Re: [Python-de] import Problem

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From	Hermann Riemann <nospam.ng@hermann-riemann.de>
Newsgroups	de.comp.lang.python
Subject	Re: [Python-de] import Problem
Date	Fri, 11 Jan 2019 15:42:14 +0100
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Am 11.01.19 um 11:28 schrieb Achim Herwig:

>> mb.py:

> # fehlt:
> from ma import *
> 
>> def b():
>>    global z
>>    # viel code
>>    print("in b")
>>    a()
>>    # viel code

>> Der Aufruf von

>> from ma import *
>> from mb import *

>> a()
>>
>> liefert:
>>    Traceback (most recent call last):
>>   File "mm.py", line 4, in <module>
>>     a()
>>   File "/y/g/py.modul/ma.py", line 8, in a
>>     if z>0: b()
>> NameError: name 'b' is not defined

Wohl nicht.:

 > python3 mm.py
in a
Traceback (most recent call last):
   File "mm.py", line 4, in <module>
     a()
   File "/y/g/py.modul/ma.py", line 8, in a
     if z>0: b()
NameError: name 'b' is not defined

 >for i in *.py;do echo "***************" $i;cat $i;done

*************** ma.py
z=6

def a():
    global z
    # viel code
    print("in a")
    z-=1
    if z>0: b()
    # viel code
*************** mb.py
from ma import *
 

def b(): 

    global z 

    # viel code 

    print("in b") 

    a() 

    # viel code 

*************** mm.py 

from ma import * 

from mb import * 

 

a() 

*************** o.py 

z=6 

 

def a(): 

    global z 

    # viel code 

    print("in a") 

    z-=1 

    if z>0: b() 

    # viel code 

 

def b(): 

    global z 

    # viel code 

    print("in b") 

    a() 

    # viel code 

 

a()


Bei import scheint zu gelten:
a will b vorher haben,
b will a vorher haben,

Hermann
    der einen großes Programm
    gerne zerlegen würde,
    aber dann obigen Problemtyp hat.

-- 
http://www.hermann-riemann.de

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Thread

import Problem Hermann Riemann <nospam.ng@hermann-riemann.de> - 2019-01-11 11:18 +0100
  Re: [Python-de] import Problem Achim Herwig <python@wodca.de> - 2019-01-11 11:28 +0100
    Re: [Python-de] import Problem Hermann Riemann <nospam.ng@hermann-riemann.de> - 2019-01-11 15:42 +0100
  Re: [Python-de] import Problem Peter Otten <__peter__@web.de> - 2019-01-11 15:33 +0100
    Re: [Python-de] import Problem Hermann Riemann <nospam.ng@hermann-riemann.de> - 2019-01-11 17:09 +0100

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