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Well, I am not directly familiar with the program, but a quick 'emerge -s wifi' brought up the following on one of my servers:
Latest version available: 2.0.8
Latest version installed: [ Not Installed ]
Size of files: 61 kB
Description: WiFi Radar is a Python/PyGTK2 utility for managing WiFi profiles.
I took a look at the website and screenshots and I think it's what you might be looking for.
You can use wpa_gui for basic authentication set-up, and then dhcpcd to get the rest of the settings. That's to get your current gentoo system connected. Then look for a network manager. I have found wicd quite helpful.
I agree with i92guboj in that you should be able to point the driver for wifi-radar at wpa_supplicant.
If that doesn't work though, you can use 'lshw' to find out which driver the interface grabs and use that directly. At the very least, lshw will give you the chipset that the interface has so you can find the right driver for it.
Well, one way is to make sure that you get the URLs you need is to check that you aren't connected on a network (which, iirc, is a given), and just run:
~ # emerge -f calibre >> ~/calibre-pkglist.txt
That file you create will be the output from the process of trying to grab the packages from all the different URLs it tried to download from, according to both the URLs within the ebuilds as well as the GENTOO_MIRRORS settings in /etc/make.conf.
Another way is to just go through the ebuild files for each listed version of each package there. A bit more time-consuming, but a bit less confusing for some.
Lastly, you *could* take the calibre-pkglist.txt file from above, and then run a 'grep | uniq' for the site closest to you to get a list of what you need to grab from one site.
I know that's a bit generic of an explanation, but if you have more questions, just let us know.
As a note, I tried it myself (e.g. running 'emerge -pf wicd' and then 'emerge -pf calibre') with portage-126.96.36.199 and portage-188.8.131.52 and got the list of URLs that you were seeing earlier for wicd but the packagelist for calibre... Not sure why the difference of behavior off-hand.
(P.S. Did you have any USE changes or package conflicts output from 'emerge -pf calibre'? That might be the difference. If so, it isn't ready to download them to begin with. I had a conflict with cairo vs. qt and 3 USE-flag changes from my list.)
HTH. Let us know.
Last edited by ShadowCat8; 10-29-2012 at 02:55 PM.
Reason: Adjusted for different packages. (Need more coffee...) - Added P.S.