[newbie] how to make program suggest to install missing modules

[sohcahtoa82 at gmail.com]

On Monday, December 8, 2014 9:44:50 AM UTC-8, hugocoolens wrote:
> I'd like to add the following to a python-program:
> 
> when a module (take rtlsdr as an example) is not installed on the system I'd like to ask the program something like:
> 
> module rtlsdr is missing, shall I install it? y or n
> if n -->sorry but then I can't run this program and quit program
> if y -->execute this command: 
> os.system(sudo pip install pyrtlsdr)
> 
> continue program
> 
> can anyone here show me how to perform this properly?
> 
> thanks in advance
> hugo

Hint:

try:
    import someModule
except ImportError:
    print "Module is missing"
    # handle it!

Just make sure to attempt to import it again after making the call to pip to install it.