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cwc
Veteran
Joined: 20 Mar 2006
Posts: 1281
Location: Tri-Cities, WA USA
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 Posted: Mon May 19, 2008 4:27 am Post subject: ImportError: No module named turtle [SOLVED] |
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I'm trying to mess around with turtle graphics with Python just to find out how it works
and decide if a I want to implement it into a Linux/Java course I teach.
Heres the error:
>>> import turtle
Traceback (most recent call last):
File "<stdin>", line 1, in ?
ImportError: No module named turtle
Any ideas?
I'm trying to run this simple code:
| Code: |
import turtle
def polygon(n):
for side in range(n):
turtle.forward(100)
turtle.left(360.0/n)
# (comment) and then try things like these...
polygon(3)
polygon(4)
polygon(8)
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Without diversity there can be no evolution:)
Last edited by cwc on Tue May 20, 2008 4:59 am; edited 1 time in total |
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Elbar Thera
n00b
Joined: 15 May 2008
Posts: 60
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| Posted: Mon May 19, 2008 5:29 am Post subject: |
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Hi there,
i have just tested a turtle import on my system, using python 2.4.4, and it works without problem. A quick look into the docs shows, that the turtle module depends on Tk. Do you have Tk installed? That's the only guess i can come up with 
Greets,
Elbar |
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alistair
Retired Dev
Joined: 15 Jul 2005
Posts: 869
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| Posted: Mon May 19, 2008 8:47 am Post subject: |
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Lets start with these questions.
1) What version of python do you have.
2) Where is turtle installed
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cwc
Veteran
Joined: 20 Mar 2006
Posts: 1281
Location: Tri-Cities, WA USA
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| Posted: Mon May 19, 2008 11:33 am Post subject: |
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| alistair wrote: | Lets start with these questions.
1) What version of python do you have.
2) Where is turtle installed |
First of all Thank you!
# 1 > python
Python 2.4.4 (#1, Apr 10 2008, 19:17:57)
[GCC 4.1.1 (Gentoo 4.1.1-r3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
# 2 > I thought turtle was an default package of Python. I did "emerge tcl tk"
tma ~ # python -V
Python 2.4.4
$ locate turtle
/var/cache/edb/dep/usr/portage/kde-base/kturtle-4.0.3
/var/cache/edb/dep/usr/portage/kde-base/kturtle-4.0.2
/var/cache/edb/dep/usr/portage/kde-base/kturtle-3.5.9
/var/cache/edb/dep/usr/portage/kde-base/kturtle-3.5.8
/home/cwc/ppython/backup/turtle.py~ # ????
/home/cwc/ppython/backup/turtle.pyc #???????????????
/home/cwc/ppython/turtle_2.py #my code
/home/cwc/ppython/turtle_1.py #my code
/home/cwc/Desktop/xturtle.zip #another form of turtle I have not tried
/usr/lib/openoffice/program/python-core-2.3.4/lib/lib-tk/turtle.py
/usr/portage/metadata/cache/kde-base/kturtle-4.0.3
/usr/portage/metadata/cache/kde-base/kturtle-4.0.2
/usr/portage/metadata/cache/kde-base/kturtle-3.5.9
/usr/portage/metadata/cache/kde-base/kturtle-3.5.8
/usr/portage/kde-base/kturtle
/usr/portage/kde-base/kturtle/metadata.xml
/usr/portage/kde-base/kturtle/kturtle-3.5.9.ebuild
/usr/portage/kde-base/kturtle/kturtle-4.0.3.ebuild
/usr/portage/kde-base/kturtle/kturtle-4.0.2.ebuild
/usr/portage/kde-base/kturtle/kturtle-3.5.8.ebuild
/usr/portage/kde-base/kturtle/Manifest
/usr/portage/kde-base/kturtle/ChangeLog
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cwc
Veteran
Joined: 20 Mar 2006
Posts: 1281
Location: Tri-Cities, WA USA
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| Posted: Mon May 19, 2008 11:35 am Post subject: |
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| Elbar Thera wrote: | Hi there,
I have just tested a turtle import on my system, using python 2.4.4, and it works without problem. A quick look into the docs shows, that the turtle module depends on Tk. Do you have Tk installed? That's the only guess i can come up with
Greets,
Elbar |
Thanks for the line!
My I see your code please?
This is what I tried
| Code: |
import turtle
def polygon(n):
for side in range(n):
turtle.forward(100)
turtle.left(360.0/n)
# (comment) and then try things like these...
polygon(3)
polygon(4)
polygon(8)
|
These are my equery's
I'm not sure what to do with the backtraces?
| Code: |
equery uses python
[ Searching for packages matching python... ]
[ Colour Code : set unset ]
[ Legend : Left column (U) - USE flags from make.conf ]
[ : Right column (I) - USE flags packages was installed with ]
[ Found these USE variables for dev-lang/python-2.4.4-r9 ]
U I
+ + berkdb : Adds support for sys-libs/db (Berkeley DB for MySQL)
- - bootstrap : !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used during original system bootstrapping [make stage2]
- - build : !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used for creating build images and the first half of bootstrapping [make stage1]
- - doc : Adds extra documentation (API, Javadoc, etc)
- - elibc_uclibc : <unknown>
- - examples : Install examples, usually source code
+ + gdbm : Adds support for sys-libs/gdbm (GNU database libraries)
+ + ipv6 : Adds support for IP version 6
+ + ncurses : Adds ncurses support (console display library)
- - nocxx : Disable support for C++ (DON'T USE THIS UNLESS YOU KNOW WHAT YOU'RE DOING)
- - nothreads : Disable threads (DON'T USE THIS UNLESS YOU KNOW WHAT YOU'RE DOING)
+ + readline : Enables support for libreadline, a GNU line-editing library that almost everyone wants
+ + ssl : Adds support for Secure Socket Layer connections
- - tk : Adds support for Tk GUI toolkit
- - ucs2 : Enable byte size 2 unicode (DON'T USE THIS UNLESS YOU KNOW WHAT YOU'RE DOING)
tma ~ # equery uses tk
[ Searching for packages matching tk... ]
[ Colour Code : set unset ]
[ Legend : Left column (U) - USE flags from make.conf ]
[ : Right column (I) - USE flags packages was installed with ]
[ Found these USE variables for dev-lang/tk-8.4.18 ]
U I
- - debug : Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml
- - threads : Adds threads support for various packages. Usually pthreads
tma ~ # equery uses tcl
[ Searching for packages matching tcl... ]
[ Colour Code : set unset ]
[ Legend : Left column (U) - USE flags from make.conf ]
[ : Right column (I) - USE flags packages was installed with ]
[ Found these USE variables for dev-lang/tcl-8.4.18 ]
U I
- - debug : Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml
- - threads : Adds threads support for various packages. Usually pthreads
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Without diversity there can be no evolution:) |
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Elbar Thera
n00b
Joined: 15 May 2008
Posts: 60
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| Posted: Mon May 19, 2008 12:17 pm Post subject: |
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The code i'm using is even simpler than yours (although i'm using ipython):
| Code: | import turtle
turtle.demo() |
I think the equery shows the problem. Your python was not compiled with tk support, at least that's what i'm reading out of it. Here is the output on my computer:
| Code: | equery uses python
[ Searching for packages matching python... ]
[ Colour Code : set unset ]
[ Legend : Left column (U) - USE flags from make.conf ]
[ : Right column (I) - USE flags packages was installed with ]
[ Found these USE variables for dev-lang/python-2.4.4-r9 ]
U I
+ + berkdb : Adds support for sys-libs/db (Berkeley DB for MySQL)
- - bootstrap : !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used during original system bootstrapping [make stage2]
- - build : !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used for creating build images and the first half of bootstrapping [make stage1]
+ + doc : Adds extra documentation (API, Javadoc, etc)
- - elibc_uclibc : <unknown>
+ + examples : Install examples, usually source code
+ + gdbm : Adds support for sys-libs/gdbm (GNU database libraries)
+ + ipv6 : Adds support for IP version 6
+ + ncurses : Adds ncurses support (console display library)
- - nocxx : Disable support for C++ (DON'T USE THIS UNLESS YOU KNOW WHAT YOU'RE DOING)
- - nothreads : Disable threads (DON'T USE THIS UNLESS YOU KNOW WHAT YOU'RE DOING)
+ + readline : Enables support for libreadline, a GNU line-editing library that almost everyone wants
+ + ssl : Adds support for Secure Socket Layer connections
+ + tk : Adds support for Tk GUI toolkit
- - ucs2 : Enable byte size 2 unicode (DON'T USE THIS UNLESS YOU KNOW WHAT YOU'RE DOING)
|
As you can see, the only difference are the two tiny little plus-signs in front of the Tk GUI toolkit support =)
Greets,
Elbar |
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cwc
Veteran
Joined: 20 Mar 2006
Posts: 1281
Location: Tri-Cities, WA USA
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| Posted: Mon May 19, 2008 7:14 pm Post subject: |
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Thanks Elbar,
Thanks! I tried to set tk in with
dev-lang/python tcltk in add a line to /etc/portage/package.uses:
this did not work!
I found this on another thread.
This did work:
* USE="tk" in /etc/make.conf
# Recompile python
emerge --newuse python
I'm ready for the turtle. I'd like to do some recursive designs to model recursion!
Thanks,
cwc
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Without diversity there can be no evolution:) |
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qsmodo
Tux's lil' helper
Joined: 20 Jun 2021
Posts: 82
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| Posted: Tue Sep 21, 2021 3:06 pm Post subject: |
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| https://wiki.gentoo.org/wiki/Tkinter suggests that you can either put dev-lang/python tk in package.use or emerge dev-lang/tk. The latter doesn't work. |
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freke
l33t
Joined: 23 Jan 2003
Posts: 977
Location: Somewhere in Denmark
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| Posted: Tue Sep 21, 2021 8:16 pm Post subject: |
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| You're aware this was a - only 13 years old - topic? |
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qsmodo
Tux's lil' helper
Joined: 20 Jun 2021
Posts: 82
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| Posted: Tue Dec 07, 2021 10:52 pm Post subject: |
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| Sure, however it's still a search engine hit, so I thought it might be useful to point out an up-to-date solution. |
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Hu
Moderator
Joined: 06 Mar 2007
Posts: 21633
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| Posted: Wed Dec 08, 2021 2:05 am Post subject: |
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| qsmodo wrote: | | https://wiki.gentoo.org/wiki/Tkinter suggests that you can either put dev-lang/python tk in package.use or emerge dev-lang/tk. The latter doesn't work. |
If the Wiki page is wrong, please correct it there. Some people may read the Wiki and not see this thread, so posting the correction here is less effective than correcting it at the source.
It looks like the last post in 2008 had the correct solution, and makes no mention of the incorrect one from the Wiki. |
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