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Python Discussion Thread
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Mar 20th, 2007

Handling CD Drives from python

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Hey,

Just a simple question really, i was looking through the documentation for python and i couldn't find anything that did basic cd drive things, like ejecting it and stuff. The one module i did find 'cd' was only compatible on IRIX systems.

After failing miserably on google i was just wondering if anyone happened to know of a command or module that opens the cd drive, and reads from it, seems simple but meh..

I'm hoping theres something built in that does it.

Thanks,
a1eio

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a1eio

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Junior Poster

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Mar 20th, 2007

Re: Handling CD Drives from python

You could use os.popen if you are on unix like operating systems to run shell commands like nautilus-cd-burner or anything you like.

coder_gus

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Mar 21st, 2007

Re: Handling CD Drives from python

yea, i forgot to mention, i'm trying to do this on a windows machine.

the os.popen idea did occur to me, but then i got stuck again.. :p i don't know the dos command for opening the cd drive.

thanks
a1eio

a1eio

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Mar 21st, 2007

Re: Handling CD Drives from python

Click to Expand / Collapse Quote originally posted by a1eio ...

yea, i forgot to mention, i'm trying to do this on a windows machine.

the os.popen idea did occur to me, but then i got stuck again.. :p i don't know the dos command for opening the cd drive.

thanks
a1eio

if you have pygame, you can use its inbuilt cdrom commands

Python Syntax (Toggle Plain Text)
import pygame.cdrom as cdrom
cdrom.init()
cd = cdrom.CD(0) # 0 = first cdrom device
cd.init()
cd.eject()
cd.quit()
cdrom.quit()
import pygame.cdrom as cdrom
cdrom.init()
cd = cdrom.CD(0) # 0 = first cdrom device
cd.init()
cd.eject()
cd.quit()
cdrom.quit()

or here's something i found GNU CD Input and Control Library . you can try it out.

ghostdog74

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Sep 3rd, 2009

Re: Handling CD Drives from python

Is there any way (non platform-depended) to close the tray using python 3.

I couldn't find any function in the api of pygame.cdrom module. The best result so far is for Windows.

http://code.activestate.com/recipes/180919/

myle

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Sep 4th, 2009

Re: Handling CD Drives from python

on windows use os.system("YOUR EJECT COMMAND HERE")

evstevemd

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Sep 4th, 2009

Re: Handling CD Drives from python

Here is one that works on Windows machines with Python3 ...

python Syntax (Toggle Plain Text)
# open and close the CD tray door (Windows OS)
# tested with Python 3.1
 
import ctypes
import time
 
# open the CD tray door
ctypes.windll.winmm.mciSendStringW("set cdaudio door open",
    None, 0, None)
 
# wait 3.5 seconds
time.sleep(3.5)
 
# close the CD tray (manual closing only with some notebooks)
ctypes.windll.winmm.mciSendStringW("set cdaudio door closed",
    None, 0, None)
# open and close the CD tray door (Windows OS)
# tested with Python 3.1

import ctypes
import time

# open the CD tray door
ctypes.windll.winmm.mciSendStringW("set cdaudio door open",
    None, 0, None)

# wait 3.5 seconds
time.sleep(3.5)

# close the CD tray (manual closing only with some notebooks)
ctypes.windll.winmm.mciSendStringW("set cdaudio door closed",
    None, 0, None)

vegaseat

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