SPACE INVADER') 22clock = pygame.time.Clock()23score=024try:25	file_highscore=open("highscore.txt",'r') #reads highscore from text file26	file_highscore.seek(0,0)27	highest_score=int(file_highscore.read())28	file_highscore.close()29except:30	highest_score=031def WelcomeScreen(): #initial screen before the game begins32	global quit,game_state,invader1,invader2,invaderM,invader333	mouse_pos=pygame.mouse.get_pos()34	mouse_click=pygame.mouse.get_pressed()35	screen.fill(GREY)36	logo = pygame.image.load('space-invaders-logo_transparent.png')37	screen.blit(logo,(30,40))38	screen.blit(invader1,(150,550))39	points1 = font_points.render(':- 10 POINTS', False, BLUE)40	screen.blit(points1,(200,550))41	screen.blit(invader2,(450,550))42	points1 = font_points.render(':- 20 POINTS', False, BLUE)43	screen.blit(points1,(500,550))44	screen.blit(invader3,(150,600))45	points1 = font_points.render(':- 30 POINTS', False, BLUE)46	screen.blit(points1,(200,600))47	screen.blit(invaderM,(450,600))48	points1 = font_points.render(':- Mystery (Hit Thrice)', False, BLUE)49	screen.blit(points1,(500,600))50	if ((mouse_pos[0]-400)**2 + (mouse_pos[1]-400)**2) <=8100 :51		pygame.draw.circle(screen, RED,(400,400),90)52		if mouse_click[0]:53			game_state = 154			Game()55			56	else:57		pygame.draw.circle(screen, BLUE,(400,400),90)58	text_welcome = font_times.render('START', False, WHITE)59	screen.blit(text_welcome,(340,360))60	text_welcome = font_times.render('GAME', False, WHITE)61	screen.blit(text_welcome,(340,400))62def Game(): #The game has begin... initialize all classes and display63	global score,highest_score,ship,ship_x,ship_y,vel_ship,invader1a_list,invader1b_list,invader1c_list,invader2_list,invader3_list,invader_mys,obstruct1,obstruct2,obstruct3,obstruct4,invader1,invader2,invader3,invaderM,bullet,i1fire,i2fire,i3fire,i4fire,speed_invader1,speed_invader2,speed_invader3,speed_mys,bullet1,vel_bull,fire_alive64	background = pygame.image.load('background.png')65	screen.blit(background,(0,0))66	text_score = font_comic.render('SCORE:', False, GOLD)67	screen.blit(text_score,(150,25))68	text_score = font_comic.render(str(score), False, ORANGE)69	screen.blit(text_score,(270,25))70	text_score = font_comic.render('HIGH SCORE:', False, GOLD)71	screen.blit(text_score,(430,25))72	if highest_score<score:73		highest_score=score74		fo=open('highscore.txt','w')75		fo.write(str(highest_score))76		fo.close()77	text_score = font_comic.render(str(highest_score), False, ORANGE)78	screen.blit(text_score,(630,25))79	Spaceship()80	for i in range(len(invader1a_list)):81		if invader1a_list[i].isAlive:82			invader1a_list[i].Get_Invader()83		if invader1b_list[i].isAlive:84			invader1b_list[i].Get_Invader()85		if invader1c_list[i].isAlive:86			invader1c_list[i].Get_Invader()87	for i in range(len(invader2_list)):88		if invader2_list[i].isAlive:	89			invader2_list[i].Get_Invader()90		if invader3_list[i].isAlive:91			invader3_list[i].Get_Invader()92	if invader_mys.isAlive:93			invader_mys.Get_Invader()94	Move_Invader()95	for obstructs in obstruct1:96		if obstructs.isAlive:97			obstructs.Obs()98	for obstructs in obstruct2:99		if obstructs.isAlive:100			obstructs.Obs()101	for obstructs in obstruct3:102		if obstructs.isAlive:103			obstructs.Obs()104	for obstructs in obstruct4:105		if obstructs.isAlive:106			obstructs.Obs()107	Reach_bottom()108	Check_hit()109	if bullet1.isAlive:110		bullet1.bullet_y+=vel_bull111		bullet1.Get_Bullet()112		if bullet1.bullet_y<= 50:113			bullet1.isAlive=False114	firebyinvader()115	checkhit_invader()116			117def Left_press(): #increase velocity118	global vel_ship119	vel_ship=-10120	pass121def Right_press(): #increase velocity122	global vel_ship123	vel_ship=10124	pass125def Release_arrowkey(): #velocity=0126	global vel_ship127	vel_ship=0128	pass129def Game_end(): ##Increase size of font and positioning correctly left130	global quit,game_state131	mouse=pygame.mouse.get_pos()132	click=pygame.mouse.get_pressed()133	screen.fill(GOLD)134	myfont_win = pygame.font.SysFont('Comic Sans MS', 120)135	col=random.choice((1,2,3))136	if game_state==2:137		game_endtext='YOU LOST <_>..!!'138	if game_state == 3:139		game_endtext='YOU WONNN <_>..!!'140	if col==1:141		textsurface=myfont_win.render(str(game_endtext),False, BLUE)142		screen.blit(textsurface,(100,200)) 143	if col==2:144		textsurface=myfont_win.render(str(game_endtext),False, ORANGE)145		screen.blit(textsurface,(100,200))146	if col==3:147		textsurface=myfont_win.render(str(game_endtext),False, RED)148		screen.blit(textsurface,(100,200))149	if mouse[0] < 375 and mouse[0] > 200 and mouse[1] < 450 and mouse[1] > 400:150		pygame.draw.rect(screen, GREEN,(200, 400,125,50))151		if click[0]==1:152			quit=True153	else:154		pygame.draw.rect(screen,RED,(200,400,125,50))   155	textsurface = myfont_quit.render('QUIT', False, WHITE)156	screen.blit(textsurface,(222,410)) 157	if mouse[0] < 650 and mouse[0] > 430 and mouse[1] < 450 and mouse[1] > 400:158		pygame.draw.rect(screen, GREEN,(410,400,220,50))159		if click[0]==1:160			initial()161			game_state = 1	162			Game()163	else:164		pygame.draw.rect(screen,BLUE,(410,400,220,50))   165	textsurface = myfont_quit.render('PLAY AGAIN', False, WHITE)166	screen.blit(textsurface,(435,412))167def Fire_Spaceship(): #release a bullet from same x coordinate upwards168	global bullet1,vel_bull169	if bullet1.isAlive:170		pass171	else:172		bullet1=Bullet(bullet)173		bullet1.isAlive = True174		vel_bull=-15175	pass176def firebyinvader():177	global i1fire,i2fire,i3fire,i4fire,fire_alive,fire,fire_y,shooter,fire_x178	shot = [i1fire,i2fire,i3fire,i4fire]179	if fire_alive == False:180		fire = random.choice(shot)181		fire_alive = True182		if fire == i1fire:183			shooter = random.choice(invader1b_list)184			fire_y=shooter.invader_y185			fire_x=shooter.invader_x186		elif fire == i2fire:187			shooter = random.choice(invader3_list)188			fire_y=shooter.invader_y189			fire_x=shooter.invader_x190		elif fire == i3fire:191			shooter = random.choice(invader2_list)192			fire_y=shooter.invader_y193			fire_x=shooter.invader_x194		else:195			shooter = invader_mys196			fire_y=shooter.invader_y197			fire_x=shooter.invader_x198	screen.blit(fire,(fire_x,fire_y))199	fire_y+=7200	if fire_y > ship_y+5:201		fire_alive=False202def initial():203	global ship,ship_x,ship_y,vel_ship,invader1a_list,invader1b_list,invader1c_list,invader2_list,invader3_list,invader_mys,obstruct1,obstruct2,obstruct3,obstruct4,invader1,invader2,invader3,invaderM,bullet,i1fire,i2fire,i3fire,i4fire,speed_invader1,speed_invader2,speed_invader3,speed_mys,bullet1,score,fire_alive204	# Spaceship object and starting coordinates205	score=0206	ship = pygame.image.load('tank.png').convert_alpha()207	ship_y = screen.get_height() - 70208	ship_x = screen.get_width()/2 - ship.get_width()/2209	vel_ship=0210	fire_alive = False211	# Invader Class212	invader1 = pygame.image.load('i1.png').convert_alpha()213	invader2 = pygame.image.load('i3.png').convert_alpha()  214	invader3 = pygame.image.load('i2.png').convert_alpha()  215	invaderM = pygame.image.load('i4.png').convert_alpha()216	i1fire = pygame.image.load('i1fire.png')217	i2fire = pygame.image.load('i2fire.png')218	i3fire = pygame.image.load('i3fire.png')219	i4fire = pygame.image.load('i4fire.png')220	bullet = pygame.image.load('bullet.jpg')221	bullet1 = Bullet(bullet)222	bullet2 = Bullet(i1fire)223	bullet3 = Bullet(i2fire)224	bullet4 = Bullet(i3fire)225	bullet5 = Bullet(i4fire)226	speed_invader1 = 2227	speed_invader2 = -3228	speed_invader3 = 3229	speed_mys = 8230	##Initalise invaders231	invader1a_list=[Invader1(invader1,i,300) for i in range(200,650,50)]232	invader1b_list=[Invader1(invader1,i,265) for i in range(200,650,50)]233	invader1c_list=[Invader1(invader1,i,230) for i in range(200,650,50)]234	invader2_list=[Invader2(invader2,i,185) for i in range(220,680,50)]235	invader3_list=[Invader3(invader3,i,140) for i in range(220,590,40)]236	invader_mys=Invader_Mystery(invaderM,380,100)237	obstruct1 = [Obstruct(100+i,500+j) for j in range(0,30,10) for i in range (0,50,10)]238	obstruct2 = [Obstruct(300+i,500+j) for j in range(0,30,10) for i in range (0,50,10)]239	obstruct3 = [Obstruct(500+i,500+j) for j in range(0,30,10) for i in range (0,50,10)]240	obstruct4 = [Obstruct(700+i,500+j) for j in range(0,30,10) for i in range (0,50,10)]241# Function to change positon and display Spaceship242def Spaceship():243	global vel_ship,ship,ship_y,ship_x244	ship_x+=vel_ship245	if ship_x <= 0 + 5: #stop if hits left wall246		ship_x-=vel_ship247		vel_ship=0248	if ship_x >= 800 - ship.get_width(): #stop if hits right wall249		ship_x-=vel_ship250		vel_ship=0251	screen.blit(ship,(ship_x,ship_y))252class Invader1: #score=10253	def __init__(self,invader1,invader_x,invader1_y):254		self.invader1 = invader1255		self.invader_x = invader_x256		self.invader_y = invader1_y257		self.isAlive = True258	259	def Get_Invader(self):260		screen.blit(self.invader1,(self.invader_x,self.invader_y))261	def Invader_Attack(self):262		global score263		self.isAlive = False264		score += 10 #score=10265class Invader2: #score=20266	def __init__(self,invader2,invader_x,invader2_y):267		self.invader2 = invader2268		self.invader_x = invader_x269		self.invader_y = invader2_y270		self.isAlive = True271	272	def Get_Invader(self):273		screen.blit(self.invader2,(self.invader_x,self.invader_y))274	def Invader_Attack(self):275		global score276		self.isAlive = False277		score += 20 #score=20278class Invader3: #score=30279	def __init__(self,invader3,invader_x,invader3_y):280		self.invader3 = invader3281		self.invader_x = invader_x282		self.invader_y = invader3_y283		self.isAlive = True284	285	def Get_Invader(self):286		screen.blit(self.invader3,(self.invader_x,self.invader_y))287	def Invader_Attack(self):288		global score289		self.isAlive = False290		score += 30 #score=30291class Invader_Mystery: #needs to be attacked thrice to be killed and score =100292	def __init__(self,invader_m,invader_x,invaderM_y):293		self.invaderM = invader_m294		self.invader_x = invader_x295		self.invader_y = invaderM_y296		self.isAlive = True297		self.count=0298	299	def Get_Invader(self):300		screen.blit(self.invaderM,(self.invader_x,self.invader_y))301	def Invader_Attack(self):302		global score303		self.count+=1304		if self.count==3:305			self.isAlive = False 306			score += 100307class Bullet:308	global ship_x,ship_y309	def __init__(self,bullet):310		self.bullet = bullet311		self.bullet_x = ship_x + ship.get_width()/2 -5312		self.bullet_y = ship_y313		self.isAlive = False314	def Get_Bullet(self):315		screen.blit(self.bullet,(self.bullet_x,self.bullet_y))316# Invader Movement Function317def Move_Invader():318	global invader1a_list,invader2_list,invader1b_list,invader1c_list,invader3_list,invader_mys,speed_invader1,speed_invader2,speed_mys,speed_invader3319	320	left = 0321	right = -1322	flag_left,flag_right = 1,1323	while flag_left or flag_right: #to check the leftmost and rightmost alive row324		if invader1a_list[left].isAlive or invader1b_list[left].isAlive or invader1c_list[left].isAlive:325			flag_left=0326		else:327			left += 1328		if invader1a_list[right].isAlive or invader1b_list[right].isAlive or invader1c_list[right].isAlive:329			flag_right=0330		else:331			right -= 1332	if (invader1a_list[right].invader_x >= 750 or invader1a_list[left].invader_x <= 15) :333		speed_invader1 *= -1.05334	for invaders in invader1a_list:335		invaders.invader_x += speed_invader1336		invaders.invader_y += 0.13337	for invaders in invader1b_list:338		invaders.invader_x += speed_invader1339		invaders.invader_y += 0.13340	for invaders in invader1c_list:341		invaders.invader_x += speed_invader1342		invaders.invader_y += 0.13343	left = 0344	right = -1345	flag_left,flag_right = 1,1346	while flag_left or flag_right: #to check the leftmost and rightmost alive row347		if invader2_list[left].isAlive:348			flag_left=0349		else:350			left += 1351		if invader2_list[right].isAlive:352			flag_right=0353		else:354			right -= 1355	if (invader2_list[right].invader_x >= 750 or invader2_list[left].invader_x <= 15) :356		speed_invader2 *= -1.03357	for invaders in invader2_list:358		invaders.invader_x += speed_invader2359		invaders.invader_y += 0.13360	left = 0361	right = -1362	flag_left,flag_right = 1,1363	while flag_left or flag_right: #to check the leftmost and rightmost alive row364		if invader3_list[left].isAlive:365			flag_left=0366		else:367			left += 1368		if invader3_list[right].isAlive:369			flag_right=0370		else:371			right -= 1372	if (invader3_list[right].invader_x >= 750 or invader3_list[left].invader_x <= 15) :373		speed_invader3 *= -1.03374	for invaders in invader3_list:375		invaders.invader_x += speed_invader3376		invaders.invader_y += 0.13377	if (invader_mys.invader_x >= 740 or invader_mys.invader_x <=15 ):378		speed_mys *= -1.01379	invader_mys.invader_x += speed_mys380	invader_mys.invader_y += 0.1381class Obstruct:382	def __init__(self,x,y):383		self.x = x384		self.y = y385		self.isAlive = True386	def Obs(self):387		'''pygame.draw.rect(screen,GREY,(self.x,self.y,10,10))388								for i in range (0,4):389									pygame.draw.line(screen,BLACK,(self.x,self.y+2*(i+1)),(self.x+10,self.y+2*(i+1)))390									pygame.draw.line(screen,BLACK,(self.x+2*(i+1),self.y),(self.x+2*(i+1),self.y+10))'''391		obs_image=pygame.image.load('spray_10.jpg').convert_alpha()392		screen.blit(obs_image,(self.x,self.y))393	def Obs_Attack():394		self.isAlive = False395def Reach_bottom():396	global game_state397	for invader in invader1a_list:398		if invader.isAlive and (invader.invader_y>450):399			game_state=2400			return False401	for invader in invader1b_list:402		if invader.isAlive and (invader.invader_y>450):403			game_state=2404			return False405	for invader in invader1c_list:406		if invader.isAlive and (invader.invader_y>450):407			game_state=2408			return False409	for invader in invader2_list:410		if invader.isAlive and (invader.invader_y>450):411			game_state=2412			return False413	for invader in invader3_list:414		if invader.isAlive and (invader.invader_y>450):415			game_state=2416			return False417	if invader_mys.isAlive and (invader_mys.invader_y>410):418		game_state =2419def Check_hit():420	if bullet1.isAlive:421		for i in range(len(invader1a_list)):422			if invader1a_list[i].isAlive:423				if bullet1.bullet_x+3 >= invader1a_list[i].invader_x and bullet1.bullet_x+3 <= invader1a_list[i].invader_x + 28 and bullet1.bullet_y+9 >= invader1a_list[i].invader_y and bullet1.bullet_y+9 <= invader1a_list[i].invader_y + 26:424					bullet1.isAlive = False425					invader1a_list[i].Invader_Attack()426			if invader1b_list[i].isAlive:427				if bullet1.bullet_x+3 >= invader1b_list[i].invader_x and bullet1.bullet_x+3 <= invader1b_list[i].invader_x + 28 and bullet1.bullet_y+9 >= invader1b_list[i].invader_y and bullet1.bullet_y+9 <= invader1b_list[i].invader_y + 26:428					bullet1.isAlive = False429					invader1a_list[i].Invader_Attack()430			if invader1c_list[i].isAlive:431				if bullet1.bullet_x+3 >= invader1c_list[i].invader_x and bullet1.bullet_x+3 <= invader1c_list[i].invader_x + 28 and bullet1.bullet_y+9 >= invader1c_list[i].invader_y and bullet1.bullet_y+9 <= invader1c_list[i].invader_y + 26:432					bullet1.isAlive = False433					invader1a_list[i].Invader_Attack()434		for i in range(len(invader2_list)):435			if invader2_list[i].isAlive:	436				if bullet1.bullet_x+3 >= invader2_list[i].invader_x and bullet1.bullet_x+3 <= invader2_list[i].invader_x + 35 and bullet1.bullet_y+9 >= invader2_list[i].invader_y and bullet1.bullet_y+9 <= invader2_list[i].invader_y + 24:437					bullet1.isAlive = False438					invader2_list[i].Invader_Attack()439			if invader3_list[i].isAlive:440				if bullet1.bullet_x+3 >= invader3_list[i].invader_x and bullet1.bullet_x+3 <= invader3_list[i].invader_x + 28 and bullet1.bullet_y+9 >= invader3_list[i].invader_y and bullet1.bullet_y+9 <= invader3_list[i].invader_y + 26:441					bullet1.isAlive = False442					invader3_list[i].Invader_Attack()443		if invader_mys.isAlive:444				if bullet1.bullet_x+3 >= invader_mys.invader_x and bullet1.bullet_x+3 <= invader_mys.invader_x + 28 and bullet1.bullet_y+9 >= invader_mys.invader_y and bullet1.bullet_y+9 <= invader_mys.invader_y + 26:445					bullet1.isAlive = False446					invader_mys.Invader_Attack()447		for obstructs in obstruct1:448			if obstructs.isAlive:449				if bullet1.bullet_x+3 >= obstructs.x and bullet1.bullet_x+3 <= obstructs.x + 10 and bullet1.bullet_y+9 >= obstructs.y and bullet1.bullet_y+3 <= obstructs.y + 10:450					bullet1.isAlive = False451					obstructs.isAlive = False452		for obstructs in obstruct2:453			if obstructs.isAlive:454				if bullet1.bullet_x+3 >= obstructs.x and bullet1.bullet_x+3 <= obstructs.x + 10 and bullet1.bullet_y+9 >= obstructs.y and bullet1.bullet_y+3 <= obstructs.y + 10:455					bullet1.isAlive = False456					obstructs.isAlive = False457		for obstructs in obstruct3:458			if obstructs.isAlive:459				if bullet1.bullet_x+3 >= obstructs.x and bullet1.bullet_x+3 <= obstructs.x + 10 and bullet1.bullet_y+9 >= obstructs.y and bullet1.bullet_y+3 <= obstructs.y + 10:460					bullet1.isAlive = False461					obstructs.isAlive = False462		for obstructs in obstruct4:463			if obstructs.isAlive:464				if bullet1.bullet_x+3 >= obstructs.x and bullet1.bullet_x+3 <= obstructs.x + 10 and bullet1.bullet_y+9 >= obstructs.y and bullet1.bullet_y+3 <= obstructs.y + 10:465					bullet1.isAlive = False466					obstructs.isAlive = False467def checkhit_invader():468	global fire_alive,game_state469	if fire_alive==True:470		for obstructs in obstruct1:471			if obstructs.isAlive:472				if fire_x+3 >= obstructs.x and fire_x+3 <= obstructs.x + 10 and fire_y+9 >= obstructs.y and fire_y+3 <= obstructs.y + 10:473					fire_alive = False474					obstructs.isAlive = False475		for obstructs in obstruct2:476			if obstructs.isAlive:477				if fire_x+3 >= obstructs.x and fire_x+3 <= obstructs.x + 10 and fire_y+9 >= obstructs.y and fire_y+3 <= obstructs.y + 10:478					fire_alive = False479					obstructs.isAlive = False480		for obstructs in obstruct3:481			if obstructs.isAlive:482				if fire_x+3 >= obstructs.x and fire_x+3 <= obstructs.x + 10 and fire_y+9 >= obstructs.y and fire_y+3 <= obstructs.y + 10:483					fire_alive = False484					obstructs.isAlive = False485		for obstructs in obstruct4:486			if obstructs.isAlive:487				if fire_x+3 >= obstructs.x and fire_x+3 <= obstructs.x + 10 and fire_y+9 >= obstructs.y and fire_y+3 <= obstructs.y + 10:488					fire_alive = False489					obstructs.isAlive = False490		if (ship_x-5 < fire_x < ship_x + ship.get_width()-5) and (fire_y > ship_y):491			game_state=2492			Game_end()493##MAIN494initial()495WelcomeScreen() ## contains initial screen496## game state=0 means start page... =1 means game is going on... =2 means game lost... =3 means won the game497game_state=0 498quit=False499while not quit:500	if not game_state:501		WelcomeScreen()502	elif game_state==1:503		Game()504	elif game_state == 2:505		Game_end()506	elif game_state ==3:507		Game_end()508	for event in pygame.event.get(): 509		if event.type == pygame.KEYDOWN:510			if event.key == pygame.K_LEFT:511				Left_press()512		if event.type == pygame.KEYDOWN:513			if event.key == pygame.K_RIGHT:514				Right_press()515		if event.type == pygame.KEYUP:516			if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:517				Release_arrowkey()518		if event.type == pygame.KEYDOWN:519			if event.key == pygame.K_SPACE:520				Fire_Spaceship()521		if event.type == pygame.QUIT:522			quit = True523	524	clock.tick(20) #Sets FPS of the game525	pygame.display.update()...

test_isalive.py

Source:test_isalive.py

...23from . import PexpectTestCase24class IsAliveTestCase(PexpectTestCase.PexpectTestCase):25    """Various tests for the running status of processes."""26    def test_expect_wait(self):27        """Ensure consistency in wait() and isalive()."""28        p = pexpect.spawn('sleep 1')29        assert p.isalive()30        assert p.wait() == 031        assert not p.isalive()32        # In previous versions of ptyprocess/pexpect, calling wait() a second33        # time would raise an exception, but not since v4.034        assert p.wait() == 035    def test_expect_wait_after_termination(self):36        """Ensure wait on a process terminated by kill -9."""37        p = pexpect.spawn('sleep 3')38        assert p.isalive()39        p.kill(9)40        time.sleep(1)41        # when terminated, the exitstatus is None, but p.signalstatus42        # and p.terminated reflects that the kill -9 nature.43        assert p.wait() is None44        assert p.signalstatus == 945        assert p.terminated == True46        assert not p.isalive()47    def test_signal_wait(self):48        '''Test calling wait with a process terminated by a signal.'''49        if not hasattr(signal, 'SIGALRM'):50            return 'SKIP'51        p = pexpect.spawn(self.PYTHONBIN, ['alarm_die.py'])52        p.wait()53        assert p.exitstatus is None54        self.assertEqual(p.signalstatus, signal.SIGALRM)55    def test_expect_isalive_dead_after_normal_termination (self):56        p = pexpect.spawn('ls', timeout=15)57        p.expect(pexpect.EOF)58        assert not p.isalive()59    def test_expect_isalive_dead_after_SIGHUP(self):60        p = pexpect.spawn('cat', timeout=5, ignore_sighup=False)61        assert p.isalive()62        force = False63        if sys.platform.lower().startswith('sunos'):64            # On Solaris (SmartOs), and only when executed from cron(1), SIGKILL65            # is required to end the sub-process. This is done using force=True66            force = True67        assert p.terminate(force) == True68        p.expect(pexpect.EOF)69        assert not p.isalive()70    def test_expect_isalive_dead_after_SIGINT(self):71        p = pexpect.spawn('cat', timeout=5)72        assert p.isalive()73        force = False74        if sys.platform.lower().startswith('sunos'):75            # On Solaris (SmartOs), and only when executed from cron(1), SIGKILL76            # is required to end the sub-process. This is done using force=True77            force = True78        assert p.terminate(force) == True79        p.expect(pexpect.EOF)80        assert not p.isalive()81    def test_expect_isalive_dead_after_SIGKILL(self):82        p = pexpect.spawn('cat', timeout=5)83        assert p.isalive()84        p.kill(9)85        p.expect(pexpect.EOF)86        assert not p.isalive()87    def test_forced_terminate(self):88        p = pexpect.spawn(self.PYTHONBIN, ['needs_kill.py'])89        p.expect('READY')90        assert p.terminate(force=True) == True91        p.expect(pexpect.EOF)92        assert not p.isalive()93### Some platforms allow this. Some reset status after call to waitpid.94### probably not necessary, isalive() returns early when terminate is False.95    def test_expect_isalive_consistent_multiple_calls (self):96        '''This tests that multiple calls to isalive() return same value.97        '''98        p = pexpect.spawn('cat')99        assert p.isalive()100        assert p.isalive()101        p.sendeof()102        p.expect(pexpect.EOF)103        assert not p.isalive()104        assert not p.isalive()105if __name__ == '__main__':106    unittest.main()...

cgol.py

Source:cgol.py

1import sys2import pyopencl as cl3import numpy as np4class CGOL():5    kernel = r"""6        int checkField(__global signed char *cells, int x, int y, int size){7            x = (x + size) % size;8            y = (y + size) % size;9            if (cells[x*size+y] > 0)  return 1;10            else                    return 0;11        }12        __kernel void cgol(__global signed char *cells_in, __global signed char *cells_out, int size){13            int x = get_global_id(0);14            int y = get_global_id(1);15            16            int neighbours = 0;17            int isAlive = cells_in[x*size+y];18            for (int i = -1; i<2; i++){19                for (int j = -1; j<2; j++){20                    if(i!=0 || j!=0){21                        neighbours += checkField(cells_in, x+i, y+j, size);22                    }23                }24            }25            //Any live cell with fewer than two live neighbours dies, as if by underpopulation.26            if(isAlive > 0 && neighbours < 2) isAlive = 0;27            //Any live cell with two or three live neighbours lives on to the next generation.28            else if(isAlive > 0 && neighbours < 4) isAlive = 1;29            //Any live cell with more than three live neighbours dies, as if by overpopulation.30            else if(isAlive > 0 && neighbours > 3) isAlive = 0;31            //Any dead cell with exactly three live neighbours becomes a live cell, as if by reproduction.32            else if(isAlive == 0 && neighbours == 3)isAlive = 1;33            cells_out[x*size+y] = (signed char) isAlive;34        }35        """36    def __init__(self, size):37        self.cells = np.random.randint(low=2, size=(size,size), dtype=np.byte)38        self.size = size39        # Prep OpelCL40        self.context = cl.create_some_context()41        self.queue = cl.CommandQueue(self.context)42        self.cells_buffer = cl.Buffer(self.context, cl.mem_flags.READ_WRITE, self.cells.nbytes)43        self.cells_buffer_out = cl.Buffer(self.context, cl.mem_flags.READ_WRITE, self.cells.nbytes)44        cl.enqueue_copy(self.queue, self.cells_buffer, self.cells).wait()45        self.programm = cl.Program(self.context, self.kernel)46        try:47            self.programm.build()48        except Exception:49            print("Error:")50            print(self.programm.get_build_info(self.context.devices[0], cl.program_build_info.LOG))51            raise52    53    def calculate_next_generation(self):54        self.programm.cgol(55            self.queue, #queue56            (self.size,self.size), #global_size57            None, #local_size58            self.cells_buffer, # Argument 0 (cells_in)59            self.cells_buffer_out, # Argument 1 (cells_out)60            np.int32(self.size)) # Argument 2 (size)61        self.cells_buffer_out, self.cells_buffer = self.cells_buffer, self.cells_buffer_out62    def get_cells(self):63        cl.enqueue_copy(self.queue, self.cells, self.cells_buffer).wait()64        return self.cells65    def print_current_generation(self):66        cells = self.get_cells()67        s = ""68        for row in cells:69            for element in row:70                s+= f"\033[91mX \033[0m" if element == 1 else "\033[92mX \033[0m"71            s+='\n'72        print(s)73    def save_current_generation(self, path):74        cells = self.get_cells()75        s=""76        for row in cells:77            for element in row:78                s+= f"X " if element == 1 else "- "79            s+='\n'80        with open(path, "w") as f:81            f.write(s)82if __name__ == '__main__':83    SIZE = int(sys.argv[1])84    GENERATIONS = int(sys.argv[2])85    print(f'Start CGOL OPENCL')86    print(f"Generations: {GENERATIONS}")87    print(f"Size: {SIZE}")88    cgol = CGOL(size=SIZE)89    for i in range(GENERATIONS):90        cgol.calculate_next_generation()...

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