[issue19150] IDLE shell fails: "ModifiedInterpreter instance has no attribute 'interp'"

[Terry J. Reedy]

Terry J. Reedy added the comment:

I managed to crash 2.7 -n by running the multi-thread tkinter program posted 
for #10909.  Since it modifies widgets created in the main thread from a 
thread, I don't consider the failure a fixable IDLE bug.

3.6 -n ran the same program, so this is only for 2.7.

--
stage: test needed -> resolved
status: open -> closed

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[issue19150] IDLE shell fails: ModifiedInterpreter instance has no attribute 'interp'

[Martin]

Martin added the comment:

Thank you very much for your help.

Specification of error :

In python 2.7.3 for Ubuntu 12.04 32-bit

It creates a program with the following line of code :


Python is a programming language That lets you work more quickly and integrate 
your systems more effectively.
You can learn to use Python and see almost immediate gains in productivity and 
lower maintenance costs.


import math

elCociente def (x, y):
ratio = x / y
return ratio

theRemainder def (x, y):
remainder = x% y
return other

laRaiz def ( x ) :
root = math.sqrt ( x )
return root

LaSegRaiz def (y):
segraiz = math.sqrt ( y)
return segraiz




def main ( ) :

x = input ( Enter a number:  )
y = input ( Enter a second number :)


print  the quotient of dividing  , x , with , and ,  is , elCociente 
( x , y)
print  the remainder of dividing  , x ,  for  and ,  is , 
theRemainder ( x , y)
print  the root of  , x ,  is , laRaiz ( x )
print  the root , and ,  is , LaSegRaiz ( y)

Where the lines 1 and 2 are not discussed , when compiling the program ( f5 ) 
warns us to a syntax error , open the sheel , we force the compilation typing 
the main and opens another blank shell . not saying that is the error line .

If commented lines 1 and 2 and compile again ( f5 ) jump several errors in the 
shell which can not close and forces us to have to kill python process .

I hope I have been much clearer .

thanks


Corrected with cometary Program

# Python is a programming language That lets you work more quickly and 
integrate your systems more effectively.
# You can learn to use Python and see almost immediate gains in productivity 
and lower maintenance costs.


import math

elCociente def (x, y):
ratio = x / y
return ratio

theRemainder def (x, y):
remainder = x% y
return other

laRaiz def ( x ) :
root = math.sqrt ( x )
return root

LaSegRaiz def (y):
segraiz = math.sqrt ( y)
return segraiz




def main ( ) :

x = input ( Enter a number:  )
y = input ( Enter a second number :)


print  the quotient of dividing  , x , with , and ,  is , elCociente 
( x , y)
print  the remainder of dividing  , x ,  for  and ,  is , 
theRemainder ( x , y)
print  the root of  , x ,  is , laRaiz ( x )
print  the root , and ,  is , LaSegRaiz ( y)

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[issue19150] IDLE shell fails: ModifiedInterpreter instance has no attribute 'interp'

[Terry J. Reedy]

Terry J. Reedy added the comment:

By default, Idle runs user code in a separate process from the idle process 
that runs shell and edit windows. Because connecting the two processes 
sometimes fails, there is a start-up option -N (No subprocess) that run your 
code in the same process as idle code. Since this option also has potential 
problems, it should not be used unless necessary. In fact, some of us would 
like to eliminate the option (after fixing connection problems).

I tried and failed to reproduce the problem with 2.7.5 on Windows. I started 
with -N, opened an editor window, ran (F5) with a comment uncommented, got a 
syntax error box, added '#', ran again, and the valid code ran fine.

To continue this issue, update from 2.7.3 to 2.7.5 and see if you still have 
the problem. The update has 100s of bug fixes including many Idle fixes. If you 
do still see a problem with 2.7.5, please find a minimal file that has creates 
a problem when '#' is missing. Also, if you do, please test with 3.3.2 or the 
most recent 3.4.0.

--
nosy: +terry.reedy
stage:  - test needed
type: compile error - behavior

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[issue19150] IDLE shell fails: ModifiedInterpreter instance has no attribute 'interp'

[Ned Deily]

Ned Deily added the comment:

That still doesn't explain the problem.  How are you trying to compile the 
program?  For example, one way would be to use your mouse to select the Run 
menu item and then the Run Module option. Or use the F5 function key shortcut 
for that.  Another somewhat unusual thing is No Subprocess status in the 
shell window. How are you starting IDLE?  From a shell?  If so, with what 
arguments?  Also, can you show the contents of any files in your ~/.idlerc 
directory?

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[issue19150] IDLE shell fails: ModifiedInterpreter instance has no attribute 'interp'

[Ned Deily]

Ned Deily added the comment:

Can you give a step-by-step sequence of commands to reproduce the problem?  One 
thing that looks somewhat suspicious is that there seem to be multiple IDLE 
*Python Shell windows open.  Normally there should only be one.

--
nosy: +ned.deily
title: python bug report - IDLE shell fails: ModifiedInterpreter instance has 
no attribute 'interp'

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[issue19150] IDLE shell fails: ModifiedInterpreter instance has no attribute 'interp'

[Martin]

Martin added the comment:

I have three shell windows open because everytime i run the code corrected, it 
opens a new shell, I try to close them but there is one that keeps open, unless 
I kill it by terminal (kill) I attach a photo of compiling the line of code, 
closing leftover shell ... What I do is compile with three lines that should be 
comments, it makes syntax error for not to have commented lines, I comment them 
(#) and when I want to recompile, errors appears in the main shell.

--
resolution:  - invalid
Added file: http://bugs.python.org/file31950/Captura de pantalla de 2013-10-03 
02:27:12.png

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