Aufrufen von übergeordneten Variablen in Liste

Question

Wie kann ich sicherstellen, dass die Variablen brk1_int_c,brk1_ext_c,brk2_int_c,brk2_ext_c innerhalb der parseTwoPoleBreakres in inputList anstelle der brk1_int_c,brk1_ext_c,brk2_int_c,brk2_ext_c außerhalb der Funktion aufgerufen werden?

Ich habe Schwierigkeiten mit meiner parseTwoPoleBreakers Funktion. Ich versuche, eine Liste inputListin in die Funktion einzugeben, so dass ich weiß, wo brk1_int_c, brk1_ext_c, brk2_int_c, brk2_ext_c innerhalb dieser Liste zu platzieren. Ich gebe die Liste in Ordnung ein, aber die brk1_int_c,brk1_ext_c,brk2_int_c,brk2_ext_c der Variablen werden nicht in inputList innerhalb meiner parseTwoPoleBreakers Funktion aufgerufen.

Die Variable I nennen wollen, sind:

brk1_int_c=str(df1['Unnamed: 1'][aRowNum])#starts at row 7,13,19,25,31,37,43,49. addition of 6 
brk1_ext_c=str(df1['Unnamed: 2'][aRowNum]) 
brk2_int_c=str(df1['Unnamed: 1'][bRowNum]) 
brk2_ext_c=str(df1['Unnamed: 2'][bRowNum])` 

, die in der 'parseTwoPoleBreakers' Funktion liegen, sondern

brk1_int_c = '' brk1_ext_c = '' brk2_int_c = '' brk2_ext_c = ''

genannt werden, und als Ergebnis habe ich den Ausgang für unter

print two_pbwmco_a_bString print "breaker id" + str(breakerid)

Ausgangsergebnis:

NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id1 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id2 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id3 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id4 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id5 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id6 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id7 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id8 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id9 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id10 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id11 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id12 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id13 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id14 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id15 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id16 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id17 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id18 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id19 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id20 
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,,,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,1 

breaker id21 

Mein Code ist unten:

import pandas as pd 
with pd.ExcelFile("C:/Users/original.xlsx", 
        sheetname=['pnl1 Data ','pnl2 Data','pnl3 Data','pnl4 Data']) as xlsx: 
    df1 = pd.read_excel(xlsx, 'pnl1 Data ', skiprows=9, parse_cols="B:H", keep_default_na='FALSE', na_values=['NULL']) 
    df2 = pd.read_excel(xlsx, 'pnl2 Data', skiprows=9, parse_cols="B:H", keep_default_na='FALSE', na_values=['NULL']) 
    df3 = pd.read_excel(xlsx, 'pnl3 Data', skiprows=9, parse_cols="B:H", keep_default_na='FALSE', na_values=['NULL']) 
    df4 = pd.read_excel(xlsx, 'pnl4 Data', skiprows=9, parse_cols="B:H", keep_default_na='FALSE', na_values=['NULL']) 

# 2. convert data into a single row, in the correct order, and into csv format 
df1numOfRows = len(df1.index) 

# 2a. you need to look at the breaker table to see what the highest breaker id is and then use the number one higher than that 
#fi_breakerTable = open(document,"r") 

# 2b. store variables in a list that will be written to csv 
breakerid=0 
deviceid=0 
NULL="NULL" 

# 2bc. FDC Feed Braeker "List" 
g_int_c=str(df1['Unnamed: 1'][6]) 
g_ext_c=str(df1['Unnamed: 2'][6]) 
breakertype="NULL"#should I keep this null or does it equal "FDC Feed Breaker"? 
n_int_c=str(df1['Unnamed: 1'][5]) 
n_ext_c=str(df1['Unnamed: 2'][5]) 
a_int_c=str(df1['Unnamed: 1'][2]) 
a_ext_c=str(df1['Unnamed: 2'][2]) 
b_int_c=str(df1['Unnamed: 1'][3]) 
b_ext_c=str(df1['Unnamed: 2'][3]) 
c_int_c=str(df1['Unnamed: 1'][4]) 
c_ext_c=str(df1['Unnamed: 2'][4]) 
a_b=str(df1['Unnamed: 2'][0]) 
b_c=str(df1['Unnamed: 6'][0]) 
c_a=str(df1['Pnl 1 Data'][0]) 
fdcFeedBreakerList = [g_int_c,g_ext_c,NULL,NULL,n_int_c,n_ext_c,NULL,NULL,a_int_c,a_ext_c,NULL,NULL,b_int_c,b_ext_c,NULL,NULL,c_int_c,c_ext_c,NULL,NULL,a_b,c_a,b_c,NULL,breakertype,deviceid,breakerid] #3 pole breake riwht monitoring, an nuetral and a group (current & voltage) 
breakerid+=1 
fdcFeedBreakerString=",".join(map(str,fdcFeedBreakerList)) 
fdcFeedBreakerString=fdcFeedBreakerString+"\n" 
print "fdcFeedBreakerString" + str(fdcFeedBreakerString) 


# 2bc. FDC Feed Braeker "List" 
brk1_int_c = '' 
brk1_ext_c = '' 
brk2_int_c = '' 
brk2_ext_c = '' 
def parseTwoPoleBreakers(breakerStartVal1,breakerStartVal2,inputList,i): 
    #global brk1_int_c,brk1_ext_c,brk2_int_c,brk2_ext_c 
    additionValue=(i*6) 
    #2 Pole breaker with monitring (current only) (a-b) 
    aStartVal=breakerStartVal1 
    bStartVal=breakerStartVal2 
    if i>=1: 
     aRowNum=aStartVal 
     bRowNum=bStartVal 
    else: 
     aRowNum=aStartVal+additionValue 
     bRowNum=bStartVal+additionValue 
    brk1_int_c=str(df1['Unnamed: 1'][aRowNum])#starts at row 7,13,19,25,31,37,43,49. addition of 6 
    brk1_ext_c=str(df1['Unnamed: 2'][aRowNum]) 
    brk2_int_c=str(df1['Unnamed: 1'][bRowNum]) 
    brk2_ext_c=str(df1['Unnamed: 2'][bRowNum]) 
    two_pbwmco_a_b=inputList 
    two_pbwmco_a_bString=",".join(map(str,two_pbwmco_a_b)) 
    two_pbwmco_a_bString=two_pbwmco_a_bString+"\n" 
    print two_pbwmco_a_bString 
    print "breaker id" + str(breakerid) 

two_pbwmco_a_bList2=[NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,brk1_int_c,brk1_ext_c,NULL,NULL,brk2_int_c,brk2_ext_c,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,breakertype,deviceid,breakerid]   
two_pbwmco_b_cList2=[NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,brk1_int_c,brk1_ext_c,NULL,NULL,brk2_int_c,brk2_ext_c,NULL,NULL,NULL,NULL,NULL,NULL,breakertype,deviceid,breakerid] 
two_pbwmco_c_aList2=[NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,brk2_int_c,brk2_ext_c,NULL,NULL,NULL,NULL,NULL,NULL,brk1_int_c,brk1_ext_c,NULL,NULL,NULL,NULL,NULL,NULL,breakertype,deviceid,breakerid] 
i=0 
while (i<7): 
    parseTwoPoleBreakers(7,8,two_pbwmco_a_bList2,i) 
    breakerid+=1 
    parseTwoPoleBreakers(9,10,two_pbwmco_b_cList2,i) 
    breakerid+=1 
    parseTwoPoleBreakers(11,12,two_pbwmco_c_aList2,i) 
    breakerid+=1 
    i+=1 

Answer 1

Sie können die globalen Variablen zugreifen, die global Schlüsselwort in der Funktion. Das heißt, setzen

global brk1_int_c, brk1_ext_c, brk2_int_c, brk2_ext_c 

an der Spitze Ihrer Funktion.

Bedenken Sie jedoch, dass das als schlechter Stil gilt, z.B. siehe this question. Sie könnten erwägen, diese Variablen in ein Objekt einzufügen, auf das Ihre Funktion einwirken kann.

Answer 2

Sie müssen nur Kommentar- (entfernen Sie die ‚#‘) von der ersten Zeile der Funktion parseTwoPoleBreakers:

global brk1_int_c,brk1_ext_c,brk2_int_c,brk2_ext_c