fCONV_AUSRICHTG is not defined - Why?
Thomas Passin
list1 at tompassin.net
Tue Nov 7 15:56:58 EST 2023
On 11/7/2023 3:29 PM, MRAB via Python-list wrote:
> 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))
This construction is a sneaky way to assign index numbers to list
entries. A simplified example:
>>> S1 = 'string 1'
>>> S2 = 'string 2'
>>> (fS1, fS2) = list(range(2))
>>> fS1
0
>>>
>>> fS2
1
>>
>>> On Nov 7, 2023, at 1:06 PM, Thomas Passin via Python-list
>>> <python-list at 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.
>>>
>
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