Re: Tkinter problem: TclError> couldn't connect to display ":0
gemjack...@gmail.com wrote: >This fixed my problem with thkinter. sudo cp ~/.Xauthority ~root/ Which means that you were creating a GUI window with Python as root, which is to be avoided if you can. If you can't avoid it and you're running it with sudo in a bash console, rather than a root console, then I'd suggest adding the line... XAUTHORITY=$HOME/.Xauthority ...to the root's .bashrc which avoids putting a specific user's xauthority file in the root directory. -- https://mail.python.org/mailman/listinfo/python-list
Re: Tkinter problem: TclError> couldn't connect to display ":0
On Sunday, 29 December 2013 20:20:00 UTC, Michael Matveev wrote:
> Hi,
> I use live Debian on VM and trying to compile this code.
>
>
> import Tkinter
>
> root = Tkinter.Tk()
>
> root.title("Fenster 1")
> root.geometry("100x100")
>
> root.mainloop()
>
>
> The shell gives out that kind of message:
>
> File "test.py", line 5, in
> root = Tkinter.Tk()
> File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1712, in __init__
> self.tk = _tkinter.create(screenName, baseName, className, interactive,
> wantobjects, useTk, sync, use)
> _tkinter.TclError: couldn't connect to display ":0"
>
>
>
> thanks for helping out.
>
> greets.
> Mike
This fixed my problem with thkinter. sudo cp ~/.Xauthority ~root/
--
https://mail.python.org/mailman/listinfo/python-list
Tkinter problem: TclError couldn't connect to display :0
Hi, I use live Debian on VM and trying to compile this code. import Tkinter root = Tkinter.Tk() root.title(Fenster 1) root.geometry(100x100) root.mainloop() The shell gives out that kind of message: File test.py, line 5, in module root = Tkinter.Tk() File /usr/lib/python2.7/lib-tk/Tkinter.py, line 1712, in __init__ self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use) _tkinter.TclError: couldn't connect to display :0 thanks for helping out. greets. Mike -- https://mail.python.org/mailman/listinfo/python-list
Re: Tkinter problem: TclError couldn't connect to display :0
On Mon, Dec 30, 2013 at 7:20 AM, Michael Matveev misch...@googlemail.com wrote: The shell gives out that kind of message: File test.py, line 5, in module root = Tkinter.Tk() File /usr/lib/python2.7/lib-tk/Tkinter.py, line 1712, in __init__ self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use) _tkinter.TclError: couldn't connect to display :0 Worked for me on an installed Debian, inside Xfce with xfce4-terminal. 1) What version of Python are you running? 2) Are you running inside some kind of graphical environment? 3) Do you have any sort of permissions/environment change happening? I get an error like that if I try sudo python without any sort of guard. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Tkinter problem: TclError couldn't connect to display :0
Michael Matveev wrote: Hi, I use live Debian on VM and trying to compile this code. import Tkinter root = Tkinter.Tk() root.title(Fenster 1) root.geometry(100x100) root.mainloop() The shell gives out that kind of message: File test.py, line 5, in module root = Tkinter.Tk() File /usr/lib/python2.7/lib-tk/Tkinter.py, line 1712, in __init__ self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use) _tkinter.TclError: couldn't connect to display :0 Are you using ssh to connect to the system? If I create a file and run it directly from the machine I am physically sitting at, it works fine and the window is displayed as expected: [steve@ando ~]$ cat test.py import Tkinter root = Tkinter.Tk() root.title(Fenster 1) root.geometry(100x100) root.mainloop() [steve@ando ~]$ python2.7 test.py [steve@ando ~]$ But if I ssh to the machine, I get an error (although a different error from you): steve@orac:~$ ssh ando steve@ando's password: Last login: Thu Dec 12 19:27:04 2013 from 203.7.155.68 [steve@ando ~]$ python2.7 test.py Traceback (most recent call last): File test.py, line 2, in module root = Tkinter.Tk() File /usr/local/lib/python2.7/lib-tk/Tkinter.py, line 1685, in __init__ self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use) _tkinter.TclError: no display name and no $DISPLAY environment variable If I set the $DISPLAY environment variable, it works for me: [steve@ando ~]$ export DISPLAY=:0 [steve@ando ~]$ python2.7 test.py [steve@ando ~]$ logout Connection to ando closed. But ando is the machine I am physically seated at, so it's not surprising that I can see the window on the X display. If I go the other way, and try to run the code on orac (the remote machine), I get the same error as you: steve@orac:~$ export DISPLAY=:0 steve@orac:~$ python2.6 test.py No protocol specified Traceback (most recent call last): File test.py, line 2, in module root = Tkinter.Tk() File /usr/lib/python2.6/lib-tk/Tkinter.py, line 1646, in __init__ self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use) _tkinter.TclError: couldn't connect to display :0 So you need to X-forward from the remote machine to the machine you are physically on, or perhaps it's the other way (X is really weird). I have no idea how to do that, but would love to know. -- Steven -- https://mail.python.org/mailman/listinfo/python-list
Re: Tkinter problem: TclError couldn't connect to display :0
On Mon, Dec 30, 2013 at 10:22 AM, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: So you need to X-forward from the remote machine to the machine you are physically on, or perhaps it's the other way (X is really weird). I have no idea how to do that, but would love to know. With SSH, that's usually just ssh -X target, and it'll mostly work. But there are potential issues with .Xauthority, which is why the sudo example fails. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Tkinter problem: TclError couldn't connect to display :0
On Mon, 30 Dec 2013 10:30:11 +1100, Chris Angelico wrote: On Mon, Dec 30, 2013 at 10:22 AM, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: So you need to X-forward from the remote machine to the machine you are physically on, or perhaps it's the other way (X is really weird). I have no idea how to do that, but would love to know. With SSH, that's usually just ssh -X target, and it'll mostly work. Holy cow, it works! Slwly, but works. steve@runes:~$ ssh -X ando.pearwood.info st...@ando.pearwood.info's password: Last login: Mon Dec 30 10:10:13 2013 from orac [steve@ando ~]$ python2.7 test.py [steve@ando ~]$ -- Steven -- https://mail.python.org/mailman/listinfo/python-list
Re: Tkinter problem: TclError couldn't connect to display :0
On Mon, Dec 30, 2013 at 2:29 PM, Steven D'Aprano st...@pearwood.info wrote: On Mon, 30 Dec 2013 10:30:11 +1100, Chris Angelico wrote: On Mon, Dec 30, 2013 at 10:22 AM, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: So you need to X-forward from the remote machine to the machine you are physically on, or perhaps it's the other way (X is really weird). I have no idea how to do that, but would love to know. With SSH, that's usually just ssh -X target, and it'll mostly work. Holy cow, it works! Slwly, but works. steve@runes:~$ ssh -X ando.pearwood.info st...@ando.pearwood.info's password: Last login: Mon Dec 30 10:10:13 2013 from orac [steve@ando ~]$ python2.7 test.py [steve@ando ~]$ On a LAN, it's not even slow! I've actually run VLC through ssh -X and watched a DVD that was in a different computer's drive. That was fun. You can even get a Windows X server and run Linux GUI programs on a Windows client. *Very* useful if you're working with both types of computer. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: Tkinter problem: TclError couldn't connect to display :0
On Sun, Dec 29, 2013 at 10:29 PM, Steven D'Aprano st...@pearwood.infowrote: On Mon, 30 Dec 2013 10:30:11 +1100, Chris Angelico wrote: On Mon, Dec 30, 2013 at 10:22 AM, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: So you need to X-forward from the remote machine to the machine you are physically on, or perhaps it's the other way (X is really weird). I have no idea how to do that, but would love to know. With SSH, that's usually just ssh -X target, and it'll mostly work. Holy cow, it works! Slwly, but works. I usually use ssh -Y. The -Y argument toggles trusted forwarding. From the ssh man-page: -Y Enables trusted X11 forwarding. Trusted X11 forwardings are not subjected to the X11 SECURITY extension controls. I've found -Y is a bit faster than -X in my experience (I've never really had many problems with X-forwarding on LANs in my experience -- even with OpenGL windows) -- https://mail.python.org/mailman/listinfo/python-list
