[PyQt] QProcess problems/question

Gustavo A. Díaz gustavo.diaz at gmail.com
Tue Jun 17 20:44:24 BST 2008

Yeah well, i am still newbie here... so...

Thanks for the Tip...

2008/6/17 Andreas Pakulat <apaku at gmx.de>:

> On 17.06.08 15:52:02, Gustavo A. Díaz wrote:
> > But the command is not being executed since i still have the export of
> the
> > proxy variables empty.
> > What i am doing wrong here?
> You don't understand how processes and environment variables work.
> QProcess forks a new child process to execute the command you give it.
> Problem one: "export ..." is not a command, its a shell builtin function
> (bash probably) and thus won't do anything on its own. So you'd at least
> need to use something like "bash -c 'export ...'" as command. Next
> problem is that "export" only works in the shell and any shells that are
> started from the shell its been executed in. It doesn't have any
> influence on any other shell running on your machine and thus doesn't
> have any influence on any other process that you execute via QProcess or
> anywhere else in your system. If you want to start an application that
> uses these variables, you should start the application via QProcess and
> use QProcess' functions to set the environment variables (IIRC
> setEnvironment()). Thats the only way to do this.
> Andreas
> --
> Exercise caution in your daily affairs.
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Gustavo A. Díaz
GDNet Projects
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