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Re: fCONV_AUSRICHTG is not defined - Why?

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From: python@mrabarnett.plus.com (MRAB)
Newsgroups: comp.lang.python
Subject: Re: fCONV_AUSRICHTG is not defined - Why?
Date: Tue, 7 Nov 2023 20:29:43 +0000
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by: MRAB - Tue, 7 Nov 2023 20:29 UTC

On 2023-11-07 19:20, Jim Schwartz via Python-list wrote:
> Where do you define fCONV_AUSRICHTG? It must be initialized or defined somewhere. Did you leave out a statement from the python 2 version?
>
It's given its value here:

(
fNAME,
fLG1,
fLG2,
fTYP,
fCONV_AUSRICHTG,
fENTRY_AUSRICHTG,
fTEXT_AUSRICHTUNG,
fHOLFUNKT,
fPRUEFFUNKT,
fPRUEF_ARG,
) = list(range(10))

>
>> On Nov 7, 2023, at 1:06 PM, Thomas Passin via Python-list <python-list@python.org> wrote:
>>
>> On 11/7/2023 12:47 PM, Egon Frerich via Python-list wrote:
>>> I've no idea why this happens. In a module there are lists and definitions:
>>> Felder = [
>>> # Name lg1 lg2 typ Ausrichtung Holen Prüfen Prüfvorg
>>> ["Jahr", 4, 5, "u", "", "right", "center"],
>>> ["Monat", 2, 5, "u", "", "right", "center"],
>>> ["Tag", 2, 3, "u", "", "right", "center"],
>>> ["Belegnr", 5, 7, "s", "", "right", "center"],
>>> ["Bank", 2, 4, "u", "", "center", "center"],
>>> ["Art", 2, 3, "u", "", "center", "center"],
>>> ["Aufg", 2, 4, "u", "", "center", "center"],
>>> ["Text", 25, 25, "s", "-", "left", "left"],
>>> ["Ergänzung", 12, 12, "s", "-", "left", "left"],
>>> ["Betrag", 13, 13, "s", "", "right", "right"],
>>> ["W", 1, 2, "s", "", "center", "center"],
>>> ["WBetrag", 7, 7, "s", "", "right", "right"],
>>> ["Kurs", 6, 6, "s", "", "right", "right"],
>>> ]
>>> "Reihenfolge in der Dimension 1"
>>> (
>>> fJAHR,
>>> fMONAT,
>>> fTAG,
>>> fBELEGNR,
>>> fBANK,
>>> fART,
>>> fAUFGABE,
>>> fTEXT,
>>> fTEXTERG,
>>> fBETRAG,
>>> fWAEHRUNG,
>>> fBETRAGinWAEHRUNG,
>>> fUMRECHNUNGSKURS,
>>> ) = list(range(13))
>>> "Reihenfolge in der Dimension 2"
>>> (
>>> fNAME,
>>> fLG1,
>>> fLG2,
>>> fTYP,
>>> fCONV_AUSRICHTG,
>>> fENTRY_AUSRICHTG,
>>> fTEXT_AUSRICHTUNG,
>>> fHOLFUNKT,
>>> fPRUEFFUNKT,
>>> fPRUEF_ARG,
>>> ) = list(range(10))
>>> Two lines with test statements follow and the statement which produces an error:
>>> print(Felder)
>>> print(fJAHR, fNAME, fTYP, fCONV_AUSRICHTG)
>>> akette = "%" + "%".join(
>>> ["%s%s%s " % (i[fCONV_AUSRICHTG], i[fLG2], i[fTYP]) for i in Felder])
>>> The traceback shows:
>>> $ python3 testGeldspurGUI.py
>>> [['Jahr', 4, 5, 'u', '', 'right', 'center'], ['Monat', 2, 5, 'u', '', 'right', 'center'], ['Tag', 2, 3, 'u', '', 'right', 'center'], ['Belegnr', 5, 7, 's', '', 'right', 'center'], ['Bank', 2, 4, 'u', '', 'center', 'center'], ['Art', 2, 3, 'u', '', 'center', 'center'], ['Aufg', 2, 4, 'u', '', 'center', 'center'], ['Text', 25, 25, 's', '-', 'left', 'left'], ['Ergänzung', 12, 12, 's', '-', 'left', 'left'], ['Betrag', 13, 13, 's', '', 'right', 'right'], ['W', 1, 2, 's', '', 'center', 'center'], ['WBetrag', 7, 7, 's', '', 'right', 'right'], ['Kurs', 6, 6, 's', '', 'right', 'right']]
>>> 0 0 3 4
>>> Traceback (most recent call last):
>>> File "/home/egon/Entw/Geldspur/geldspur/testGeldspurGUI.py", line 15, in <module>
>>> from tests.testU2 import testU2
>>> File "/home/egon/Entw/Geldspur/geldspur/tests/testU2.py", line 9, in <module>
>>> from gui.GUI_Konfig import GUIcfg
>>> File "/home/egon/Entw/Geldspur/geldspur/gui/GUI_Konfig.py", line 11, in <module>
>>> class GUIcfg:
>>> File "/home/egon/Entw/Geldspur/geldspur/gui/GUI_Konfig.py", line 90, in GUIcfg
>>> ["%s%s%s " % (i[fCONV_AUSRICHTG], i[fLG2], i[fTYP]) for i in Felder])
>>> File "/home/egon/Entw/Geldspur/geldspur/gui/GUI_Konfig.py", line 90, in <listcomp>
>>> ["%s%s%s " % (i[fCONV_AUSRICHTG], i[fLG2], i[fTYP]) for i in Felder])
>>> NameError: name 'fCONV_AUSRICHTG' is not defined
>>> You see "Felder" and with "0 0 3 4" the correct value 4 for fCONV_AUSRICHTG. But there is the NameError.
>>> What does <listcomp> mean? Is there a change from python2 to python3?
>>
>> You are using a syntax that I don't understand, but "listcomp" means a list comprehenson.
>>

Subject	Author
Re: fCONV_AUSRICHTG is not defined - Why?	MRAB