Pygame.Error: Video System Not Initialized

pygame.error: video system not initialized

You haven't called pygame.init() anywhere.

See the basic Intro tutorial, or the specific Import and Initialize tutorial, which explains:

Before you can do much with pygame, you will need to initialize it. The most common way to do this is just make one call.

pygame.init()

This will attempt to initialize all the pygame modules for you. Not all pygame modules need to be initialized, but this will automatically initialize the ones that do. You can also easily initialize each pygame module by hand. For example to only initialize the font module you would just call.

In your particular case, it's probably pygame.display that's complaining that you called either its set_caption or its flip without calling its init first. But really, as the tutorial says, it's better to just init everything at the top than to try to figure out exactly what needs to be initialized when.

pygame.error: video system not initialized

You should stop your main loop when you want to exit the game.

My suggestions, either of

• call exit() after pygame.quit()
• set finish = True and start = False (though due to some indentation issues with your pasted code it's not possible to tell that this would actually work)

You should call pygame.quit() only when you want to terminate your Python session.

My suggestion: if you want to call game() more than once, e.g. in an interactive session, you should remove the call to pygame.quit() inside game(). This function uninitializes pygame and naturally all attempts to call its functionality will fail then.

why do I get the error: pygame.error: video system not initialized

   for event in pygame.event.get():
        if event.type == pygame.QUIT:
            run = False
            pygame.quit()

    pygame.display.update()

When the event loop happens, if you close the window, you call pygame.quit(), which quits pygame. Then it tries to do:

pygame.display.update()

But pygame has quit, which is why you are getting the message.

separate the logic out. Events in one function or method, updating in another, and drawing and updating the display in another to avoid this.

Pygame error: video system not initialized, tried everything

Remove the pygame.quit() calls. If you call pygame.quit(), the pygame module will deinitialize; and if you keep using it afterwards, it will throw this error.

So instead of

if event.type == pygame.QUIT:
    pygame.quit()

just return from the function

if event.type == pygame.QUIT:
    return

and stop calling the menu function recursively.

pygame.error: video system not initialized. pygame.init() already called

Just add sys.exit(0) and the end and you are done

Here is some info from official document

pygame.quit() uninitialize all pygame modules quit() -> None
Uninitialize all pygame modules that have previously been initialized.
When the Python interpreter shuts down, this method is called
regardless, so your program should not need it, except when it wants
to terminate its pygame resources and continue. It is safe to call
this function more than once: repeated calls have no effect.

Note, that pygame.quit()uninitialize all pygame modules will not exit
your program. Consider letting your program end in the same way a
normal python program will end.

here is a sample code for you.

import pygame
import sys
pygame.init()
pygame.display.set_mode((900, 500 ) )

while True :
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                sys.exit(0)

pygame.error: video system not initialized

You haven't called pygame.init() anywhere.

See the basic Intro tutorial, or the specific Import and Initialize tutorial, which explains:

Before you can do much with pygame, you will need to initialize it. The most common way to do this is just make one call.

pygame.init()

This will attempt to initialize all the pygame modules for you. Not all pygame modules need to be initialized, but this will automatically initialize the ones that do. You can also easily initialize each pygame module by hand. For example to only initialize the font module you would just call.

In your particular case, it's probably pygame.display that's complaining that you called either its set_caption or its flip without calling its init first. But really, as the tutorial says, it's better to just init everything at the top than to try to figure out exactly what needs to be initialized when.

pygame error: video system has not initialized

Your culprit is this line:

if event.type == pygame.quit():

Instead of checking for the QUIT event, you're calling the pygame.quit() function the first time your program enters the game loop, and the function uninitializes your pygame state, which then causes your game to crash the next time you try to access any pygame state.

What you want is to check if you got the pygame.QUIT event.

import pygame

pygame.init()

screen = pygame.display.set_mode((800,600))
running = True
while running:
    for event in pygame.event.get():
        # this should be the event pygame.QUIT
        # and not the function pygame.quit()
        if event.type == pygame.QUIT:
            running = False

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