Out of curiousity, why would you want to do this at all? Cheers, Elias
19 sep 2013 kl. 04:43 skrev Nathan Rusch <[email protected]>: > Yeah, that's a possibility as well, but then you're left in a tough spot: You > have to either A) start from the running process' environment and sanitize it > down to something generic *enough*, or B) build up a new environment from > scratch. Neither approach is great, but I suppose if you know which > environment variables you'll be needing to set, you could pop them out of a > copy of os.environ and then pass that to your subprocess. > > Or, if you wanted to try building one up from scratch, you could probably > inspect the registry to get all of the system- and user-level variables that > would be set in a default shell environment, or just make some assumptions > and set or copy specific values from the current process' environment. > > -Nathan > > > -----Original Message----- From: Ben Dickson > Sent: Wednesday, September 18, 2013 7:17 PM > To: Nuke Python discussion > Subject: Re: [Nuke-python] Launch a totally new Nuke process... From > insideNuke > > Windows might be slightly different in this regard, but on OS X/Linux > the environment variables like NUKE_PATH will be inherited by the child > process. > > To start the process in a clean environment, you would do this: > > subprocess.Popen(args, env={}) > > or: > > subprocess.Popen(args, env={ > 'CONFIG_THING': os.getenv("CONFIG_THING"), ...}) > > > On 19/09/13 11:39, Dennis Serras wrote: >> Unfortunately, that still doesn’t work – it still considers the packages >> loaded in the initial Nuke install to be loaded already, so won’t load >> different packages. What I need is for it to behave as if I created a >> totally new console and typed in the launch commands; even though this >> creates a new CMD window, it behaves as if it were an extension of the >> same cmd that launched Nuke initially. Maybe I need a different approach… >> >> *den serras * >> >> @ stereoD >> >> *From:*[email protected] >> [mailto:[email protected]] *On Behalf Of >> *Nathan Rusch >> *Sent:* Tuesday, September 17, 2013 9:38 AM >> *To:* Nuke Python discussion >> *Subject:* Re: [Nuke-python] Launch a totally new Nuke process... From >> inside Nuke >> >> 'start' works fine with 'cmd', but it isn't an executable, so you have >> to run it... through cmd again. You should be using subprocess.Popen >> instead of os.system though: >> >> args = ['cmd', '/C', 'start', 'cmd', '/K', >> os.path.normpath(nuke.env['ExecutablePath'])] >> >> if nuke.env['nukex']: >> >> args.append('--nukex') >> >> subprocess.Popen(args) >> >> -Nathan >> >> *From:*Dennis Serras <mailto:[email protected]> >> >> *Sent:*Monday, September 16, 2013 6:38 PM >> >> *To:*[email protected] >> <mailto:[email protected]> >> >> *Subject:*[Nuke-python] Launch a totally new Nuke process... From inside >> Nuke >> >> Having fun trying to launch Nuke from Nuke. We have a custom Windows >> command line launch system that handles all the packages, versions, >> licensing, etc.; it’s based on subprocess.Popen. I’m building a tool >> that allows launching of a script with a different build and/or package >> of Nuke. When I use the usual culprits (subprocess.call, >> subprocess.Popen, os.popen, etc.) they all want to launch a new Nuke in >> the same cmd window and with the same setup as the current one – if I >> use any other setup it fails. So I figured I need to launch from a new >> cmd window – so tried os.system(“start cmd /K blahblah”), and >> os.startfile(“blahblah.bat”) which created a new cmd window – but it >> still has the same problem. Of course if I use cmd directly I can launch >> as many different versions of Nuke as I have licenses free. Any ideas >> how I can do this? >> >> Thanks! >> >> Den >> >> *den serras* >> >> @ >> >> senior technical artist | *stereo D*| deluxe 3D >> >> >> This e-mail and any attachments are intended only for use by the >> addressee(s) named herein and may contain confidential information. If >> you are not the intended recipient of this e-mail, you are hereby >> notified any dissemination, distribution or copying of this email and >> any attachments is strictly prohibited. If you receive this email in >> error, please immediately notify the sender by return email and >> permanently delete the original, any copy and any printout thereof. The >> integrity and security of e-mail cannot be guaranteed. >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> Nuke-python mailing list >> [email protected] >> <mailto:[email protected]>, >> http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python >> >> >> This e-mail and any attachments are intended only for use by the >> addressee(s) named herein and may contain confidential information. If >> you are not the intended recipient of this e-mail, you are hereby >> notified any dissemination, distribution or copying of this email and >> any attachments is strictly prohibited. If you receive this email in >> error, please immediately notify the sender by return email and >> permanently delete the original, any copy and any printout thereof. The >> integrity and security of e-mail cannot be guaranteed. >> >> >> _______________________________________________ >> Nuke-python mailing list >> [email protected], http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python > > -- > ben dickson > 2D TD | [email protected] > rising sun pictures | www.rsp.com.au > _______________________________________________ > Nuke-python mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python > _______________________________________________ > Nuke-python mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python _______________________________________________ Nuke-python mailing list [email protected], http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python
